CN219396936U - Exhaust structure and pressure cooker - Google Patents

Abstract

The utility model provides an exhaust structure and a pressure cooker, comprising: a pot cover assembly; the pressure relief assembly comprises an exhaust rod arranged on the pot cover assembly and a pressure relief valve movably sleeved at the top of the exhaust rod; the button assembly is connected to the pot cover assembly in a vertically movable manner; the push rod assembly is movably connected with the pot cover assembly and is provided with a top setting part and a switching part. When a user presses the button assembly, the push rod assembly converts the downward pressure of the button assembly into horizontal thrust for pushing the push rod assembly to move horizontally, and the horizontal thrust of the push rod assembly drives the pressure release valve to move upwards through the switching part, so that the pressure release valve is arranged in a top mode, and the air outlet of the air exhaust rod is unblocked for pressure release; so, in the pressure release process, the contact surface of push rod subassembly and pot cover subassembly is big, and push rod subassembly is difficult to the atress deformation because of the unit atress is little in the pressure release process, is favorable to improving exhaust structure's practical life.

Description

Exhaust structure and pressure cooker

Technical Field

The utility model relates to the technical field of household appliances, in particular to an exhaust structure and a pressure cooker.

Background

The pressure cooker is also called a pressure cooker, and is a kitchen cooker. The pressure cooker can raise the physical phenomenon by the boiling point of liquid under higher air pressure, so that water can reach higher temperature without boiling, and the efficiency of stewing food is accelerated. The pressure cooker can be used for heating steamed foods to more than 100 ℃, and the problem that the boiling point of water is reduced and the steamed foods are difficult to cook can be avoided by using the pressure cooker in high-altitude areas.

Chinese patent of utility model, publication No. CN212015295U, discloses an exhaust structure of a pressure cooker and a pressure cooker, wherein the exhaust structure comprises: the middle part that utilizes the lever is articulated with the pot cover subassembly, and the lever has jack-up end and pressurized end, jack-up end and relief valve transmission cooperation, pressurized end and knob subassembly transmission cooperation, but the knob subassembly rotates the in-process downward butt pressurized end to drive jack-up end upwards swing, until with the relief valve jack-up. The lever principle is utilized to enable a user to avoid a pressure release valve in the pressure release process so as to avoid high-temperature steam burn, and the use safety of the pressure cooker is effectively improved.

However, the above-mentioned exhaust structure mainly relies on the lever to overhead the relief valve in the pressure release process, and the lever is supported by the middle part of lever in the use, and the atress is great between jack-up end and the middle part, and the atress warp and reduce exhaust structure's practical life in lasting atress in-process easily.

Disclosure of Invention

Based on the above, in order to solve the problems, the utility model provides an exhaust structure and a pressure cooker, and the specific technical scheme is as follows:

in one aspect, an exhaust structure includes:

a pot cover assembly;

the pressure relief assembly comprises an exhaust rod arranged on the pot cover assembly and a pressure relief valve movably sleeved at the top of the exhaust rod;

the button assembly is connected to the pot cover assembly in a vertically movable manner;

the push rod assembly is movably connected with the pot cover assembly and is provided with a top setting part and a switching part; the overhead part converts the vertical motion of the button assembly into the horizontal motion of the push rod assembly, the switching part is used for converting the horizontal motion of the push rod assembly into the up-and-down motion of the pressure release valve, and the push rod assembly is pushed by pressing the button assembly, so that the pressure release valve is pushed to be far away from the exhaust rod.

According to the exhaust structure, the push rod assembly is arranged on the pot cover assembly in parallel, when a user presses the button assembly, the downward pressure of the button assembly is converted into horizontal thrust for pushing the push rod assembly to move horizontally through the overhead part, and the horizontal thrust of the push rod assembly drives the pressure release valve to move upwards through the switching part, so that the overhead pressure release valve is realized, and the exhaust port of the exhaust rod is unblocked to release pressure; so, in the pressure release process, the contact surface of push rod subassembly and pot cover subassembly is big, and push rod subassembly is difficult to the atress deformation because of the unit atress is little in the pressure release process, is favorable to improving exhaust structure's practical life.

Further, the push rod assembly comprises a rod piece, a first spring piece and a push rod, the push rod can be connected to the pot cover assembly in an up-and-down moving mode, and the rod piece is provided with a first rod end, a second rod end and a pressing part for pressing the first spring piece; the first rod end is provided with a first pushing inclined plane which is used for being matched with the ejector rod; the second rod end is provided with a second pushing inclined plane which is used for being matched with the button assembly; when the button component is pressed down, the second pushing inclined plane is pushed against the elastic acting force of the first spring piece to push the rod piece to move, and the second pushing inclined plane pushes up the bottom of the ejector rod until the pressure release valve is far away from the exhaust rod.

Further, the first pushing ramp is inclined downward toward the middle of the lever, and the second pushing ramp is inclined downward toward the middle of the lever.

Further, the cooker cover assembly comprises a face cover and a lining group arranged at the bottom of the face cover, and an accommodating cavity is formed by enclosing the face cover and the lining group; the push rod assembly comprises a push rod arranged in the accommodating cavity; the ejector rod is slidably connected to the face cover and/or the lining group, the face cover is provided with a concave cavity for accommodating the pressure relief valve, and the exhaust rod is inserted and fixed to the bottom wall of the concave cavity.

Further, the pot cover assembly further comprises a push rod pressing plate and a push rod sealing ring, wherein the push rod pressing plate is provided with a guide through hole which is matched with the push rod; the ejector rod sealing ring is provided with a sleeve part and a mounting ring part, the sleeve part is sleeved on the rod head of the ejector rod, and the ejector rod pressing plate presses the mounting ring part to be fixedly mounted on the surface cover.

Further, the pressure release valve comprises a valve body and a top protruding portion, wherein the valve body is a cylinder, and the top protruding portion is a top protruding position arranged on the cylinder.

Further, the surface cover comprises a sleeving cavity and a clamping groove arranged in the sleeving cavity; the button component comprises a button piece and a second spring piece, the button piece comprises a sleeving part and a clamping part, the sleeving part is sleeved in the sleeving cavity, and the clamping part is clamped with the clamping groove, so that the sleeving part is limited to move in the sleeving cavity; one end of the second spring piece is propped against the sleeving part, and the other end of the second spring piece is propped against the bottom wall of the sleeving cavity.

Further, the surface cover and/or the lining set are/is provided with at least two limiting pieces, each limiting piece is arranged at intervals along the sliding direction of the rod piece, the rod piece is provided with a limiting groove in sliding fit with the limiting piece, and the limiting pieces are used for connecting the rod piece to the surface cover and/or the lining set in a sliding manner.

Further, the rod piece is in a strip-shaped plate structure.

In another aspect, a pressure cooker includes the venting structure as described above.

Drawings

The utility model will be further understood from the following description taken in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

FIG. 1 is a schematic view of an exhaust structure according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of an exhaust structure in a sealed state according to an embodiment of the present utility model;

FIG. 3 is a second cross-sectional view of the venting structure in a sealed condition in accordance with an embodiment of the utility model;

FIG. 4 is a cross-sectional view of an exhaust structure in an exhaust state according to an embodiment of the present utility model;

FIG. 5 is a second cross-sectional view of the exhaust structure in an exhaust state according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a rod in the exhaust structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1-pot cover components, 2-pressure relief components, 3-button components and 4-push rod components;

11-face covers, 12-inner lining groups, 13-ejector rod pressing plates and 14-ejector rod sealing rings;

101-concave cavities and 102-limiting pieces;

111-a socket cavity and 112-a clamping groove;

130-a guide through hole;

141-a sleeve part and 142-a mounting ring part;

21-an exhaust rod and 22-a pressure relief valve;

221-valve body, 222-top boss;

31-a button member, 32-a second spring member;

41-rod piece, 42-first spring piece, 43-ejector rod;

401-overhead, 402-adapter;

411-a first rod end, 412-a second rod end, 413-a pressing part and 414-a limit groove;

4110-first pushing inclined plane, 4120-second pushing inclined plane.

Detailed Description

The present utility model will be described in further detail with reference to the following examples thereof in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. 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. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" in this specification do not denote a particular quantity or order, but rather are used for distinguishing between similar or identical items.

In one aspect, as shown in fig. 2, 3, 4 and 5, an exhaust structure in an embodiment of the present utility model includes a lid assembly 1, a pressure release assembly 2, a button assembly 3 and a push rod assembly 4; the pressure release assembly 2 comprises an exhaust rod 21 arranged on the pot cover assembly 1 and a pressure release valve 22 movably sleeved on the top of the exhaust rod 21; the button assembly 3 is connected with the pot cover assembly 1 in a vertically movable manner; the push rod assembly 4 is movably connected to the pot cover assembly 1, the push rod assembly 4 is provided with a top setting part 401 and a switching part 402, the top setting part 401 converts the vertical motion of the push rod assembly 3 into the horizontal motion of the push rod assembly 4, the switching part 402 is used for converting the horizontal motion of the push rod assembly 4 into the up-and-down motion of the pressure release valve 22, the push rod assembly 4 is pushed by pressing the push rod assembly 3, and therefore the top setting pressure release valve 22 is far away from the exhaust rod 21 against the gravity.

In the exhaust structure, the push rod assemblies 4 are arranged on the pot cover assembly 1 in parallel, when a user presses the button assemblies 3, the downward pressure of the button assemblies 3 is converted into horizontal thrust for pushing the push rod assemblies 4 to horizontally move through the overhead parts 401, and the horizontal thrust of the push rod assemblies 4 drives the pressure release valve 22 to move upwards through the switching parts 402, so that the overhead pressure release valve 22 is realized to smoothly release the pressure of the exhaust port of the exhaust rod 21; so, in the pressure release process, the contact surface of push rod subassembly 4 and pot cover subassembly 1 is big, and push rod subassembly 4 is difficult to the atress deformation because of the unit atress is little in the pressure release process, is favorable to improving exhaust structure's practical life.

In one embodiment, the push rod assembly 4 comprises a rod 41, a first spring member 42 and a push rod 43, wherein the rod 41 is provided with a first rod end 411, a second rod end 412 and a pressing portion 413 for pressing the first spring member 42; the first rod end 411 is provided with a first pushing inclined surface 4110 for being matched with the ejector rod 43; the second rod end 412 is provided with a second pushing ramp 4120 for cooperating with the push button assembly 3; when the button assembly 3 is pressed down, the second pushing inclined plane 4120 pushes the rod 41 to move against the elastic force of the first spring member 42, and the second pushing inclined plane 4120 pushes up the bottom of the ejector rod 43 until the top of the ejector rod 43 pushes up the pressure release valve 22 away from the exhaust rod 21. Specifically, the button assembly 3 is provided with a pressing surface adapted to the second pushing inclined surface 4120 of the push rod assembly 4. Therefore, the second pushing inclined plane 4120 is utilized to convert the vertical downward pressure into the horizontal pushing force, and the first pushing inclined plane 4110 is utilized to convert the horizontal pushing force into the upward pushing force, so that a user avoids a pressure release valve in the pressure release process to avoid high-temperature steam burn, and the use safety of the pressure cooker is effectively improved.

Specifically, in the sealed state as shown in fig. 2 and 3, the exhaust port of the exhaust rod 21 is pressed by the pressure release valve 22 and cannot exhaust, the rod 41 is pressed by the first spring member 42 and the second rod end 412 abuts against the button assembly 3; in the venting state as shown in fig. 4 and 5, the user pushes the bottom of the button assembly 3 against the second pushing inclined surface 4120 to push the lever 41 against the elastic force of the first spring member 42 by pressing the button assembly 3, and the second pushing inclined surface 4120 pushes up the bottom of the venting rod 21 until the venting rod 21 pushes up the relief valve 22, so that the relief valve 22 is far away from the vent of the venting rod 21 to vent the venting rod 21.

As shown in fig. 6, in one embodiment, the first pushing ramp 4110 and the second pushing ramp 4120 are angled in opposite directions. In this way, by utilizing the pushing inclined planes with different inclined directions, the acting forces acting on the first pushing inclined plane 4110 and the second pushing inclined plane 4120 are mutually pulled or mutually opposed, so that the push rod assembly 4 is prevented from being difficult to reset due to the acting force in a single direction, and the practical service life of the exhaust structure is prolonged.

As shown in fig. 2 and 4, in one embodiment, the first pushing ramp 4110 is inclined downward toward the middle of the lever 41 and the second pushing ramp 4120 is inclined downward toward the middle of the lever 41. In this way, the acting forces acting on the first pushing inclined surface 4110 and the second pushing inclined surface 4120 pull each other, so as to avoid the situation that the rod 41 moves too long due to the fact that the acting forces are in the same direction in a single direction, and the exhaust structure is compact.

As shown in fig. 1, in one embodiment, the pot cover assembly 1 includes a cover 11 and a liner group 12 disposed at the bottom of the cover 11, where the cover 11 and the liner group 12 enclose a containing cavity; the push rod assembly 4 comprises a push rod 43 arranged in the accommodating cavity; the ejector rod 43 is slidably connected to the face cover 11 and/or the liner set 12, the face cover 11 is provided with a cavity 101 for accommodating the pressure release valve 22, and the exhaust rod 21 is inserted and fixed to the bottom wall of the cavity 101. In this way, the ejector rod 43 is accommodated by arranging the accommodating cavity on the pot cover assembly 1, and the pressure release valve 22 is arranged on the top by utilizing the ejector rod 43, so that the rod 41 is prevented from being in direct contact with the pressure release valve 22, and the space position of the exhaust structure is convenient to adjust.

As shown in fig. 2 and 3, in one embodiment, the pot cover assembly 1 further includes a push rod pressing plate 13 and a push rod sealing ring 14, wherein the push rod pressing plate 13 is provided with a guide through hole 130 for adapting to the push rod 43; the ejector rod sealing ring 14 is provided with a sleeve part 141 and a mounting ring part 142, the sleeve part 141 is sleeved on the rod head of the ejector rod 43, and the ejector rod pressing plate 13 presses the mounting ring part 142 to be fixedly mounted on the surface cover 11. Thus, the ejector rod 43 is guided by utilizing the guide through hole 130 of the ejector rod pressing plate 13, so that the ejector rod 43 can conveniently control the moving position of the ejector rod 43; meanwhile, the rod head of the ejector rod 43 is sleeved by the sleeve part 141 of the ejector rod sealing ring 14, so that the water is prevented from leaking from the guide through hole 130 due to the direct contact between the ejector rod 43 and the pressure release valve 22, and the waterproof effect is achieved.

In one embodiment, the relief valve 22 includes a valve body 221 and a top protrusion 222, the valve body 221 being a cylinder and the top protrusion 222 being a top protrusion disposed on the cylinder. In this way, the vent hole on the valve body 221 is conveniently avoided by providing the protruding portion 222.

As shown in fig. 1, in one embodiment, the face cover 11 includes a socket cavity 111 and a clamping groove 112 disposed in the socket cavity 111; the button assembly 3 comprises a button piece 31 and a second spring piece 32, the button piece 31 comprises a sleeving part and a clamping part, the sleeving part is sleeved in the sleeving cavity 111, and the clamping part is clamped with the clamping groove 112, so that the sleeving part is limited to move in the sleeving cavity 111; one end of the second spring member 32 presses against the sleeve portion, and the other end presses against the bottom wall of the sleeve cavity 111. In this way, by engaging the button member 31 in the engaging groove 112, the button member 31 is held in the raised state by the second spring member 32, and the exhaust structure is kept in the closed state without receiving an external force.

In one embodiment, at least two limiting members 102 are disposed on the cover 11 and/or the liner set 12, each limiting member 102 is disposed at intervals along the sliding direction of the rod 41, a limiting groove 414 in sliding fit with the limiting member 102 is disposed on the rod 41, and the limiting member 102 is used for slidably connecting the rod 41 to the cover 11 and/or the liner set 12. In this way, by providing the limiting member 102 and the limiting groove 414, the rod 41 moves along the limiting direction when being pressed down by the button member 31, thereby ensuring that the exhaust structure is stably switched between the sealing state and the exhaust state.

In one embodiment, the face cover 11 and/or the liner set 12 are provided with mounting posts, and one end of the first spring member 42 is connected to the mounting posts, and the other end is connected to the pressing portion 413. Specifically, the direction of the elastic force of the first spring member 42 is parallel to the sliding direction of the lever member 41. Thus, the provision of the mounting posts facilitates the provision of the first spring member 42 to provide a directional spring force to the lever 41.

In one embodiment, as shown in fig. 6, the bar 41 has a bar-like plate-like structure. Thus, the first rod end 411 and the second rod end 412 are both flat, and the bottom of the first rod end 411 and the bottom of the ejector rod 43 have a larger contact area, so that the pressure release valve 22 can be more stably lifted up by means of the ejector rod 43; and the second rod end 412 has a larger contact area with the bottom surface of the button member 31, so that the pressing action of the button member 31 is kept stable.

In one embodiment, the rod 41 is formed by integrally bending a sheet metal part in a strip-shaped plate structure, and has simple manufacturing process and high structural strength.

In another aspect, as shown in fig. 1, a pressure cooker according to an embodiment of the utility model includes the above-mentioned exhaust structure.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. An exhaust structure, comprising:

a pot cover assembly;

the pressure relief assembly comprises an exhaust rod arranged on the pot cover assembly and a pressure relief valve movably sleeved at the top of the exhaust rod;

the button assembly is connected to the pot cover assembly in a vertically movable manner;

the push rod assembly is movably connected with the pot cover assembly and is provided with a top setting part and a switching part;

the overhead part converts the vertical motion of the button assembly into the horizontal motion of the push rod assembly, the switching part is used for converting the horizontal motion of the push rod assembly into the up-and-down motion of the pressure release valve, and the push rod assembly is pushed by pressing the button assembly, so that the pressure release valve is pushed to be far away from the exhaust rod.

2. The exhaust structure according to claim 1, wherein the push rod assembly comprises a rod member, a first spring member and a push rod, the push rod is connected to the lid assembly in a manner of being movable up and down, and the rod member is provided with a first rod end, a second rod end and a pressing portion for pressing the first spring member;

the first rod end is provided with a first pushing inclined plane which is used for being matched with the ejector rod;

the second rod end is provided with a second pushing inclined plane which is used for being matched with the button assembly;

when the button component is pressed down, the second pushing inclined plane is pushed to overcome the elastic acting force of the first spring piece to push the rod piece to move, and the second pushing inclined plane pushes up the bottom of the ejector rod until the top of the ejector rod keeps the pressure release valve away from the exhaust rod.

3. The exhaust structure according to claim 2, wherein the first pushing ramp is inclined downward toward the middle of the rod, and the second pushing ramp is inclined downward toward the middle of the rod.

4. The exhaust structure according to claim 2, wherein the lid assembly comprises a lid and a liner group disposed at the bottom of the lid, and a receiving cavity is defined between the lid and the liner group;

the ejector rod is arranged in the accommodating cavity;

the ejector rod is slidably connected to the face cover and/or the lining group, the face cover is provided with a concave cavity for accommodating the pressure relief valve, and the exhaust rod is inserted and fixed to the bottom wall of the concave cavity.

5. The exhaust structure according to claim 4, wherein the lid assembly further comprises a push rod pressing plate and a push rod sealing ring, the push rod pressing plate being provided with a guide through hole for adapting to the push rod;

the ejector rod sealing ring is provided with a sleeve part and a mounting ring part, the sleeve part is sleeved on the rod head of the ejector rod, and the ejector rod pressing plate presses the mounting ring part to be fixedly mounted on the surface cover.

6. The vent structure of claim 4, wherein the pressure relief valve comprises a valve body and a top land, the valve body being a cylinder and the top land being a top land disposed on the cylinder.

7. The exhaust structure according to claim 4, wherein the face cover comprises a socket cavity and a clamping groove arranged in the socket cavity;

the button assembly includes a button member and a second spring member,

the button piece comprises a sleeving part and a clamping part, the sleeving part is sleeved in the sleeving cavity, and the clamping part is clamped with the clamping groove, so that the sleeving part is limited to move in the sleeving cavity;

one end of the second spring piece is propped against the sleeving part, and the other end of the second spring piece is propped against the bottom wall of the sleeving cavity.

8. The exhaust structure according to claim 4, wherein at least two limiting members are arranged on the face cover and/or the inner liner group, each limiting member is arranged at intervals along the sliding direction of the rod member, a limiting groove in sliding fit with the limiting member is arranged on the rod member, and the limiting members are used for connecting the rod member to the face cover and/or the inner liner group in a sliding manner.

9. The exhaust structure according to claim 8, wherein the rod member has a strip-like plate-like structure.

10. A pressure cooker, characterized by comprising an exhaust structure as claimed in any one of claims 1 to 9.