Telescopic knob switch and integrated cooker

Abstract

The utility model discloses a telescopic knob switch and an integrated cooker, and relates to a control switch. The existing integrated cooker control mode has the problems of complex structure, high manufacturing cost, inconvenience in user operation and the like. The rotary knob comprises a rotary knob, a fastener, a rotary knob seat and a base, the knob is connected to the knob seat through a fastener, the knob can drive the knob seat to rotate and move back and forth, the knob seat is arranged on the base, and an elastic part is arranged on the base, so that the base has the trend of moving forwards after being pressed downwards. According to the technical scheme, a user can easily operate the equipment by rotating or pressing the knob, the traditional complex design of multiple buttons is avoided, the control process is more intuitive and flexible, and good use experience is provided for users who are not familiar with touch screen or button operation, such as old people.

Description

Technical Field

[0001] The utility model relates to a control switch, in particular to a telescopic knob switch. Background Art

[0002] With the development of the times, as an important device in modern kitchens, integrated stoves are increasingly used for functions such as controlling the fan speed and regulating the firepower. The control methods of integrated stoves on the current market are gradually shifting from traditional mechanical buttons to touch screen control. Although touch screens have the advantages of beauty and intelligence, for some users who are not familiar with the operation of smart devices, especially illiterate elderly people, the use of touch screens may pose certain difficulties. Such users often feel inconvenient during use due to non-intuitive icons or misoperations, reducing the user experience.

[0003] In addition, to meet the needs of multi-stage fan regulation, some integrated stoves still retain the traditional button control method. However, as the number of fan gears increases, the number of required buttons also increases accordingly, resulting in the complication of the control panel structure. This not only increases the production and assembly costs, but also causes trouble to users during actual operation. The selection of multi-stage buttons is not convenient enough, and there is a risk of misoperation. Therefore, the existing control methods of integrated stoves have problems such as complex structure, high manufacturing cost, and inconvenient user operation, and urgent optimization and improvement are needed.

[0004] To solve the above problems, providing a control device that is more convenient and intuitive to operate, and at the same time can simplify the structure and reduce the manufacturing cost has become the requirement of technological development. Summary of the Utility Model

[0005] The technical problem to be solved and the technical task proposed by the utility model are to improve and perfect the existing technical solution, and provide a telescopic knob switch, so as to provide a telescopic knob switch with a simple structure, convenient and intuitive operation, and be used to solve the problems of complex operation and inconvenient use for users, especially the elderly, in the existing control methods of integrated stoves. For this purpose, the utility model adopts the following technical solutions.

[0006] A telescopic knob switch includes a knob, a buckle member, a knob seat and a base; the knob is connected to the knob seat through the buckle member, the knob can drive the rotation and forward and backward movement of the knob seat, the knob seat is arranged on the base, and an elastic member is arranged on the base, so that after being pressed down, the base has a tendency to move forward.

[0007] In this technical solution, the knob is connected to the knob seat through the buckle member, and the user can easily operate the device by rotating or pressing the knob, avoiding the complex design of traditional multi-buttons. This makes the control process more intuitive and flexible, and provides a good user experience especially for users who are not familiar with touch screen or button operations, such as the elderly.

[0008] Multi-gear control or stepless speed regulation can be achieved through the knob, which reduces the need for multiple buttons to control different gears, simplifies the entire structure and reduces manufacturing costs.

[0009] The elastic part on the base enables the knob to automatically return to its initial position after being pressed, and has a rebound function, which not only improves the feel of the operation, but also ensures the stability and reliability of the knob switch after operation. In addition, by pressing the knob, the functions can be flexibly configured according to the different needs of the device. By pressing the knob, functions can be added, such as power on and off, mode switching, confirmation function, pause / resume, etc., making full use of the pressing characteristics of the knob, reducing the need for separate buttons, improving the operational flexibility of the device, simplifying the operating structure, and making the device more practical and convenient.

[0010] As a preferred technical means: a plurality of hooks are provided at one end of the knob, and a plurality of slots matching the hooks are provided on the fastener. When the hooks move and slide into the slots, the knob is connected and fixed to the fastener.

[0011] One end of the knob is provided with multiple hooks, which precisely match the slots on the snap-on parts to ensure that the knob can be firmly fixed on the knob seat after installation. The design of the hook sliding into the slot provides a strong mechanical connection, avoiding the problem of the knob loosening or falling off, and improving the durability and reliability of the overall device. Through the cooperation of the hook and the slot, the operator can easily install and remove the knob without complicated tools or operations. When maintaining or replacing the knob, the operation is simple and quick, which reduces the user's time and energy investment and improves the convenience of maintenance. The snap-on structure is simple, easy to mass produce, and does not require additional complex parts, reducing the manufacturing difficulty and cost.

[0012] As a preferred technical means: the buckle is a hollow structure, and a plurality of elastic pressure pieces are arranged on the periphery, the elastic pressure pieces are pressed against the knob seat, and the buckle is covered with a sealing ring.

[0013] Multiple elastic pressure pieces are evenly distributed around the buckle to ensure that the connection between the knob and the knob seat is more stable and firm. The elastic pressure pieces can provide uniform pressure when pressing to prevent the knob from loosening or shaking, thereby improving working reliability.

[0014] A sealing ring is provided at the front end of the fastener. When the knob is connected to the fastener, the sealing ring can effectively prevent dust, oil or moisture from entering the device, thereby improving the protection performance of the equipment, especially in environments susceptible to pollution such as kitchens, and can extend the service life of the equipment.

[0015] As a preferred technical means: The buckle member is cylindrical, and its inner cavity is provided with a partition layer. The partition layer divides the buckle member into a front end portion that matches the knob and a rear end portion that matches the knob seat; the front end portion is provided with the card slot, the card slot is close to the partition layer, the hook of the knob is inserted into the inner cavity of the front end of the buckle member, and the outer end portion of the hook extends out of the card slot; the rear end portion is provided with a first opening groove that opens backward and penetrates the cylinder wall, and the elastic pressing member is arranged in the first opening groove.

[0016] The design of the cylindrical structure is simple and compact. When the user rotates or presses the knob, the action can be smoothly transmitted to the knob seat, ensuring the operation sensitivity and response speed, and improving the control accuracy.

[0017] The partition layer design inside the buckle member further enhances the structural stability and strength, effectively avoiding the phenomenon of the hook disengaging. While maintaining the overall rigidity, the partition layer improves the clamping force of the elastic pressing member on the knob seat, ensuring the reliability of the operation. At the same time, the partition layer also plays a role in limiting the position. When the hook is inserted into the rear end of the buckle member, accurate positioning can be achieved through the partition layer, simplifying the assembly process and improving the assembly efficiency.

[0018] As a preferred technical means: The elastic pressing member includes a connecting portion extending backward and a pressing portion located at the rear end of the connecting portion and protruding inward. The rear end of the pressing portion is provided with a guiding surface.

[0019] The design of the pressing portion protruding inward enables the pressing member to form a tight pressing effect with the knob seat, ensuring that the knob remains firmly connected during operation and preventing the knob from loosening or slipping. Since the rear end of the pressing portion is provided with a guiding surface, the pressing portion can smoothly guide it into the predetermined position during installation, making the installation process faster and more accurate, and improving the production and assembly efficiency.

[0020] As a preferred technical means: The rear end portion of the buckle member is provided with a second opening groove that opens backward and penetrates the cylinder wall. The width and depth of the second opening groove are both smaller than those of the first opening groove, and the first opening groove and the second opening groove are arranged alternately.

[0021] By setting the second opening groove, and its width and depth are smaller than those of the first opening groove, the buckle member maintains a certain structural integrity, avoiding the problem of weakened strength caused by large-area grooving. The first and second opening grooves are arranged alternately, enabling the buckle member to have high stress resistance and deformation resistance while maintaining functionality, enhancing the stability of the overall structure. The opening of the second opening groove reduces the material usage of the buckle member, and at the same time does not significantly weaken its structural strength, thereby reducing the overall weight.

[0022] As a preferred technical means: The knob base includes a fixed part and a rotating part that can rotate relative to the fixed part. The fixed part of the knob base is fixedly connected to the base; the rotating part is cylindrical, the rotating part is inserted into the buckle, and the elastic pressing part presses against the outer circumference of the rotating part.

[0023] The rotating part of the knob base can rotate freely relative to the fixed part, enabling the user to achieve smooth and flexible rotation when operating the knob. By inserting the rotating part into the buckle and pressing against the elastic pressing part, the stability of the knob is ensured, and the knob will not loosen or shake during operation, improving the reliability and durability of the operation. The elastic pressing part can provide continuous support to ensure that the knob remains stable during frequent operation.

[0024] As a preferred technical means: Connecting holes are provided around the base, screws are inserted through the connecting holes, and a spring serving as an elastic member is sleeved outside the screws passing through the base.

[0025] By providing connecting holes around the base and using screws for fixation, the base can be effectively and firmly connected to the device or other components. The mechanical fixation method of the screws ensures the stability of the connection, prevents loosening or displacement during operation, and enhances the overall structural strength.

[0026] The spring sleeved outside the screw serves as an elastic member, providing appropriate elastic feedback when pressing the knob, enabling the knob to quickly rebound after being pressed and making the pressing more smooth. As an elastic member, the spring can automatically reset the knob through its elastic force after the knob is pressed, ensuring that the knob returns to its initial position after each operation and avoiding the phenomenon that the knob remains in the pressed state after operation, improving the working reliability.

[0027] As a preferred technical means: A convex block is provided in the middle of the base; the convex block is arranged opposite to the PCB board.

[0028] When the convex block moves backward and approaches the PCB board, it triggers the signal output of the PCB board; in addition, the convex block also plays a role in limiting the position, restricting the backward movement stroke of the knob; and the convex block has a large area, with small force per unit area, reducing the deformation of the PCB board and ensuring the long-term stability and safety of the circuit board.

[0029] Another object of the present utility model is to provide an integrated stove, and the integrated stove includes a cabinet and a machine head, and a telescopic knob switch is provided on the machine head, and the telescopic knob switch is the aforementioned telescopic knob switch.

[0030] The telescopic knob switch is provided on the machine head, which is convenient and intuitive to use.

[0031] Beneficial effects: In this technical solution, the knob is connected to the knob base through a buckle component. Users can easily operate the device by rotating or pressing the knob, avoiding the complex design of traditional multiple buttons. This makes the control process more intuitive and flexible, and provides a good user experience, especially for users who are not familiar with touch screen or button operations, such as the elderly.

[0032] Multi-gear control or stepless speed regulation operations can be achieved through the knob, reducing the need for multiple buttons to control different gears, simplifying the overall structure, and reducing the manufacturing cost.

[0033] The elastic component on the base enables the pressed knob to automatically return to the initial position, with a rebound function. This not only improves the operating feel but also ensures the stability and reliability of the knob switch after operation. In addition, the pressing of the knob can be flexibly configured according to different requirements of the device. Functions can be added through the pressing of the knob, such as power on / off, mode switching, confirmation function, pause / resume, etc. By making full use of the pressing characteristics of the knob, the need for separate buttons is reduced, the operating flexibility of the device is improved, the operation structure is simplified, and the device becomes more practical and convenient. Description of the Drawings

[0034] Figure 1 is the structural schematic diagram of the first embodiment of the present utility model.

[0035] Figure 2 is the blasting structural schematic diagram of the first embodiment of the present utility model.

[0036] Figure 3 is the blasting structural schematic diagram of the second embodiment of the present utility model.

[0037] Figure 4 is the assembly structural schematic diagram of the second embodiment of the present utility model.

[0038] Figure 5 is the structural schematic diagram of the buckle component of the third embodiment of the present utility model.

[0039] Figure 6 is the top view structural schematic diagram of the buckle component of the third embodiment of the present utility model.

[0040] Figure 7 is Figure 6 the sectional structural schematic diagram of

[0041] Figure 8 is the assembly structural schematic diagram of the fourth embodiment of the present utility model.

[0042] In the figure:

[0043] 1. Knob; 101. Hook

[0044] 2. Buckle; 201. Card slot; 202. Elastic pressing member; 203. Interlayer; 204. First opening groove; 205. Second opening groove;

[0045] 3. Knob base; 301. Fixed part; 302. Rotating part;

[0046] 4. Base; 401. Connection hole;

[0047] 5. Sealing ring; 6. Screw; 7. Spring; 8. Bump; 9. Machine head; 10. Knob switch; 11. PCB board. Detailed implementation manners

[0048] The technical solution of the present utility model will be further described in detail below with reference to the accompanying drawings of the specification.

[0049] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Since the disclosed embodiments of the present utility model can be arranged in different directions, these terms indicating directions are only for illustration and should not be regarded as limitations. For example, "upper" and "lower" are not necessarily limited to the directions opposite to or consistent with the direction of gravity.

[0050] Embodiment 1:

[0051] As Figure 1 shown, this embodiment includes a knob 1, a buckle 2, a knob base 3 and a base 4; the knob 1 is connected to the knob base 3 through the buckle 2. The knob 1 can drive the rotation and forward and backward movement of the knob base 3. The knob base 3 is arranged on the base 4, and an elastic member is provided on the base 4 so that after being pressed down, the base 4 has a tendency to move forward.

[0052] In this technical solution, the knob 1 is connected to the knob base 3 through the buckle 2. Users can easily operate the device by rotating or pressing the knob 1, avoiding the complex design of traditional multiple buttons. This makes the control process more intuitive and flexible, and provides a good user experience especially for users who are not familiar with touch screen or button operations, such as the elderly.

[0053] Through the knob 1, multi-gear control or stepless speed regulation operations can be achieved, reducing the need for multiple buttons to control different gears, simplifying the overall structure and reducing the manufacturing cost.

[0054] The elastic member on the base 4 enables the knob 1 to automatically return to its initial position after being pressed, having a rebound function, which not only improves the operation feel but also ensures the stability and reliability of the knob switch 10 after operation.

[0055] In addition, the pressing of the knob 1 can flexibly configure functions according to different requirements of the device. Functions can be added by pressing the knob 1, such as power on / off, mode switching, confirmation function, pause / resume, etc. For example, by pressing the knob 1, it is possible to switch between different working modes. For instance, pressing once switches to the normal mode, and pressing again enters the energy-saving mode or switches to the enhanced mode with a higher wind speed. In some devices, pressing the knob 1 can be used to confirm or activate the currently selected function. For example, when a certain gear or parameter is selected by rotating the knob 1, pressing can confirm the selection and execute the relevant operation. Pressing the knob 1 can be used to quickly pause the current operation of the device, and pressing again resumes the work. For example, during cooking, the user can pause the blower or the firepower by pressing, and then resume the work by pressing again. Pressing the knob 1 for a period of time, such as a long press, can trigger the device to reset, restore to the factory settings or start over, avoiding the accumulation of misoperations. On devices with display or sound output functions, pressing can be used to activate the adjustment mode, and rotation controls the parameters, such as adjusting the screen brightness, volume, etc. Pressing the knob 1 can also be used for locking and unlocking the device, preventing accidental touch or misoperation, especially having a good application in terms of child safety. Pressing the knob 1 can be combined with an indicator light or sound effect as a feedback prompt. For example, after pressing, the current device status is prompted through the light color or sound, such as whether the device is turned on and which mode it is running in.

[0056] To facilitate the assembly of the knob 1, multiple hooks 101 are provided at one end of the knob 1, and multiple slots 201 matching the hooks 101 are provided on the buckle member 2. After the hooks 101 are moved and slid into the slots 201, the knob 1 is connected and fixed to the buckle member 2.

[0057] In this embodiment, the rear end of the knob 1 is provided with three hooks 101. The three hooks 101 take into account the stability of the connection and the simplicity of the structure. They cooperate with the slots 201 on the buckle 2 to ensure that the knob 1 can be firmly fixed on the knob seat 3 after installation. The design of the hook 101 sliding into the slot 201 provides a strong mechanical connection, avoids the problem of the knob 1 loosening or falling off, and improves the durability and reliability of the overall device. Through the cooperation of the hook 101 and the slot 201, the operator can easily install and disassemble the knob 1 without complicated tools or operations. When maintaining or replacing the knob 1, the operation is simple and quick, which reduces the user's time and energy investment and improves the convenience of maintenance. The buckle has a simple structure, is easy to mass produce, and does not require additional complex parts, reduces the manufacturing difficulty and cost, and is conducive to large-scale application. At the same time, the design of the hook 101 and the slot 201 can be directly manufactured by common processes such as injection molding, further reducing the production cost. The design of the hook 101 and the slot 201 allows a certain degree of elasticity and displacement while maintaining a firm connection, reducing the wear caused by frequent operation of the knob 1 and increasing the service life of the overall device. Through the structure of the hook 101 and the slot 201, the knob 1 will not fall off or shift due to accidental collision after being fixed. The knob 1 is set in an exposed manner, and the clip 2 can be buried in the panel. From the outside to the inside, the knob 1 can be snapped onto the clip 2 by pressing, and the installation process is simple; when the clip 2 is buried in the panel, the panel surface can remain simple and beautiful, and the exposed part is only the knob 1. Such a design not only improves the appearance quality of the product, but also saves the external space of the equipment, and is particularly suitable for occasions with high requirements for beauty and space. The clip 2 is buried in the panel, reducing the exposed parts, avoiding the clip 2 from being exposed to dust, oil or moisture in the external environment, improving the durability and protection performance of the equipment, especially in environments such as kitchens, which can effectively extend the service life.

[0058] In order to achieve reliable connection between the buckle 2 and the knob seat 3, the buckle 2 is hollow, and a plurality of elastic pressing pieces 202 are provided on its periphery. The elastic pressing pieces 202 press against the knob seat 3, and the buckle 2 is covered with a sealing ring 5.

[0059] The sealing ring 5 can effectively prevent dust, oil or moisture from entering the interior of the device, thereby improving the protective performance of the device, especially in an environment susceptible to pollution such as a kitchen, and can extend the service life of the device.

[0060] In this embodiment, three elastic pressing members 202 are provided. The three elastic pressing members 202 are evenly distributed around the buckle member 2 to ensure a more stable and firm connection between the knob 1 and the knob base 3. The elastic pressing members 202 can provide uniform pressure when pressing, preventing the knob 1 from loosening or shaking, and improving the reliability and durability of the device. The elastic pressing members 202 provide a certain buffering effect, avoiding direct hard contact between the knob 1 and the knob base 3, thereby reducing friction and wear, extending the service life of the knob 1 and the buckle member 2, and reducing the maintenance and replacement frequency during long-term use.

[0061] To achieve a reliable connection between the elastic pressing member 202 and the knob base 3, the elastic pressing member 202 includes a connecting portion extending backward, a pressing portion located at the rear end of the connecting portion and protruding inward, and a guiding surface provided at the rear end of the pressing portion.

[0062] The design of the pressing portion protruding inward enables the pressing member to form a tight pressing effect with the knob base 3, ensuring a firm connection of the knob 1 during operation and preventing the knob 1 from loosening or slipping. Since the guiding surface is provided at the rear end of the pressing portion, the pressing portion can smoothly guide other parts to be snapped into the predetermined position during installation, making the installation process faster and more accurate, and improving the production and assembly efficiency.

[0063] To reduce the weight, a second opening groove 205 that opens backward and penetrates the barrel wall is provided at the rear end of the buckle member 2. The width and depth of the second opening groove 205 are both smaller than those of the first opening groove 204, and the first opening groove 204 and the second opening groove 205 are arranged alternately.

[0064] By providing the second opening groove 205 with a width and depth smaller than those of the first opening groove 204, the buckle member 2 maintains a certain structural integrity, avoiding the problem of weakened strength due to large-area grooving. The first and second opening grooves 205 are arranged alternately, enabling the buckle member 2 to have high stress resistance and deformation resistance while maintaining functionality, enhancing the stability of the overall structure. The opening of the second opening groove 205 reduces the material usage of the buckle member 2 without significantly weakening its structural strength, thereby reducing the overall weight.

[0065] To achieve reliable control, the knob base 3 includes a fixed portion 301 and a rotating portion 302 that can rotate relative to the fixed portion 301. The fixed portion 301 of the knob base 3 is fixedly connected to the base 4; the rotating portion 302 is cylindrical, the rotating portion 302 is inserted into the buckle member 2, and the elastic pressing member 202 presses against the outer circumference of the rotating portion 302.

[0066] The rotating part 302 of the knob base 3 can rotate freely relative to the fixed part 301, enabling the user to achieve smooth and flexible rotation when operating the knob 1. By inserting the rotating part 302 into the buckle part 2 and pressing against the elastic pressing part 202, the stability of the knob 1 is ensured, and the knob 1 will not loosen or shake during operation, improving the reliability and durability of the operation. The elastic pressing part 202 can provide continuous support to ensure that the knob 1 remains stable during frequent operation. The design of the knob base 3 not only supports the rotation function but also provides structural stability through the fixed connection between the fixed part 301 and the base 4. This dual-functional integrated design not only ensures the multi-directional operation ability of the knob 1 (rotation and pressing) but also makes the entire switch system more compact and efficient. The design of the knob base 3 simplifies the installation process. The rotating part 302 can be easily inserted into the buckle part 2, and the pressing design of the elastic pressing part 202 does not require complex fixing operations, making maintenance and replacement more convenient. The connection between the fixed part 301 and the base 4 ensures the structural stability.

[0067] To achieve reliable fixation of the knob switch, connection holes 401 are provided around the base 4. Screws 6 are inserted through the connection holes 401, and a spring 7 serving as an elastic member is sleeved outside the screws 6 passing through the base 4.

[0068] By providing connection holes 401 around the base 4 and using screws 6 for fixation, the base 4 can be effectively and firmly connected to the device or other components. The mechanical fixation method of the screws 6 ensures the stability of the connection, prevents loosening or displacement during operation, and enhances the overall structural strength.

[0069] The spring 7 sleeved outside the screw 6 serves as an elastic member, providing appropriate elastic feedback when pressing the knob 1, enabling the knob 1 to quickly rebound after being pressed and making the pressing smoother. As an elastic member, the spring 7 can automatically reset the knob 1 through its elastic force after the knob 1 is pressed, ensuring that the knob 1 returns to its initial position after each operation and avoiding the phenomenon that the knob 1 remains in the pressed state after operation, improving the working reliability of the device. The design of sleeving the spring 7 outside the screw 6 allows springs 7 of different specifications and stiffnesses to be selected according to requirements to adjust the pressing force and the rebound speed, thus adapting to different operation requirements and increasing the flexibility of the device. The setting of the spring 7 can absorb part of the vibration generated during the operation process, reduce the noise and vibration feeling of the device during use, and improve the overall use experience.

[0070] Embodiment 2:

[0071] As Figure 3 、 Figure 4 shown, the same parts as in Embodiment 1 will not be described in detail. The differences are as follows:

[0072] To improve the reliability of control, a convex block 8 is provided in the middle of the base 4; the convex block 8 is arranged opposite to the PCB board.

[0073] When the bump 8 moves backward and approaches the PCB board 11, it triggers the signal output of the PCB board. In addition, the bump 8 also functions as a limit, restricting the backward movement stroke of the knob 1. Moreover, the bump 8 has a large area, resulting in a small force per unit area, reducing the deformation of the PCB board and ensuring the long-term stability and safety of the circuit board.

[0074] Embodiment Three:

[0075] The same parts as in Embodiment One will not be elaborated again. The differences are as follows:

[0076] As Figures 5 - 7 shown, the buckle member 2 is in a cylindrical shape. The inner cavity of the buckle member 2 is provided with a partition layer 203. The partition layer 203 divides the buckle member 2 into a front end portion that matches the knob 1 and a rear end portion that matches the knob base 3. A card slot 201 is opened at the front end portion of the buckle member 2. The card slot 201 is close to the partition layer 203. The hook 101 of the knob 1 is inserted into the front inner cavity of the buckle member 2, and the outer end portion of the hook 101 extends out from the card slot 201. A first opening groove 204 that opens backward and penetrates the barrel wall is opened at the rear end portion of the buckle member 2. The elastic pressing member 202 is arranged in the first opening groove 204.

[0077] The design of the cylindrical structure is simple and compact, reducing the space occupied by the switch and being suitable for integration in the limited internal space of the device. When the user rotates or presses the knob 1, the action can be smoothly transmitted to the knob base 3, ensuring the operation sensitivity and response speed and improving the control accuracy.

[0078] The design of the partition layer 203 inside the buckle member 2 further enhances the structural stability and strength, effectively avoiding the phenomenon of the hook 101 becoming unhooked. While maintaining the overall rigidity, the partition layer 203 enhances the clamping force of the elastic pressing member 202 on the knob base 3, ensuring the reliability of the operation. At the same time, the partition layer 203 also plays a limiting role. When the hook 101 is inserted into the rear end of the buckle member 2, accurate positioning can be achieved through the partition layer 203, simplifying the assembly process and improving the assembly efficiency.

[0079] Embodiment Four:

[0080] As Figure 8 shown, this embodiment provides an integrated range hood, including a machine cabinet and a machine head 9. An extendable knob switch 10 is provided on the machine head 9, and the knob switch 10 is one of the aforementioned extendable knob switches 10. The extendable knob switch 10 is arranged on the machine head 9, which is convenient and intuitive to use.

[0081] The telescopic rotary switch and the integrated stove shown above are specific embodiments of the present utility model, which have already reflected the substantial features and progress of the present utility model. According to actual usage needs, under the inspiration of the present utility model, equivalent modifications can be made to its shape, structure, etc., and all are within the protection scope of this solution.

Claims

1. A telescopic knob switch, characterized in that: It includes a knob (1), a snap member (2), a knob base (3) and a base (4); the knob (1) is connected to the knob base (3) through the snap member (2), and the knob (1) can drive the rotation and forward and backward movement of the knob base (3). The knob base (3) is arranged on the base (4), and an elastic member is provided on the base (4) so that after being pressed down, the base (4) has a tendency to move forward.

2. The telescopic rotary switch according to claim 1, characterized in that: One end of the knob (1) is provided with a plurality of hooks (101), and the snap member (2) is provided with a plurality of card slots (201) that match the hooks (101). When the hooks (101) move and slide into the card slots (201), the knob (1) is fixedly connected to the snap member (2).

3. The telescopic rotary switch according to claim 2, characterized in that: The snap member (2) is of a hollow structure, and a plurality of elastic pressing members (202) are provided on the periphery. The elastic pressing members (202) press against the knob base (3), and a sealing ring (5) is sleeved outside the snap member (2).

4. The telescopic knob switch according to claim 3, characterized in that: The snap member (2) is in a cylindrical shape, and a partition layer (203) is provided in its inner cavity. The partition layer (203) divides the snap member (2) into a front end portion that matches the knob (1) and a rear end portion that matches the knob base (3); the front end portion is provided with the card slots (201), and the card slots (201) are close to the partition layer (203). The hooks (101) of the knob (1) are inserted into the front inner cavity of the snap member (2), and the outer ends of the hooks (101) extend out of the card slots (201); the rear end portion is provided with a first opening groove (204) that opens backward and penetrates the cylinder wall, and the elastic pressing member (202) is arranged in the first opening groove (204).

5. The telescopic rotary switch according to claim 4, characterized in that: The elastic pressing member (202) includes a connecting portion that extends backward and a pressing portion that is located at the rear end of the connecting portion and protrudes inward. The rear end of the pressing portion is provided with a guiding surface.

6. The telescopic rotary switch according to claim 4, characterized in that: The rear end portion of the snap member (2) is provided with a second opening groove (205) that opens backward and penetrates the cylinder wall. The width and depth of the second opening groove (205) are both smaller than those of the first opening groove (204), and the first opening groove (204) and the second opening groove (205) are arranged alternately.

7. The telescopic rotary switch according to claim 3, wherein: The knob base (3) includes a fixed portion (301) and a rotating portion (302) that can rotate relative to the fixed portion (301). The fixed portion (301) of the knob base (3) is fixedly connected to the base (4); the rotating portion (302) is in a cylindrical shape, and the rotating portion (302) is inserted into the snap member (2), and the elastic pressing member (202) presses against the outer periphery of the rotating portion (302).

8. The telescopic rotary switch according to claim 1, characterized in that: Connection holes (401) are provided around the base (4), and screws (6) are inserted through the connection holes (401). Springs (7) serving as elastic members are sleeved outside the screws (6) passing through the base (4).

9. The telescopic rotary switch according to claim 1, wherein: A convex block (8) is provided in the middle of the base (4); the convex block (8) is arranged opposite to the PCB board.

10. An integrated stove, comprising a cabinet and a machine head (9), characterized in that: A telescopic knob switch (10) is provided on the machine head (9), and the knob switch (10) is a telescopic knob switch according to any one of claims 1-9.

Images