CN114431737A - Connecting device and cooking utensil - Google Patents
Connecting device and cooking utensil Download PDFInfo
- Publication number
- CN114431737A CN114431737A CN202011232723.6A CN202011232723A CN114431737A CN 114431737 A CN114431737 A CN 114431737A CN 202011232723 A CN202011232723 A CN 202011232723A CN 114431737 A CN114431737 A CN 114431737A
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- coupling
- teeth
- connecting device
- tooth
- coupler
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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
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
- A47J43/0716—Parts or details, e.g. mixing tools, whipping tools for machines with tools driven from the lower side
- A47J43/0722—Mixing, whipping or cutting tools
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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
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/046—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Food-Manufacturing Devices (AREA)
- Cookers (AREA)
Abstract
The invention relates to the field of cooking equipment, and provides a connecting device and a cooking appliance, wherein the connecting device comprises: the first coupling mechanism comprises a first coupling; a second coupling mechanism including a second coupling; one of the first coupling mechanism and the second coupling mechanism is an elastic mechanism, and the elastic mechanism is suitable for being switched between a first position and a second position, wherein the first coupling and the second coupling abut to enable the elastic mechanism to deform, and the first coupling and the second coupling are locked in the second position. The elastic mechanism deforms at the first position, so that the positions of the first coupler and the second coupler are changed, and the elastic mechanism recovers deformation in the rotating process, so that the first coupler and the second coupler are locked.
Description
Technical Field
The invention relates to the field of cooking equipment, in particular to a connecting device and a cooking appliance.
Background
The bottom of the stirring pot body is provided with a stirring component, and an upper coupler and a lower coupler are adopted for separation and reunion. When a pot body filled with food is placed into the shell, the tooth part of the upper coupler just faces the tooth part of the lower coupler, the stirring blade can be clamped by food materials, the lower coupler cannot deflect due to the fact that the motor is provided with the speed reducing mechanism, the upper coupler and the lower coupler cannot be disengaged correctly, the pot body cannot be placed at the correct position of the shell, the machine cannot work, and user experience is very poor.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a connecting device and a cooking utensil, which are used for solving the problem that the existing coupling cannot be correctly clutched.
The invention also provides a connecting device.
According to an embodiment of the first aspect of the present invention, the connecting device includes:
the first coupling mechanism comprises a first coupling;
a second coupling mechanism including a second coupling;
one of the first coupling mechanism and the second coupling mechanism is an elastic mechanism, the elastic mechanism is suitable for being switched between a first position and a second position, the first coupling and the second coupling abut at the first position to enable the elastic mechanism to deform, and the first coupling and the second coupling are locked at the second position.
According to the connecting device provided by the embodiment of the invention, the elastic mechanism deforms at the first position, so that the positions of the first coupler and the second coupler are changed, and the elastic mechanism recovers deformation in the rotating process, so that the first coupler and the second coupler are locked, and the whole process does not need manual intervention, and the use is more convenient.
According to an embodiment of the present invention, the first coupling mechanism is an elastic mechanism, further comprising:
the side, facing away from the second coupling, of the first coupling is connected with the end part of the first driving shaft;
the elastic element is sleeved on the first driving shaft and is abutted against one side, away from the second coupler, of the first coupler;
the first coupling and the second coupling are provided with intermeshing teeth.
According to one embodiment of the invention, one end of the tooth of the first coupling, which is close to the second coupling, is provided with a first guide surface; one end of the tooth part of the second coupler, which is close to the first coupler, is provided with a second guide surface matched with the first guide surface.
According to an embodiment of the invention, the first guide surface and the second guide surface are both inclined surfaces or have a V-shaped cross section.
According to one embodiment of the invention, the resilient member is a helical compression spring or a wave spring.
According to one embodiment of the invention, the first coupling mechanism is an elastic mechanism, and one side of the first coupling close to the second coupling is provided with a tooth part with elasticity; the second coupling comprises a mounting surface close to the first coupling and a groove part formed on the mounting surface; in the first position, the tooth portion abuts the fitting face; and at the second position, the tooth part is clamped in the groove part.
According to an embodiment of the present invention, the first coupling mechanism is an elastic mechanism, a tooth portion having elasticity is provided on an edge of the first coupling on a side close to the second coupling, a tooth portion is provided on an outer peripheral surface of the second coupling, the tooth portion of the second coupling abuts against the tooth portion of the first coupling in the first position, and the tooth portion of the second coupling is engaged with the tooth portion of the first coupling in the second position.
According to an embodiment of the invention, the end of the teeth of the second coupling near the first coupling is provided with a flat surface against which the end of the teeth of the first coupling near the second coupling abuts in the first position, such that the teeth of the first coupling are bent radially inwards.
According to one embodiment of the present invention, the tooth portions of the second coupling have a trapezoidal cross section, and a groove portion is formed between two adjacent tooth portions, and the cross section of the groove portion is also trapezoidal.
According to an embodiment of the invention, an inner diameter of an end of the first coupling close to the second coupling is larger than an inner diameter of an end of the first coupling remote from the second coupling, and in the first position, the teeth of the second coupling abut against an inner wall of the teeth of the first coupling such that the teeth of the first coupling are spread radially outwards, or the teeth of the second coupling abut against an outer wall of the teeth of the first coupling such that the teeth of the first coupling are contracted radially inwards.
According to one embodiment of the invention the teeth of the second coupling are provided with an inclined guide surface near one end of the first coupling.
According to one embodiment of the invention, the second coupling is provided with a cavity inside, and the cavity is provided with a positioning hole near the bottom wall of the first coupling.
According to a second aspect of the present invention, there is provided a cooking appliance comprising a housing and a pot, the cooking appliance further comprising the connecting device as described above, one of the housing and the pot being provided with the first coupling, and the other being provided with the second coupling.
One or more technical solutions in the embodiments of the present invention have at least one of the following technical effects:
according to the connecting device provided by the embodiment of the invention, the elastic mechanism deforms at the first position, so that the positions of the first coupler and the second coupler are changed, and the elastic mechanism recovers deformation in the rotating process, so that the first coupler and the second coupler are locked, and the whole process does not need manual intervention, and the use is more convenient.
Furthermore, by using the above-mentioned connecting device, after the pot body is placed in the housing, the elastic mechanism can deform at the first position under the action of external force, so that the positions of the first coupler and the second coupler change, and the pot body can be placed at the correct position of the housing, and the elastic mechanism recovers deformation when the motor drives the elastic mechanism, the first coupler and the second coupler to rotate, so that the first coupler and the second coupler are locked, the motor can drive the stirring blades to rotate, and the use is more convenient because manual intervention is not needed in the whole process.
In addition to the technical problems addressed by the present invention, the technical features of the constituent technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical features of the present invention and the advantages brought by the technical features of the present invention will be further described with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a first coupling and a second coupling abutting each other according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a first coupling and a second coupling when locked according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a side view cross-sectional structure of the electric pressure cooker when the first coupling and the second coupling abut;
FIG. 4 is a schematic view of a portion A of FIG. 3;
FIG. 5 is a schematic diagram of a side sectional structure of the electric pressure cooker when the first coupling and the second coupling are locked according to the embodiment of the present invention;
FIG. 6 is a side view of the first coupling and the second coupling in abutment according to an embodiment of the present invention;
FIG. 7 is a side view schematic illustration of the first coupling and the second coupling when locked according to an embodiment of the present invention;
fig. 8 is a schematic top view of the first coupling and the second coupling in abutment according to the embodiment of the present invention;
fig. 9 is a schematic top view of the first coupling and the second coupling when locked according to the embodiment of the present invention.
Reference numerals:
100. a housing; 102. a pot cover; 104. a pan body; 106. a second coupling; 108. a first coupling; 110. an elastic member; 120. a fixing member; 122. a first drive shaft; 124. a connecting shaft; 126. stirring blades; 128. a tooth portion; 130. and a groove part.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 9, the connecting device includes a first coupling mechanism including a first coupling 108 and a second coupling mechanism; the second coupling mechanism includes a second coupling 106; one of the first and second coupling mechanisms is a resilient mechanism adapted to be switched between a first position, in which the first and second couplings 108, 106 abut so that the resilient mechanism is deformed, and a second position, in which the first and second couplings 108, 106 are locked.
The elastic mechanism deforms at the first position, so that the positions of the first coupler 108 and the second coupler 106 are changed, and the elastic mechanism recovers deformation in the rotating process, so that the first coupler 108 and the second coupler 106 are locked, and the whole process does not need manual intervention, and the use is more convenient.
The elastic means may be deformed by being compressed in the axial direction (the axial direction refers to the axial direction of the first drive shaft of the first coupling mechanism) or by being bent in the radial direction (the radial direction refers to the radial direction of the first drive shaft). The elastic mechanism is suitable for switching between a first position and a second position, which refers to the switching of states, and the mechanism which is deformed can be a coupler or an elastic member 110. The first position and the second position are two opposite positions, the first position refers to a position corresponding to the first coupling 108 and the second coupling 106 starting to abut, and the second position refers to a position corresponding to the first coupling 108 and the second coupling 106 locking. The locking may be by engagement of the teeth 128 of the two couplings with the teeth 128, or by engagement of the teeth 128 of one coupling with the grooves 130 of the other coupling, so that the two couplings are connected together and when one coupling rotates, the other coupling also rotates.
In an embodiment of the invention, referring to fig. 1 and 2, the connection arrangement comprises a first coupling mechanism and a second coupling mechanism, the second coupling mechanism comprising a second coupling 106; the first coupling mechanism includes a first drive shaft 122, a first coupling 108, and a resilient member 110. The side of the first coupling 108 facing away from the second coupling 106 is connected to the end of the first driving shaft 122, the edge of the first coupling 108 near the second coupling 106 is provided with teeth 128, the teeth 128 of the first coupling 108 are distributed at intervals, and a groove 130 is formed between two adjacent teeth 128. The outer peripheral surface of the second coupling 106 is provided with tooth portions 128, the tooth portions 128 of the second coupling 106 are spaced apart, and a groove portion 130 is formed between two adjacent tooth portions 128. The elastic element 110 is sleeved on the first driving shaft 122 and abuts against a side of the first coupling 108 away from the second coupling 06.
In the first position, the first coupling 108 and the second coupling 106 abut, and the elastic member 110 is compressed in the axial direction, so that the first coupling 108 and the second coupling 106 move a distance in a direction approaching the elastic member 110. When the first driving shaft 122 drives the first coupling 108 to rotate, the first coupling 108 and the second coupling 106 rotate relatively, when the first driving shaft 122 rotates to the second position, the tooth portion 128 of the first coupling 108 is completely staggered with the tooth portion 128 of the second coupling 106, the tooth portion 128 of the first coupling 108 enters the groove portion 130 of the second coupling 106, the tooth portion 128 of the second coupling 106 enters the groove portion 130 of the second coupling 106, and at this time, the elastic member 110 is deformed again, and the first coupling 108 is engaged with the second coupling 106.
It should be noted that, in the present embodiment, the elastic member 110 is a helical compression spring, but the type of the elastic member 110 is not limited to this, and may also be a plate spring, a wave spring or a device with the same function, when the elastic member 110 is a helical compression spring or a wave spring, the elastic member 110 is sleeved on the first driving shaft 122, the elastic member 110 abuts against a side of the first coupling 108 away from the second coupling 106, when the elastic member 110 is a plate spring, the plate spring is disposed on a side of the first driving shaft 122, and one end of the plate spring abuts against the first coupling 108.
In the present embodiment, one end of the tooth 128 of the first coupling 108 near the second coupling 106 is provided with a first guide surface; the end of the teeth 128 of the second coupling 106 near the first coupling 108 is provided with second guide surfaces that mate with the first guide surfaces. The first guide surface and the second guide surface cooperate to guide the tooth portion 128 of the first coupling 108 and the tooth portion 128 of the second coupling 106, so that the tooth portion 128 of the first coupling 108 enters the groove portion 130 of the second coupling 106, and the tooth portion 128 of the second coupling 106 enters the groove portion 130 of the second coupling 106. The V-shaped guide surface guides the teeth 128 of the two couplings into the corresponding grooves 130 regardless of whether the first coupling 108 is rotated in a forward direction by a certain angle or in a reverse direction by a certain angle.
In the present embodiment, the first guide surface and the second guide surface are each formed in a V-shape in cross section (the direction of the cross section is along the longitudinal direction of the tooth portion), but the shape of the guide surface is not limited thereto, and may be a slope or another type of guide surface.
The cross section of the tooth part 128 of the second coupling 106 is trapezoidal, the cross section of the groove part 130 of the first coupling 108 is also trapezoidal, when the tooth part 128 of the first coupling 108 is meshed with the tooth part 128 of the second coupling 106, because the shapes of the tooth part 128 and the groove part 130 are matched, the clearance between the tooth part 128 of the first coupling 108 and the tooth part 128 of the second coupling 106 is small, the first coupling 108 and the second coupling 106 are prevented from being worn due to relative rotation in the rotation process, and the service life of the couplings is prolonged. The second coupling 106 is provided with a cavity therein, and the cavity is provided with a positioning hole near the bottom wall of the first coupling 108. The cavity is used to receive an end of the connecting shaft 124, and the positioning hole is used to position the connecting shaft 124 to prevent the connecting shaft 124 and the second coupling 106 from rotating relative to each other during rotation.
Specifically, the connecting device provided by the embodiment of the invention is applied to an electric pressure cooker as an example to be described below.
Referring to fig. 3, 4, 5, 6 and 7, the connecting device includes a first coupling mechanism and a second coupling mechanism. The first coupling mechanism comprises a first driving shaft 122, a first coupling 108 and an elastic element 110, one side of the first coupling 108, which is far away from the second coupling 106, is connected with the end part of the first driving shaft 122, the end part of the first driving shaft 122 is fastened with the first coupling 108 through a fixing element 120, and one end of the first driving shaft 122, which is far away from the first coupling 108, is connected with a rotating shaft of the motor. The edge of the first coupling 108 on the side close to the second coupling 106 is provided with teeth 128, the teeth 128 of the first coupling 108 are spaced apart, and a groove 130 is formed between two adjacent teeth 128. The first coupling 108 has a first guide surface with a V-shaped cross section at an end of the tooth 128 adjacent to the second coupling 106.
The second coupling mechanism comprises a second coupling 106, the second coupling 106 is positioned above the first coupling 108, and the second coupling 106 is connected with a stirring blade 126 in the pot body 104 through a connecting shaft 124. The outer peripheral surface of the second coupling 106 is provided with tooth portions 128, the tooth portions 128 of the second coupling 106 are spaced apart, and a groove portion 130 is formed between two adjacent tooth portions 128. One end of the tooth 128 of the second coupling 106 near the first coupling 108 is provided with a second guide surface matching the first guide surface, and the cross section of the first guide surface is V-shaped. The tooth portions 128 of the second coupling 106 are trapezoidal in cross-section, and the groove portions 130 of the first coupling 108 are also trapezoidal in cross-section. The second coupling 106 is provided with a cavity therein, and the cavity is provided with a positioning hole near the bottom wall of the first coupling 108. The lower end of the connecting shaft 124 is inserted into the cavity, the connecting shaft 124 is positioned by the positioning hole, and the connecting shaft 124 is fastened by the fixing member 120. In this embodiment, the fixing element 120 is a screw, the elastic element 110 is a helical compression spring in this embodiment, the elastic element 110 is sleeved on the first driving shaft 122, an upper end of the elastic element 110 abuts against a side of the first coupler 108 away from the second coupler 106, and a lower end of the elastic element 110 abuts against a bottom of the housing 100.
In use, after the pan body 104 is placed in the housing 100, the first coupling 108 and the second coupling 106 may face each other due to the stirring blade 126 being stuck by food, at this time, the first coupling 108 and the second coupling 106 in the first position abut against each other, the elastic member 110 is compressed in the axial direction, and the first coupling 108 and the second coupling 106 move a distance in a direction close to the elastic member 110, that is, move a distance downward. At this time, the pot body 104 can be placed at the right position of the housing 100, and the pot cover 102 can be covered in place. When the motor drives the first coupling 108 to rotate through the first driving shaft 122, the second coupling 106 cannot rotate because the stirring blades 126 are stuck by food, the first coupling 108 and the second coupling 106 rotate relatively, when the motor rotates to the second position, the tooth part 128 of the first coupling 108 and the tooth part 128 of the second coupling 106 are completely staggered, under the matching of the first guide surface and the second guide surface, the tooth part 128 of the first coupling 108 enters the groove part 130 of the second coupling 106, the tooth part 128 of the second coupling 106 enters the groove part 130 of the second coupling 106, at this time, the first coupling 108 moves upward by one end distance, the elastic element 110 recovers deformation, the first coupling 108 is meshed with the second coupling 106, and the first coupling 108 drives the stirring blades 126 to rotate through the second coupling 106, so as to stir the food materials in the pot body 104.
By using the connecting device, after the pot body 104 is placed into the casing 100, the elastic mechanism can deform at the first position under the action of external force, so that the positions of the first coupler 108 and the second coupler 106 change, and further the pot body 104 can be placed at the correct position of the casing 100, the elastic mechanism is driven by the motor, and the elastic mechanism recovers deformation in the rotating process of the first coupler 108 and the second coupler 106, so that the first coupler 108 and the second coupler 106 are locked, the motor can be ensured to drive the stirring blade 126 to rotate, and the use is more convenient because the whole process does not need manual intervention.
It should be noted that the connecting device can be used for not only an electric pressure cooker, but also an electric cooker or a transmission shaft, and the application field of the connecting device is not limited by the application.
In the embodiment of the present invention, the connection device includes a first coupling mechanism and a second coupling mechanism, the first coupling mechanism is an elastic mechanism in this embodiment, the first coupling mechanism includes a first coupling 108, a tooth portion 128 with elasticity is disposed on a side of the first coupling 108 close to the second coupling 106, and the tooth portion 128 with elasticity can be made of rubber or metal steel, and has elasticity and certain hardness. The second coupling mechanism includes a second coupling 106, the second coupling 106 includes a fitting surface adjacent to the first coupling 108, and a groove portion 130 formed on the fitting surface, and a shape of the groove portion 130 is matched with a shape of the tooth portion 128. In the first position, the teeth 128 of the first coupling 108 abut the mounting surface, with a greater distance between the first coupling 108 and the second coupling 106. In the second position, the tooth portion 128 of the first coupling 108 is engaged with the groove portion 130, the first coupling 108 can drive the second coupling 106 to rotate through the engagement between the tooth portion 128 and the groove portion 130, and at this time, the tooth portion 128 is located in the groove portion 130, and the distance between the first coupling 108 and the second coupling 106 is reduced, so that the pot 104 can be placed at the correct position of the casing 100.
Referring to fig. 8 and 9, in the embodiment of the present invention, the connection device includes a first coupling mechanism and a second coupling mechanism, the first coupling mechanism is an elastic mechanism in this embodiment, the first coupling mechanism includes a first coupling 108, an edge of one side of the first coupling 108 close to the second coupling 106 is provided with an elastic tooth portion 128, and the elastic tooth portion 128 may be made of rubber or metal steel. The first coupling 108 has an inner diameter at an end thereof near the second coupling 106 that is larger than an inner diameter at an end thereof facing away from the second coupling 106 to ensure that the second coupling 106 can partially or completely enter the interior of the first coupling 108. The second coupling mechanism comprises a second coupling 106, the outer periphery of the second coupling 106 is provided with teeth 128, the teeth 128 of the second coupling 106 are arranged at intervals, one end, close to the first coupling 108, of the teeth 128 of the second coupling 106 is provided with an inclined guide surface, and the inclined guide surface is arranged to enable the second coupling 106 to accurately enter the first coupling 108. In the first position, the teeth 128 of the second coupling 106 abut the teeth 128 of the first coupling 108, and in this embodiment, the end of the teeth 128 of the second coupling 106 near the first coupling 108 abuts the inner wall of the teeth 128 of the first coupling 108, causing the teeth 128 of the first coupling 108 to spread radially outward. In the second position, the teeth 128 of the second coupling 106 are engaged with the teeth 128 of the first coupling 108. Compared with the connecting device in the above embodiment, the connecting device in this embodiment deforms through the teeth 128 of the first coupling 108, and the elastic member 110 is omitted, so that the structure of the connecting device is simpler, and the production cost of the connecting device is reduced.
Of course, the teeth 128 of the second coupling 106 may abut against the outer wall of the teeth 128 of the first coupling 108, so that the teeth 128 of the first coupling 108 contract radially inward, which also meets the above-mentioned use condition of the connection device.
In an embodiment of the present invention, the connecting device includes a first coupling mechanism and a second coupling mechanism, the first coupling mechanism is an elastic mechanism in this embodiment, the first coupling mechanism includes a first coupling 108, a tooth portion 128 is disposed on an edge of the first coupling 108 near a side of the second coupling 106, the tooth portions 128 of the first coupling 108 are spaced apart, and a groove portion 130 is formed between two adjacent tooth portions 128. The second coupling mechanism comprises a second coupling 106, a tooth part 128 is arranged on the edge of one side, close to the first coupling 108, of the second coupling 106, the tooth parts 128 of the second coupling 106 are arranged at intervals, and a groove part 130 is formed between every two adjacent tooth parts 128. The teeth 128 of the second coupling 106 are provided with flats near one end of the first coupling 108 in order to provide a larger contact surface when the teeth 128 of the second coupling 106 abut the teeth 128 of the first coupling 108. In the first position, the end of the teeth 128 of the first coupling 108 adjacent the second coupling 106 abuts a flat surface such that the teeth 128 of the first coupling 108 flex radially inward, and at this time neither coupling enters into each other, but the teeth 128 of the first coupling 108 flex radially, such that the overall length of both couplings is reduced.
In the cooking appliance provided by the embodiment of the second aspect of the present invention, the cooking appliance includes the housing 100 and the pot body 104, the cooking appliance further includes the above-mentioned connecting device, one of the housing 100 and the pot body 104 is provided with the first coupling mechanism, and the other is provided with the second coupling mechanism. Wherein, the first coupling mechanism is connected with the stirring blade 126 arranged in the pot body 104, the second coupling mechanism is connected with the motor arranged at the bottom of the shell 100, and one of the first coupling mechanism and the second coupling mechanism is an elastic mechanism. As mentioned above, the cooking appliance can be an electric pressure cooker or an electric cooker, and can also be other appliances requiring a connecting device.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (13)
1. A connection device, comprising:
a first coupling mechanism comprising a first coupling (108);
a second coupling mechanism comprising a second coupling (106);
one of the first coupling mechanism and the second coupling mechanism is an elastic mechanism which is suitable for switching between a first position and a second position, wherein the first coupling (108) and the second coupling (106) are abutted so as to enable the elastic mechanism to deform, and wherein the first coupling (108) and the second coupling (106) are locked.
2. The connecting device according to claim 1, wherein the first coupling mechanism is an elastic mechanism, further comprising:
a first drive shaft (122), the side of the first coupling (108) facing away from the second coupling (106) connecting the ends of the first drive shaft (122);
the elastic piece (110) is sleeved on the first driving shaft (122) and is abutted against one side, away from the second coupler (106), of the first coupler (108);
the first coupling (108) and the second coupling (106) are provided with intermeshing teeth (128).
3. The connecting device according to claim 2, characterized in that the end of the teeth (128) of the first coupling (108) near the second coupling (106) is provided with a first guiding surface; one end of the tooth part (128) of the second coupling (106) close to the first coupling (108) is provided with a second guide surface matched with the first guide surface.
4. A connection device according to claim 3, wherein the first and second guide surfaces are both inclined or V-shaped in cross-section.
5. A connection device according to any of claims 2 to 4, wherein the resilient member is a helical compression spring or a wave spring.
6. The connecting device according to claim 1, characterized in that the first coupling mechanism is a resilient mechanism, and a side of the first coupling (108) adjacent to the second coupling (106) is provided with a resilient tooth portion (128); the second coupling (106) comprises a mounting surface adjacent to the first coupling (108), and a groove portion (130) formed in the mounting surface; in the first position, the tooth (128) abuts the mounting face; in the second position, the tooth sections (128) are snapped into the groove sections (130).
7. The connecting device according to claim 1, wherein the first coupling mechanism is an elastic mechanism, a tooth portion (128) having elasticity is provided on an edge of the first coupling (108) on a side close to the second coupling (106), a tooth portion (128) is provided on an outer circumferential surface of the second coupling (106), the tooth portion (128) of the second coupling (106) abuts against the tooth portion (128) of the first coupling (108) in the first position, and the tooth portion (128) of the second coupling (106) is engaged with the tooth portion (128) of the first coupling (108) in the second position.
8. The connecting device according to claim 7, characterized in that an end of the teeth (128) of the second coupling (106) near the first coupling (108) is provided with a flat surface against which an end of the teeth (128) of the first coupling (108) near the second coupling (106) abuts in the first position, such that the teeth (128) of the first coupling (108) are bent radially inwards.
9. The connecting device according to claim 8, characterized in that the tooth sections (128) of the second coupling (106) have a trapezoidal cross section, a slot section (130) is formed between two adjacent tooth sections (128), and the slot section (130) has a trapezoidal cross section.
10. The connecting device according to claim 7, characterized in that the first coupling (108) has a larger inner diameter at the end close to the second coupling (106) than at the end facing away from the second coupling (106);
in the first position, the teeth (128) of the second coupling (106) abut an inner wall of the teeth (128) of the first coupling (108) such that the teeth (128) of the first coupling (108) are splayed radially outward, or the teeth (128) of the second coupling (106) abut an outer wall of the teeth (128) of the first coupling (108) such that the teeth (128) of the first coupling (108) are shrunk radially inward.
11. The connecting device according to claim 10, characterized in that the end of the tooth (128) of the second coupling (106) near the first coupling (108) is provided with an inclined guide surface.
12. The connecting device according to any one of claims 1 to 4 or 7 to 11, characterized in that the interior of the second coupling (106) is provided with a cavity, which cavity is provided with a positioning hole near the bottom wall of the first coupling (108).
13. A cooking appliance comprising a housing and a pot, characterized in that the cooking appliance further comprises a connecting device according to any one of claims 1 to 12, one of the housing and the pot being provided with the first coupling mechanism and the other being provided with the second coupling mechanism.
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| Publication number | Publication date |
|---|---|
| CN114431737B (en) | 2023-09-22 |
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