CN205107273U - Float controlled valve subassembly and have culinary art device of this float controlled valve subassembly - Google Patents

Abstract

The utility model discloses a float valve assembly and a cooking device with the float valve assembly. The float valve assembly comprises: a valve seat, a float, a sealing ring and a pressure relief piece. The exhaust cavity can be connected with the outside of the valve seat; the sealing ring is set on the valve seat, and the sealing ring is connected with the float, which drives the float to move when the sealing ring is deformed by external force. The connected through hole, the pressure relief piece is detachably arranged on the sealing ring and blocks the through hole, and the pressure relief piece is configured so that when the pressure in the cooking device is greater than a predetermined pressure, the pressure relief piece is separated from the through hole. According to the float valve assembly of the cooking device of the present invention, the pressure relief piece is detachably arranged on the sealing ring and the through hole is blocked to prevent pressure leakage during normal pressure operation, and the pressure relief piece Breaking away from the sealing ring realizes pressure relief protection when the internal pressure of the cooking device is too high, effectively improving the safety of the cooking device.

Description

Float valve assembly and cooking device with the float valve assembly

technical field

The utility model relates to the field of household appliances, in particular to a float valve assembly and a cooking device with the float valve assembly.

Background technique

Abnormal protection is required after the pressure of the cooking device is abnormal, but the float valve assembly in the cooking device in the related art cannot release the pressure when the pressure in the cooking device is too high, resulting in incomplete protection and needs improvement.

Utility model content

The utility model aims to solve one of the technical problems in the related art at least to a certain extent. Therefore, the utility model needs to propose a float valve assembly of a cooking device, which can realize pressure relief protection when the internal pressure of the cooking device is too high, and effectively improve the use safety of the cooking device.

The utility model also needs to provide a cooking device with the above-mentioned float valve assembly.

According to the first aspect of the utility model, the float valve assembly of the cooking device includes: a valve seat; a float, the float is movably arranged in the valve seat, and an exhaust chamber with an open bottom is arranged in the float, the The exhaust chamber can communicate with the outside of the valve seat; the sealing ring, the sealing ring is arranged on the valve seat, and the sealing ring is connected with the float, and when the sealing ring is deformed by an external force, it drives the The float moves, the sealing ring is provided with a through hole communicating with the exhaust chamber; the pressure relief sheet is detachably arranged on the sealing ring and blocks the through hole, the The pressure relief piece is configured to disengage from the through hole when the pressure inside the cooking device is greater than a predetermined pressure.

According to the float valve assembly of the cooking device of the present invention, the pressure relief sheet is detachably arranged on the sealing ring and the through hole is blocked to prevent pressure leakage when working under normal pressure, and to leak when the pressure is too high and abnormal. The pressing piece is separated from the sealing ring to realize pressure relief protection when the internal pressure of the cooking device is too high, thereby effectively improving the use safety of the cooking device.

In addition, the float valve assembly of the cooking device according to the present invention can also have the following additional technical features:

Further, the pressure relief sheet has a predetermined thickness, a groove is provided on the peripheral wall of the pressure relief sheet, and the inner periphery of the through hole is clamped in the groove.

Specifically, the groove is annular.

Preferably, the perimeter of the groove is smaller than the perimeter of the through hole.

Further, the bottom of the exhaust chamber is provided with a stopper protrusion extending inward, and the stopper protrusion abuts against the outer peripheral wall of the pressure relief sheet.

Specifically, an opening of the exhaust cavity adjacent to the through hole is larger than a diameter of the pressure relief sheet.

Specifically, the pressure relief sheet is a metal piece, a rubber piece or a silicone piece.

Further, a clamping groove is provided on the outer peripheral wall of the float, and a clamping part is provided on the sealing ring, and the clamping part is clamped into the clamping groove.

Further, an exhaust hole is provided on the side wall of the exhaust cavity, and the exhaust cavity communicates with the outside of the valve seat through the exhaust hole. When the float moves upward, at least a part of the exhaust hole located outside the valve seat.

The cooking device according to the second aspect of the utility model includes: a pot body; a pot cover, the pot cover is arranged on the pot body and can be opened or closed The novel float valve assembly of the cooking device described in the first aspect.

According to the cooking device of the present invention, by setting the float valve assembly of the cooking device according to the first aspect of the present invention on the pot cover, pressure leakage can be prevented when working under normal pressure, and when the pressure is too high and abnormal The rear pressure relief piece is separated from the sealing ring to realize pressure relief protection when the internal pressure of the cooking device is too high, effectively improving the use safety of the cooking device.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

Fig. 1 is a cross-sectional view of a pot cover of a cooking device according to an embodiment of the present invention;

Fig. 2 is an enlarged view of the circled A in Fig. 1 .

Reference signs:

float valve assembly 100;

Seat 1;

Float 2; exhaust cavity 21; stop protrusion 22; card slot 23; exhaust hole 24;

sealing ring 3; snap-in part 31;

Pressure relief sheet 4; Groove 41;

Pot cover 200.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as limiting the utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "below" a second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "under" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

The following describes a float valve assembly 100 of a cooking device according to an embodiment of the present invention with reference to FIGS. 1-2 . Optionally, the cooking device may be equipment such as a pressure cooker, an electric rice cooker, or an electric steamer. For the convenience of description, the following will take a pressure cooker as an example for detailed description.

Referring to FIG. 1 and FIG. 2 , a float valve assembly 100 of a cooking device according to an embodiment of the present invention includes: a valve seat 1 , a float 2 , a sealing ring 3 and a pressure relief piece 4 .

Specifically, the float 2 is movably arranged in the valve seat 1. As shown in FIG. Limit the trajectory of the float 2 to prevent deviation.

In the prior art, the float in the pressure cooker can prevent the lid from being opened halfway, that is to say, after the cooking is completed, the pressure cooker can only be opened when the pressure inside and outside the pressure cooker is consistent, so as to prevent the high-temperature food in the pot from overflowing and causing scald accidents.

Specifically, the sealing ring 3 is arranged on the bottom wall of the valve seat 1, and the sealing ring 3 is connected with the float 2, and drives the float 2 to move when the sealing ring 3 is deformed by an external force. Specifically, when the cooking device starts to work, the cooking The pressure inside the device gradually increases, and the pressure will deform the sealing ring 3 and drive the float 2 to move upward (upper as shown in Figure 1). After the pressure reaches a certain level, the sealing ring 3 and the float 2 will move upward together for a certain distance , cooperate with the stop element (not shown in the figure) arranged on the pot cover 200 to realize the function that the cover cannot be opened when the pressure does not exceed the safe value, which ensures the safety during use. When the pressure in the cooking device drops to After the safety value, the float 2 and the sealing ring 3 return to the initial position, so as to achieve the purpose of opening the pot cover.

In the embodiment of the present utility model, the float 2 is provided with an exhaust cavity 21 with an open bottom, and the exhaust cavity 21 can communicate with the outside of the valve seat 1. Specifically, as shown in FIG. The through hole connected to the exhaust cavity 21, the pressure relief piece 4 is detachably arranged on the sealing ring 3 and blocks the through hole, the pressure inside the cooking device gradually increases, and the pressure will make the sealing ring 3 deform so as to drive the float 2 upwards ( The top shown in Fig. 1) moves, and when within the controllable pressure range, the pressure relief sheet 4 still seals the through hole, to ensure that the pressure in the cooking device does not leak and work normally, when the cooking device works abnormally and When the pressure continues to increase and is greater than the predetermined pressure, the sealing ring 3 and the pressure relief sheet 4 are deformed upward at the same time. When the sealing ring 3 is deformed to a certain extent, the pressure relief sheet 4 and the through hole on the sealing ring 3 begin to loosen until The pressure relief piece 4 comes out from the sealing ring 3, at this time, the steam in the cooking device will enter the exhaust chamber 21 in the float 2 through the through hole on the sealing ring 3, and then be discharged to the valve seat 1 through the exhaust chamber 21 The outside of the cooker is released, thus ensuring the working safety of the cooking device.

According to the float valve assembly 100 of the cooking device of the embodiment of the present invention, the pressure relief sheet 4 is detachably arranged on the sealing ring 3 and the through hole is blocked to prevent pressure leakage when working under normal pressure. When the pressure is too high and abnormal, the pressure relief piece 4 is separated from the sealing ring 3 to realize pressure relief protection when the internal pressure of the cooking device is too high, effectively improving the safety of the cooking device.

In some embodiments of the present utility model, an exhaust hole 24 is provided on the side wall of the exhaust cavity 21, and the exhaust cavity 21 communicates with the outside of the valve seat 1 through the exhaust hole 24. When the float 2 moves upward, the exhaust hole At least a part of 24 is located outside the valve seat 1. Specifically, when the pressure in the cooking device increases continuously, the deformation of the sealing ring 3 drives the float 2 to move upward continuously. After moving a certain distance, the top of the float 2 protrudes from the valve seat 1. A certain distance, now the exhaust hole 24 on the side wall of the exhaust cavity 21 communicates with the outside of the valve seat 1, and when the internal pressure is within the normal range, the gas in the pot is sealed by the pressure relief valve and the sealing ring 3 and enters. When the internal pressure exceeds the predetermined value, the pressure relief sheet 4 falls off, and the pressure in the cooking device enters the exhaust chamber 21, and finally passes through the exhaust valve connected to the outside of the valve seat 1. Hole 24 releases.

In some embodiments of the present utility model, as shown in FIG. 2 , the pressure relief sheet 4 has a predetermined thickness, and the peripheral wall of the pressure relief sheet 4 is provided with a groove 41 , and the inner periphery of the through hole is clamped in the groove 41 , so that the pressure relief piece 4 and the sealing ring 3 can be firmly fixed together to a certain extent. When the pressure of the cooking device is at a normal value, the deformation of the sealing ring 3 is not enough to make the pressure relief piece 4 break away, thereby ensuring cooking During the normal operation of the device, when the cooking device works abnormally and the pressure continues to increase greater than the predetermined pressure, after the sealing ring 3 deforms to a certain extent, the pressure relief sheet 4 and the through hole of the sealing ring 3 begin to loosen until it is removed from the sealing ring 3 come out. Of course, there is no specific setting for the thickness of the pressure relief sheet 4 here, and technicians need to set it according to the specific requirements of the cooking device.

Specifically, the groove 41 can be annular, so that, on the one hand, the groove 41 can further block the through hole more effectively to ensure the effective operation of the cooking device. On the other hand, when the pressure is too large, the annular groove 41 The force on the pressure relief sheet 4 can be made uniform to prevent the phenomenon of being stuck and difficult to disengage, thereby effectively improving the working safety of the cooking device.

Preferably, the circumference of the groove 41 is smaller than the circumference of the through hole, that is to say, there is a certain gap between the through hole and the groove 41, so that, on the one hand, it is convenient to install the pressure relief sheet 4 on the through hole On the other hand, it is further to prevent the phenomenon of being stuck and difficult to disengage, so as to ensure that the pressure relief sheet 4 can effectively move so as to break away from the sealing ring 3 when the pressure is too high, so as to effectively improve the working safety of the cooking device.

In some embodiments of the present utility model, as shown in FIG. 2 , the bottom of the exhaust chamber 21 is provided with a stop protrusion 22 extending inward, and the stop protrusion 22 abuts against the outer peripheral wall of the pressure relief sheet 4 In this way, when the cooking device works within the preset pressure range, the stop protrusion 22 can effectively stop and seal the pressure relief piece 4, on the one hand, it can effectively ensure that the normal pressure does not leak, and on the other hand On the one hand, it can prevent the pressure relief sheet 4 from falling off from the sealing ring 3 under a small force, resulting in pressure leakage.

Specifically, the mouth of the exhaust cavity 21 adjacent to the through hole is larger than the diameter of the pressure relief sheet 4. Referring to FIG. 4 and the through hole of the sealing ring 3 begin to loosen, because the cavity opening of the exhaust chamber 21 adjacent to the through hole is set larger than the diameter of the pressure relief piece 4, thereby ensuring that the pressure relief piece 4 can be smoothly released from the sealing ring 3 out and fall into the exhaust chamber 21.

In some embodiments of the present utility model, the pressure relief sheet 4 can be a metal sheet, preferably an aluminum sheet or a stainless steel sheet. On the one hand, the metal sheet has a better pressure-bearing effect and is not easily deformed, which meets the design requirements of the product's pressure-bearing strength and Food hygiene standards and other advantages, on the other hand, the metal sheet has the advantages of convenient turning, no rust, etc., suitable for mass production, high stability and low cost.

Of course, the utility model is not limited thereto. In some other embodiments of the utility model, the pressure relief sheet 4 can also be a rubber part or a silicone part, and the rubber part or the silicone part is a common industrial part. Replacement and other advantages effectively reduce the production cost of the cooking device. On the other hand, the rubber or silicone parts have the advantages of good elasticity and good sealing, which can effectively seal the cooking device when the pressure is small, and when the pressure exceeds the expected When the value is high, it can also effectively deform and fall off with the sealing ring 3.

In some embodiments of the present invention, as shown in FIG. 2 , the outer peripheral wall of the float 2 is provided with a clamping groove 23 , and the seal ring 3 is provided with a clamping portion 31 , and the clamping portion 31 is clamped into the clamping groove 23 , specifically In other words, the float 2 is stably installed on the seal ring 3 through the cooperation of the clamping groove 23 and the snap-in part 31. After the valve seat 1 and the seal ring 3 are installed, a sealed space is formed to seal the float 2, thereby effectively preventing the float 2 from being soaked. Further, the float 2 and the sealing ring 3 are stably connected together, so that the sealing ring 3 can efficiently drive the float 2 to move. For example, when there is pressure in the cooking device, the deformation of the sealing ring 3 will drive the float 2 to the Seat 1 rises inside to realize the function of preventing the cover from being opened. When the pressure drops to a safe value, the float 2 returns to the initial position under the action of the sealing ring 3 to achieve the purpose of opening the cover.

In addition, the utility model also proposes a cooking device, including: a pot body (not shown in the figure) and a pot cover 200 .

The pot cover 200 is arranged on the pot body and can be opened or closed. The pot cover 200 is provided with the above-mentioned float valve assembly 100 of the cooking device according to the embodiment of the present utility model.

According to the cooking device of the embodiment of the present invention, the float valve assembly 100 of the above-mentioned cooking device according to the embodiment of the present invention is provided on the pot cover 200 to prevent pressure leakage when working under normal pressure, and to prevent pressure leakage when the pressure is too high. After a high abnormality, the pressure relief piece 4 is separated from the sealing ring 3 to realize pressure relief protection when the internal pressure of the cooking device is too high, and effectively improve the safety of the cooking device.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" is intended to mean that the implementation Specific features, structures, materials or characteristics described in an embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (10)

1. A float valve assembly of a cooking device, characterized in that, comprising: seat; A float, the float is movably arranged in the valve seat, the float is provided with an exhaust cavity with an open bottom, and the exhaust cavity can communicate with the outside of the valve seat; A sealing ring, the sealing ring is arranged on the valve seat, the sealing ring is connected with the float, and drives the float to move when the sealing ring is deformed by an external force, and the sealing ring is provided with the The through hole communicating with the exhaust cavity; A pressure relief sheet, the pressure relief sheet is detachably arranged on the sealing ring and blocks the through hole, and the pressure relief sheet is configured so that when the pressure in the cooking device is greater than a predetermined pressure, the The pressure relief piece is detached from the through hole. 2. The float valve assembly of the cooking device according to claim 1, wherein the pressure relief piece has a predetermined thickness, grooves are provided on the peripheral wall of the pressure relief piece, and the inner periphery of the through hole snapped into the groove. 3. The float valve assembly of the cooking device according to claim 2, wherein the groove is ring-shaped. 4 . The float valve assembly of the cooking device according to claim 2 , wherein the circumference of the groove is smaller than the circumference of the through hole. 5 . The float valve assembly of a cooking device according to claim 1 , wherein a stop protrusion extending inward is provided at the bottom of the exhaust cavity, and the stop protrusion stops against the pressure relief valve. 6 . on the peripheral wall of the sheet. 6 . The float valve assembly of a cooking device according to claim 1 , wherein an opening of the exhaust chamber adjacent to the through hole is larger than a diameter of the pressure relief sheet. 6 . 7 . The float valve assembly of the cooking device according to claim 1 , wherein the pressure relief piece is a metal piece, a rubber piece or a silicone piece. 8. The float valve assembly of the cooking device according to claim 1, characterized in that, the outer peripheral wall of the float is provided with a slot, and the sealing ring is provided with a snap-in portion, and the snap-in portion snaps into the inside the card slot. 9. The float valve assembly of the cooking device according to claim 1, wherein an exhaust hole is provided on the side wall of the exhaust cavity, and the exhaust cavity is connected with the valve through the exhaust hole. The seat is externally communicated, and at least a portion of the vent hole is located outside the valve seat when the float moves upward. 10. A cooking device, characterized in that, comprising: Pot body; A pot cover, the pot cover is arranged on the pot body and can open or close the pot body, the pot cover is provided with the float valve assembly of the cooking device according to any one of claims 1-9 .