CN215777422U - Lid subassembly and cooking utensil - Google Patents

Abstract

The utility model provides a cover body assembly and a cooking appliance. The cover body assembly includes: a first cover body provided with a mounting cavity; the second cover body is covered on the mounting cavity and comprises a body and a handle arranged on the body, and the handle is rotatably arranged relative to the body; the driving structure is positioned in the mounting cavity; the transmission structure is positioned in the mounting cavity and comprises a driving wheel in driving connection with an output shaft of the driving structure and a driven wheel capable of being meshed with the driving wheel, and the driven wheel is connected with the handle; and the floating structure is positioned in the mounting cavity and is connected with the driving wheel, and the driving wheel is movably arranged along the axial direction of the driving wheel so as to enable the driving wheel to have a first position meshed with the driven wheel and a second position disengaged from the driven wheel. The technical scheme of the utility model solves the problem that the cover body assembly in the related art is difficult to open when power is off.

Description

Lid subassembly and cooking utensil

Technical Field

The utility model relates to the technical field of small household appliances, in particular to a cover body assembly and a cooking appliance.

Background

In the related art, when the cooking appliance is powered on, the motor drives the driving wheel to rotate, so that the driven wheel and the swing arm are driven to move, and the locking cover is driven to be matched with pot teeth to realize locking or to be disengaged from the pot teeth to realize unlocking. When the cooking utensil is in a power-off state and the cooking utensil needs to be opened, the handle is generally screwed to drive the driven wheel to rotate so as to drive the swing arm to swing, so that the locking or unlocking of the locking cover is realized.

However, at this time, the driven wheel and the driving wheel are still in a meshed state, and the torque of the motor driving the driving wheel to rotate is large, so that in the process of opening the cover, the torque of the motor needs to be overcome when the handle is screwed to achieve the opening action, and the problems that the handle is hard to screw and the cover is difficult to open when the power is off can occur.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a cover body assembly and a cooking utensil, and aims to solve the problem that the cover body assembly in the related art is difficult to open when power is off.

To achieve the above object, according to an aspect of the present invention, there is provided a cover assembly including: a first cover body provided with a mounting cavity; the second cover body is covered on the mounting cavity and comprises a body and a handle arranged on the body, and the handle is rotatably arranged relative to the body; the driving structure is positioned in the mounting cavity; the transmission structure is positioned in the mounting cavity and comprises a driving wheel in driving connection with an output shaft of the driving structure and a driven wheel capable of being meshed with the driving wheel, and the driven wheel is connected with the handle; and the floating structure is positioned in the mounting cavity and is connected with the driving wheel, and the driving wheel is movably arranged along the axial direction of the driving wheel so as to enable the driving wheel to have a first position meshed with the driven wheel and a second position disengaged from the driven wheel.

By applying the technical scheme of the utility model, the floating structure connected with the driving wheel is arranged, and the driving wheel can be movably arranged along the axial direction of the driving wheel, so that when a user needs to realize manual uncovering action under the condition of power failure, the user can press the driving wheel to enable the driving wheel to move along the axial direction of the driving wheel towards the direction far away from the driven wheel, so that the driving wheel is switched from the first position meshed with the driven wheel to the second position disengaged from the driven wheel, at the moment, the handle is manually rotated by the user, the handle can drive the driven wheel to rotate, the user can realize the manual uncovering action without overcoming the torque of the driving structure, and the problem that the cover body assembly in the related technology is difficult to uncover when the power failure occurs is solved, namely, the user can uncover without increasing the force during the power failure.

Further, the floating structure is including being located the first elastic component between drive structure and the action wheel, the one end and the drive structure butt of first elastic component, the other end and the action wheel butt of first elastic component to make the action wheel can keep in the first position. Thus, the restoring force of the first elastic element acts on the driving wheel to move the driving wheel towards the first position along the axis direction of the driving wheel, so that the driving wheel is switched from the second position to the first position and is kept at the first position.

Further, the driving wheel comprises a first shaft section and a second shaft section connected with the first shaft section, the diameter of the first shaft section is larger than that of the second shaft section, a first step surface is arranged between the first shaft section and the second shaft section, the first shaft section is meshed with the driven wheel, the first elastic piece is located on the periphery of the second shaft section, and the first elastic piece is abutted to the first step surface. Among the above-mentioned technical scheme, establish first elastic component cover in the periphery of second axle section, can make first step face receive even thrust along the axis direction of action wheel to when the action wheel switched to the primary importance by the second place, vertical direction steady movement can be followed to the action wheel.

Further, lid subassembly is still including setting up in the button structure of body, and the button structure is including wearing to locate the button of body, and under the effect of external force, the button is along the movably setting of vertical direction to drive the action wheel and switch between primary importance and second place. Therefore, a user can press the driving wheel conveniently, and the driving wheel is disengaged from the driven wheel.

Furthermore, a flange is arranged on the button, the button structure further comprises a second elastic piece located on the periphery of the button, and the second elastic piece is located between the flange and the driving wheel. Thus, after the user cancels the pressing force after completing the uncapping action, the second elastic piece can enable the button to be better restored to the position before the pressing.

Further, the button structure further includes: a connecting member; the fixed plate is provided with a positioning hole, one end of the connecting piece is connected with the body, the other end of the connecting piece is connected with the positioning hole, the fixed plate is located on the periphery of the button, one end of the second elastic piece is abutted to the flange, and the other end of the second elastic piece is abutted to the fixed plate. Through the arrangement, the second elastic piece can be limited between the fixing plate and the flange of the button, so that the second elastic piece and the button can rotate along with the rotation of the second cover body in the rotating process of the second cover body, and the button and the second elastic piece can be prevented from falling off from the second cover body.

Further, the cover body assembly further comprises a limiting structure arranged on the first cover body, the limiting structure comprises a connecting piece and a limiting piece, the connecting piece is connected with the first cover body, and the limiting piece is abutted against the end face of the driving wheel so as to limit the limiting displacement of the driving wheel in the axis direction. Through the arrangement, after the cover opening action is completed, the user cancels the pressing force, the limiting part can limit the limit position of the driving wheel moving upwards in the vertical direction, and therefore the driving wheel is prevented from being separated from the output shaft of the driving structure.

Furthermore, the driving wheel further comprises a third shaft section connected with the first shaft section of the driving wheel, the third shaft section and the second shaft section of the driving wheel are respectively located on two opposite sides of the first shaft section, the limiting part is provided with a mounting through hole, and the third shaft section is located in the mounting through hole. Among the above-mentioned technical scheme, the installation through-hole can play the effect of direction to the third axis section, can play the guide effect to the removal of action wheel along its axis direction promptly.

Furthermore, the diameter of the third shaft section is smaller than that of the first shaft section, a second step surface is arranged between the first shaft section and the third shaft section, the limiting structure further comprises a limiting bulge located on the limiting part and facing the second step surface, and the limiting bulge is abutted to the second step surface. Therefore, the friction force between the limiting part and the driving wheel can be reduced, so that the driving wheel can rotate more smoothly.

According to another aspect of the present invention, there is provided a cooking appliance including a pot body and the above-mentioned lid assembly disposed above the pot body. The cooking utensil has all the advantages of the cover body assembly, and the description is omitted here.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 illustrates a schematic structural view of a cover assembly of an embodiment of the present invention;

FIG. 2 illustrates an exploded view of the cover assembly of an embodiment of the present invention;

FIG. 3 shows a cross-sectional view of one direction of the cover assembly of FIG. 1 (with the drive wheel in a first position);

FIG. 4 shows an enlarged view at A of the cover assembly of FIG. 3;

FIG. 5 shows a cross-sectional view of one direction of the cover assembly of FIG. 1 (with the drive wheel in a second position);

FIG. 6 shows an enlarged view at B of the cover assembly of FIG. 5;

FIG. 7 shows a cross-sectional view in another direction of the cover assembly of FIG. 1 (with the drive wheel in a first position);

FIG. 8 shows an enlarged view at C of the cover assembly of FIG. 7;

FIG. 9 shows a cross-sectional view in another direction of the cover assembly of FIG. 1 (with the drive wheel in a second position); and

fig. 10 shows an enlarged view at D of the cover assembly of fig. 9.

Wherein the figures include the following reference numerals:

10. a first cover body; 11. a mounting cavity; 20. a second cover body; 21. a body; 22. a handle; 30. a drive structure; 31. a drive motor; 40. a transmission structure; 41. a driving wheel; 411. a first shaft section; 412. a second shaft section; 413. a third shaft section; 42. a driven wheel; 43. an assembly hole; 44. swinging arms; 50. a floating structure; 51. a first elastic member; 60. a button structure; 61. a button; 62. a fixing plate; 63. a second elastic member; 71. a connecting member; 72. positioning holes; 80. a limiting structure; 81. a connecting member; 82. a limiting member; 83. a limiting bulge; 84. and a fixing member.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, 2, 4 and 6, an embodiment of the present invention provides a cover assembly. The cover assembly includes a first cover 10, a second cover 20, a driving structure 30, a transmission structure 40, and a floating structure 50. Wherein, the first cover 10 has a mounting cavity 11; the second cover body 20 is covered on the mounting cavity 11, the second cover body 20 includes a body 21 and a handle 22 disposed on the body 21, and the handle 22 is rotatably disposed relative to the body 21; the driving structure 30 is positioned in the mounting cavity 11; the transmission structure 40 is positioned in the mounting cavity 11, the transmission structure 40 comprises a driving wheel 41 in driving connection with an output shaft of the driving structure 30 and a driven wheel 42 capable of being meshed with the driving wheel 41, and the driven wheel 42 is connected with the handle 22; and the floating structure 50 is positioned in the mounting cavity 11, the floating structure 50 is connected with the driving wheel 41, and the driving wheel 41 is movably arranged along the axial direction of the driving wheel 41 so that the driving wheel 41 has a first position engaged with the driven wheel 42 and a second position disengaged from the driven wheel 42.

In the above technical solution, by providing the floating structure 50 connected to the driving wheel 41, and the driving wheel 41 can be movably disposed along the axial direction of the driving wheel 41, so that when a user needs to realize a manual uncovering action under a power failure condition, the user can press the driving wheel 41 to make the driving wheel move downward along the axial direction in fig. 6, so that the driving wheel 41 is switched from a first position engaged with the driven wheel 42 to a second position disengaged from the driven wheel 42, at this time, when the user manually rotates the handle 22, the handle 22 can drive the driven wheel 42 to rotate, so that the manual uncovering action can be realized without overcoming the torque of the driving structure 30, and the problem that the cover assembly in the related art is difficult to uncover when the power failure occurs is solved, that is, the user can uncover without increasing the strength when the power failure occurs.

Further, after the manual uncapping is completed, the user does not apply pressing force to the driving wheel 41 any more, and the floating structure 50 can make the driving wheel 41 automatically switch to the first position from the second position, so that when power is supplied, that is, when the driving structure 30 can normally work, the driving wheel 41 can be driven to rotate by the driving structure 30, and then the driving wheel 41 drives the driven wheel 42 to rotate, so as to realize the automatic uncapping.

Above-mentioned technical scheme has improved the convenience of opening and shutting the lid under emergent condition to can further promote user's experience.

Specifically, as shown in fig. 1 and fig. 2, in the embodiment of the present invention, the lid assembly further includes a locking lid disposed on the first lid body 10 and a swing arm 44 connected to the locking lid, wherein one end of the swing arm 44 is connected to the driven wheel 42, and the other end of the swing arm 44 is connected to the locking lid, and the locking lid is rotatably disposed relative to the pot body or the first lid body 10, so that the locking lid has a locking position matched with the pot body and an unlocking position unmated with the pot body, so that when the driving structure 30 can normally operate, the driving structure 30 can drive the driving wheel 41 to rotate, then the driving wheel 41 drives the driven wheel 42 to rotate, and the driven wheel 42 drives the swing arm 44 to swing, so as to drive the locking lid to switch between the locking position and the unlocking position, thereby the action of actively opening the lid can be achieved.

In the embodiment of the present invention, the opening of the cover does not mean to open the first lid body 10, but means to place the lock cover in the unlock position, so that the first lid body 10 can be opened.

As shown in fig. 1, 3 and 4, in the embodiment of the present invention, the floating structure 50 includes a first elastic member 51 located between the driving structure 30 and the driving wheel 41, one end of the first elastic member 51 abuts against the driving structure 30, and the other end of the first elastic member 51 abuts against the driving wheel 41, so that the driving wheel 41 can be maintained at the first position.

With the above arrangement, under the action of the external force, the driving wheel 41 moves downward in fig. 4 along the axial direction thereof, so that the external force (i.e., the pressing force) compresses the first elastic member 51 against the elastic force of the first elastic member 51, and the driving wheel 41 is switched from the first position to the second position; when the external force pressing on the driver 41 disappears, the restoring force of the first elastic member 51 acts on the driver 41 and moves the driver 41 upward in fig. 6 along the axial direction thereof, thereby switching the driver 41 from the second position to the first position and maintaining the first position.

It should be noted that, in the embodiment of the present invention, the axial direction of the driving wheel is parallel to the vertical direction shown in fig. 3.

Preferably, in the embodiment of the present invention, the first elastic member 51 is a compression spring. The compression spring may be subjected to an axial pressure such that the compression spring provides an axial thrust force to the driver 41 in an upward direction in fig. 6, thereby allowing the driver 41 to remain in the first position.

Of course, in an alternative embodiment not shown in the drawings, the floating structure 50 may further include a vertically retractable electric push rod in fig. 6, a fixed end of the electric push rod is connected to the driving structure 30, and a retractable end of the electric push rod is connected to the driving wheel 41, so that the electric push rod can drive the driving wheel 41 to move in the axial direction thereof.

As shown in fig. 4, in the embodiment of the present invention, the driving wheel 41 includes a first shaft segment 411 and a second shaft segment 412 connected to the first shaft segment 411, a diameter of the first shaft segment 411 is larger than a diameter of the second shaft segment 412, a first step surface is provided between the first shaft segment 411 and the second shaft segment 412, the first shaft segment 411 is engaged with the driven wheel 42, the first elastic member 51 is located at an outer periphery of the second shaft segment 412, and the first elastic member 51 abuts against the first step surface.

In the above technical solution, the first elastic member 51 is sleeved on the periphery of the second shaft section 412, so that the first step surface can receive a uniform thrust along the axial direction of the driving wheel 41, and when the driving wheel 41 is switched from the second position to the first position, the driving wheel 41 can move stably along the vertical direction in fig. 4.

Of course, in an alternative embodiment not shown in the drawings, the floating structure 50 may include a plurality of first elastic members 51, and the plurality of first elastic members 51 are arranged at regular intervals around the axis of the drive wheel 41. In this way, the drive pulley 41 may also be provided with a force to keep it in the first position.

As shown in fig. 4 to 6, in the embodiment of the present invention, the cover assembly further includes a button structure 60 disposed on the body 21, the button structure 60 includes a button 61 penetrating through the body 21, and under the action of an external force, the button 61 is movably disposed along a vertical direction to drive the driving wheel 41 to switch between the first position and the second position.

Through the above arrangement, when the driving structure 30 is powered off, the user can press the button 61 downwards according to the situation, so that the button 61 drives the driving wheel 41 to move downwards along the vertical direction, and thus, the driving wheel 41 is switched to the second position from the first position, at this time, the user directly screws the handle 22 to drive the driven wheel 42 to rotate, and then drives the locking cover to be switched to the unlocking position from the locking position through the swing arm 44, so that the first cover body 10 can be in a state capable of being opened, and thus, the user can open the first cover body 10 conveniently.

Further, when the uncapping action is completed, the user does not press the button 61 any more, and the driving pulley 41 is moved upward in the vertical direction in fig. 6 by the floating structure 50, so that the driving pulley 41 is switched from the second position to the first position. In this way, the user can more conveniently press the driving wheel 41 by providing the button 61, thereby more conveniently switching the driving wheel 41 between the first position and the second position.

Of course, in an alternative embodiment not shown in the drawings, the button 61 may not be provided, and the body 21 may be provided with an avoiding hole corresponding to the driving wheel 41 and a protective cover capable of covering the avoiding hole. When the driver 41 needs to be pressed downward, the protective cover is opened, and an auxiliary tool like a thimble is used to penetrate through the avoiding hole and push the driver 41 to move downward.

As shown in fig. 6, in the embodiment of the present invention, the button 61 is provided with a flange, and the button structure 60 further includes a second elastic member 63 located at the outer periphery of the button 61, wherein the second elastic member 63 is located between the flange and the driver 41.

In the above technical solution, the second elastic member 63 is disposed between the flange and the driving wheel 41, so that after the uncapping operation is completed and the user does not press the button 61 any more, the second elastic member 63 can make the button 61 return to the position before pressing better.

Further, by providing the second elastic member 63, the pressing feel of the press button 61 can be improved, thereby bringing better experience to the user.

As shown in fig. 7 and 8, in the embodiment of the present invention, the button structure 60 further includes a fixing plate 62 connected to the body 21, the fixing plate 62 is located at an outer periphery of the button 61, one end of the second elastic member 63 abuts against the flange, and the other end of the second elastic member 63 abuts against the fixing plate 62.

With the above arrangement, the second elastic member 63 can be restricted between the fixing plate 62 and the flange of the button 61, so that both the second elastic member 63 and the button 61 can rotate along with the rotation of the second cover 20 during the rotation of the second cover 20, thereby preventing the button 61 and the second elastic member 63 from falling off the second cover 20.

Of course, in an alternative embodiment not shown in the drawings, the end of the button 61 away from the driving wheel 41 is further provided with a protruding edge, and the protruding edge are respectively located at two opposite sides of the second cover body 20, so that the button 61 is prevented from being separated from the second cover body 20, and one end of the second elastic member 63 is connected with the protruding edge, and the other end of the second elastic member 63 is connected with the driving wheel 41, so that the button 61 and the second elastic member 63 can rotate together with the second cover body 20 during the rotation of the second cover body 20.

As shown in fig. 8, in the embodiment of the present invention, the cover assembly further includes a connecting member 71 for connecting the body 21 and the fixing plate 62, the fixing plate 62 is provided with a positioning hole 72, one end of the connecting member 71 is connected to the body 21, and the other end of the connecting member 71 is connected to the fixing plate 62 through the positioning hole 72.

Through the arrangement, the fixing plate 62 can be installed on the body 21, the connecting piece 71 is connected with the positioning hole 72, and the through hole for passing through the button 61 on the fixing plate 62 can be positioned, so that the through hole and the through hole for passing through the button 61 on the body 21 are coaxially arranged, and the button 61 can move along the axial direction of the driving wheel 41 in fig. 8 more smoothly.

Further, a predetermined interval may be provided between the fixed plate 62 and the body 21 by providing the connection member 71, thereby providing an installation space of the second elastic member 63.

Preferably, in the embodiment of the present invention, the connection member 71 and the positioning hole 72 are connected by a screw. Of course, in alternative embodiments, the connecting member 71 and the positioning hole 72 may be connected by other means such as gluing.

Of course, in alternative embodiments, the positioning holes 72 may be provided on the body 21 and the connecting members 71 may be provided on the fixing plate 62.

As shown in fig. 9 and 10, in the embodiment of the present invention, the cover assembly further includes a limiting structure 80 disposed on the first cover 10, the limiting structure 80 includes a connecting member 81 and a limiting member 82 connected to each other, the connecting member 81 is connected to the first cover 10, and the limiting member 82 abuts against an end surface of the driving wheel 41 to limit the extreme displacement of the driving wheel 41 in the axial direction.

With the above arrangement, after the uncapping operation is completed and the user cancels the pressing force applied to the button 61, the limiting member 82 can limit the extreme position of the driving wheel 41 moving upward in fig. 10, so as to prevent the driving wheel 41 from being disengaged from the output shaft of the driving structure 30; further, the first elastic member 51 can be always in a compressed state by providing the stopper 82, so that the movement of the driving wheel 41 in the vertical direction in fig. 10 is more smooth.

It should be noted that, in the embodiment of the present invention, limiting the extreme displacement of the driving wheel 41 in the axial direction refers to limiting the displacement of the driving wheel 41 moving upward in the vertical direction in fig. 10, for example, the extreme position of the driving wheel 41 moving upward is the first position.

Specifically, in the embodiment of the present invention, the position-limiting member 82 may directly abut against the end surface of the driving wheel 41, so as to limit the driving wheel 41 at the first position.

Specifically, in the embodiment of the present invention, the limiting structure 80 further includes a fixing member 84 connected to the connecting member 81, and the limiting member 82 and the fixing member 84 are respectively located at two opposite sides of the connecting member 81, so that the limiting structure 80 is conveniently mounted on the first cover 10; further, the connecting member 81 extends in the vertical direction in fig. 10, and the limiting member 82 and the fixing member 84 are respectively located at opposite ends of the connecting member 81, so that the limiting member 82 is located above the driving wheel 41.

As shown in fig. 10, in the embodiment of the present invention, the driving wheel 41 further includes a third shaft segment 413 connected to the first shaft segment 411 of the driving wheel 41, the third shaft segment 413 and the second shaft segment 412 of the driving wheel 41 are respectively located at two opposite sides of the first shaft segment 411, the limiting member 82 is provided with an installation through hole, and the third shaft segment 413 is located in the installation through hole.

In the above technical solution, the mounting through hole can guide the third shaft segment 413, that is, can guide the movement of the driving wheel 41 along the axial direction thereof.

As shown in fig. 10, in the embodiment of the present invention, the diameter of the third shaft segment 413 is smaller than that of the first shaft segment 411, a second step surface is provided between the first shaft segment 411 and the third shaft segment 413, the limiting structure 80 further includes a limiting protrusion 83 facing the second step surface and located on the limiting member 82, and the limiting protrusion 83 abuts against the second step surface.

Through the above arrangement, the contact area between the limiting member 82 and the driving wheel 41 can be reduced, so that when the driving wheel 41 is located at the first position and rotates, the friction area between the limiting member 82 and the driving wheel 41 can be reduced, thereby reducing the friction force between the limiting member 82 and the driving wheel 41, and further enabling the driving wheel 41 to rotate more smoothly.

Preferably, in the embodiment of the present invention, the limiting protrusion 83 may be an annular protrusion, so that the uniform abutment of the second step surface may be achieved. Of course, in an alternative embodiment, the limiting protrusion 83 may be a plurality of protrusions that are evenly spaced around the axis of the driving wheel 41.

As shown in fig. 4, in the embodiment of the present invention, the driving structure 30 includes a driving motor 31 disposed on the first cover 10, a mounting hole 43 is disposed on the driving wheel 41, and an output shaft of the driving motor 31 is slidably engaged with the mounting hole 43.

Through the above arrangement, under the condition that the driving motor 31 does not limit the axial movement of the driving wheel, the output shaft of the driving motor 31 can drive the driving wheel 41 to rotate, so as to drive the driven wheel 42 and the swing arm 44 to rotate, and further realize automatic uncovering.

Specifically, in the embodiment of the present invention, the matching structure between the output shaft and the assembling hole 43 is an anti-rotation structure, that is, an axial convex rib is disposed on the circumferential side wall of the output shaft, and a groove which is in sliding fit with the axial convex rib is disposed on the inner wall of the assembling hole 43, so that the relative rotation between the driving wheel 41 and the output shaft can be avoided, but the driving wheel 41 can move relative to the output shaft.

Of course, in alternative embodiments, an axial rib may be provided on the inner wall of the mounting hole 43, and a groove slidably engaged with the axial rib may be provided on the circumferential side wall of the output shaft.

Embodiments of the present invention provide a cooking appliance. The cooking utensil comprises a pot body and the cover body assembly arranged on the pot body.

Optionally, the cooking appliance in this embodiment is an electric pressure cooker or an electric rice cooker.

Preferably, in the embodiment of the present invention, the first lid 10 of the lid assembly is pivotally connected to the pot body. Of course, in an alternative embodiment, the first cover 10 may be detachably connected to the pot body, for example, the first cover 10 is rotatably fastened to the pot body.

The cooking utensil has all the advantages of the cover body assembly, and the description is omitted here.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: through the floating structure who sets up and the action wheel is connected, and the axis direction movably setting of action wheel can be followed to the action wheel, thus, when the action of uncapping manually needs the user to realize under the circumstances of outage, the user can be through pressing the action wheel, make the action wheel remove towards the direction of keeping away from the driving wheel along its axis direction, thereby make the action wheel switch to and remove the second position of meshing from the driving wheel by the first position with follow driving wheel meshing, at this moment, the manual twist grip of user, the handle can drive from the driving wheel rotation, therefore need not to overcome the moment of torsion of drive structure and just can realize the action of uncapping manually, and then solved the lid subassembly among the correlation technique and easily appear the problem of being difficult to uncap when the outage, namely the user need not to increase the dynamics and just can make the realization uncapping when the outage.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A cover assembly, comprising:

a first cover body (10) having a mounting cavity (11);

the second cover body (20) is covered on the installation cavity (11), the second cover body (20) comprises a body (21) and a handle (22) arranged on the body (21), and the handle (22) is rotatably arranged relative to the body (21);

a drive structure (30) located within the mounting cavity (11);

the transmission structure (40) is positioned in the mounting cavity (11), the transmission structure (40) comprises a driving wheel (41) in driving connection with an output shaft of the driving structure (30) and a driven wheel (42) capable of being meshed with the driving wheel (41), and the driven wheel (42) is connected with the handle (22); and

the floating structure (50) is located in the installation cavity (11), the floating structure (50) is connected with the driving wheel (41), and the driving wheel (41) is movably arranged along the axial direction of the driving wheel so that the driving wheel (41) has a first position meshed with the driven wheel (42) and a second position disengaged from the driven wheel (42).

2. Cover assembly according to claim 1, wherein the floating structure (50) comprises a first elastic member (51) located between the driving structure (30) and the driving wheel (41), one end of the first elastic member (51) being in abutment with the driving structure (30) and the other end of the first elastic member (51) being in abutment with the driving wheel (41) to enable the driving wheel (41) to be held in the first position.

3. The cover assembly according to claim 2, wherein the driving wheel (41) comprises a first shaft segment (411) and a second shaft segment (412) connected with the first shaft segment (411), the diameter of the first shaft segment (411) is larger than that of the second shaft segment (412), a first step surface is arranged between the first shaft segment (411) and the second shaft segment (412), the first shaft segment (411) is engaged with the driven wheel (42), the first elastic member (51) is arranged on the periphery of the second shaft segment (412), and the first elastic member (51) is abutted with the first step surface.

4. The cover assembly according to any one of claims 1 to 3, further comprising a button structure (60) disposed on the body (21), wherein the button structure (60) comprises a button (61) penetrating through the body (21), and under the action of an external force, the button (61) is movably disposed along a vertical direction to drive the driving wheel (41) to switch between the first position and the second position.

5. The cover assembly according to claim 4, wherein the button (61) is provided with a flange, and the button structure (60) further comprises a second elastic member (63) located at the periphery of the button (61), the second elastic member (63) being located between the flange and the driver (41).

6. The cover assembly of claim 5, wherein the button structure (60) further comprises:

a connecting member (71);

the fixing plate (62) is provided with a positioning hole (72), one end of the connecting piece (71) is connected with the body (21), the other end of the connecting piece (71) is connected with the positioning hole (72), the fixing plate (62) is located on the periphery of the button (61), one end of the second elastic piece (63) is abutted to the flange, and the other end of the second elastic piece (63) is abutted to the fixing plate (62).

7. The cover assembly according to any one of claims 1 to 3, further comprising a limiting structure (80) disposed on the first cover (10), wherein the limiting structure (80) comprises a connecting member (81) and a limiting member (82) connected to each other, the connecting member (81) is connected to the first cover (10), and the limiting member (82) abuts against an end surface of the driving wheel (41) to limit the limiting displacement of the driving wheel (41) in the axial direction thereof.

8. The cover assembly according to claim 7, wherein the driving wheel (41) further comprises a third shaft segment (413) connected to the first shaft segment (411) of the driving wheel (41), the third shaft segment (413) and the second shaft segment (412) of the driving wheel (41) are respectively located at two opposite sides of the first shaft segment (411), the limiting member (82) is provided with a mounting through hole, and the third shaft segment (413) is located in the mounting through hole.

9. The cover assembly of claim 8, wherein the diameter of the third shaft segment (413) is smaller than the diameter of the first shaft segment (411), a second step surface is provided between the first shaft segment (411) and the third shaft segment (413), the limiting structure (80) further comprises a limiting protrusion (83) facing the second step surface and located on the limiting member (82), and the limiting protrusion (83) abuts against the second step surface.

10. A cooking appliance comprising a pot body and a lid assembly disposed above the pot body, wherein the lid assembly is the lid assembly of any one of claims 1 to 9.

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