CN109984582B - Pot cover and cooking utensil - Google Patents

Abstract

The invention discloses a pot cover and a cooking appliance, wherein the pot cover comprises: an upper cover; the locking cover is rotatably arranged on the upper cover and is provided with cover teeth; a motor mounted to the upper cover and having a motor shaft; the transmission assembly is in transmission fit with the motor shaft and the lock cover respectively; wherein the transmission assembly is configured to transmit the rotational motion of the motor shaft to the locking cap when the motor is powered on, and to disconnect the transmission connection with the motor shaft to transmit the rotational motion of itself to the locking cap when the motor is powered off, such that the locking cap achieves forward and reverse rotation. According to the pot cover, automatic cover opening and closing can be achieved, manual cover opening and closing can be achieved easily under the power-off condition, and the pot cover is convenient to use.

Description

Pot cover and cooking utensil

Technical Field

The invention relates to the technical field of cooking appliances, in particular to a pot cover and a cooking appliance with the pot cover.

Background

Cooking appliances (e.g., electric pressure cookers) in the related art typically open and close a lid by rotating a handle. For example, when the cover is opened, firstly, the handle is rotated clockwise to make the cover teeth of the upper cover of the electric pressure cooker and the pot teeth of the pot body separated in a staggered way, and then the cover opening button is pressed to make the upper cover and the pot body buckled and unlocked, so that the cover opening process of the electric pressure cooker is realized; when the cover is closed, the upper cover is firstly covered on the pot body, so that the cover opening button can lock the upper cover with the pot body, and then the handle is rotated along the anticlockwise direction, so that the cover teeth of the upper cover and the pot teeth of the pot body are overlapped and locked, and the cover closing process of the electric pressure cooker is realized.

Therefore, when the electric pressure cooker is used, a user can open and close the cooker cover only by completing the steps, and the electric pressure cooker is not convenient to use. In the using process, a user needs to apply a large rotating moment to the rotating handle, but when the handle with a small volume is rotated, the user rotates very hard; when the handle with larger volume of the rotating body is used, the rotating process of the rotating handle needs larger operation space, thereby bringing inconvenience to the use of the electric pressure cooker.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the pot cover convenient to use.

The invention also provides a cooking appliance with the pot cover.

According to an embodiment of the first aspect of the invention, the pot lid comprises: an upper cover; the locking cover is rotatably arranged on the upper cover and is provided with cover teeth; a motor mounted to the upper cover and having a motor shaft; the transmission assembly is in transmission fit with the motor shaft and the lock cover respectively; wherein the transmission assembly is configured to transmit rotational movement of the motor shaft to the latch cover when the motor is energized and to break a transmission connection with the motor shaft to transmit rotational movement of itself to the latch cover when the motor is de-energized.

The pot cover provided by the embodiment of the invention has the advantages that the structure is simple, the use is convenient, the automatic cover opening and closing can be realized by automatically rotating the locking cover, and in addition, the manual cover opening and closing can be easily realized without overcoming the force of a motor or manually connecting a battery under the power-off condition.

In addition, the pot cover according to the embodiment of the invention also has the following additional technical characteristics:

according to some embodiments of the invention, the transmission assembly comprises: the bidirectional clutch bearing is provided with an outer ring and an inner ring, and the inner ring of the bidirectional clutch bearing is in transmission connection with the motor shaft and is driven by the motor shaft to rotate; the linkage slider, the one end of linkage slider with two-way clutch bearing's outer lane transmission is connected and the other end with the locking closure transmission is connected, two-way clutch bearing's outer lane is in when the motor circular telegram with the rotary motion transmission of motor shaft extremely the linkage slider is in order to drive the locking closure rotates, two-way clutch bearing's outer lane is in when the motor outage by the linkage slider drive is rotatory and the disconnection with the transmission of inner circle is connected.

Further, the linkage slider is equipped with the adaptation groove, the locking closure be equipped with adaptation groove complex projection, the upper cover is equipped with first arc wall, the centre of a circle of first arc wall is located on the axis of rotation of locking closure, projection slidable ground cooperation is in the first arc wall, the projection is equipped with supports along, the projection passes first arc wall just support along the hook in the linkage slider.

Advantageously, the upper cover is provided with a plurality of second arc-shaped grooves, the circle center of each second arc-shaped groove is located on the rotation axis of the lock cover, the lock cover is provided with a plurality of positioning columns, the positioning columns and the protruding columns are arranged at equal intervals along the circumferential direction of the lock cover, and the positioning columns penetrate through the second arc-shaped grooves in a one-to-one correspondence manner and are respectively hooked on the upper cover.

In some embodiments of the invention, the linkage slider has a receiving cavity, and the bidirectional clutch bearing is disposed in the receiving cavity.

Further, the outer ring of the bidirectional clutch bearing is provided with a first connecting portion, the inner side wall of the accommodating cavity is provided with a second connecting portion, and the first connecting portion is in transmission connection with the second connecting portion.

Furthermore, the first connecting portion is a groove, and the second connecting portion is a rib matched with the groove.

Optionally, the motor shaft extends in a vertical direction and the linkage slider extends in a horizontal direction.

Advantageously, the central axis of the motor shaft coincides with the axis of rotation of the locking cap.

According to some embodiments of the invention, the upper cover is provided with a manual handle connected to the transmission assembly, the manual handle being adapted to drive the transmission assembly to rotate when the motor is de-energized.

A cooking appliance according to an embodiment of the second aspect of the present invention includes: a pan body having pan teeth; according to the cooker cover disclosed by the embodiment of the first aspect of the invention, the cooker cover is arranged on the cooker body, and the locking cover enables the cover teeth to be buckled with and separated from the cooker teeth through forward and reverse rotation.

According to the cooking utensil provided by the embodiment of the invention, the cover can be automatically opened and closed by automatically rotating the locking cover, and the cover can be easily opened and closed manually without overcoming the force of a motor or manually connecting a battery under the condition of power failure, so that the cooking utensil is convenient to use.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Figure 1 is an exploded view of a lid according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a pot cover according to an embodiment of the present invention;

FIG. 3 is an exploded view of a motor and transmission assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a cooking appliance according to an embodiment of the present invention.

Reference numerals:

the cooking appliance 1 is provided with a cooking device,

thepot cover 10 is provided with a pot cover,

anupper cover 100, a first arc-shaped groove 101, a second arc-shaped groove 102,

alock cover 200, acover tooth 201, a convexcolumn 210, a supportingedge 211, apositioning column 220,

the position of themotor 300, themotor shaft 301,

thetransmission assembly 400, the bidirectional clutch bearing 410, thefirst connection portion 411, thelinkage slider 420, thefitting groove 421, thereceiving cavity 422, thesecond connection portion 423,

and apan body 20.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Apot lid 10 according to an embodiment of the first aspect of the present invention is described below with reference to the accompanying drawings. For example, thelid 10 may be used in an electric pressure cooker.

As shown in fig. 1 to 4, apot cover 10 according to an embodiment of the present invention includes: theupper cover 100, thelocking cover 200, themotor 300 and thetransmission assembly 400.

Specifically, thelocking cap 200 is rotatably mounted to theupper cap 100, and thelocking cap 200 has acap tooth 201, and thecap tooth 201 is engaged with a pot tooth of the pot body. Here, thelocking cover 200 may be a locking ring or a metal cover. Themotor 300 is mounted to theupper cover 100, and themotor 300 has amotor shaft 301. Thetransmission assembly 400 is in transmission fit with themotor shaft 301 and thelocking cover 200 respectively.

Wherein thetransmission assembly 400 is configured to transmit the rotational motion of themotor shaft 301 to thelatch cover 200 when themotor 300 is powered on, and to disconnect the transmission connection with themotor shaft 301 to transmit the rotational motion of itself to thelatch cover 200 when themotor 300 is powered off.

In other words, when themotor 300 is powered on, themotor shaft 301 drives thetransmission assembly 400 to rotate, and thetransmission assembly 400 transmits power to thelocking cover 200, so as to drive thelocking cover 200 to rotate in the forward and reverse directions; when themotor 300 is powered off, thetransmission assembly 400 rotates and transmits power to thelocking cover 200 to drive thelocking cover 200 to rotate in the forward and reverse directions, and at the same time, themotor shaft 301 does not rotate, so that the torque of themotor 300 does not need to be overcome.

Here, when thelocking cover 200 rotates forward, thecover teeth 201 are buckled with the pot teeth; when thelocking cover 200 is rotated reversely, thecover teeth 201 and the pot teeth are disengaged from each other. Of course, thecover teeth 201 can also be buckled with the pot teeth when thelocking cover 200 rotates reversely; when thelocking cover 200 is rotated in the forward direction, thecover teeth 201 and the pot teeth are disengaged from each other. Here, the forward rotation of thelocking cap 200 may be defined as a clockwise rotation, and the reverse rotation may be defined as a counterclockwise rotation.

According to thepot cover 10 provided by the embodiment of the invention, automatic cover opening and closing can be realized, and manual cover opening and closing can be easily realized without overcoming the force of themotor 300 or manually connecting a battery under the condition of power failure, so that the pot cover is convenient to use.

According to some embodiments of the present invention, theupper cover 100 is provided with a manual handle connected to thetransmission assembly 400 for driving thetransmission assembly 400 to rotate when themotor 300 is de-energized. Therefore, the cover can be opened and closed manually by a user when the power is off.

According to some embodiments of the present invention, as shown in fig. 1-3, atransmission assembly 400 includes: a bi-directional clutch bearing 410 and alinkage slider 420. Thebidirectional clutch bearing 410 has an outer ring and an inner ring, the inner ring is drivingly connected to themotor shaft 301, and the inner ring is rotationally driven by themotor shaft 301. One end of thelinkage slider 420 is in transmission connection with the outer ring of thebidirectional clutch bearing 410, and the other end of thelinkage slider 420 is in transmission connection with thelock cover 200.

The outer ring of thebidirectional clutch bearing 410 transmits the rotation motion of themotor shaft 301 to thelinkage slider 420 to drive thelock cover 200 to rotate when themotor 300 is powered on, and the outer ring of thebidirectional clutch bearing 410 is driven by thelinkage slider 420 to rotate and is disconnected from the transmission connection with the inner ring when themotor 300 is powered off.

That is, when themotor 300 is powered on, themotor shaft 301 rotates and drives the inner ring of the bidirectional clutch bearing 410 to rotate, the inner ring drives the outer ring to rotate when rotating, then the rotation of thebidirectional clutch bearing 410 is transmitted to thelinkage slider 420 through the transmission fit between the outer ring and thelinkage slider 420, so that thelinkage slider 420 rotates, and thelinkage slider 420 drives thelock cover 200 to rotate when rotating.

When themotor 300 is powered off, the user can manually open and close the cover, for example, the user rotates thelinkage slider 420 through the manual handle, at this time, thelinkage slider 420 drives the outer ring of the bidirectional clutch bearing 410 to rotate, and the outer ring of thebidirectional clutch bearing 410 cannot drive the inner ring to rotate when rotating, so that the separation of the outer ring and themotor shaft 301 can be realized, namely, the outer ring cannot drive themotor shaft 301 to rotate, the torque of themotor 300 does not need to be overcome, and the cover can be easily opened and closed.

Further, as shown in fig. 1-3, thelinkage slider 420 is provided with anadapting groove 421, and thelocking cover 200 is provided with aconvex pillar 210 which is matched with theadapting groove 421, so that theconvex pillar 210 is embedded in the adaptinggroove 421 to transmit power, and when thelinkage slider 420 rotates, thelocking cover 200 can be driven to rotate through the matching structure. For example, thestud 210 has a cylindrical shape and thefitting groove 421 has a U-shape.

In some embodiments of the present invention, as shown in fig. 1 and 2, theupper cover 100 is provided with a first arc-shapedgroove 101, the center of the first arc-shapedgroove 101 is located on the rotation axis of the lockingcover 200, and theconvex column 210 is slidably fitted in the first arc-shapedgroove 101. Thus, when thelinkage sliding block 420 drives theconvex column 210 to move, the first arc-shapedgroove 101 can limit the movement of theconvex column 210, so that theconvex column 210 slides in the first arc-shapedgroove 101, thereby realizing the rotation of the lockingcover 200.

Optionally, as shown in fig. 1, theconvex pillar 210 is provided with a supportingedge 211, theconvex pillar 210 passes through the first arc-shapedgroove 101, and the supportingedge 211 is hooked on thelinkage slider 420, so that theconvex pillar 210 can slide in the first arc-shapedgroove 101 and cannot be disengaged from the first arc-shapedgroove 101. For example, thesupport edge 211 is configured to be circular.

Advantageously, as shown in fig. 1 and 2, theupper cover 100 is provided with the second arc-shapedgroove 102, the center of the second arc-shapedgroove 102 is located on the rotation axis of the lockingcover 200, the lockingcover 200 is provided with thepositioning column 220, thepositioning column 220 penetrates through the second arc-shapedgroove 102, and thepositioning column 220 is hooked on theupper cover 100, so that the lockingcover 200 can be guided to rotate around the central axis of theupper cover 100, and the rotation of the lockingcover 200 is more stable and smooth. Wherein, thepositioning column 220 is cylindrical, and the top end of thepositioning column 220 is configured to be a circle with a diameter larger than the width of the second arc-shapedslot 102, so as to prevent thepositioning column 220 from being released from the second arc-shapedslot 102.

More advantageously, as shown in fig. 1 and 2, the positioningpillars 220 are multiple, the positioningpillars 220 and the protrudingpillars 210 are arranged at equal intervals along the circumferential direction of the lockingcover 200, the second arc-shapedslots 102 are multiple, the positioningpillars 220 penetrate through the second arc-shapedslots 102 in a one-to-one correspondence, and thepositioning pillars 220 are respectively hooked on theupper cover 100.

In some embodiments of the present invention, as shown in fig. 3, the interlockingslider 420 has a receivingcavity 422, and the bidirectionalclutch bearing 410 is disposed in the receivingcavity 422.

Further, as shown in fig. 3, the outer ring of the bidirectionalclutch bearing 410 is provided with a first connectingportion 411, the side wall of theaccommodating cavity 422 is provided with a second connectingportion 423, and the first connectingportion 411 is in transmission connection with the second connectingportion 423. For example, thefirst connection portion 411 is configured as a groove and thesecond connection portion 423 is configured as a rib, and the rib is fitted in the groove, so that the relative positions of the outer ring of the bidirectionalclutch bearing 410 and the interlockingslider 420 in the circumferential direction are limited, and the transmission of power is realized.

Alternatively, themotor shaft 301 extends in a vertical direction and the interlockingslider 420 extends in a horizontal direction. Advantageously, the central axis of themotor shaft 301 coincides with the axis of rotation of thelocking cap 200.

As shown in fig. 1-4, a cooking appliance 1 according to an embodiment of the second aspect of the present invention includes apot body 20 and apot cover 10 according to an embodiment of the first aspect of the present invention. For example, the cooking appliance 1 is an electric pressure cooker.

Specifically, panbody 20 has pan teeth. Thepot cover 10 is arranged on thepot body 20, and the lockingcover 200 enables thecover teeth 201 to be buckled with and separated from the pot teeth through forward and reverse rotation. For example, when the lockingcover 200 rotates forward, thecover teeth 201 are buckled with the pot teeth; when the lockingcover 200 is rotated reversely, thecover teeth 201 and the pot teeth are disengaged from each other. Of course, thecover teeth 201 can also be buckled with the pot teeth when the lockingcover 200 rotates reversely; when the lockingcover 200 is rotated in the forward direction, thecover teeth 201 and the pot teeth are disengaged from each other. Here, the forward rotation of thelocking cap 200 may be defined as a clockwise rotation, and the reverse rotation may be defined as a counterclockwise rotation.

According to the cooking utensil 1 of the embodiment of the invention, thepot cover 10 is simple in structure, the lockingcover 200 can be automatically rotated to realize automatic opening and closing of the cover, and in the case of power failure, manual opening and closing of the cover can be easily realized without overcoming the force of themotor 300 or manually connecting a battery, so that the convenience of operation of a user is improved.

Other constructions and operations of the cooking appliance 1 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "width", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "a specific embodiment," "an alternative embodiment," "an example" or "some examples" or the like are intended to 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 the invention. In this specification, the schematic representations of the terms used above do not necessarily 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.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A pot lid, comprising:

an upper cover;

a lock cover rotatably mounted to the upper cover and having cover teeth, the lock cover being formed as an annular lock ring or a metal cover;

a motor mounted to the upper cover and having a motor shaft;

the transmission assembly is in transmission fit with the motor shaft and the lock cover respectively;

wherein the transmission assembly is configured to transmit the rotational motion of the motor shaft to the locking cap when the motor is powered on, and to disconnect the transmission connection with the motor shaft to transmit the rotational motion of itself to the locking cap when the motor is powered off, such that the locking cap achieves forward and reverse rotation;

the transmission assembly includes:

the bidirectional clutch bearing is provided with an outer ring and an inner ring, and the inner ring of the bidirectional clutch bearing is in transmission connection with the motor shaft and is driven by the motor shaft to rotate;

the linkage slider, the one end of linkage slider with two-way clutch bearing's outer lane transmission is connected and the other end with the locking closure transmission is connected, two-way clutch bearing's outer lane is in when the motor circular telegram with the rotary motion transmission of motor shaft extremely the linkage slider is in order to drive the locking closure rotates, two-way clutch bearing's outer lane is in when the motor outage by the linkage slider drive is rotatory and the disconnection with the transmission of inner circle is connected.

2. The pot cover according to claim 1, wherein the linkage slider is provided with an adapting groove, the locking cover is provided with a protruding column which is matched with the adapting groove, the upper cover is provided with a first arc-shaped groove, the circle center of the first arc-shaped groove is located on the rotation axis of the locking cover, the protruding column is slidably matched in the first arc-shaped groove, the protruding column is provided with a supporting edge, the protruding column penetrates through the first arc-shaped groove, and the supporting edge is hooked on the linkage slider.

3. The pot cover according to claim 2, wherein the upper cover is provided with a plurality of second arc-shaped grooves, the centers of the second arc-shaped grooves are located on the rotation axis of the locking cover, the locking cover is provided with a plurality of positioning columns, the positioning columns and the protruding columns are arranged at equal intervals along the circumferential direction of the locking cover, and the positioning columns penetrate through the second arc-shaped grooves in a one-to-one correspondence manner and are respectively hooked on the upper cover.

4. The lid of claim 1, wherein the linkage slider has a receiving cavity, and the bi-directional clutch bearing is disposed in the receiving cavity.

5. The cooker cover according to claim 4, wherein the outer ring of the bidirectional clutch bearing is provided with a first connecting portion and the inner side wall of the accommodating cavity is provided with a second connecting portion, and the first connecting portion is in transmission connection with the second connecting portion.

6. The lid according to claim 5, wherein the first connecting portion is a groove and the second connecting portion is a rib adapted to the groove.

7. The lid of claim 1, wherein the motor shaft extends in a vertical direction and the linkage slide extends in a horizontal direction.

8. The lid of claim 7, wherein the central axis of the motor shaft coincides with the axis of rotation of the locking lid.

9. The lid of any one of claims 1-8, wherein the upper lid is provided with a manual handle connected to the transmission assembly, the manual handle being configured to drive the transmission assembly to rotate when the motor is de-energized.

10. A cooking appliance, comprising:

a pan body having pan teeth;

the lid as claimed in any one of claims 1 to 9, which is provided to the body, wherein the locking lid is rotated in forward and reverse directions to engage and disengage the lid teeth with the pot teeth.

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