CN110584472A - Pressure regulating driving mechanism and cooking utensil - Google Patents

Abstract

The invention relates to a cooking utensil and a pressure regulating driving mechanism, wherein the pressure regulating driving mechanism comprises: a drive assembly; the pressure regulating assembly comprises a pressure regulating piece and a rack, one end of the rack along the extension direction of the rack is fixed on the pressure regulating piece, and the other end of the rack along the extension direction of the rack is arranged in a suspension manner and is in meshing transmission with the driving assembly; the pressure regulating piece and the rack are driven by the driving assembly to move back and forth along the extending direction of the rack. Among the above-mentioned pressure regulating actuating mechanism, through rack and drive assembly's meshing transmission, drive pressure regulating part reciprocating motion, and be provided with the portion of actuating of opening and close pressure valve on the pressure regulating part, when pressure regulating part reciprocating motion, through actuating the portion alright drive pressure valve and open and close. And, with the unsettled setting of rack, the pressure regulating spare need not extend the overlength, reduces the whole volume of pressure regulating subassembly, and the installation space that pressure regulating actuating mechanism needs is less, and the rack below can also set up other parts, effectively utilizes lid inner space to allow the pressure regulating subassembly can be in limited space reciprocating motion.

Description

Regulating drive mechanism and cooking utensil

technical field

The invention relates to the technical field of household electrical appliances, in particular to a voltage regulating drive mechanism and a cooking utensil.

Background technique

With the development of society and the progress of science, people are more and more pursuing the quality of life. Cooking utensils such as electric rice cookers and electric frying pans are widely used in people's daily life and have become indispensable tools in people's lives.

The rice cooker mainly includes a pot body, an inner pot, a cover body and a pressure regulating device, etc. The inner pot can be accommodated in the pot body, the cover body is closed on the pot body, and the pressure regulating device is assembled on the cover body to adjust the cooking inside the pot body. pressure. Generally, the pressure regulating device includes a pressure valve and a pressure regulating driving mechanism. The pressure regulating member in the pressure regulating driving mechanism moves back and forth and drives the pressure valve to open and close to perform pressure regulating work.

However, the inner space of the cover body is limited, and the reciprocating movement of the pressure regulating member in the pressure regulating driving mechanism requires more moving space, and the installation space required by the pressure regulating driving mechanism is larger.

Contents of the invention

Based on this, it is necessary to provide a pressure regulating drive mechanism that requires less installation space.

A pressure regulating drive mechanism is provided on a cooking appliance and includes:

drive components;

The pressure regulating assembly includes a pressure regulating member and a rack. One end of the rack along its own extension direction is fixed to the pressure regulating member. meshing transmission;

Wherein, the pressure regulating member and the rack are driven to reciprocate along the extending direction of the rack under the drive of the driving assembly.

In the above-mentioned pressure regulating drive mechanism, the gear rack and the drive assembly are engaged to drive the pressure regulating part to move back and forth, and the pressure regulating part is provided with an actuating part for opening and closing the pressure valve. The moving part can drive the pressure valve to open and close. Moreover, one end of the rack along its extending direction is fixed to the pressure regulator, and the other end of the rack along its extending direction is suspended and engaged with the driving assembly for transmission. In this way, the rack is suspended in the air to reduce the overall volume of the pressure regulating assembly, and the installation space required for the pressure regulating drive mechanism is small, and other components can be installed under the rack to effectively use the internal space of the cover, allowing the pressure regulating assembly to be installed in the It can move back and forth in a limited space.

In some of the embodiments, a supporting frame is further included, and the supporting frame is fixed to the cooking utensil and supported on a side of the rack facing away from the driving assembly.

In some of the embodiments, the supporting frame has a connecting part and a supporting part, one end of the connecting part is used to match with the cooking utensil, the other end of the connecting part is connected with the supporting part, and the supporting part A supporting plate is provided, and the supporting plate is supported on a side of the rack facing away from the driving assembly.

In some of these embodiments, the drive assembly includes a drive member and a transmission rod, and the transmission rod includes a connection end connected to the drive member, and a free end engaged with the rack for transmission;

Wherein, the support part includes a support plate intersecting with the supporting plate, and the transmission rod is limitedly fitted on the support plate along its own radial and/or axial direction.

In some of the embodiments, the free end is rotatably fitted to the support plate, and abuts against the support plate at the axial upper limit of the transmission rod.

In some of the embodiments, the supporting plate is located between the floating end and the connecting end, and the transmission rod is rotatably passed through the supporting plate.

In some of these embodiments, the support plate includes two, and the two support plates are respectively arranged at opposite ends of the same side of the support plate along the axial direction of the transmission rod;

Wherein, the transmission rod passes through the two support plates, and the suspended end is rotatably fitted on one of the two support plates, and the other of the two support plates is located Between the dangling end and the connecting end.

In some of the embodiments, one of the two supporting plates mated with the cantilevered end abuts against the cantilevered end at the axial upper limit of the transmission rod.

In some of these embodiments, the pressure regulating assembly further includes a limit bar, the limit bar is arranged in parallel with the rack on the side of the rack facing away from the transmission assembly, and the support The frame is at least partially located between the limiting bar and the rack.

In some of the embodiments, a mounting seat is further included, and the mounting seat is fixed to the cooking appliance, and both the driving member and the supporting frame are fixedly matched with the mounting seat.

The present invention also provides a cooking appliance, which includes a pressure valve and the above-mentioned pressure-regulating driving mechanism, and the pressure valve adjusts the internal pressure of the cooking appliance under the action of the pressure-regulating member.

Description of drawings

Fig. 1 is a structural schematic diagram of a pressure regulating drive mechanism in an embodiment of the present invention;

Fig. 2 is an exploded schematic view of the pressure regulating drive mechanism shown in Fig. 1;

Fig. 3 is a structural schematic diagram of the support frame in the pressure regulating drive mechanism shown in Fig. 1;

FIG. 4 is a structural schematic diagram of the pressure regulating member in the pressure regulating drive mechanism shown in FIG. 1 .

Detailed ways

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in FIG. 1 , in one embodiment of the present invention, a pressure regulating drive mechanism 100 is provided, which is arranged on a cooking appliance and includes a driving assembly 10 and a pressure regulating assembly 30 , and the pressure regulating assembly 30 operates under the drive of the driving assembly 10 , and drive the pressure valve in the cooking appliance to open and close, so as to adjust the cooking pressure inside the cooking appliance.

The pressure regulating assembly 30 includes a pressure regulating member 32 and a rack 34. The rack 34 is arranged on the pressure regulating member 32 and is engaged with the driving assembly 10 for transmission. The pressure regulating member 32 and the rack 34 are driven by the driving assembly 10 along the rack. The extending direction of 34 moves back and forth. In this way, through the meshing transmission between the rack 34 and the drive assembly 10, the pressure regulating member 32 is driven to reciprocate, and the pressure regulating member 32 is provided with an actuating part for opening and closing the pressure valve. The moving part can drive the pressure valve to open and close.

Moreover, one end of the rack 34 along its own extending direction is fixed to the pressure regulating member 32 , and the other end of the rack 34 along its own extending direction is suspended and engaged with the driving assembly 10 for transmission. In this way, the rack 34 is suspended in the air to reduce the overall volume of the pressure regulating assembly 30, and the installation space required by the pressure regulating drive mechanism 100 is small, and other components can be arranged under the rack 34, so that the inner space of the cover can be effectively used, allowing the adjustment The pressing assembly 30 can reciprocate in a limited space.

The driving assembly 10 includes a driving member 12 and a transmission rod 14 . The transmission rod 14 includes a connecting end 141 connected to the driving member 12 and a free end 143 meshing with the rack 34 for transmission. When the driver 12 cannot be installed close to the rack 34 and is far away from the rack 34 , the transmission rod 14 can output the rotational motion generated by the driver 12 to drive the rack 34 to move. Optionally, the transmission rod 14 includes a rod body 142 and a gear 144 , one end of the rod body 142 is connected to the driving member 12 , the other end of the rod body 142 is provided with a gear 144 , and the gear 144 is engaged with the rack 34 for transmission.

The pressure regulating drive mechanism 100 also includes a support frame 50, the support frame 50 is fixed to the cooking utensil and supported on the side of the rack 34 facing away from the drive assembly 10, which can provide the rack 34 with a support force directed from the rack 34 to the drive assembly 10. . When the driving assembly 10 is meshed with the suspended end of the rack 34 for transmission, the rack 34 will have a tendency to bend away from the driving assembly 10 under the action of the meshing force. At this time, the rack 34 is supported by the support frame 50 to prevent the rack 34 from bending and deforming. The amount of meshing with the drive assembly 10 is insufficient to prevent the slipping failure of the meshing transmission and ensure the stability of the meshing transmission.

The support frame 50 has a connecting portion 52 and a supporting portion 54, one end of the connecting portion 52 is used to match with the cooking utensil, the other end of the connecting portion 52 is connected with the supporting portion 54, the supporting portion 54 has a supporting plate 542, and the supporting plate 542 is supported on The side of the rack 34 faces away from the driving assembly 10 . In this way, the bracket 542 holds the rack 34 provided on the cantilever to prevent the rack 34 from being bent and deformed during meshing transmission. Optionally, the pressure regulating drive mechanism 100 also includes a mounting base 70, the mounting base 70 is fixed to the cooking utensil, and the driving member 12 and the support frame 50 are both fixedly connected to the mounting base 70, and the mounting base 70 is the driving member 12 and the supporting frame 50. Provides an installed base. Specifically, the connecting portion 52 of the support frame 50 is fixedly matched with the mounting seat 70 .

Further, the connecting portion 52 includes a first connecting plate 521 and a second connecting plate 523 that are intersected and connected, the first connecting plate 521 is fitted to the mounting base 70 , and the second connecting plate 523 extends along the mounting base 70 to the direction of the rack 34 , and connected between the first connecting plate 521 and the support portion 54 .

The support portion 54 further includes a support plate 544 intersecting with the support plate 542 , and the transmission rod 14 is limitedly fitted on the support plate 544 along its own radial and/or axial direction. The transmission rod 14 is transmission-connected between the driving member 12 and the rack 34 , and rotates under the driving of the driving member 12 . At the same time, the transmission rod 14 is limitedly mounted on the support plate 544, and the transmission rod 14 is limited radially and/or axially by the support plate 544 to prevent the transmission rod 14 from shaking during rotation.

In some embodiments, the free end 143 is rotatably coupled to the support plate 544 and abuts against the support plate 544 at the axial upper limit of the transmission rod 14 . The free end 143 of the transmission rod 14 is supported by the supporting plate 544 so that the free end 143 is supported in the radial direction and the free end 143 is prevented from bending. At the same time, the support plate 544 abuts against the axial limit of the transmission rod 14 to prevent the transmission rod 14 from moving along its own axial direction.

In some other embodiments, the supporting plate 544 is located between the suspended end 143 and the connecting end 141 , and the transmission rod 14 is rotatably passed through the supporting plate 544 . That is to say, the support plate 544 is sheathed on the middle part of the transmission rod 14 between the free ends 143 and the connectable ends 141 , and supports the transmission rod 14 in the radial direction of the transmission rod 14 to prevent the transmission rod 14 from bending.

In some other embodiments, the supporting plate 544 includes two, and the two supporting plates 544 are arranged on the opposite ends of the same side of the supporting plate 542 along the axial direction of the transmission rod 14, and the two supporting plates 544 are formed with the supporting plate 542 It is a U-shaped plate structure. Wherein, the transmission rod 14 passes through the two support plates 544, and the free end 143 is rotatably fitted on one of the two support plates 544, and the other of the two support plates 544 is located at the free end 143 and connected to between ends 141. That is to say, the transmission rod 14 is passed through the two support plates 544, and the limit transmission rod 14 is supported in the radial direction of the transmission rod 14 by the two support plates 544, so as to provide a supporting force for the transmission rod 14 and prevent the transmission rod 14 from Because of its long length, it shakes during rotation.

Further, one of the two support plates 544 that is matched with the free end 143 abuts against the free end 143 at the axial upper limit of the transmission rod 14 to prevent the transmission rod 14 from moving in its own axial direction. Optionally, the free end 143 is provided with a shoulder 146 abutting against the support plate 544 on the axial upper limit of the transmission rod 14 to prevent the transmission rod 14 from moving axially.

The pressure regulating assembly 30 also includes a limit bar 36, which is arranged parallel to the rack 34 on the side of the rack 34 facing away from the transmission assembly, and the support frame 50 is at least partly located between the limit bar 36 and the rack 34. Between them, the support frame 50 is supported by the limit bar 36 to prevent the support frame 50 from bending due to the pressure of the rack 34 .

In one embodiment of the present invention, there is also provided a cooking appliance, including a pressure valve and the above-mentioned pressure regulating drive mechanism 100 , the pressure valve regulates the internal pressure of the cooking appliance under the action of the above-mentioned pressure regulating assembly 30 . Moreover, the volume of the pressure regulating assembly 30 in the pressure regulating driving mechanism 100 is small and does not require much moving space, so that the installation space required by the pressure regulating driving mechanism is small, and the inner space of the cover can be effectively used. At the same time, the rack 34 in the pressure regulating member 32 is supported by the support frame 50 to prevent the rack 34 from bending; and the transmission rod 14 is passed through the support frame 50 and is restricted by the support frame 50 so that it will not shake during rotation. The pressure regulating drive mechanism 100 can be operated reliably while saving volume.

The various technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the various technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (11)

1. A pressure regulating drive mechanism (100), characterized in that it is located on a cooking utensil, and includes: drive assembly (10); The pressure regulating assembly (30) includes a pressure regulating part (32) and a rack (34), and one end of the rack (34) along its own extension direction is fixed to the pressure regulating part (32), and the rack ( 34) The other end along the extending direction of itself is suspended in the air, and is engaged with the drive assembly (10) for transmission; Wherein, the pressure regulating member (32) and the rack (34) move back and forth along the extending direction of the rack (34) under the drive of the drive assembly (10). 2. The pressure regulating drive mechanism (100) according to claim 1, further comprising a support frame (50), the support frame (50) being fixed to the cooking utensil and supported on the rack (34) A side facing away from the drive assembly (10). 3. The pressure regulating drive mechanism (100) according to claim 2, characterized in that, the support frame (50) has a connecting portion (52) and a supporting portion (54), and one end of the connecting portion (52) For mating with cooking utensils, the other end of the connecting part (52) is connected to the supporting part (54), the supporting part (54) has a supporting plate (542), and the supporting plate (542) supports On the side of the rack (34) facing away from the drive assembly (10). 4. The pressure regulating drive mechanism (100) according to claim 3, characterized in that, the drive assembly (10) comprises a drive member (12) and a transmission rod (14), and the transmission rod (14) comprises a The connecting end (141) connected to the driving member (12), and the free end (143) engaged with the rack (34) for transmission; Wherein, the support part (54) includes a support plate (544) intersecting with the support plate (542), and the transmission rod (14) is limitedly fitted on the on the support plate (544). 5. The pressure regulating drive mechanism (100) according to claim 4, characterized in that, the suspended end (143) is rotatably coupled to the support plate (544), and is connected to the support plate (544) ) abuts against the axial upper limit of the transmission rod (14). 6. The pressure regulating drive mechanism (100) according to claim 4, characterized in that, the support plate (544) is located between the suspended end (143) and the connecting end (141), and the The transmission rod (14) is rotatably passed through the support plate (544). 7. The pressure regulating drive mechanism (100) according to claim 4, characterized in that, the support plate (544) comprises two, and the two support plates (544) are along the length of the transmission rod (14). In the axial direction, they are respectively arranged at opposite ends of the same side of the supporting plate (542); Wherein, the transmission rod (14) passes through the two support plates (544), and the suspended end (143) is rotatably fitted on one of the two support plates (544), The other of the two supporting plates (544) is located between the suspended end (143) and the connecting end (141). 8. The pressure regulating drive mechanism (100) according to claim 7, characterized in that, one of the two support plates (544) that is matched with the suspended end (143) is connected with the suspended end (143) abuts against the axial upper limit of the transmission rod (14). 9. The pressure regulating drive mechanism (100) according to any one of claims 2-8, characterized in that, the pressure regulating assembly (30) further comprises a limit bar (36), and the limit bar (36 ) is arranged on the side of the rack (36) facing away from the transmission assembly in parallel with the rack (36), and the support frame (50) is at least partially located between the limit bar (36) and Between the racks (36). 10. The pressure regulating drive mechanism (100) according to any one of claims 3-8, characterized in that it further comprises a mounting base (70), the mounting base (70) is fixed to the cooking utensil, the Both the driving member (12) and the support frame (50) are fixedly matched with the mounting seat (70). 11. A cooking utensil, characterized in that it comprises a pressure valve and the pressure regulating drive mechanism (100) according to any one of claims 1-10, the pressure valve plays a role in the pressure regulating member (32) Next, adjust the internal pressure of the cooking appliance.