CN204813478U - exhaust device of pressure cooker and pressure cooker - Google Patents

Abstract

The utility model relates to an exhaust device of a pressure cooker and the pressure cooker. The exhaust device comprises: an exhaust pipe, one end of which can communicate with the cooking space of food in the pressure cooker; The force is blocked at the other end of the exhaust pipe, and the pressure limiting valve has a lug extending sideways; and the lever has a first end and a second end opposite to the first end, and the second end of the lever includes The top block protruding upwards, in the exhaust state of the exhaust device, the first end of the lever is driven to make the lever rotate, so that the top block pushes the protruding handle of the pressure limiting valve to realize exhaust. The exhaust device has a simple structure, fewer parts, is convenient for lean production, has less dependence on dimensional accuracy, and has a simple manufacturing process and stable quality.

Description

Pressure cooker exhaust device and pressure cooker

technical field

The utility model generally relates to cooking utensils, in particular to an exhaust device for a pressure cooker and a pressure cooker.

Background technique

In recent years, the pressure cooker has become a common cooking utensil in our country. After the pressure cooker is cooked, there is still pressure in the pot and the cover cannot be opened immediately. Consumers have to wait for the pressure to drop before opening the cover. The pressure method came into being. There are many decompression methods such as exhaust, air cooling, water cooling, etc. Among them, the decompression method of exhaust is the most convenient, low cost and widely used.

At present, the exhaust modes of pressure cookers on the market include manual exhaust mode and automatic exhaust mode. Among them, the manual exhaust method includes the traditional method of deflated by manually opening the pressure limiting valve, and a device with high safety through the combination of buttons, levers and ejector rods. The traditional method of manually opening the pressure-limiting valve to release air may easily cause the risk of burns to the user during operation, and the pressure-limiting valve cannot be automatically reset, which affects the normal cooking process. However, the exhaust structure using a combination of buttons, levers and ejector rods is generally more complex in structure, with many parts and high cost, which is not conducive to lean production, has high dependence on dimensional accuracy, is difficult to control in process, and unstable product quality. Therefore, there is a need for a pressure cooker exhaust device and a pressure cooker with simple structure, few parts, easy lean production, less dependence on dimensional accuracy, simple manufacturing process and stable quality.

Therefore, there is a need to provide an exhaust device for a pressure cooker and a pressure cooker to at least partly solve the above-mentioned problems.

Utility model content

The utility model is to at least partly solve the problems existing in the prior art.

According to one aspect of the present invention, an exhaust device for a pressure cooker is disclosed, which is characterized in that it includes: an exhaust pipe, one end of which can communicate with the cooking space of the food in the pressure cooker; A valve, the pressure limiting valve is blocked at the other end of the exhaust pipe with a certain force, and the pressure limiting valve has a protruding handle extending sideways; and a lever, the lever has a first end and At the second end opposite to the first end, the second end of the lever includes an upwardly protruding top piece. In the exhaust state of the exhaust device, the first end of the lever is driven to make the The lever is rotated so that the top block pushes the handle of the pressure limiting valve to realize exhaust.

The exhaust device of the pressure cooker of the utility model has simple structure, few parts, is convenient for lean production, has low dependence on dimensional accuracy, simple manufacturing process and stable quality.

Preferably, in the exhaust state of the exhaust device, the top of the top block contacts the lug.

Preferably, the exhaust device further includes an exhaust driving button, and in the exhaust state of the exhaust device, the exhaust driving button drives the first end of the lever.

Preferably, the first end of the lever includes a first horizontal section, and in the exhaust state of the exhaust device, the upper surface of the first horizontal section contacts the lower end of the exhaust driving button.

Preferably, it is characterized in that the lug extends radially outward from the top edge of the pressure limiting valve.

Preferably, the second end of the lever contacts the lower surface of the lug.

Preferably, the lever and venting knob are located in the main handle assembly of the pressure cooker.

Preferably, the exhaust driving button is provided with a driving part for contacting the first end and an engaging part for engaging with the main handle assembly.

Preferably, the exhaust driving button can move in translation along the vertical direction.

Preferably, the first end of the lever only extends below the side of the exhaust driving button close to the pressure limiting valve.

Preferably, in the vertical direction, the height of the part of the exhaust driving button that contacts the first end is smaller than the height of the top block.

Preferably, the height of the exhaust drive button in the vertical direction is 10mm-25mm.

According to another aspect of the present invention, a pressure cooker is disclosed, which includes the above-mentioned exhaust device of the pressure cooker. The pressure cooker can realize exhaust and pressure reduction, and the manufacturing process is simpler and the quality is stable.

Description of drawings

The above and other aspects of the present invention will become more apparent and easier to understand from the following description of the exemplary embodiments of the present invention in conjunction with the accompanying drawings, in which:

Fig. 1 is a partial cross-sectional schematic diagram of a pressure cooker according to a preferred embodiment of the present utility model;

Fig. 2 is a partial schematic diagram of the pressure cooker in Fig. 1, wherein the exhaust device is in the initial state;

Fig. 3 is a partial schematic diagram of the pressure cooker in Fig. 1, wherein the exhaust device is in an exhaust state.

Detailed ways

Preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be noted that the terms "upper", "lower", "front", "rear", "left", "right" and similar expressions used herein are for the purpose of illustration only, not limitation.

In order to briefly describe the implementation of the utility model, some parts that are known to those skilled in the art and not related to the invention of the utility model are omitted in the drawings or descriptions; meanwhile, although some parts are shown in the accompanying drawings , but not described in detail, because the structure and installation of these components are well known to those skilled in the art.

As shown in Figures 1-3, a pressure cooker with an exhaust device 100 according to a preferred embodiment of the present invention includes a pot body (not shown), an upper cover assembly 200 and a main handle assembly arranged on the upper cover assembly 200 300. The main handle assembly 300 includes a main handle cover 310 . Preferably, the main handle assembly 300 is used to control the cooperation between the upper cover assembly 200 and the pot body of the pressure cooker, so that the upper cover assembly 200 can move relative to the pot body between a locked position, an unlocked position and an open position.

As shown in FIG. 1 , the exhaust device 100 of the pressure cooker includes an exhaust drive button 110 , an exhaust pipe 120 , a pressure limiting valve 130 , and a lever 140 . Wherein, the lever 140 and the exhaust driving button 110 are arranged in the main handle assembly 300 of the pressure cooker, so that when assembling the pressure cooker, the lever 140, the exhaust driving button 110 and the main handle assembly 300 can be first assembled into an assembly to be assembled as a whole On the upper cover assembly 200, thereby improving assembly efficiency. Of course, in other embodiments, the lever 140 and the exhaust driving button 110 may not be arranged in the main handle assembly 300, but arranged on the pressure cooker in other ways. In this embodiment, the exhaust driving button 110 is provided with an engaging portion 111 for engaging with the main handle assembly 300, so as to limit the movement of the exhaust driving button 110 in the upward direction and prevent it from moving in the upward direction from the main handle assembly. 300 broke out.

As shown in FIG. 1 , the exhaust driving button 110 is disposed at a through hole in the middle of the main handle cover 310 , and can slide vertically under the action of the user. A return spring 150 ( FIG. 1 ) may also be provided on the exhaust driving button 110 , and the returning spring 150 will bias the exhaust driving button 110 upward when the user does not operate it. Although in this embodiment the exhaust driving button 110 slides in the vertical direction, those skilled in the art should understand that in other embodiments, the exhaust driving button 110 can also be inclined at a certain angle to the vertical direction. Swipe in the direction.

An exhaust pipe 120 is provided in the upper cover assembly 200 . The exhaust pipe 120 generally extends vertically, and one end (ie, the lower end) leads to the cooking space of the food in the pressure cooker when the upper cover assembly 200 is closed to the pot body. Specifically, it can be communicated with the food-accommodating cavity of the inner pot arranged in the pot body of the pressure cooker. The other end (ie, the upper end) of the exhaust pipe 120 leads to the pressure limiting valve 130, and the pressure limiting valve 130 is blocked on the exhaust pipe 120 with a certain force (such as gravity). Furthermore, as shown in FIG. 1 , the pressure limiting valve 130 has a protrusion 131 extending sideways.

In this embodiment, a lever 140 is provided between the exhaust driving button 110 and the pressure limiting valve 130 . The lever 140 is rotatably disposed on the main handle cover 310 through a stud, a rotating shaft and the like (not shown). Referring to FIG. 1 , the lever 140 has a first end 141 located at the exhaust driving button side 110 and a second end 142 opposite to the first end 141 located at the pressure limiting valve side. Preferably, the first end 141 of the lever 140 includes a first horizontal section, and the second end 142 of the lever 140 includes a top block 142a protruding upward. Preferably, the top block 142a is integrally formed with the lever 140, so as to reduce the number of parts of the pressure cooker, and lower the requirements on the dimensional accuracy of the parts during assembly. There is a transition section between the first end 141 and the second end 142, where the shaft of the lever can be set.

FIG. 2 and FIG. 3 show the working process of the exhaust device 100 for exhausting. Wherein, the exhaust device 100 in FIG. 2 is in an initial state, and the exhaust device 100 in FIG. 3 is in an exhaust state.

In the initial state in FIG. 2 , the exhaust driving button 110 is in the initial position, and its lower end does not touch the upper surface of the first horizontal section of the first end 141 of the lever 140 . At this time, the pressure limiting valve 130 is blocked at the upper end of the exhaust pipe 120 .

When the user presses down the exhaust driving button 110 in the vertical direction, the exhaust device 100 enters the exhaust state. As shown in FIG. 3 , at this moment, the exhaust driving button 110 moves to the exhaust position, and the lower end of the exhaust driving button 110—specifically, in this embodiment, the lower left end of the exhaust driving button 110—contacts the second end of the lever 140. The upper surface of the first horizontal section of the one end 141 is used to drive the first end 141 to drive the lever 140 to rotate clockwise. Wherein, the first end 141 of the lever 140 moves downward, driving the second end 142 of the lever to move upward, so that the top of the top block 142a of the second end 142 contacts the protruding handle 131 of the pressure limiting valve 130, thereby pushing the protruding handle 131 , thereby realizing the exhaust of the pressure cooker.

At the end of the exhaust, the user releases the exhaust driving button 110, and the exhaust driving button 110 moves upward under the action of the return spring 150. At the same time, the lever 140 turns counterclockwise and returns to the initial position, so that the pressure limiting valve 130 returns to the closed It is blocked at the upper end of the exhaust pipe 120. That is, the exhaust device 100 returns to the initial state of FIG. 2 .

As can be seen from the above description, in the exhaust device 100 of the pressure cooker of the present invention, since the pressure limiting valve 130 has a protruding handle 131 extending sideways, and the second end 142 of the lever 140 has an upwardly protruding top piece 142a, the protruding The structural cooperation between the handle 131 and the top block 142a makes the exhaust drive button 110 drive the lever 140 to rotate in the exhaust state, so that the top block 142a pushes the protruding handle 131 to realize exhaust. Those skilled in the art can understand that the shape of the pressure limiting valve and the lever makes the structure of the whole exhaust device very simple. Basically, a few parts such as the exhaust driving button, the lever, and the pressure limiting valve are used to realize the pressure cooker. The unique exhaust function reduces the number of cooperation between the various parts when assembling the pressure cooker, thereby reducing the requirements for the size of the parts. In short, the exhaust device of the pressure cooker has a simple structure, fewer parts, is convenient for lean production, has less dependence on dimensional accuracy, and has a simple manufacturing process and stable quality.

In this embodiment, the exhaust device 100 includes an exhaust drive button 110 for the user to manually operate to drive the lever 140 to perform exhaust. However, in other embodiments, the exhaust device 100 may not include an exhaust driving button, and the lever 140 in the exhaust device 100 may be electrically driven by other devices in the pressure cooker. For example, the first end 141 of the lever 140 may be driven by means of a pressing rod driven by a motor to realize the exhaust process.

As mentioned above, in this embodiment, in the exhaust state of the exhaust device 100, the top of the top block 142a directly contacts the protrusion 131 of the pressure limiting valve 130, thereby making the entire exhaust device 100 more compact and saving the entire The volume of the pressure cooker. Of course, in other embodiments, an intermediate member may be provided between the top of the top block 142a and the protrusion 131 of the pressure limiting valve 130, so as to push the protrusion 131 by the top block 142a. In addition, in this embodiment, the first end 141 of the lever 140 includes a first horizontal section, which is easy to manufacture, while in other embodiments, according to the specific structure and needs of the pressure cooker, the first end of the lever 140 can have any other suitable structure. In addition, in other embodiments, the exhaust driving button 110 may also be provided with a driving portion for contacting the first end 141 of the lever 140 to indirectly drive the lever 140 in the exhaust state.

Preferably, as can be seen from FIG. 1 , in this embodiment, the lug 131 extends radially outward from the top edge of the pressure limiting valve 130 . And, more preferably, in this manner, the second end 142 of the lever 140 contacts the lower surface of the protrusion 131 . These features of the protruding handle 131 and the lever 140 make the entire exhaust device 100 more compact, thereby saving the volume of the entire pressure cooker. Of course, in other embodiments, the lug can extend laterally from any other suitable position of the pressure limiting valve in any other suitable way; and the second end of the lever can also contact other positions of the lug, as long as the Press the protruding handle under the exhaust state of the air device to realize exhaust.

As shown in Figures 1-3, in this embodiment, the first end 141 of the lever 140 only extends to the side (the left side in the figure) of the exhaust driving button 110 close to the pressure limiting valve 130, instead of It extends to just below the pressure limiting valve 130 as in the prior art. In this way, during the working process of the exhaust device 100, the range in which the first end 141 of the lever 140 swings up and down is small, so that the required space in the pressure cooker becomes smaller, thereby facilitating the installation of other devices (such as electrical components, etc.) in the pressure cooker. and arrangement. Of course, in other embodiments according to the present utility model, the first end 141 of the lever 140 can extend to the right below the exhaust drive button 110 or other suitable positions, as long as the exhaust device 100 is in the exhaust state to achieve exhaustion. It only needs that the air-driven button 110 can drive the first end 141 of the lever 140 .

Correspondingly, in the exhaust device 100 of the present invention, the height of the exhaust driving button 110 is very small, preferably, in the vertical direction, the height of the part of the exhaust driving button 110 that contacts the first end 141 of the lever 140 less than the height of the top block 142a. More preferably, the height of the exhaust driving button 110 in the vertical direction may be 10mm-25mm. Therefore, since the exhaust driving button 110 with a smaller height occupies a smaller space in the pressure cooker, it is beneficial to arrange and arrange other devices (such as electrical components, etc.) in the pressure cooker.

The utility model also provides a pressure cooker, which includes the exhaust device of the pressure cooker described above. The exhaust device of the pressure cooker has a simple structure, fewer parts, is convenient for lean production, and is less dependent on dimensional accuracy, and the manufacturing process is simple and stable quality. Therefore, the pressure cooker according to the utility model can realize manual exhaust and pressure reduction, and the manufacturing process is simpler and the quality is stable.

Unless otherwise defined, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the present invention. The terminology used herein is only for describing specific implementation purposes, and is not intended to limit the utility model. Where terms such as "component" appear herein, they may refer to either a single part or a combination of parts. Terms such as "mounting", "disposing", etc. appearing herein may mean that one component is directly attached to another component, or that one component is attached to another component through an intermediary. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features, unless the feature is not applicable in that other embodiment or stated otherwise.

The present utility model has been described through the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of illustration and description, and are not intended to limit the present utility model to the scope of the described embodiments. Those skilled in the art can understand that more variations and modifications can be made according to the teaching of the utility model, and these variations and modifications all fall within the protection scope of the utility model.

Claims (13)

1. an exhaust device of pressure cooker, it is characterized in that, comprising: An exhaust pipe, one end of the exhaust pipe can communicate with the cooking space of the food in the pressure cooker; A pressure limiting valve, the pressure limiting valve is blocked at the other end of the exhaust pipe with a certain force, and the pressure limiting valve has a protrusion extending sideways; and a lever, the lever has a first end and a second end opposite to the first end, the second end of the lever includes a top piece protruding upward, and in the exhaust state of the exhaust device, the The first end of the lever is driven to rotate the lever so that the top block pushes the handle of the pressure limiting valve to realize exhaust. 2 . The exhaust device for pressure cooker according to claim 1 , characterized in that, in the exhaust state of the exhaust device, the top of the top block contacts the protrusion. 3 . 3. The exhaust device of the pressure cooker according to claim 1, further comprising an exhaust driving button, and in the exhaust state of the exhaust device, the exhaust driving button drives the lever of the first end. 4. The exhaust device of the pressure cooker according to claim 3, wherein the first end of the lever comprises a first horizontal section, and in the exhaust state of the exhaust device, the The upper surface of the first horizontal section contacts the lower end of the exhaust driving button. 5. The pressure cooker exhaust device according to any one of claims 1-4, wherein the protrusion extends radially outward from the top edge of the pressure limiting valve. 6. The exhaust device for pressure cooker according to claim 5, characterized in that, the second end of the lever contacts the lower surface of the protruding handle. 7. The exhaust device of the pressure cooker according to claim 3, wherein the lever and the exhaust driving button are arranged in the main handle assembly of the pressure cooker. 8. The exhaust device of the pressure cooker according to claim 7, characterized in that, the exhaust driving button is provided with a driving part for contacting with the first end and a driving part for engaging with the main handle assembly. snap part. 9 . The exhaust device of the pressure cooker according to claim 3 , wherein the exhaust drive button can move in translation along the vertical direction. 10 . 10 . The exhaust device of the pressure cooker according to claim 9 , wherein the first end of the lever only extends below the side of the exhaust driving button close to the pressure limiting valve. 11 . 11 . The exhaust device for pressure cooker according to claim 9 , characterized in that, in the vertical direction, the height of the part of the exhaust driving button contacting the first end is smaller than the height of the top block. 12. The exhaust device of the pressure cooker according to claim 11, characterized in that, the height of the exhaust driving button in the vertical direction is 10mm-25mm. 13. A pressure cooker, characterized in that it comprises the exhaust device of the pressure cooker according to any one of claims 1-12.