CN221044751U - Pressure cooker cover and pressure cooker - Google Patents

Abstract

The application provides a pressure cooker cover and a pressure cooker, wherein the pressure cooker cover comprises a cover body and a clamping device which are detachably connected, the clamping device comprises a supporting piece, at least two clamps, a transmission piece and a driving piece, and the supporting piece is used for connecting the cover body; the clamp is connected to the supporting piece in a sliding way and can slide along the radial direction of the cover body, and the clamp is provided with a first transmission part; the transmission piece is rotatably connected to the supporting piece and is provided with a second transmission part, and the second transmission part is matched with the first transmission part; the driving piece is provided with a rotating fulcrum, a driven point and an active point, the rotating fulcrum is rotationally connected with the supporting piece, the driven point is connected with the transmission piece, and the distance between the active point and the rotating fulcrum is greater than the distance between the driven point and the rotating fulcrum. The application can solve the technical problems of complex structure, difficult disassembly and assembly and higher cost of the clamp assembly in the prior art.

Description

Pressure cooker cover and pressure cooker

Technical Field

The application relates to the technical field of kitchen appliances, in particular to a pressure cooker cover and a pressure cooker.

Background

Pressure cookers are a common cooking appliance, and the main function of the pressure cooker is to increase the heating temperature by increasing the air pressure in the cooker, so that the heating speed is increased. The pressure cooker mainly comprises a pressure cooker cover and a cooker body, wherein the pressure cooker cover and the cooker body are connected through a clamp, and the clamp can move relative to the cooker body so as to clamp or cancel clamping the pressure cooker cover and the cooker body at the same time. However, the existing clamp device has a complex structure, is not easy to assemble and disassemble and has high cost.

Disclosure of utility model

The application provides a pressure cooker cover and a pressure cooker, which are used for solving the technical problems of complex structure, difficult disassembly and assembly and higher cost of a clamp assembly in the prior art.

A first aspect of the present application provides a pressure cooker lid comprising a cover and a clamping arrangement detachably connected thereto, the clamping arrangement comprising:

the support piece is used for being connected with the cover body;

At least two clamps which are connected with the supporting piece in a sliding way and can slide along the radial direction of the cover body, wherein the clamps are provided with a first transmission part;

The transmission piece is rotationally connected to the supporting piece and is provided with a second transmission part which is matched with the first transmission part so as to convert the rotation of the transmission piece into radial movement of the clamp;

The driving piece, the driving piece is equipped with rotation fulcrum, passive point and initiative point, rotation fulcrum rotation connect in support piece, passive point connect in the driving piece, initiative point with distance between the rotation fulcrum is greater than passive point with distance between the rotation fulcrum.

The pressure cooker cover comprises a cover body and a clamping device which are detachably connected, wherein the clamping device comprises a supporting piece, at least two clamps, a transmission piece and a driving piece; the supporting piece is used for connecting the cover body, namely, the supporting piece forms a main body part of the clamping device, and other parts of the clamping device are all arranged on the supporting piece, so that the clamping device can be taken as a whole and can be detachably connected with the cover body, and therefore, the clamping device is convenient to assemble, disassemble, clean and maintain; the clamp is connected with the supporting piece in a sliding way and can slide along the radial direction of the cover body, so that the clamping and the clamping cancellation are realized, and the clamp is provided with a first transmission part; the transmission part is rotationally connected with the supporting piece, the transmission piece is provided with a second transmission part, and the second transmission part is matched with the first transmission part so as to convert the rotation of the transmission piece into radial movement of the clamp; the driving piece is provided with a rotating fulcrum, a driven point and an active point, the rotating fulcrum is rotationally connected to the supporting piece, the driven point is connected to the transmission piece, the distance between the active point and the rotating fulcrum is greater than the distance between the driven point and the rotating fulcrum, and therefore acting force of the active point is smaller than acting force of the driven point, and labor-saving operation is achieved.

Optionally, the driving piece sets up to the shaft-like, the fulcrum of rotation is located the middle part of driving piece, the initiative point with the passive point is located respectively the both sides of fulcrum of rotation makes the both sides of driving piece can the atress even, avoids the atress too concentrated and leads to the driving piece to damage.

Optionally, form the power arm between the initiative point with the fulcrum of rotation, along keeping away from the direction of fulcrum of rotation, the power arm is gradually to keeping away from support piece's direction slope increases the distance between initiative point and the support piece, forms great operating space, and the convenience of customers grips the power arm.

Optionally, the center of support piece is equipped with the round pin axle, the driving medium with the driving medium all overlaps and locates the round pin axle makes driving medium and driving medium coaxial setting, compact structure, the whole overall arrangement of convenient device to can reduce the loss of power transmission, improve transmission precision and transmission stability.

Optionally, one of the driving member and the driven point is provided with a protrusion, and the other one is provided with a groove, and the protrusion and the groove form a plug-in fit, so that the driving member and the driving member can be relatively fixed, that is, the driving member and the driving member form a whole, thereby avoiding the loss of power transmission between the driving member and the driven member.

Optionally, the supporting member is sandwiched between the transmission member and the driving member, so as to reduce the distance between the transmission member and the supporting member and the distance between the driving member and the supporting member, thereby enabling both the transmission member and the driving member to be stably connected to the supporting member.

Optionally, the support piece is equipped with the arc wall, the arc wall is followed the circumference of lid extends, protruding wearing to locate in the arc wall, and can follow the arc wall slides, forms the direction to driving medium and driving medium simultaneously through the arc wall, makes the action of driving medium and driving medium more steady.

Optionally, the pressure cooker cover further comprises a top cover, the top cover is detachably connected to the top of the supporting piece, the driving piece is located between the top cover and the supporting piece, and shielding and protection are formed on the driving piece through the top cover, so that the integrity of the device can be improved, the appearance can be improved, the use safety can be improved, and the driving piece is prevented from being scratched by a user; the driving point extends out of the top cover, so that a user can apply force to the driving point conveniently, and the operation is more convenient.

Optionally, one of the first transmission part and the second transmission part is a guide groove, and the other is a guide block, and the guide block is in sliding fit with the guide groove;

The guide groove is obliquely arranged, and gradually inclines to a direction far away from the axis of the cover body along the extending direction of the guide groove;

The oblique guide grooves form a partial movement in the circumferential direction of the cover body and a partial movement in the radial direction of the cover body, so that the rotation of the transmission piece is converted into a radial movement of the clamp.

The second aspect of the application provides a pressure cooker, which comprises a cooker body and any one of the pressure cooker covers provided by the application, wherein the clamping device can clamp the pressure cooker cover and the cooker body simultaneously when the pressure cooker cover is connected to the cooker body.

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 as claimed.

Drawings

Fig. 1 is a schematic structural view of a pressure cooker according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a pressure cooker according to an embodiment of the application;

FIG. 3 is a bottom view of a clamping device according to an embodiment of the present application;

FIG. 4 is an exploded view of a clamping assembly according to an embodiment of the present application;

FIG. 5 is a schematic view of a clamp device without a support according to an embodiment of the present application;

fig. 6 is a schematic top view of a pressure cooker cover according to an embodiment of the application.

Reference numerals:

01-a pressure cooker cover;

02-a pot body;

1-a cover body;

11-a sealing ring;

12-opening stop valve;

13-positioning structure;

2-clamping means;

21-a support;

211-pin shafts;

212-arc grooves;

21 a-a first part;

21 b-a second part;

22-clamp;

221-a first transmission part;

23-a transmission member;

231-a second transmission;

232-protrusions;

24-driving member;

241—pivot;

242-passive points;

243-active point;

244-a power arm;

25-top cover;

251-notch.

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

Detailed Description

The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

In the description of the present application, 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 unless explicitly specified or limited otherwise; the term "plurality" means two or more, unless specified or indicated otherwise; the terms "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, it should be understood that the terms "upper", "lower", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.

As shown in fig. 1 and 2, an embodiment of the present application provides a pressure cooker, which includes a pressure cooker cover 01 and a cooker body 02, wherein the pressure cooker cover 01 is detachably connected to the cooker body 02. Wherein, the pressure cooker cover 01 comprises a cover body 1 and a clamp device 2 which are detachably connected, for example, the clamp device 2 can be connected to the cover body 1 by a screw or a buckle, and when the pressure cooker cover 01 is connected to the cooker body 02, the clamp device 2 can clamp the pressure cooker cover 01 and the cooker body 02 at the same time, thereby realizing the reliable connection of the pressure cooker cover 01 and the cooker body 02; the cover body 1 is provided with a sealing ring 11, a pressure limiting valve (not shown in the figure) and a non-opening valve 12; the sealing ring 11 can form a sealing state between the pressure cooker cover 01 and the cooker body 02, so that gas in the cooker is prevented from leaking between the pressure cooker cover 01 and the cooker body 02; the pressure limiting valve is used for limiting the maximum pressure in the pot; the opening stop valve 12 is provided to penetrate the pressure cooker cover 01 and can be lifted up or down along the pressure cooker cover 01. When the opening stop valve 12 is lifted, a sealing state is formed, and high pressure can be formed in the pot; when the opening stop valve 12 descends, a pressure release state is formed, and the pressure in the cooker is released.

As shown in fig. 2-6, further, the clamping device 2 comprises a support 21, at least two clamps 22, a transmission member 23 and a driving member 24. The supporting member 21 is used for connecting the cover body 1, that is, the supporting member 21 forms a main body part of the clamping device 2, and other parts of the clamping device 2 are all installed on the supporting member 21, so that the clamping device 2 can be taken as a whole and can be detachably connected with the cover body 1, thereby facilitating disassembly, assembly, cleaning and maintenance; the clamp 22 is slidably connected to the support 21 and can slide along the radial direction of the cover 1, so as to realize clamping and unclamping, and the clamp 22 is provided with a first transmission part 221; the transmission part is rotatably connected to the supporting piece 21, the transmission piece 23 is provided with a second transmission part 231, and the second transmission part 231 is matched with the first transmission part 221 so as to convert the rotation of the transmission piece 23 into radial movement of the clamp 22; the driving member 24 is connected with the transmission member 23, and the driving member 24 is configured to receive external power, transmit the external power to the transmission member 23, and transmit the external power to the clamp 22 through the transmission member 23, thereby achieving movement of the clamp 22.

Specifically, the support member 21 is centered on the axis of the cover body 1, the edge of the support member 21 extends in a direction away from the axis of the cover body 1 to form an extension portion, and the clamp 22 is slidably connected to the extension portion, so as to increase the mating area of the support member 21 and the clamp 22, thereby increasing the reliability and stability of the connection of the clamp 22; the inside of the extension part is provided with a cavity extending along the radial direction of the cover body 1, and a part of the clamp 22 is accommodated in the cavity and can slide along the cavity; when the clamp 22 moves along the cavity in the direction of approaching to the axis of the cover body 1, the clamp 22 is clamped, the opening-stopping valve 12 can freely rise, and the cover closing safety is ensured; when the clamp 22 moves along the cavity in a direction away from the axis of the cover body 1, the clamp 22 removes clamping, and the clamp 22 blocks the lifting of the non-return valve 12, so that the cover opening safety is ensured. To facilitate the installation of the clamp 22, the support 21 may be configured as a first portion 21a and a second portion 21b that are mutually spliced, the first portion 21a and the second portion 21b form the cavity therebetween, and the first portion 21a and the second portion 21b may be fixed by means of screws or the like; a guide structure may be provided between the clamp 22 and the cavity to improve the stability of the motion of the clamp 22.

Wherein the transmission member 23 is rotatably connected to the center of the support member 21, and the clamps 22 are spaced around the center of the support member 21; the second transmission parts 231 are in one-to-one correspondence with the clamps 22, that is, one second transmission part 231 is provided on the transmission member 23 corresponding to each clamp 22, and the second transmission parts 231 are spaced around the center of the support member 21.

Further, a positioning structure 13 (such as a positioning column and a positioning groove) which are matched with each other is arranged between the extension part and the cover body 1; on the one hand, the reliability of the connection between the support 21 and the cover 1 can be increased, preventing the relative rotation of the two; on the other hand, the edge position of the supporting piece 21 can be fixed, and the edge of the supporting piece 21 is prevented from being tilted up.

Further, one of the first transmission part 221 and the second transmission part 231 is a guide groove, and the other is a guide block, and the guide block is in sliding fit with the guide groove, so that the relative movement of the first transmission part and the second transmission part is realized; the guide grooves are inclined, and gradually incline in a direction away from the axis of the cover body 1 along the extending direction of the guide grooves, and the inclined guide grooves form a partial movement along the circumferential direction of the cover body 1 and a partial movement along the radial direction of the cover body 1, so that the rotation of the transmission member 23 is converted into the radial movement of the clamp 22. It will be appreciated that the first transmission portion 221 and the second transmission portion 231 may take other configurations, such as a rack-and-pinion configuration, as long as the rotary motion can be converted into the linear motion.

Specifically, the guide grooves are distributed in a central symmetry around the axis of the transmission member 23, so that the movements of the clamps 22 can be consistent, thereby enabling the clamps 22 to be clamped or unclamped simultaneously. In one embodiment, the number of the clamps 22 is two, the two clamps 22 are symmetrically distributed, and the two guide grooves are parallel to each other, so that the structure is simple, the processing is easy, and the production cost is reduced.

Further, the driving member 24 is provided with a pivot 241, a passive point 242 and an active point 243, that is, the driving member 24 adopts a labor-saving lever structure, so that the operation is more labor-saving. The rotation fulcrum 241 is rotatably coupled to the support member 21 so that the driving member 24 can rotate relative to the support member 21; the passive point 242 is connected to the transmission member 23 for transmitting power to the transmission member 23; the user applies force to the active point 243 to rotate the driving member 24, and the active point 243 is further away from the rotation fulcrum 241 than the passive point 242, so that the acting force of the active point 243 is smaller than that of the passive point 242, and labor-saving operation is realized.

Further, the driving member 24 is provided in a rod shape, which is simple in structure and easy to manufacture, and it is understood that the driving member 24 may be provided in other suitable shapes, so long as the labor-saving lever structure can be formed; the rotation pivot 241 is located the middle part of driving piece 24, and initiative point 243 and passive point 242 are located the both sides of rotation pivot 241 respectively, make the both sides of driving piece 24 can the atress even, avoid the atress too concentrated and lead to driving piece 24 to damage.

Further, a power arm 244 is formed between the driving point 243 and the rotation fulcrum 241, and along the direction away from the rotation fulcrum 241, the power arm 244 gradually inclines in the direction away from the support 21, increasing the distance between the driving point 243 and the support 21, forming a larger operation space, and facilitating the user to hold the power arm 244.

Further, the pin shaft 211 is arranged in the center of the supporting piece 21, and the driving piece 23 and the driving piece 24 are sleeved on the pin shaft 211, so that the driving piece 23 and the driving piece 24 are coaxially arranged, the structure is compact, the integral layout of the device is convenient, the loss of power transmission can be reduced, and the transmission precision and the transmission stability are improved.

Further, one of the driving member 23 and the driven point 242 is provided with a protrusion 232, and the other is provided with a groove, and the protrusion 232 and the groove form a plug-in fit, so that the driving member 24 and the driving member 23 can be relatively fixed, that is, the driving member 23 and the driving member 24 form a whole, thereby avoiding the loss of power transmission between the two members; the recess may extend through the passive point 242 in the depth direction to increase the effective length of the mating, i.e. the mating can be made in the entire depth direction of the recess, thereby improving the reliability of the connection. It will be appreciated that the driving member 23 and the driven point 242 may be connected to each other in other ways, as long as the driving member 23 can be rotated by applying force to the driving member 23 through the driven point 242.

Further, the supporting member 21 is sandwiched between the transmission member 23 and the driving member 24, for example, the driving member 24 is stacked above the supporting member 21, and the transmission member 23 is stacked below the supporting member 21; the pin shafts 211 protrude from the surface of the supporting member 21 at both sides of the supporting member 21 to reduce the distance between the driving member 23 and the supporting member 21 and the distance between the driving member 24 and the supporting member 21, so that both the driving member 23 and the driving member 24 can be directly connected to the supporting member 21, and thus, both the driving member 23 and the driving member 24 can be stably connected to the supporting member 21. A locking structure (e.g. a resilient locking pin or the like) may be provided between the transmission member 23 and the support member 21 or between the driving member 24 and the support member 21 to enable the clamp 22 to stay stably in the clamped position or to cancel the clamped position.

Further, the supporting member 21 is provided with an arc groove 212, the arc groove 212 penetrates through the arc groove 212 along the thickness direction of the supporting member 21, the arc groove 212 extends along the circumferential direction of the cover body 1, the protrusion 232 penetrates into the guide groove and can slide along the arc groove 212, and the transmission member 23 and the driving member 24 are guided through the arc groove 212, so that the motion of the transmission member 23 and the driving member 24 is more stable.

Further, the pressure cooker cover 01 further comprises a top cover 25, wherein the top cover 25 is detachably connected to the top of the supporting member 21, for example, the top cover 25 is connected to the top of the supporting member 21 by a screw or a snap-fit manner; the top cover 25 may be used as a handle of the pressure cooker cover 01, and a user may hold the handle to lift the pressure cooker cover 01 without providing a separate handle on the cover body 1, so that the structure of the pressure cooker cover 01 is simplified, and of course, a separate handle may be additionally provided at other positions of the cover body 1.

Further, the driving piece 24 is located between the top cover 25 and the supporting piece 21, and shielding and protection are formed on the driving piece 24 through the top cover 25, so that the integrity of the device can be improved, the appearance can be improved, the use safety can be improved, and the driving piece 24 is prevented from damaging a user; the active point 243 extends out of the top cover 25 to facilitate the user to apply force to the active point 243, thereby facilitating the operation.

Further, a notch 251 is provided at one side of the top cover 25, a portion of the driving member 24 extends out of the top cover 25 through the notch 251, and the notch 251 extends in the circumferential direction of the top cover 25; on the one hand, the notch 251 forms a circumferential limit on the driving member 24 so as to limit the maximum rotation travel of the driving member 24; on the other hand, the notch 251 is used for supporting and limiting the driving member 24 in the axial direction, so that the driving member 24 is prevented from shaking up and down, and the driving member 24 is prevented from loosening or falling off.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. Pressure cooker lid, characterized in that it comprises a cover body (1) and a clamping device (2) which are detachably connected, said clamping device (2) comprising:

-a support (21), the support (21) being for connecting the cover (1);

at least two clamps (22), wherein the clamps (22) are connected to the supporting piece (21) in a sliding way and can slide along the radial direction of the cover body (1), and the clamps (22) are provided with a first transmission part (221);

The transmission piece (23), the transmission piece (23) is rotatably connected to the supporting piece (21), the transmission piece (23) is provided with a second transmission part (231), and the second transmission part (231) is matched with the first transmission part (221) so as to convert the rotation of the transmission piece (23) into radial movement of the clamp (22);

The driving piece (24), driving piece (24) are equipped with rotation fulcrum (241), passive point (242) and initiative point (243), rotation fulcrum (241) rotate connect in support piece (21), passive point (242) connect in driving piece (23), initiative point (243) with distance between rotation fulcrum (241) is greater than distance between passive point (242) and rotation fulcrum (241).

2. Pressure cooker lid according to claim 1, characterized in that the driving element (24) is arranged in a rod shape, the pivot point (241) is located in the middle of the driving element (24), and the active point (243) and the passive point (242) are located on both sides of the pivot point (241), respectively.

3. Pressure cooker lid according to claim 2, characterized in that a power arm (244) is formed between the active point (243) and the pivot point (241), the power arm (244) being gradually inclined in a direction away from the support (21) in a direction away from the pivot point (241).

4. Pressure cooker cover according to claim 1, characterized in that the centre of the support element (21) is provided with a pin (211), the transmission element (23) and the driving element (24) being both sleeved on the pin (211).

5. Pressure cooker lid according to claim 4, characterized in that one of the transmission element (23) and the passive point (242) is provided with a projection (232) and the other is provided with a recess, the projection (232) forming a plug-in fit with the recess.

6. Pressure cooker lid according to claim 5, characterized in that the support element (21) is sandwiched between the transmission element (23) and the driving element (24).

7. Pressure cooker lid according to claim 6, characterized in that the support (21) is provided with an arc-shaped groove (212), the arc-shaped groove (212) extending in the circumferential direction of the cover body (1), the protrusion (232) being provided in the arc-shaped groove (212) in a penetrating manner and being able to slide along the arc-shaped groove (212).

8. Pressure cooker lid according to any one of claims 1-7, characterized in that it further comprises a top cover (25), said top cover (25) being detachably connected to the top of said support (21), said driving member (24) being located between said top cover (25) and said support (21), said active point (243) protruding outside said top cover (25).

9. The pressure cooker lid according to any one of claims 1-7, characterized in that one of the first transmission portion (221) and the second transmission portion (231) is a guide groove, and the other is a guide block, and the guide block is in sliding fit with the guide groove;

the guide groove is obliquely arranged, and gradually inclines to a direction far away from the axis of the cover body (1) along the extending direction of the guide groove.

10. A pressure cooker, characterized in that it comprises a cooker body (02) and a pressure cooker cover (01) according to any one of claims 1 to 9, said clamping means (2) being able to clamp said pressure cooker cover (01) and said cooker body (02) simultaneously when said pressure cooker cover (01) is connected to said cooker body (02).