CN111067370A - Knob switch and electric cooker - Google Patents
Knob switch and electric cooker Download PDFInfo
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- CN111067370A CN111067370A CN201911419721.5A CN201911419721A CN111067370A CN 111067370 A CN111067370 A CN 111067370A CN 201911419721 A CN201911419721 A CN 201911419721A CN 111067370 A CN111067370 A CN 111067370A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 83
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 29
- 235000009566 rice Nutrition 0.000 claims abstract description 29
- 240000007594 Oryza sativa Species 0.000 claims abstract 2
- 238000003780 insertion Methods 0.000 claims description 23
- 230000037431 insertion Effects 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000010411 cooking Methods 0.000 abstract description 25
- 238000004321 preservation Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 241000209094 Oryza Species 0.000 description 27
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010792 warming Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention relates to a knob switch and an electric cooker, the knob switch comprises: a face cover; the knob comprises a rotating part and a rotating shaft, the rotating part is rotatably connected with the face cover through the rotating shaft, and a first limiting groove is formed in the rotating part; the transmission piece is positioned between the surface cover and the rotating part, a guide groove for the rotating shaft to pass through is formed in the transmission piece, the rotating shaft and the guide groove can be in sliding fit, a first abutting column is arranged on the transmission piece, the first abutting column is inserted into the first limiting groove, and when the knob rotates, the first limiting groove and the first abutting column are in driving fit so that the transmission piece can slide between a first position and a second position relative to the knob; and the moving part is positioned on one surface of the surface cover far away from the transmission part and is in linkage connection with the transmission part. The knob switch can realize the control of the rice cooking and heat preservation functions of the electric cooker, is convenient to operate, has a simple structure, needs fewer parts and can effectively reduce the production cost.
Description
Technical Field
The invention relates to the technical field of cooking appliances, in particular to a knob switch and an electric cooker.
Background
The electric cooker is a common cooking appliance in daily life, the conventional electric cooker is usually provided with a key switch corresponding to the rice cooking and heat preservation functions respectively, when the rice is required to be cooked, the key switch corresponding to the rice cooking function is pressed down, when the heat preservation function is required, the key switch corresponding to the heat preservation function is pressed down, the operation is very inconvenient, the rice cooking and heat preservation functions of the electric cooker are controlled by adopting the two key switches respectively, more parts are required during production and manufacturing, and the cost is higher during batch production.
Disclosure of Invention
Therefore, there is a need to provide a knob switch and an electric cooker, which can control the cooking and heat preservation functions of the electric cooker, and have the advantages of convenient operation, simple structure, fewer required parts and effectively reduced production cost.
A rotary switch comprising:
a face cover;
the knob comprises a rotating part and a rotating shaft, the rotating part is rotatably connected with the face cover through the rotating shaft, and a first limiting groove is formed in the rotating part;
the transmission part is positioned between the face cover and the rotating part, a guide groove for the rotating shaft to pass through is formed in the transmission part, the rotating shaft is in sliding fit with the guide groove, a first abutting column is arranged on the transmission part, the first abutting column is inserted into the first limiting groove, and when the knob rotates, the first limiting groove is in driving fit with the first abutting column so that the transmission part can slide between a first position and a second position relative to the knob; and
the moving part is located the face lid is kept away from the one side of driving medium, the moving part with the driving medium linkage is connected.
Generally, a temperature sensor and a driving rod are arranged at the bottom of a pot body of an electric cooker, the middle part of the driving rod is pivoted with the pot body, the driving rod is provided with a jacking end used for being matched with the temperature sensor and a pressed end used for being driven by external force, a trigger switch (such as a microswitch) is arranged below a rod body of the driving rod, which is close to one side of the temperature sensor, the driving rod acts on the driving rod through the external force, and the driving rod is matched with the trigger switch so as to realize the cooking function or the heat preservation. When the knob switch is applied to the electric cooker, the knob switch is installed on the cooker body through the surface cover, the knob is located on the outer side of the cooker body, and the moving part is located on the inner side of the cooker body and located above the pressed end of the driving rod. When rice needs to be cooked, the knob is rotated along the first direction, the first limit groove on the knob is in driving fit with the first abutting column of the transmission piece, the transmission piece can slide downwards to the second position, and then the movable piece can be driven to move downwards to apply downward pressure to the pressed end of the driving rod, correspondingly, the jacking end of the driving rod can move upwards until the driving rod does not continuously apply pressure to the trigger switch any more, and at the moment, the electric rice cooker is in a heating state, so that the rice cooking function can be realized; when needing to cancel cooking or keep warm, rotate the knob along the second direction, first spacing groove on the knob and the first butt post drive fit of driving medium can make the driving medium upwards move to primary importance, and then can drive the moving part upwards movement, until the moving part no longer exerts the pressure end in the actuating lever, the jack-up end of actuating lever can the downstream reset to touch trigger switch, electric rice cooker is in cancellation cooking or the state that keeps warm this moment. Therefore, the control of the rice cooking and heat preservation functions of the electric cooker can be realized through one knob switch, the operation is convenient, the structure is simple, the required parts are fewer, and the production cost can be effectively reduced.
In one embodiment, the face cover is provided with a mounting hole, the face cover comprises a sleeve portion extending from the periphery of the mounting hole to one side far away from the transmission member, the movable member is sleeved on the periphery of the sleeve portion in a vertically movable manner, the transmission member is connected with the movable member through a linkage structure, the face cover is provided with a avoidance hole for the linkage structure to move vertically, a fixing member is arranged at the end portion of the sleeve portion, a through hole corresponding to the mounting hole is formed in the fixing member, the rotating shaft sequentially penetrates through the mounting hole, the sleeve portion and the through hole, one end of the rotating shaft far away from the rotating portion is connected with a rotating member, and the rotating member is in synchronous linkage with the rotating portion.
In one embodiment, the movable member includes a connecting portion and a driving portion disposed at a bottom side of the connecting portion, the connecting portion is provided with a movable groove, the connecting portion is movably sleeved on a periphery of the sleeve portion up and down through the movable groove, and the driving portion is provided with a driving groove.
In one embodiment, one of the transmission member and the movable member is provided with an insertion column, and the other one of the transmission member and the movable member is provided with an insertion hole, and the insertion column is in insertion fit with the insertion hole to form the linkage structure.
In one embodiment, one of the transmission part and the movable part is provided with a clamping part, the other one of the transmission part and the movable part is provided with a clamping hole, and the clamping part penetrates through the avoiding hole to be in clamping fit with the clamping hole.
In one embodiment, the driving member is further provided with a second abutting column, the second abutting column and the first abutting column are respectively located on two opposite sides of the width direction of the guide groove, the rotating portion is further provided with a second limiting groove, and the second abutting column can be movably inserted into the second limiting groove up and down.
In one embodiment, the knob has an initial rotational position and a first rotational position, and the transmission moves downward from the first position to the second position when the knob is rotated in a first direction from the initial rotational position to the first rotational position; when the knob rotates from the first rotating position to the initial rotating position along a second direction, the transmission piece moves upwards from the second position to the first position.
In one embodiment, the knob has an initial rotational position, a first rotational position, and a second rotational position, the transmission moving downward from the first position to the second position when the knob is rotated in a first direction from the initial rotational position to the first rotational position; when the knob rotates from the initial position to the second rotating position along a second direction, the transmission piece moves upwards from the second position to the first position; the knob switch further comprises an elastic resetting piece, the elastic resetting piece is used for driving the knob to return to the initial rotating position from the first rotating position or the second rotating position after external force is removed, and in the process of resetting the knob in a rotating mode, the position of the transmission piece is kept unchanged.
In one embodiment, the elastic reset piece adopts a bidirectional torsion spring structure, the elastic reset piece comprises a first torsion arm, a second torsion arm and a third torsion arm, the fixing piece is close to one side of the rotating piece, the periphery of the through hole is provided with an annular table, the elastic reset piece is sleeved on the periphery of the annular table, the circumference of the rotating piece is provided with a first clamping groove, a second clamping groove and a third clamping groove, the first torsion arm is clamped in the first clamping groove, the second torsion arm is clamped in the second clamping groove, the third torsion arm is clamped in the third clamping groove, the fixing piece is further provided with a plurality of limiting convex parts, and the limiting convex parts are used for limiting the rotational displacement of the elastic reset piece.
In one embodiment, the face cover is provided with a first function indicator light and a second function indicator light.
An electric cooker comprises the knob switch.
Drawings
Fig. 1 is an exploded view of a rotary switch according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the knob of the rotary switch of FIG. 1 in an initial rotational position;
FIG. 3 is a schematic view of a first cross-sectional structure of the rotary switch of FIG. 2 without a cover;
FIG. 4 is a second sectional view of the rotary switch of FIG. 2;
FIG. 5 is a schematic view of the knob switch of FIG. 1 in a first rotational position;
FIG. 6 is a schematic view of a first cross-sectional structure of the rotary switch of FIG. 5 without a cover;
FIG. 7 is a second sectional view of the rotary switch of FIG. 5;
fig. 8 is an exploded view of a rotary switch according to a second embodiment of the present invention;
FIG. 9 is a schematic view of the knob switch of FIG. 8 in an initial rotational position;
FIG. 10 is a first cross-sectional view of the rotary switch of FIG. 9 without the cover;
FIG. 11 is a second cross-sectional view of the rotary switch of FIG. 9;
FIG. 12 is a schematic view of the knob switch of FIG. 8 in a first rotational position;
FIG. 13 is a schematic view of the first cross-sectional configuration of the rotary switch of FIG. 12 with the cover removed;
FIG. 14 is a second cross-sectional view of the rotary switch of FIG. 12;
FIG. 15 is a schematic view of the knob switch of FIG. 8 in a second rotational position;
FIG. 16 is a first cross-sectional view of the rotary switch of FIG. 15 without the cover;
FIG. 17 is a second cross-sectional view of the rotary switch of FIG. 15;
FIG. 18 is a rear view of the cover of the rotary switch of FIGS. 1 and 8;
fig. 19 is a schematic cross-sectional view showing a knob of the rotary switch in the first embodiment;
fig. 20 is a schematic cross-sectional view showing a knob of the knob switch in the second embodiment;
FIG. 21 is a schematic view of the transmission member of the rotary switch of FIGS. 1 and 8;
FIG. 22 is a schematic structural view of the movable member of the rotary switch of FIGS. 1 and 8;
FIG. 23 is a schematic view of a fixing member of the rotary switch of FIGS. 1 and 8;
fig. 24 is a schematic structural view of a rotation member of the rotary switch of fig. 1 and 8;
fig. 25 is a schematic structural view of an elastic reset member of the knob switch in fig. 8.
10. A surface cover, 11, a mounting hole, 12, a sleeve portion, 13, an avoidance hole, 14, a positioning column, 15, a first function indicator light, 16, a second function indicator light, 17, a first mark, 20, a knob, 21, a rotating portion, 211, a first limit groove, 212, a second limit groove, 213, a second mark, 22, a rotating shaft, 221, a limit column, 30, a transmission member, 31, a guide groove, 32, a first abutting column, 33, a clamping portion, 34, a plugging column, 35, a second abutting column, 40, a rotating member, 41, a connecting portion, 411, a movable groove, 412, a clamping hole, 413, a plugging hole, 42, a driving portion, 421, a driving groove, 50, a fixing member, 51, a penetrating hole, 52, a positioning hole, 53, a ring-shaped platform, 54, a limit convex portion, 60, a rotating member, 61, a connecting column, 611, a limit hole, 62, a disc body, 621, a through hole, 63, a first clamping groove, 64, a second clamping groove, 65, a through hole, a first clamping groove, Third draw-in groove, 70, fastener, 80, elasticity reset piece, 81, first torque arm, 82, second torque arm, 83, third torque arm.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "first," "second," and "third" as used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
Referring to fig. 1 and 8, a rotary switch includes a cover 10, a rotary knob 20, a transmission member 30 and a movable member 40.
The surface cover 10 is used for integrating the knob 20, the transmission member 30 and the moving member 40 into a whole, a mounting opening matched with the surface cover 10 is reserved on a pot body of the electric cooker, the surface cover 10 covers the mounting opening, the knob switch can be integrally assembled on the pot body of the electric cooker, and the assembly is simple and convenient.
Referring to fig. 19 and 20, the knob 20 includes a rotating portion 21 and a rotating shaft 22, the rotating portion 21 is rotatably connected to the face cover 10 through the rotating shaft 22, and the rotating portion 21 is provided with a first limiting groove 211. The rotating part 21 is a cover body with one side open, and a user can realize the control of the knob switch only by manually rotating the rotating part 21, and the operation is simple and convenient. Optionally, the rotating portion 21 is circumferentially provided with a plurality of anti-slip lines.
Referring to fig. 21, the transmission member 30 is located between the face cover 10 and the rotating portion 21, the transmission member 30 is provided with a guide groove 31 for the rotating shaft 22 to pass through, the rotating shaft 22 is slidably engaged with the guide groove 31, the transmission member 30 is provided with a first abutting column 32, the first abutting column 32 is inserted into the first limiting groove 211, and when the knob 20 rotates, the first limiting groove 211 is drivingly engaged with the first abutting column 32, so that the transmission member 30 can slide between a first position and a second position relative to the knob 20. The guide slot 31 is arranged in a strip shape to form a certain moving space with the rotating shaft 22, and optionally, the guide slot 31 is a vertically extending kidney-shaped slot.
The movable member 40 is located on a side of the face cover 10 away from the transmission member 30, and the movable member 40 is connected with the transmission member 30 in an interlocking manner. When the transmission member 30 slides up and down, the movable member 40 can slide up and down along with the transmission member 30, so that the movable member 40 can act on the driving rod of the electric rice cooker.
Generally, a temperature sensor and a driving rod are arranged at the bottom of a pot body of an electric cooker, the middle part of the driving rod is pivoted with the pot body, the driving rod is provided with a jacking end used for being matched with the temperature sensor and a pressed end used for being driven by external force, a trigger switch (such as a microswitch) is arranged below a rod body of the driving rod, which is close to one side of the temperature sensor, the driving rod acts on the driving rod through the external force, and the driving rod is matched with the trigger switch so as to realize the cooking function or the heat preservation. When the knob switch is applied to the electric cooker, the knob switch is mounted on the cooker body through the cover 10, the knob 20 is located at the outer side of the cooker body, and the movable member 40 is located at the inner side of the cooker body and above the pressed end of the driving rod. When rice needs to be cooked, the knob 20 is rotated along the first direction, the first limit groove 211 on the knob 20 is in driving fit with the first abutting column 32 of the transmission member 30, the transmission member 30 can slide downwards to the second position, and the movable member 40 can be driven to move downwards to apply downward pressure to the pressed end of the driving rod, correspondingly, the jacking end of the driving rod can move upwards until the driving rod does not continuously apply pressure to the trigger switch, and at the moment, the electric cooker is in a heating state, so that the rice cooking function can be realized; when the rice cooking is required to be cancelled or the heat preservation is required, the knob 20 is rotated along the second direction, the first limit groove 211 on the knob 20 is in driving fit with the first abutting column 32 of the transmission member 30, the transmission member 30 can be enabled to move upwards to the first position, and then the movable member 40 can be driven to move upwards until the movable member 40 does not apply force to the pressed end of the driving rod any more, the jacking end of the driving rod can move downwards to reset, the trigger switch is triggered, and at this time, the electric rice cooker is in a state of cancelling the rice cooking or preserving the heat. Therefore, the control of the rice cooking and heat preservation functions of the electric cooker can be realized through one knob switch, the operation is convenient, the structure is simple, the required parts are fewer, and the production cost can be effectively reduced.
Further, referring to fig. 4 and 18, a mounting hole 11 is formed in the face cover 10, the face cover 10 includes a sleeve portion 12 extending from a periphery of the mounting hole 11 to a side away from the transmission member 30, the movable member 40 is movably sleeved on a periphery of the sleeve portion 12 up and down, the transmission member 30 is connected to the movable member 40 through a linkage structure, an avoidance hole 13 for the linkage structure to move up and down is formed in the face cover 10, a fixing member 50 is disposed at an end portion of the sleeve portion 12, a through hole 51 corresponding to the mounting hole 11 is formed in the fixing member 50, the rotating shaft 22 sequentially passes through the mounting hole 11, the sleeve portion 12 and the through hole 51, a rotating member 60 is connected to an end of the rotating shaft 22 away from the rotating portion 21, and the rotating member 60 is synchronously linked with. During assembly, the rotating shaft 22 of the knob 20 sequentially passes through the guide groove 31, the mounting hole 11, the sleeve portion 12 and the through hole 51, so that the knob 20, the transmission member 30, the face cover 10 and the fixing member 50 can be assembled into a whole, the movable member 40 is sleeved on the sleeve portion 12 and positioned between the face cover 10 and the fixing member 50, the movement of the movable member 40 along the axial direction of the sleeve portion 12 can be limited through the fixing member 50, and finally, the rotating member 60 is fixed at the tail end of the rotating shaft 22. The whole structure is simple, the required parts are less, and the assembly is convenient.
Referring to fig. 24, optionally, the rotating member 60 includes a disc body 61 disposed opposite to the fixing member 50, and a connecting column 62 disposed on a side of the disc body 61 close to the fixing member 50, the rotating shaft 22 is hollow, the connecting column 62 is inserted into the rotating shaft 22, a through hole 621 for the fastening member 70 to pass through is disposed in the connecting column 62, the rotating portion 21 is correspondingly provided with a through hole for accommodating the fastening member, and the through hole is communicated with the hollow cavity of the rotating shaft 22. After the connecting column 62 of the rotating member 60 is inserted into the hollow cavity of the rotating shaft 22, the fastening member 70 (e.g., a bolt) is inserted into the through hole 621, and the end of the fastening member 70 can be locked by the locking member (e.g., a nut), so that the rotating member 60 and the knob 20 can be fixedly connected, and the assembly is simple and convenient. Alternatively, a decorative cover is provided outside the rotating part 21 of the knob 20, and the locking member is covered and protected by the decorative cover.
Optionally, the end surface of the rotating shaft 22 is provided with a plurality of limiting posts 221 at intervals, and the disc body 61 is correspondingly provided with limiting holes 611 which are in plug-in fit with the limiting posts 221. Through the matching of the limiting column 221 and the limiting hole 611, the knob 20 and the rotating member 60 can form a transmission connection in front, so as to ensure that the rotating member 60 and the knob 20 are linked synchronously.
Further, referring to fig. 22, the movable member 40 includes a connecting portion 41 and a driving portion 42 disposed at a bottom side of the connecting portion 41, the connecting portion 41 is provided with a movable slot 411, the connecting portion 41 is movably sleeved on the periphery of the sleeve portion 12 up and down through the movable slot 411, and the driving portion 42 is provided with a driving slot 421. Through setting up drive groove 421, can insert the pressurized end of actuating lever in drive groove 421 to realize the linkage between actuating lever and the moving part 40 and be connected, make the moving part 40 can act on the actuating lever more accurately.
Referring to fig. 18 and 23, optionally, the fixing member 50 is provided with a positioning hole 52, the face cover 10 is correspondingly provided with a positioning column 14, and the fixing member 50 and the face cover 10 can be quickly and accurately assembled into a whole by matching the positioning column 14 with the positioning hole 52, so as to further improve the assembly efficiency. Meanwhile, the positioning column 14 is matched with the positioning hole 52, so that the fixing member 50 can be kept still relative to the face cover 10 during the rotation of the knob 20. The number of the positioning posts 14 can be set according to actual requirements, for example, as shown in fig. 18, four positioning posts 14 are provided on the face cover 10, and correspondingly, four positioning holes 52 are provided on the fixing member 50.
Furthermore, one of the transmission member 30 and the movable member 40 is provided with an insertion column 34, and the other is provided with an insertion hole 413, and the insertion column 34 is inserted and matched with the insertion hole 413 to form a linkage structure. Through the cooperation of the insertion post 34 and the insertion hole 413, the transmission member 30 and the movable member 40 can be synchronously linked. For example, as shown in fig. 21 and 22, an insertion column 34 is disposed on a surface of the transmission member 30 away from the first abutting column 32, and correspondingly, an insertion hole 413 is disposed on the movable member 40, the insertion column 34 is inserted into the insertion hole 413 after passing through the avoiding hole 13, so that the transmission member 30 and the movable member 40 can be connected in a linkage manner, and the avoiding hole 13 on the surface cover 10 can provide a space for moving the insertion column 34 up and down, so that the transmission member 30 can drive the movable member 40 to move up and down. Alternatively, the driving member 30 is provided with two insertion posts 34 on opposite sides thereof, and correspondingly, the movable member 40 is provided with two insertion holes 413 corresponding to the insertion posts 34 one by one on opposite sides thereof.
Further, in order to prevent the transmission member 30 from being separated from the movable member 40, one of the transmission member 30 and the movable member 40 is provided with a clamping portion 33, and the other is provided with a clamping hole 412, and the clamping portion 33 passes through the avoiding hole 13 to be in clamping fit with the clamping hole 412. The transmission member 30 and the movable member 40 are connected by a snap structure, so that the assembly is simple and convenient, and the connection is reliable. Optionally, the two opposite sides of the transmission member 30 are respectively provided with a clamping portion 33, and correspondingly, the two opposite sides of the movable member 40 are provided with clamping holes 412 corresponding to the clamping portions 33 one by one, so that the reliability of the linkage connection can be further ensured.
Further, the transmission member 30 is further provided with a second abutting column 35, the second abutting column 35 and the first abutting column 32 are respectively located at two opposite sides of the width direction of the guide groove 31, the rotating portion 21 is further provided with a second limiting groove 212, and the second abutting column 35 is movably inserted into the second limiting groove 212 up and down. In the rotation process of the knob 20, the first limiting groove 211 and the first abutting column 32 are in driving fit to enable the transmission member 30 to generate vertical displacement, the second abutting column 35 can move up and down in the second limiting groove 212, and the upper groove wall or the lower groove wall of the second limiting groove 212 is in abutting fit with the second abutting column 35, so that the movement of the transmission member 30 can be limited, and the transmission member 30 can be ensured to accurately move to a preset position.
In practical applications, the knob switch can meet different usage scenarios by changing the sizes of the first limiting groove 211 and the second limiting groove 212, and two application scenarios of the knob switch are exemplified below.
Referring to fig. 1 to 7, in the first embodiment, the knob 20 has an initial rotation position and a first rotation position, and when the knob 20 rotates from the initial rotation position to the first rotation position in the first direction, the transmission member 30 moves downward from the first position to the second position; when the knob 20 is rotated in the second direction from the first rotational position to the initial rotational position, the transmission member 30 moves upward from the second position to the first position.
In this embodiment, the upper and lower groove walls of the first limiting groove 211 can maintain the abutting state with the first abutting column 32. Referring to fig. 2 to 4, when the knob 20 is at the initial rotation position, the first abutting column 32 is sandwiched between the upper and lower side walls of the first limiting groove 211, the upper side wall of the second limiting groove 212 abuts against the second abutting column 35, the lower side wall of the second limiting groove 212 separates from the second abutting column 35, and at this time, the transmission member 30 is at the first position. Referring to fig. 5 to 7, when rice needs to be cooked, the knob 20 is rotated clockwise to the first rotation position, the first limiting groove 211 is in driving fit with the first abutting column 32, the second abutting column 35 moves downward until abutting against the lower side groove wall of the second limiting groove 212, and the transmission member 30 moves downward from the first position to the second position, so as to drive the movable member 40 to move downward, so that the movable member 40 can act on the pressed end of the driving rod, and the electric rice cooker is in a heating state. When cooking needs to be cancelled or the cooking is in a heat preservation state, the knob 20 is only required to be rotated from the first rotation position to the initial rotation position along the counterclockwise direction, the first limit groove 211 is in driving fit with the first abutting column 32, the second abutting column 35 moves upwards until abutting against the upper side groove wall of the second limit groove 212, and the transmission member 30 moves upwards from the second position to the first position, so that the movable member 40 can be driven to move upwards until the movable member 40 does not apply acting force to the pressed end of the driving rod any more.
Optionally, as shown in fig. 2, a first mark 17 is provided on the face cover 10, a second mark 213 is provided on the knob 20, and the second mark 213 is opposite to the first mark 17 when the knob 20 is in the initial rotation position. The user can know whether the rice cooker is in a cooking state or in a rice cooking (or heat preservation) canceling state by observing the relative positions of the first mark 17 and the second mark 213.
Optionally, a first function indicator 15 and a second function indicator 16 are provided on the face cover 10. The first function indicating lamp 15 may correspond to a cooking function, and the second function indicating lamp 16 may correspond to a warming function, so that the user can quickly acquire the state of the electric rice cooker by observing the state of the indicating lamps.
Referring to fig. 8 to 17, in the second embodiment, the knob 20 has an initial rotation position, a first rotation position and a second rotation position, and when the knob 20 rotates from the initial rotation position to the first rotation position along the first direction, the transmission member 30 moves downward from the first position to the second position; when the knob 20 is rotated in the second direction from the initial position to the second rotational position, the transmission member 30 moves upward from the second position to the first position; the knob switch further comprises an elastic reset member 80, the elastic reset member 80 is used for driving the knob 20 to return to the initial rotation position from the first rotation position or the second rotation position after the external force is removed, and the position of the transmission member 30 is kept unchanged in the process of rotating and resetting the knob 20.
Compared to the first embodiment, in this embodiment, as shown in fig. 20, the width of the first limiting groove 211 is relatively increased, and the elastic restoring member 80 is also added. Referring to fig. 9 to 11, when the knob 20 is at the initial rotation position, the upper side groove wall of the first limiting groove 211 abuts against the first abutting column 32, the lower side groove wall of the first limiting groove 211 is separated from the first abutting column 32, the second abutting column 35 is located at the middle position of the second limiting groove 212 and is separated from the upper and lower side groove walls of the second limiting groove 212, and at this time, the transmission member 30 is located at the first position.
Referring to fig. 12 to 14, when rice needs to be cooked, the knob 20 is manually rotated clockwise, the upper sidewall of the first limiting groove 211 is in driving fit with the first abutting column 32, the second abutting column 35 moves downward until abutting against the lower sidewall of the second limiting groove 212, and the transmission member 30 moves downward from the first position to the second position, so as to drive the movable member 40 to move downward, so that the movable member 40 can act on the pressed end of the driving rod, and the electric rice cooker is in a heating state. After the external force applied to the knob 20 by the user is removed, the elastic resetting piece 80 drives the knob 20 to return to the initial rotating position from the first rotating position, and in the process of rotating and resetting the knob 20, because a certain space is formed between the lower side groove wall of the first limiting groove 211 and the first abutting column 32, the lower side groove wall of the first limiting groove 211 cannot generate acting force on the first abutting column 32, at this time, the transmission piece 30 is still kept at the second position, and the moving piece 40 is kept in a state of abutting against the driving rod, so that the electric rice cooker is kept in a heating state.
Referring to fig. 15 to 17, when rice cooking needs to be cancelled or the rice cooking needs to be in a heat preservation state, the knob 20 is rotated counterclockwise to the second rotation position, the lower side groove wall of the first limiting groove 211 is in driving fit with the first abutting column 32, the second abutting column 35 moves upward until abutting against the upper side groove wall of the second limiting groove 212, and the transmission member 30 moves upward from the second position to the first position, so that the movable member 40 can be driven to move upward until the movable member 40 does not apply an acting force to the driving rod any more. After the external force applied to the knob 20 by the user is removed, the elastic resetting piece 80 drives the knob 20 to return to the initial rotation position from the second rotation position, and in the process of the rotation resetting of the knob 20, because a certain space is formed between the upper side groove wall of the first limit groove 211 and the first butting column 32, the upper side groove wall of the first limit groove 211 cannot generate acting force on the first butting column 32, at this time, the transmission piece 30 is still kept at the first position, and the moving piece 40 cannot apply the acting force to the driving rod.
Alternatively, as shown in fig. 9, a first mark 17 is provided on the face cover 10, a second mark 213 is provided on the knob 20, and the second mark 213 is opposite to the first mark 17 when the knob 20 is in the initial rotation position. Optionally, a first function indicator 15 and a second function indicator 16 are provided on the face cover 10. The first function indicating lamp 15 may correspond to a cooking function, and the second function indicating lamp 16 may correspond to a warming function, so that the user can quickly acquire the state of the electric rice cooker by observing the state of the indicating lamps.
Further, please refer to fig. 23 to 25, the elastic reset member 80 is of a bidirectional torsion spring structure, the elastic reset member 80 includes a first torsion arm 81, a second torsion arm 82 and a third torsion arm 83, a ring platform 53 is disposed on a surface of the fixed member 50 close to the rotating member 60 and on a periphery of the through hole 51, the elastic reset member 80 is sleeved on the periphery of the ring platform 53, a first engaging groove 63, a second engaging groove 64 and a third engaging groove 65 are disposed on a circumferential direction of the rotating member 60, the first torsion arm 81 is engaged with the first engaging groove 63, the second torsion arm 82 is engaged with the second engaging groove 64, the third torsion arm 83 is engaged with the third engaging groove 65, the fixed member 50 is further provided with a plurality of limiting protrusions 54, and the limiting protrusions 54 are used for limiting a rotational displacement of the elastic reset member 80. When the knob 20 is rotated by an external force, the rotating member 60 and the knob 20 rotate synchronously, the elastic reset member 80 can rotate together through the cooperation of the first torsion arm 81 and the first clamping groove 63, the cooperation of the second torsion arm 82 and the second clamping groove 64, and the cooperation of the third torsion arm 83 and the third clamping groove 65, and meanwhile, the elastic reset member 80 is in a compression state through the spacing matching of the plurality of limiting convex parts 54 and the first torsion arm 81, the second torsion arm 82 and the third torsion arm 83 respectively, and after the external force is removed, the elastic reset member 80 can drive the knob 20 to return to an initial rotation position.
The invention also provides an electric cooker which comprises a cooker body and a knob switch arranged on the cooker body. The specific structure of the knob switch can refer to the above embodiments, and the electric cooker adopts all the technical schemes of the above embodiments, so that the electric cooker at least has all the beneficial effects brought by the technical schemes, and the details are not repeated.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A rotary switch, comprising:
a face cover;
the knob comprises a rotating part and a rotating shaft, the rotating part is rotatably connected with the face cover through the rotating shaft, and a first limiting groove is formed in the rotating part;
the transmission part is positioned between the face cover and the rotating part, a guide groove for the rotating shaft to pass through is formed in the transmission part, the rotating shaft is in sliding fit with the guide groove, a first abutting column is arranged on the transmission part, the first abutting column is inserted into the first limiting groove, and when the knob rotates, the first limiting groove is in driving fit with the first abutting column so that the transmission part can slide between a first position and a second position relative to the knob; and
the moving part is located the face lid is kept away from the one side of driving medium, the moving part with the driving medium linkage is connected.
2. The rotary switch according to claim 1, wherein the face cover has a mounting hole, the face cover includes a sleeve portion extending from a periphery of the mounting hole to a side away from the driving member, the movable member is movably sleeved on a periphery of the sleeve portion, the driving member is connected to the movable member through a linkage structure, the face cover has an avoiding hole for the linkage structure to move up and down, a fixing member is disposed at an end of the sleeve portion, a through hole corresponding to the mounting hole is disposed on the fixing member, the rotary shaft sequentially passes through the mounting hole, the sleeve portion and the through hole, one end of the rotary shaft away from the rotating portion is connected to a rotary member, and the rotary member is synchronously linked with the rotating portion.
3. The rotary switch according to claim 2, wherein the movable member includes a connecting portion and a driving portion disposed at a bottom side of the connecting portion, the connecting portion has a movable groove, the connecting portion is movably sleeved at a periphery of the sleeve portion up and down through the movable groove, and the driving portion has a driving groove.
4. The rotary switch according to claim 2, wherein one of the transmission member and the movable member is provided with an insertion post, and the other one of the transmission member and the movable member is provided with an insertion hole, and the insertion post is inserted into and engaged with the insertion hole to form the linkage structure.
5. The rotary switch according to claim 4, wherein one of the transmission member and the movable member is provided with a locking portion, and the other one of the transmission member and the movable member is provided with a locking hole, and the locking portion passes through the avoiding hole and is in locking engagement with the locking hole.
6. The rotary switch according to any one of claims 2 to 5, wherein the transmission member further comprises a second abutting post, the second abutting post and the first abutting post are respectively located at two opposite sides of the width direction of the guide groove, the rotating portion further comprises a second limiting groove, and the second abutting post is movably inserted into the second limiting groove in an up-and-down manner.
7. The rotary switch recited in claim 6, wherein the knob has an initial rotational position and a first rotational position, the transmission moving downward from the first position to the second position when the knob is rotated in a first direction from the initial rotational position to the first rotational position; when the knob rotates from the first rotating position to the initial rotating position along a second direction, the transmission piece moves upwards from the second position to the first position.
8. The rotary switch recited in claim 6, wherein the knob has an initial rotational position, a first rotational position, and a second rotational position, the transmission moving downward from the first position to the second position when the knob is rotated in a first direction from the initial rotational position to the first rotational position; when the knob rotates from the initial position to the second rotating position along a second direction, the transmission piece moves upwards from the second position to the first position; the knob switch further comprises an elastic resetting piece, the elastic resetting piece is used for driving the knob to return to the initial rotating position from the first rotating position or the second rotating position after external force is removed, and in the process of resetting the knob in a rotating mode, the position of the transmission piece is kept unchanged.
9. The rotary switch according to claim 8, wherein the elastic reset member is of a bidirectional torsion spring structure, the elastic reset member includes a first torsion arm, a second torsion arm and a third torsion arm, a ring-shaped platform is disposed on a periphery of the through hole near a surface of the rotating member, the elastic reset member is sleeved on the periphery of the ring-shaped platform, a first clamping groove, a second clamping groove and a third clamping groove are disposed in a circumferential direction of the rotating member, the first torsion arm is clamped in the first clamping groove, the second torsion arm is clamped in the second clamping groove, the third torsion arm is clamped in the third clamping groove, the fixing member is further provided with a plurality of limiting convex portions, and the limiting convex portions are used for limiting a rotational displacement of the elastic reset member.
10. An electric rice cooker comprising the rotary switch according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911419721.5A CN111067370B (en) | 2019-12-31 | 2019-12-31 | Knob switch and electric cooker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911419721.5A CN111067370B (en) | 2019-12-31 | 2019-12-31 | Knob switch and electric cooker |
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| CN111067370A true CN111067370A (en) | 2020-04-28 |
| CN111067370B CN111067370B (en) | 2024-04-12 |
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|---|---|---|---|
| CN201911419721.5A Active CN111067370B (en) | 2019-12-31 | 2019-12-31 | Knob switch and electric cooker |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1444156A (en) * | 1972-10-06 | 1976-07-28 | Philips Nv | Control knob assembly |
| DE19951422A1 (en) * | 1999-10-26 | 2001-05-10 | Aeg Hausgeraete Gmbh | Rotary operating unit for domestic appliance, esp. cooker, has damping element for damping movement of knob from recessed position to operating position |
| CN101192480A (en) * | 2006-11-23 | 2008-06-04 | 英业达股份有限公司 | Rotary knob assembly |
| CN201449918U (en) * | 2009-03-05 | 2010-05-05 | 天佑电器（苏州）有限公司 | Switch mechanism of shredder |
| US20150303009A1 (en) * | 2014-04-17 | 2015-10-22 | Samsung Electronics Co., Ltd. | Rotary knob assembly capable of up-and-down motion |
| CN106013976A (en) * | 2016-06-29 | 2016-10-12 | 佛山市思歌锁业科技有限公司 | Knob device capable of bidirectionally rotating and automatically resetting for lock |
| CN205649383U (en) * | 2016-02-22 | 2016-10-19 | 广东美的生活电器制造有限公司 | Many gears control assembly of cooking utensil and cooking utensil |
| CN205880728U (en) * | 2016-07-11 | 2017-01-11 | 佛山市顺德区美的电热电器制造有限公司 | Encoder rotary switch |
| US20170060170A1 (en) * | 2015-08-25 | 2017-03-02 | Hamilton Beach Brands, Inc. | Toaster Oven Control Knob and Method of Controlling a Toaster Oven |
| CN107773017A (en) * | 2016-08-25 | 2018-03-09 | 浙江苏泊尔家电制造有限公司 | Cooking apparatus |
| EP3312862A1 (en) * | 2016-10-20 | 2018-04-25 | Groupe Brandt | Manual control device for an electrical household appliance |
| CN209216854U (en) * | 2019-01-02 | 2019-08-06 | 佛山市顺德区美的电热电器制造有限公司 | Knob assembly and household electrical appliance component |
| CN211933701U (en) * | 2019-12-31 | 2020-11-17 | 德奥通用航空股份有限公司 | Knob switch and electric cooker |
-
2019
- 2019-12-31 CN CN201911419721.5A patent/CN111067370B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1444156A (en) * | 1972-10-06 | 1976-07-28 | Philips Nv | Control knob assembly |
| DE19951422A1 (en) * | 1999-10-26 | 2001-05-10 | Aeg Hausgeraete Gmbh | Rotary operating unit for domestic appliance, esp. cooker, has damping element for damping movement of knob from recessed position to operating position |
| CN101192480A (en) * | 2006-11-23 | 2008-06-04 | 英业达股份有限公司 | Rotary knob assembly |
| CN201449918U (en) * | 2009-03-05 | 2010-05-05 | 天佑电器（苏州）有限公司 | Switch mechanism of shredder |
| US20150303009A1 (en) * | 2014-04-17 | 2015-10-22 | Samsung Electronics Co., Ltd. | Rotary knob assembly capable of up-and-down motion |
| US20170060170A1 (en) * | 2015-08-25 | 2017-03-02 | Hamilton Beach Brands, Inc. | Toaster Oven Control Knob and Method of Controlling a Toaster Oven |
| CN205649383U (en) * | 2016-02-22 | 2016-10-19 | 广东美的生活电器制造有限公司 | Many gears control assembly of cooking utensil and cooking utensil |
| CN106013976A (en) * | 2016-06-29 | 2016-10-12 | 佛山市思歌锁业科技有限公司 | Knob device capable of bidirectionally rotating and automatically resetting for lock |
| CN205880728U (en) * | 2016-07-11 | 2017-01-11 | 佛山市顺德区美的电热电器制造有限公司 | Encoder rotary switch |
| CN107773017A (en) * | 2016-08-25 | 2018-03-09 | 浙江苏泊尔家电制造有限公司 | Cooking apparatus |
| EP3312862A1 (en) * | 2016-10-20 | 2018-04-25 | Groupe Brandt | Manual control device for an electrical household appliance |
| CN209216854U (en) * | 2019-01-02 | 2019-08-06 | 佛山市顺德区美的电热电器制造有限公司 | Knob assembly and household electrical appliance component |
| CN211933701U (en) * | 2019-12-31 | 2020-11-17 | 德奥通用航空股份有限公司 | Knob switch and electric cooker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111067370B (en) | 2024-04-12 |
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