CN210842659U - Pot cover assembly and pressure cooker - Google Patents

Abstract

The application provides a pot cover assembly and a pressure cooker, the pot cover assembly is used for covering a cooker body, the pot cover assembly comprises a supporting piece and a pot cover body, the supporting piece can be clamped with the cooker body, the pot cover body is rotationally connected below the supporting piece, the pot cover body can be mutually buckled or separated from the buckle by rotating the pot cover body, the pot cover assembly further comprises a transmission mechanism, the transmission mechanism comprises a sliding block connected with the supporting piece and a connecting rod connected with the pot cover body, and the sliding block and the connecting rod form a crank sliding block mechanism; the sliding block is operated to move linearly, the sliding block drives the connecting rod to rotate, and the connecting rod drives the pot cover body to rotate. The cover opening and closing operation of the pressure cooker can be simplified.

Description

Pot cover assembly and pressure cooker

Technical Field

The application relates to the technical field of pressure cookers, in particular to a pot cover assembly and a pressure cooker.

Background

The pressure cooker comprises a cooker body and a cooker cover assembly, wherein the cooker cover assembly covers the cooker body. The existing cover opening and closing mechanisms of the pressure cooker have more types and are mainly divided into a cover falling type, a screwing type and a clamping type. The rotary-closing pressure cooker has the advantages of simple structure, convenient manufacture and low cost, so the rotary-closing pressure cooker is most widely used. The rotary-closing type pressure cooker on the existing market is characterized in that an opening and closing cover mechanism is arranged between an upper handle and a lower handle of the pressure cooker, wherein the upper handle is provided with a pushing part or a rotating part, and the pushing part or the rotating part can slide or rotate on the upper handle. When the pushing part or the rotating part is driven, the cover opening and closing mechanism connected with the upper handle can be in a locking state or a releasing state, and when the cover opening and closing mechanism is in the releasing state, the cover assembly can be opened; when in the locking state, the pot cover component is fixedly connected with the pot body and can not be opened.

However, the cover opening and closing mechanism of the pressure cooker is inconvenient to operate and use, and the cover opening and closing can be realized only by holding the upper and lower handles of the pressure cooker with two hands, so that the cover opening and closing operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The application provides a pot cover assembly and a pressure cooker, which are used for simplifying the opening and closing operation of the pressure cooker.

The first aspect of this application provides a pot cover subassembly, it is used for the lid to fit the pot body, the pot cover subassembly includes support piece and pot cover body, support piece can with the pot body card is solid, the pot cover body rotate connect in support piece's below rotates the pot cover body can make the pot cover body with the mutual buckle of pot body or break away from the buckle, the pot cover subassembly still includes:

the transmission mechanism comprises a sliding block connected with the supporting piece and a connecting rod connected with the pot cover body, and the sliding block and the connecting rod form a crank sliding block mechanism;

the sliding block is operated to move linearly, the sliding block drives the connecting rod to rotate, and the connecting rod drives the pot cover body to rotate.

Optionally, the pot cover assembly further comprises a control mechanism, the control mechanism comprises a cam which is intermittently pushed by the sliding block, and the cam is operated to rotate so as to drive the sliding block to move back and forth along a straight line.

Optionally, the slider is provided with an accommodating groove for accommodating the cam, and the cam is mounted in the accommodating groove and abuts against one groove wall of the accommodating groove.

Optionally, the control mechanism further comprises a pressing part and a conversion mechanism which move linearly along the support;

the conversion mechanism is connected with the pressing portion and the cam, and converts linear motion of the pressing portion into rotation of the cam.

Optionally, the conversion mechanism comprises a pawl and a gear member;

the pawl is fixedly arranged on the pressing part, the pawl is meshed with the gear piece, and the cam is connected with the gear piece;

the pressing part is operated to move linearly along the supporting part, and the pressing part drives the pawl to move linearly along the supporting part;

the pawl stirs the gear piece to rotate and drives the cam to rotate through the gear piece.

Optionally, the gear member comprises a first gear and a second gear in mesh with each other;

the pawl is connected with the first gear in a meshed mode, and the cam is coaxially and fixedly connected with the second gear.

Optionally, a first elastic element is arranged between the pawl and the pressing part;

two ends of the first elastic piece respectively elastically prop against the pawl and the pressing portion so as to force the pawl to be connected to the gear piece in a meshing manner.

Optionally, a second elastic piece is further arranged in the pressing part;

two ends of the second elastic piece respectively elastically abut against the pressing part and the supporting piece so as to force the pressing part to return automatically.

Optionally, the middle part of the connecting rod is rotatably connected to the supporting member, the first end of the connecting rod is connected to the sliding block, and the second end of the connecting rod is connected to the pot cover body.

A second aspect of the present application provides an autoclave comprising any one of the lid assemblies provided herein.

The technical scheme provided by the application can achieve the following beneficial effects:

the pot cover assembly provided by the application comprises a supporting piece, a pot cover body and a transmission mechanism, wherein the supporting piece can be clamped and fixed with the pot body, the pot cover body is connected below the supporting piece in a rotating mode, and the pot cover body can be buckled or separated from the pot cover body and the pot body in a mutually buckled mode through rotating the pot cover body. The transmission mechanism comprises a sliding block connected with the supporting piece and a connecting rod connected with the pot cover body, and the sliding block and the connecting rod form a crank sliding block mechanism; the operation slider rectilinear movement, the slip drive connecting rod rotates, and the connecting rod drives the pot cover body and rotates to make pot cover body and the mutual buckle of pot body or break away from the buckle, that is to say, the user only need the operation slider along support piece rectilinear movement just can realize opening and shutting the lid operation, make the use of pressure cooker more convenient.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

FIG. 1 is a schematic structural diagram of a pressure cooker according to an embodiment of the present disclosure;

fig. 2 is a schematic view of an internal structure of the pot lid assembly according to the embodiment of the present disclosure;

fig. 3 is a schematic cross-sectional view of a lid assembly according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a transmission mechanism cooperating with a support according to an embodiment of the present disclosure;

fig. 5 is a schematic structural view illustrating the engagement between the transmission mechanism and the lid body according to the embodiment of the present application;

FIG. 6 is a schematic view of the structure of FIG. 5 without the connecting rod;

FIG. 7 is a schematic view of the structure of FIG. 6 at another angle;

fig. 8 is a schematic view of a matching structure of a cam and a slider according to an embodiment of the present application.

Reference numerals:

1-a support;

10-a first axis;

2-a control mechanism;

20-a first elastic member;

22-a second elastic member;

24-a pressing part;

26-a cam;

27-a pawl;

28-gear member;

280-a first gear;

282-a second gear;

3-a pot cover body;

30-a second axis;

4-a transmission mechanism;

40-a slide block;

400-accommodating the tank;

402-a third axis;

42-connecting rod;

420-a first runner;

422-a second chute;

424-mounting holes;

5-pot body.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

As shown in fig. 1 to 8, the embodiment of the present application provides a pot cover assembly for covering a pot body 5, and the pot cover assembly includes a support member 1, a pot cover body 3 and a transmission mechanism 4. The pot body 5 can be any cooking utensil, and pot teeth are arranged at the opening at the top of the pot body 5; the supporting piece 1 can be supported on the top of the pot body 5 and can be clamped with the pot body 5; the pot cover body 3 is rotationally connected below the supporting piece 1, the pot cover body 3 can rotate around the axis of the pot cover body 3, the pot cover body 3 is provided with cover teeth capable of being buckled with the pot teeth, the pot cover body 3 can be rotated relative to the pot body 5 by rotating the pot cover body 3, and therefore the cover teeth on the pot cover body 3 and the pot teeth on the pot body 5 are buckled or separated from the buckle, and the pot cover body 3 is opened or buckled relative to the pot body 5; the transmission mechanism 4 comprises a sliding block 40 connected with the support part 1 and a connecting rod 42 connected with the pot cover body 3, and the sliding block 40 and the connecting rod 42 form a crank sliding block mechanism; the support 1 may be provided with a slide rail, and the slider 40 is mounted in the slide rail and can move along the slide rail. The operation slider 40 linear movement, the slider 40 drive connecting rod 42 rotates, and the connecting rod 42 drives the pot cover body 3 to rotate to make the mutual buckle of pot cover body 3 and pot body 5 or break away from the buckle, that is to say, the user only needs the operation slider 40 to follow support piece 1 linear movement just can realize opening and shutting the lid operation, makes the use of pressure cooker more convenient.

Specifically, referring to fig. 1, the slider 40 can move linearly in the XY plane, the link 42 can rotate in the XY plane, and the lid body 3 can rotate about the Z axis. Wherein, the Z axis is the axis of the pot cover body 1, and the XY plane is the plane vertical to the Z axis.

Further, the middle part of the connecting rod 42 is rotatably connected to the supporting member 1 to form a stable supporting function for the connecting rod 42, the first end of the connecting rod 42 is connected to the sliding block 40, and the second end of the connecting rod is connected to the pot cover body 3, so that the two ends of the connecting rod 42 are uniformly stressed. For example, the middle of the connecting rod 42 is provided with a mounting hole 424, the supporting member 1 is provided with a first shaft 10, the first shaft 10 is inserted into the mounting hole 424 and is rotatably matched with the mounting hole 424, when the sliding block 40 slides along the supporting member 1, the first end of the connecting rod 42 is forced by the sliding block 40 to rotate the connecting rod 42 around the first shaft 10, and the second end of the connecting rod 42 is forced to rotate the pot cover body 3. It can be understood that one end of the connecting rod 42 can be connected to the supporting member 1, and the other end of the connecting rod 42 and the middle portion of the connecting rod 42 are respectively connected to the sliding block 40 and the pot lid body.

Wherein, a first end of the connecting rod 42 is provided with a first chute 420, and a second end of the connecting rod 42 is provided with a second chute 422; the lid body 3 may be provided with a second shaft 30, and the slider 40 may be provided with a third shaft 402. The third shaft 402 is slidably connected to the first sliding groove 420, the third shaft 402 moves linearly with the slider 40, and applies a force to the link rod 42 through the third shaft 402, so that the link rod 42 can rotate around the first shaft 10; the second shaft 30 is slidably connected to the second sliding groove 422, and applies an acting force to the pot cover body 3 through the second shaft 30, so that the pot cover body 3 can rotate around the axis of the pot cover body 3; when the connecting rod 42 rotates, the third shaft 402 and the second shaft 30 can respectively rotate in the first sliding groove 420 and the second sliding groove 422, and can respectively slide along the first sliding groove 420 and the second sliding groove 422, so as to avoid over-constraint on the connecting rod 42, which results in abnormal rotation of the connecting rod 42. Preferably, the first and second sliding grooves 420 and 422 are kidney-shaped through holes.

Further, the pot cover assembly further comprises a control mechanism 2, the control mechanism 2 is operatively installed on the support member 1, so that the transmission mechanism 4 is completely accommodated inside the support member 1 to form a protection effect on the transmission mechanism 4, and a part of the control mechanism 2 protrudes out of the support member 1, so that the pot cover assembly is convenient for a user to operate, and the user is prevented from being accidentally injured due to direct contact with the transmission mechanism 4.

Further, the control mechanism 2 includes a cam 26 intermittently pushing against the slider 40, and the slider 40 is driven to move back and forth along a straight line by rotating the cam 26. Through the reasonable design of the profile shape of the cam 26, the sliding block 40 can obtain intermittent reciprocating motion, and the structure is simple and compact, and the design is convenient. The sliding block 40 may be provided with any suitable mechanism such as an elastic restoring member, so that the sliding block 40 can be automatically restored.

Preferably, the sliding block 40 is provided with a containing groove for containing the cam 26, the cam 26 is installed in the containing groove 400 and abuts against one groove wall of the containing groove 400, the sliding block 40 is driven to reciprocate along a straight line through the cam 26, and an elastic reset piece is not required to be arranged independently.

Specifically, the mating relationship of the receiving slot 400 and the cam 26 can be seen in fig. 8. Wherein, the slide block 40 slides along the W direction and keeps still along the H direction; the receiving groove 400 has a dimension a in the H direction and a dimension b in the W direction; the length of the cam 26 is c and the distance between the axis of rotation of the cam 26 and the end point of the farther end of the cam 26 is d. The dimensional relationship existing between the receiving groove 400 and the cam 26 is: b is more than or equal to c, and a is more than or equal to 2 d. So that the cam 26 can only abut against two opposite groove walls of the accommodating groove 400 in the W direction, and the slider 40 can only slide back and forth in the W direction.

Further, the control mechanism 2 includes a pressing portion 24 and a conversion mechanism, the pressing portion 24 is linearly movable along the support member 1, the conversion mechanism is connected to the pressing portion 24 and the cam 26, and the linear movement of the pressing portion 24 is converted into the rotation of the cam 26 by the conversion mechanism.

Preferably, the conversion mechanism may include a pawl 27 and a gear member 28; one end of the pawl 27 is fixedly attached to the pressing portion 24, the other end is engaged with the gear member 28, and the cam 26 is connected to the gear member 28, that is, the pressing portion 24 is connected to the cam 26 via the pawl 27 and the gear member 28. The pressing part 24 is operated to move linearly along the support 1, and the pressing part 24 drives the pawl 27 to move linearly along the support 1; pawl 27 toggles gear piece 28 and rotates to drive cam 26 through gear piece 28 and rotate, will press the rectilinear motion of splenium 24 to turn into and rotate, thereby make pot cover body 3 only can unidirectional rotation, that is to say, when the user unclamped and pressed splenium 24, pot cover body 3 can not counter-rotation, ensures that the user operates once to press splenium 24 and can realize once opening and shutting the lid operation.

Alternatively, the conversion mechanism may be any mechanism capable of converting linear motion into rotational motion, such as a rack and pinion mechanism.

Further, the gear member 28 may include a first gear 280 and a second gear 282 that are engaged with each other, and the transmission direction and the transmission ratio can be changed by engaging at least two gears with each other, so that the structural form of the transmission mechanism can be more suitable for the space arrangement requirements of different pot cover assemblies. The pawl 27 is engaged with the first gear 280, and the pawl 27 toggles the first gear 280 to rotate; the cam 26 is coaxially and fixedly connected to the second gear 282, so that the cam 26 can rotate at a proper rotation speed to realize the lid opening and closing operation of the lid body 3.

Further, a first elastic element 20 is disposed between the pawl 27 and the pressing portion 24, and two ends of the first elastic element 20 respectively elastically abut against the pawl 27 and the pressing portion 24 to force the pawl 27 to engage with the gear element 28, so as to ensure that the pawl 27 can rotate the gear element 28.

Furthermore, a second elastic member 22 is disposed in the pressing portion 24, and two ends of the second elastic member 22 respectively elastically abut against the pressing portion 24 and the supporting member 1, so as to force the pressing portion 24 to automatically return. That is, the user presses the pressing portion 24 to slide the pressing portion 24 along the supporting member 1, and the transmission mechanism 4 converts the linear movement of the pressing portion 24 into rotation, so that the pot cover body 3 is fixed to the pot body 5 by rotation or the pot body 5 is released; after the user releases the pressing portion 24, the pressing portion 24 automatically returns under the action of the second elastic member 22.

In addition, the embodiment of the present application further provides a pressure cooker, which includes a cooker body 5 and any one of the cooker cover assemblies provided in the embodiments of the present application, the cooker cover assembly is installed on the top of the cooker body 5, and the cooker cover assembly is operable to cover or open the top opening of the cooker body 5.

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

Claims (10)

1. The utility model provides a pot cover subassembly for the lid fits pot body (5), the pot cover subassembly includes support piece (1) and pot cover body (3), support piece (1) can with pot body (5) card is solid, pot cover body (3) rotate connect in the below of support piece (1), rotate pot cover body (3) can make pot cover body (3) with the mutual buckle of pot body (5) or break away from the buckle, its characterized in that, the pot cover subassembly still includes:

the transmission mechanism (4) comprises a sliding block (40) connected with the supporting piece (1) and a connecting rod (42) connected with the pot cover body (3), and the sliding block (40) and the connecting rod (42) form a crank sliding block (40) mechanism;

the sliding block (40) is operated to move linearly, the sliding block (40) drives the connecting rod (42) to rotate, and the connecting rod (42) drives the pot cover body (3) to rotate.

2. The lid assembly of claim 1, further comprising a control mechanism (2), the control mechanism (2) comprising a cam (26) intermittently urged by the slider (40), the cam (26) being operated to rotate to drive the slider (40) to move back and forth along a straight line.

3. The lid assembly of claim 2, wherein the slider (40) is provided with a receiving groove (400) for receiving the cam (26), and the cam (26) is mounted in the receiving groove (400) and abuts against a groove wall of the receiving groove (400).

4. The lid assembly of claim 2, wherein the control mechanism (2) further comprises a pressing portion (24) linearly moving along the support member (1) and a converting mechanism;

the conversion mechanism is connected to the pressing portion (24) and the cam (26), and converts the linear motion of the pressing portion (24) into the rotational motion of the cam (26).

5. Pot cover assembly according to claim 4, characterised in that the conversion mechanism comprises a pawl (27) and a gear member (28);

the pawl (27) is fixedly arranged on the pressing part (24), the pawl (27) is meshed with the gear piece (28), and the cam (26) is connected to the gear piece (28);

operating the pressing part (24) to move linearly along the support part (1), wherein the pressing part (24) drives the pawl (27) to move linearly along the support part (1);

the pawl (27) pulls the gear piece (28) to rotate, and the cam (26) is driven to rotate through the gear piece (28).

6. The lid assembly of claim 5, wherein the gear member (28) includes a first gear (280) and a second gear (282) that mesh with each other;

the pawl (27) is in meshed connection with the first gear (280), and the cam (26) is coaxially and fixedly connected with the second gear (282).

7. The lid assembly of claim 5, wherein a first elastic member (20) is provided between the pawl (27) and the pressing portion (24);

two ends of the first elastic piece (20) respectively elastically prop against the pawl (27) and the pressing part (24) so as to force the pawl (27) to be meshed and connected with the gear piece (28).

8. The lid assembly of claim 7, wherein the pressing portion (24) is further provided with a second elastic member (22);

two ends of the second elastic piece (22) respectively elastically abut against the pressing part (24) and the supporting piece (1) so as to force the pressing part (24) to return automatically.

9. The lid assembly according to any one of claims 1-8, wherein the middle of the link (42) is pivotally connected to the support (1), the first end of the link (42) is connected to the slider (40), and the second end of the link (42) is connected to the lid body (3).

10. An autoclave, characterized by comprising the lid assembly of any one of claims 1-9.

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