Induction cooker knob and induction cooker

Abstract

The utility model relates to the technical field of household appliances, and particularly discloses an induction cooker knob and an induction cooker. The knob is provided with a sleeve shaft used for being connected with an encoder, and the sleeve shaft sequentially penetrates through the annular clamping groove and the opening in the direction perpendicular to the induction cooker microcrystal plate and then is connected with a rotating shaft of the encoder. The knob is driven to drive the encoder to rotate through the sleeve shaft and obtain a detection signal; a blocking ring is arranged on the inner wall of the annular clamping groove, a plurality of limiting parts which are arranged at intervals in the circumferential direction of the sleeve shaft are arranged on the rotary knob, and the limiting parts abut against the blocking ring to form acting force for preventing the rotary knob from moving away from the induction cooker microcrystal plate. The rotary knob can be reliably installed, the rotary knob is prevented from loosening and falling off, and the use reliability of the induction cooker rotary knob is improved.

Description

Technical Field

[0001] The present application relates to the technical field of household appliances, and in particular to an induction cooker knob and an induction cooker. Background Art

[0002] An induction cooker is a kitchen appliance that uses the principle of electromagnetic induction to heat food. The knobs of induction cookers currently on the market are detachably connected to the knob brackets. Therefore, the existing induction cooker knobs are easily dropped during use, resulting in the loss of the knobs, which not only causes the induction cooker to fail to operate normally, but also reduces the appearance of the induction cooker. In addition, the detachable bolt structure is easy to loosen during long-term use, resulting in a gap between the knob and the knob bracket, causing the knob to shake on the knob bracket. Utility Model Content

[0003] The purpose of the present application is to provide an induction cooker knob and an induction cooker, which can reliably install the knob, prevent the knob from loosening and falling, and improve the reliability of the use of the induction cooker knob.

[0004] The embodiment of the present application is implemented as follows:

[0005] In the first aspect, an embodiment of the present application provides an induction cooker knob, comprising a knob support platform and a knob; the surface of the knob support platform that is in contact with the induction cooker microcrystalline plate is a first end surface, and the knob is arranged on the second end surface of the knob support platform; an opening is provided on the induction cooker microcrystalline plate, and an annular groove is provided on the knob support platform; a sleeve shaft for connecting an encoder is provided on the knob, and the sleeve shaft sequentially passes through the annular groove and is connected to the rotating shaft of the encoder after the opening in a direction perpendicular to the induction cooker microcrystalline plate; the knob is driven by the sleeve shaft to drive the encoder to rotate and obtain a detection signal; a blocking ring is provided on the inner wall of the annular groove, and a plurality of limit portions arranged circumferentially around the sleeve shaft are provided on the knob, and the limit portions abut against the blocking ring to form a force to block the knob from moving away from the induction cooker microcrystalline plate.

[0006] As an optional embodiment, the limiting portion includes a hook; the blocking ring protrudes radially along the sleeve shaft and forms a hanging surface parallel to the microcrystalline plate of the induction cooker; when the sleeve shaft moves close to the encoder, the hook is inserted into the annular groove until the hook contacts the hanging surface and stops moving, forming a force to block the axial movement of the knob along the sleeve shaft.

[0007] As an optional implementation, the limiting portion abuts against the inner wall surface of the annular groove to form a force that blocks the knob from moving radially along the sleeve shaft.

[0008] As an optional implementation, a middle mounting platform is provided on the knob support platform; the middle mounting platform is located in the middle of the annular groove, and a sleeve shaft mounting hole is provided on the middle mounting platform; the sleeve shaft is cooperatively connected with the sleeve shaft mounting hole.

[0009] As an optional implementation, an extension distance of the sleeve shaft mounting hole on the central axis of the sleeve shaft is greater than or equal to a distance between the first end surface and the second end surface.

[0010] In a second aspect, an embodiment of the present application provides an induction cooker, comprising a shell, an induction cooker microcrystalline board and the above-mentioned induction cooker knob; a control mainboard is arranged in the shell, and the induction cooker knob can control the rotation of an encoder arranged on the control mainboard.

[0011] As an optional embodiment, the induction cooker microcrystalline board is laid on the shell, and a locking connector is provided on the shell. The locking connector passes through an opening on the induction cooker microcrystalline board and is connected to the knob support platform, so that a locking force is generated between the first end face of the knob support platform and the surface of the induction cooker microcrystalline board.

[0012] As an optional implementation, the shell is fitted with a side of the induction cooker microcrystalline board facing away from the induction cooker knob, and an annular waterproof cylinder penetrating the opening and connected to the knob support platform is provided on the fitting surface of the shell and the induction cooker microcrystalline board.

[0013] As an optional embodiment, a waterproof groove arranged circumferentially around the annular waterproof cylinder is provided on the fitting surface between the shell and the induction cooker microcrystalline board, and the waterproof groove is filled with a waterproof adhesive layer to seal the fitting surface and the induction cooker microcrystalline board.

[0014] As an optional embodiment, the locking connector includes at least two connecting bolts disposed in the annular waterproof cylinder.

[0015] The beneficial effects of the embodiments of the present application include:

[0016] An induction cooker knob provided in an embodiment of the present application comprises a knob support platform and a knob; the surface where the knob support platform is in contact with the induction cooker microcrystalline plate is a first end surface, and the knob is arranged on a second end surface of the knob support platform; an opening is arranged on the induction cooker microcrystalline plate of the embodiment of the present application, and an annular groove is arranged on the knob support platform; a sleeve shaft for connecting an encoder is arranged on the knob, and the sleeve shaft of the embodiment of the present application sequentially penetrates the annular groove and is connected to the rotating shaft of the encoder after the opening in a direction perpendicular to the induction cooker microcrystalline plate; the knob of the embodiment of the present application is driven by the sleeve shaft to drive the encoder to rotate and obtain a detection signal; a blocking ring is arranged on the inner wall of the annular groove, and a plurality of limiting parts arranged at intervals around the sleeve shaft are arranged on the knob, and the limiting parts abut against the blocking ring to form a force to block the knob from moving away from the induction cooker microcrystalline plate. Compared with the prior art, the embodiment of the present application inserts the limiting part into the annular groove, so that the limiting part abuts against the blocking ring to form a force to block the induction cooker knob from coming out. The embodiment of the present application can reliably install the knob, prevent the knob from loosening and falling off, and can effectively improve the reliability of the use of the induction cooker knob.

[0017] In the second aspect, the embodiment of the present application provides an induction cooker, comprising a housing, an induction cooker microcrystalline board, and the above-mentioned induction cooker knob; a control mainboard is arranged in the housing, and the induction cooker knob can control the rotation of an encoder arranged on the control mainboard. The induction cooker of the embodiment of the present application adopts the above-mentioned induction cooker knob, and adopts a non-detachable clamping structure formed by a limit portion and a blocking ring, so the induction cooker knob has high reliability, can stably and reliably control the rotation of the encoder, and is convenient for users to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is one of the structural schematic diagrams of the induction cooker according to the embodiment of the present application;

[0020] Figure 2 This is the second structural schematic diagram of the induction cooker according to the embodiment of the present application;

[0021] Figure 3 This is the third structural schematic diagram of the induction cooker according to the embodiment of the present application;

[0022] Figure 4 This is the fourth structural schematic diagram of the induction cooker according to the embodiment of the present application;

[0023] Figure 5 This is one of the structural schematic diagrams of the induction cooker knob according to an embodiment of the present application;

[0024] Figure 6 This is the second structural schematic diagram of the induction cooker knob according to the embodiment of the present application;

[0025] Figure 7 This is the third structural diagram of the induction cooker knob according to the embodiment of the present application;

[0026] Figure 8 This is the fourth structural diagram of the induction cooker knob according to the embodiment of the present application;

[0027] Fig. 9 This is the fifth structural schematic diagram of the induction cooker according to the embodiment of the present application.

[0028] icon:

[0029] 100-induction cooker knob; 101-knob support platform; 102-knob; 103-first end face; 104-second end face; 105-raised structure; 106-circular cover plate; 107-side panel; 108-annular surface; 109-annular protrusion; 110-induction cooker microcrystalline plate; 111-opening; 112-annular slot; 113-sleeve shaft; 114-encoder; 115-blocking ring; 116-limiting part; 117-middle mounting platform; 118-sleeve shaft mounting hole; 119-housing; 120-control main board; 121-annular waterproof cylinder; 122-waterproof groove; 123-hook. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0032] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0033] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0034] An induction cooker is a kitchen appliance that uses the principle of electromagnetic induction to heat food. The induction cooker knob 100 currently on the market is detachably connected to the knob 102 bracket. Therefore, the existing induction cooker knob 100 is easy to fall off during use, resulting in the loss of the knob 102, which not only causes the induction cooker to fail to operate normally, but also reduces the appearance of the induction cooker. In addition, the detachable bolt structure is easy to loosen during long-term use, resulting in a gap between the knob 102 and the knob 102 bracket, causing the knob 102 to shake on the knob 102 bracket.

[0035] In order to solve the above technical problems, the embodiment of the present application provides an induction cooker knob 100 and an induction cooker.

[0036] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, the embodiment of the present application provides an induction cooker knob 100, including a knob support platform 101 and a knob 102; the surface where the knob support platform 101 and the induction cooker microcrystalline plate 110 are attached is a first end surface 103, and the knob 102 is arranged on the second end surface 104 of the knob support platform 101; the induction cooker microcrystalline plate 110 is provided with an opening 111, and the knob support platform 101 is provided with an annular groove 112; the knob 102 is provided with a sleeve shaft 113 for connecting an encoder 114, and the sleeve shaft 113 is arranged along a vertical It passes through the annular slot 112 and the opening 111 in sequence in the direction of the induction cooker microcrystalline plate 110 and is connected to the rotating shaft of the encoder 114; the knob 102 is driven by the sleeve shaft 113 to drive the encoder 114 to rotate and obtain a detection signal; a blocking ring 115 is provided on the inner wall of the annular slot 112, and a plurality of limiting portions 116 arranged at intervals in the circumferential direction around the sleeve shaft 113 are provided on the knob 102, and the limiting portions 116 abut against the blocking ring 115 to form a force that blocks the knob 102 from moving away from the induction cooker microcrystalline plate 110.

[0037] It should be noted that the knob support platform 101 of the embodiment of the present application is fixed on the surface of the induction cooker microcrystalline plate 110, the knob 102 is covered on the knob support platform 101, and a ring-shaped limiting portion 116 is provided inside the knob 102. By inserting the ring-shaped limiting portion 116 into the ring-shaped slot 112, the knob 102 and the knob support platform 101 are locked by snapping.

[0038] The locking direction is the axial direction of the sleeve shaft 113 , so as to prevent the knob 102 from falling off from the knob support platform 101 .

[0039] It should be noted that after the limiting portion 116 of the embodiment of the present application is inserted into the annular slot 112 , when the user operates the knob 102 to rotate, the limiting portion 116 rotates synchronously in the annular slot 112 .

[0040] An induction cooker knob 100 provided in an embodiment of the present application includes a knob support platform 101 and a knob 102; the surface of the knob support platform 101 that is in contact with an induction cooker microcrystalline plate 110 is a first end surface 103, and the knob 102 is arranged on a second end surface 104 of the knob support platform 101; an opening 111 is provided on the induction cooker microcrystalline plate 110 in the embodiment of the present application, and an annular groove 112 is provided on the knob support platform 101; a sleeve shaft 113 for connecting an encoder 114 is provided on the knob 102, and the sleeve shaft 113 in the embodiment of the present application is along The knob 102 of the embodiment of the present application is connected to the rotating shaft of the encoder 114 after passing through the annular slot 112 and the opening 111 in sequence perpendicular to the direction of the induction cooker microcrystalline plate 110; the knob 102 of the embodiment of the present application is driven by the sleeve shaft 113 to drive the encoder 114 to rotate and obtain a detection signal; the inner wall of the annular slot 112 is provided with a blocking ring 115, and the knob 102 is provided with a plurality of limiting parts 116 arranged at intervals around the sleeve shaft 113 in the circumferential direction, and the limiting parts 116 abut against the blocking ring 115 to form a force to block the knob 102 from moving away from the induction cooker microcrystalline plate 110. Compared with the prior art, the embodiment of the present application inserts the limiting part 116 into the annular slot 112, so that the limiting part 116 abuts against the blocking ring 115 to form a force to block the induction cooker knob 100 from coming out. The embodiment of the present application can reliably install the knob 102, prevent the knob 102 from loosening and falling off, and can effectively improve the reliability of the induction cooker knob 100.

[0041] Further, see Figure 3 , Figure 6 as well as Figure 8 As shown, the limiting portion 116 includes a hook 123; the blocking ring 115 protrudes radially along the sleeve shaft 113 and forms a hanging surface parallel to the induction cooker microcrystalline plate 110; when the sleeve shaft 113 moves close to the encoder 114, the hook 123 is inserted into the annular groove 112 until the hook 123 contacts the hanging surface and stops moving, forming a force to block the axial movement of the knob 102 along the sleeve shaft 113.

[0042] The limiting portion 116 abuts against the inner wall surface of the annular groove 112 to form a force that blocks the knob 102 from moving radially along the sleeve shaft 113 .

[0043] It should be noted that after the limiting portion 116 of the embodiment of the present application is inserted into the annular groove 112, when the user operates the knob 102 to rotate, the hook 123 can rotate synchronously in the annular groove 112, and the axially extending portion of the hook 123 contacts the inner wall annular surface of the annular groove 112, preventing the knob 102 from shaking radially on the knob support 101.

[0044] As an optional implementation, refer to Figure 6 , Figure 7 as well as Figure 8 As shown, a middle mounting platform 117 is provided on the knob support platform 101 ; the middle mounting platform 117 is located in the middle of the annular slot 112 , and a sleeve shaft mounting hole 118 is provided on the middle mounting platform 117 ; the sleeve shaft 113 is matched and connected with the sleeve shaft mounting hole 118 .

[0045] In the embodiment of the present application, a middle mounting platform 117 is provided in the middle of the knob support platform 101, and the knob 102 is installed downward so that the sleeve shaft 113 is sleeved on the rotating shaft of the encoder 114. At this time, the inner wall of the sleeve shaft 113 contacts the rotating shaft of the encoder 114, and the outer wall of the sleeve shaft 113 is connected to the sleeve shaft mounting hole 118.

[0046] It should be noted that due to the tolerance of the matching between the rotating shaft of the encoder 114 and the shaft hole of the sleeve shaft 113, as well as the force arm generated by the rotating shaft in the radial direction, the knob 102 may wobble after being assembled.

[0047] The knob support platform 101 of the embodiment of the present application is fixedly arranged on the surface of the induction cooker microcrystalline board 110, and the top surface supports the knob 102, that is, the top surface of the knob support platform 101 is in contact with the knob 102. In addition, the radial limit of the hook 123 can effectively reduce the radial shaking amplitude of the knob 102. Furthermore, the embodiment of the present application can make the knob 102 rotate stably around the rotation axis by matching the sleeve shaft mounting hole 118 with the shaft hole of the sleeve shaft 113, thereby avoiding radial shaking on the surface of the induction cooker microcrystalline board 110.

[0048] More preferably, the extension distance of the sleeve shaft mounting hole 118 on the central axis of the sleeve shaft 113 is greater than or equal to the distance between the first end surface 103 and the second end surface 104 .

[0049] The above arrangement in the embodiment of the present application can ensure that the sleeve shaft mounting hole 118 has a certain depth in the axial direction, so as to better limit the radial position of the sleeve shaft 113 .

[0050] Reference Figure 2 as well as Figure 3 As shown, an embodiment of the present application provides an induction cooker, including a shell 119, an induction cooker microcrystalline plate 110 and the above-mentioned induction cooker knob 100; a control mainboard 120 is arranged in the shell 119, and the induction cooker knob 100 can control the rotation of an encoder 114 arranged on the control mainboard 120.

[0051] It should be noted that the encoder 114 can be used to control the output power during the operation of the induction cooker to achieve stepless regulation. The button-type regulation used in the prior art usually provides a button for increasing the output power and a button for reducing the output power. By pressing one of the buttons, the output power is reduced or increased by a fixed value. Therefore, the prior art cannot achieve stepless regulation. The embodiment of the present application achieves stepless regulation by means of a knob and an encoder, and the adjustment process is more delicate, so that the user can adjust the output power parameter size as desired according to the needs.

[0052] The induction cooker of the embodiment of the present application adopts the above-mentioned induction cooker knob 100, and adopts the limiting portion 116 and the blocking ring 115 to form a non-detachable clamping structure. Therefore, the induction cooker knob 100 has high reliability, can stably and reliably control the rotation of the encoder 114, and is convenient for users to operate.

[0053] Reference Figure 3 As shown, as an optional embodiment, the induction cooker microcrystalline board 110 is laid on the shell 119, and a locking connector is provided on the shell 119. The locking connector passes through the opening 111 on the induction cooker microcrystalline board 110 and is connected to the knob support platform 101, so that the first end face 103 of the knob support platform 101 and the surface of the induction cooker microcrystalline board 110 generate a locking force.

[0054] The embodiment of the present application uses a locking connector to make the first end face 103 of the knob support platform 101 fit tightly with the surface of the induction cooker microcrystalline board 110, preventing domestic water from entering the induction cooker knob 100, which can help the contact surface between the knob support platform 101 and the induction cooker microcrystalline board 110 achieve the first level of waterproofing.

[0055] The locking connector includes at least two connecting bolts disposed in the annular waterproof tube 121 .

[0056] Exemplarily, three connecting bolts extending in the axial direction are disposed in the annular waterproof cylinder 121 , and the connecting bolts pass through the openings 111 and are connected to threaded holes disposed on the knob support platform 101 .

[0057] Reference Figure 3 as well as Fig. 9As shown, as an optional embodiment, the shell 119 is bonded to the side of the induction cooker microcrystalline board 110 facing away from the induction cooker knob 100, and an annular waterproof tube 121 is provided on the bonding surface of the shell 119 and the induction cooker microcrystalline board 110, which penetrates the opening 111 and is connected to the knob support platform 101.

[0058] The fitting surface between the shell 119 and the induction cooker microcrystalline board 110 is provided with a waterproof groove 122 arranged circumferentially around the annular waterproof cylinder 121 , and the waterproof groove 122 is filled with a waterproof adhesive layer to seal the fitting surface with the induction cooker microcrystalline board 110 .

[0059] Furthermore, in the embodiment of the present application, a waterproof groove 122 is arranged on the circumference of the annular waterproof cylinder 121, and a waterproof adhesive layer is provided in the waterproof groove 122, so that the fitting surface of the shell 119 and the induction cooker microcrystalline plate 110 is sealed and waterproofly connected, realizing a second level of waterproofing, and effectively preventing domestic water from entering the interior of the induction cooker.

[0060] It should be noted that the waterproof adhesive layer can be a silicone adhesive layer, or other types of waterproof adhesive, which is not particularly limited and can be selected by those skilled in the art as needed.

[0061] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, an embodiment of the present application provides an induction cooker knob 100, comprising a knob support platform 101 and a knob 102; the surface of the knob support platform 101 that is in contact with the induction cooker microcrystalline plate 110 is a first end surface 103, and the knob 102 is rotatably arranged on a second end surface 104 of the knob support platform 101; the second end surface 104 is provided with protruding structures 105 that are circumferentially spaced around the rotation axis of the knob 102; when the knob 102 rotates, the protruding structures 105 are all in contact with the knob 102.

[0062] The protrusion structure 105 is a hemispherical protrusion or a spherical protrusion.

[0063] The knob 102 of the embodiment of the present application includes a circular cover plate 106 and a side panel 107 arranged on the circumferential edge of the circular cover plate 106. The side panel 107 and the circular cover plate 106 form a cover-like structure covering the knob support platform 101. The cover-like structure is close to the annular surface 108 of the induction cooker microcrystalline plate 110 and a first distance is preset between the surface of the induction cooker microcrystalline plate 110.

[0064] The annular surface 108 is provided with an annular protrusion 109 extending toward one side of the induction cooker microcrystalline plate 110 . A second spacing is preset between the annular protrusion 109 and the surface of the induction cooker microcrystalline plate 110 . The second spacing is smaller than the first spacing.

[0065] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An induction cooker knob (100), characterized in that: The invention comprises a knob support platform (101) and a knob (102); the surface of the knob support platform (101) that is in contact with an induction cooker microcrystalline plate (110) is a first end surface (103), and the knob (102) is arranged on a second end surface (104) of the knob support platform (101); an opening (111) is arranged on the induction cooker microcrystalline plate (110), and an annular groove (112) is arranged on the knob support platform (101); a sleeve shaft (113) for connecting an encoder (114) is arranged on the knob (102), and the sleeve shaft (113) is arranged along a direction perpendicular to the induction cooker microcrystalline plate (110). The rotary knob (102) is connected to the rotating shaft of the encoder (114) after passing through the annular groove (112) and the opening (111) in sequence; the rotary knob (102) is driven by the sleeve shaft (113) to drive the encoder (114) to rotate and obtain a detection signal; a blocking ring (115) is provided on the inner wall of the annular groove (112); a plurality of limiting portions (116) are arranged at intervals in the circumferential direction around the sleeve shaft (113) on the rotary knob (102); the limiting portions (116) abut against the blocking ring (115) to form a force that blocks the rotary knob (102) from moving away from the induction cooker microcrystalline plate (110).

2. The induction cooker knob (100) according to claim 1, characterized in that: The limiting portion (116) comprises a hook (123); the blocking ring (115) protrudes radially along the sleeve shaft (113) and forms a hanging surface parallel to the induction cooker microcrystalline plate (110); when the sleeve shaft (113) moves close to the encoder (114), the hook (123) is inserted into the annular groove (112) until the hook (123) contacts the hanging surface and stops moving, thereby forming a force that blocks the axial movement of the knob (102) along the sleeve shaft (113).

3. The induction cooker knob (100) according to claim 1, characterized in that: The limiting portion (116) abuts against the inner wall surface of the annular groove (112), thereby forming a force that blocks the radial movement of the knob (102) along the sleeve shaft (113).

4. The induction cooker knob (100) according to any one of claims 1 to 3, characterized in that: The knob support platform (101) is provided with a middle mounting platform (117); the middle mounting platform (117) is located in the middle of the annular groove (112); a sleeve shaft mounting hole (118) is provided on the middle mounting platform (117); the sleeve shaft (113) is matched and connected with the sleeve shaft mounting hole (118).

5. The induction cooker knob (100) according to claim 4, characterized in that: The extension distance of the sleeve shaft mounting hole (118) on the central axis of the sleeve shaft (113) is greater than or equal to the distance between the first end surface (103) and the second end surface (104).

6. An induction cooker, characterized in that: The invention comprises a shell (119), an induction cooker microcrystalline plate (110), and an induction cooker knob (100) as claimed in any one of claims 1 to 5; a control mainboard (120) is arranged in the shell (119), and the induction cooker knob (100) can control the rotation of an encoder (114) arranged on the control mainboard (120).

7. The induction cooker according to claim 6, characterized in that: The induction cooker microcrystalline plate (110) is laid on the shell (119), and a locking connector is provided on the shell (119). The locking connector passes through an opening (111) on the induction cooker microcrystalline plate (110) and is connected to the knob support platform (101), so that a locking force is generated between the first end surface (103) of the knob support platform (101) and the surface of the induction cooker microcrystalline plate (110).

8. The induction cooker according to claim 7, characterized in that: The shell (119) is bonded to a side of the induction cooker microcrystalline plate (110) facing away from the induction cooker knob (100), and an annular waterproof cylinder (121) penetrating the opening (111) and connected to the knob support platform (101) is provided on the bonding surface of the shell (119) and the induction cooker microcrystalline plate (110).

9. The induction cooker according to claim 8, characterized in that: A waterproof groove (122) arranged circumferentially around the annular waterproof cylinder (121) is provided on the fitting surface between the shell (119) and the induction cooker microcrystalline plate (110), and the waterproof groove (122) is filled with a waterproof adhesive layer so that the fitting surface and the induction cooker microcrystalline plate (110) are sealed and connected.

10. The induction cooker according to claim 8, characterized in that: The locking connection member comprises at least two connection bolts arranged in the annular waterproof cylinder (121).

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