CN219940387U - Handpiece assembly and cooking utensil - Google Patents

Abstract

The utility model provides a head assembly and cooking utensil, head assembly include the headstock body and water injection mechanism, and water injection mechanism connects in the headstock body, and water injection mechanism includes water tank, evaporimeter and control switch, and the water tank communicates and can supply water to the evaporimeter with the evaporimeter, and control switch sets up on the inlet tube of intercommunication water tank and evaporimeter, and control switch sets up to: when the environmental temperature is higher than the preset temperature, the control switch is turned on, the water injection mechanism can supply water into the cooking cavity, and the water is formed into steam in the cooking cavity, so that the phenomenon that the food material is dehydrated too much to change into firewood is avoided, and the taste of the food material is improved.

Description

Handpiece assembly and cooking utensil

Technical Field

The disclosure belongs to the field of cooking appliances, and particularly relates to a machine head assembly and a cooking appliance.

Background

With the increasing level of living, cooking appliances for making food are also of a variety, gradually moving into a wide range of households, such as air fryers, and the effect in modern kitchens is not insignificant.

An air fryer cooks food by heating air and delivering heated air to a location in contact with the food using a centrifugal fan.

The air fryer can be used for cooking meat, and in general, the water loss of the meat is serious in the cooking process, so that cooked meat after cooking is relatively dry and has relatively poor edible mouthfeel.

Disclosure of Invention

The main object of the present disclosure is to provide a head assembly and a cooking appliance to improve the cooking taste of food materials.

For the above purpose, the present disclosure at least provides the following technical solutions:

in one aspect of the present disclosure, there is provided a head assembly including a head mount and a water injection mechanism connected to the head mount, the water injection mechanism including a water tank, an evaporator, and a control switch, the water tank being in communication with the evaporator and being capable of supplying water thereto, the control switch being disposed on a water inlet pipe in communication with the water tank and the evaporator, the control switch being configured to: and when the ambient temperature is higher than the preset temperature, the control switch is opened.

The utility model provides a aircraft nose subassembly includes water injection mechanism, and water injection mechanism can be according to temperature variation to the culinary art intracavity water supply, can form into vapor in the culinary art intracavity to avoid eating the too much firewood that changes of material dehydration, improved the culinary art taste of eating the material.

In an exemplary embodiment of the disclosure, the control switch includes a temperature control deformation member and a switching valve, and when the temperature of the temperature control deformation member is greater than a predetermined temperature, the temperature control deformation member is bent and deformed and drives the switching valve to be opened. When the temperature is higher than the preset temperature, the temperature control deformation piece can deform according to the temperature change, for example, but not limited to, the deformation of the temperature control deformation piece can be volume shrinkage or expansion, or bending deformation, so that the switch valve is driven to be opened or closed, and the water supply time and the water supply amount of the water injection mechanism in the cooking cavity are controlled.

Optionally, the temperature-controlled deforming member includes a bimetal.

Specifically, the switch valve comprises a switch seat and a moving part, wherein the moving part is movably connected with the switch seat, and when the temperature of the temperature control deformation part is higher than a preset temperature, the temperature control deformation part is bent and deformed and pushes the moving part to move to a first position relative to the switch seat, so that the switch valve is opened. The temperature change in the cooking cavity is controlled, so that the temperature control deformation piece is controlled to bend and deform, the moving piece is driven to move relative to the switch seat, the switch valve is opened, namely, the water supply time and the water supply quantity of the water injection mechanism to the cooking cavity are controlled by controlling the temperature change in the cooking cavity.

Further, the switch valve further comprises a reset piece, and when the temperature of the temperature control deformation piece is not greater than a preset temperature, the reset piece drives the moving piece to move to a second position relative to the switch seat, so that the switch valve is closed. By arranging the reset piece, when the temperature control deformation piece is restored to the initial state, the moving piece moves to the initial position relative to the switch seat, so that the switch valve is closed.

In another exemplary embodiment of the disclosure, the nose assembly further includes a heat shield connected to the nose base, the temperature control deforming member is connected to the heat shield, and the evaporator is disposed below the heat shield. Therefore, the evaporator is arranged in the cooking cavity below the heat shield, so that water vapor is conveniently supplied to the cooking cavity, and excessive water loss in the cooking process of food materials is avoided.

Optionally, the head assembly further comprises a heating element, the heating element is arranged below the heat shield, and the evaporator is arranged between the heat shield and the heating element along the height direction of the head assembly. Therefore, the evaporator is arranged above the heating element, and the heat radiation of the heating element can be prevented from being blocked by the evaporator, so that the food material can be heated more uniformly.

Specifically, the nose assembly further comprises a guide fan, the guide fan is rotatably connected to the nose seat body, the guide fan is arranged between the heat shield and the heating piece along the height direction of the nose assembly, and the evaporator is arranged on the radial outer side of the guide fan. Therefore, the evaporator is arranged on the radial outer side of the guide fan, and hot air flows outwards along the radial direction of the guide fan under the action of the guide fan so as to take away water vapor generated in the evaporator, so that the water vapor in the cooking cavity is uniformly distributed.

Further, the air outlet of the evaporator is arranged below the top edge of the guide fan along the height direction of the machine head assembly. Therefore, the air outlet of the evaporator is arranged on the hot air duct so as to further ensure the uniformity of water vapor in the cooking cavity.

According to another exemplary embodiment of the disclosure, the temperature control deformation member comprises an inner side portion, an outer side portion and a connecting portion connected between the inner side portion and the outer side portion, wherein the inner side portion is arranged on the inner side of the outer side portion along the radial direction of the machine head assembly, the outer side portion is connected to the heat shield, the inner side portion is provided with a first through hole, and the first through hole is arranged in alignment with the water inlet pipe; or alternatively, the first and second heat exchangers may be,

the temperature control deformation piece is disc-shaped, the outer ring edge of the temperature control deformation piece is connected with the heat shield, a second through hole is formed in the central portion of the temperature control deformation piece, and the second through hole is arranged in alignment with the water inlet pipe.

In another aspect of the present disclosure, a cooking appliance is provided that includes a pan body assembly having a cooking cavity and a head assembly as described above, the water injection mechanism being capable of supplying water to the cooking cavity.

Drawings

The foregoing and/or other objects and advantages of the disclosure will become more apparent from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a longitudinal sectional view of a cooking appliance provided in an exemplary embodiment of the present disclosure.

Fig. 2 is an exploded view of the cooking appliance of fig. 1.

Fig. 3 is an enlarged view of a portion of the water injection mechanism of fig. 1.

Fig. 4 is a partial enlarged view of the water filling mechanism in which the on-off valve is in a closed state in fig. 3.

Fig. 5 is a partial enlarged view of the water filling mechanism in which the on-off valve of fig. 4 is in an opened state.

Fig. 6 is a structural view of the bimetal provided in the first exemplary embodiment of fig. 1.

Fig. 7 is a structural view of a bimetal provided in the second exemplary embodiment of fig. 1.

Reference numerals illustrate:

1. a handpiece assembly; 2. A pan body assembly;

11. a headstock body; 12. A water injection mechanism;

13. an air supply mechanism; 21. An outer pot;

22. an inner pot; 121. A water tank;

122. a heat shield; 123. A temperature control deformation member;

124. an evaporator; 125. A connector;

126. a switch valve; 127. A lower inlet pipe;

128. an upper water inlet pipe; 131. A fan;

132. a heating member; 133. A driving motor;

134. a heat radiation fan; 1231. A connection part;

1232. an inner side portion; 1233. An outer side portion;

1234. a central portion; 1235. An outer ring edge;

1236. a first through hole; 1237. A second through hole;

1261. a switch base; 1262. A moving member;

1263. a reset member; 1264. And a seal.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the embodiments of the present disclosure should not be construed as limited to the embodiments set forth herein. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.

In the related art, the air fryer heats food materials with hot air, such as, but not limited to, a guide fan 131 rotates to blow hot air generated from a heating member 132 into a cooking cavity to heat the food materials.

An exemplary embodiment of the present disclosure provides a cooking appliance including a head assembly 1 and a pot assembly 2, wherein the pot assembly 2 has a cooking cavity for accommodating food materials, and the head assembly 1 is disposed above the pot assembly 2 to be capable of being covered on the pot assembly 2. In the cooking process of the food, the machine head assembly 1 can be covered above the pot body assembly 2, so that the cooking cavity is in a heat preservation state, and the heat utilization rate is improved.

As an example, the present embodiment is described taking a cooking appliance as an air fryer, but not limited thereto.

Alternatively, referring to fig. 1 and 2, the air fryer may be a drawer type air fryer, but not limited thereto, and the air fryer may be a flip type air fryer (not shown), in which case the head assembly 1 may be pivotally connected to one side of the pot body assembly 2, but not limited thereto.

For convenience of description, the present disclosure is illustrated by way of example, but not limitation, with a drawer-type air fryer.

Specifically, the pot body assembly 2 includes an outer pot 21 and an inner pot 22, wherein the outer pot 21 has an inner cavity in which the inner pot 22 is disposed, the inner cavity of the inner pot 22 being formed as a cooking cavity in which food materials can be placed to be heated.

Optionally, the pot body assembly 2 may further include a frying basket (not shown) disposed in the cooking cavity for supporting food materials, for example, but not limited to, the frying basket is provided with an oil leakage hole, and grease generated during cooking of the food materials can drip under the frying basket through the oil leakage hole, so that the food materials are separated from the grease, and the cooking taste of the food materials is improved. Further, in order to increase the circulation speed of the hot air, the frying basket is provided with ventilation holes, which are convenient for the hot air to pass through, but not limited to.

With continued reference to fig. 1 and 2, the head assembly 1 includes a head mount 11 and an air supply mechanism 13, and the head mount 11 may be disposed above the cooking cavity. The air supply mechanism 13 may be connected to the headstock 11 to be able to blow hot air into the cooking cavity to heat the food material.

In order to avoid too much dehydration of food materials in the cooking cavity, the machine head assembly 1 further comprises a water injection mechanism 12, the water injection mechanism 12 is connected to the machine head seat 11, the water injection mechanism 12 comprises a water tank 121, an evaporator 124 and a control switch, the water tank 121 is communicated with the evaporator 124 and can supply water to the evaporator 124, the control switch is arranged on a water inlet pipe communicated with the water tank 121 and the evaporator 124, and the control switch is arranged as follows: when the ambient temperature is greater than the predetermined temperature, the control switch is opened. The water injection mechanism 12 can supply water to the cooking cavity according to temperature change so as to form steam in the cooking cavity, thereby avoiding the change of firewood caused by excessive water loss of the food and improving the cooking taste of the food.

The present disclosure provides a handpiece assembly 1 including a control switch that can be turned on when the control switch is at an ambient temperature greater than a predetermined temperature, so that water in a water tank 121 can flow into an evaporator 124 and steam is provided into a cooking cavity, thereby avoiding excessive water loss and firewood drying during cooking of food materials and improving the cooking taste of the food materials. That is, the control switch of the present disclosure can be turned on or off by temperature control to control the outflow amount and outflow time of water in the water tank 121, thereby enabling control of the inflow amount and inflow time in the cooking cavity.

Specifically, the control switch includes a temperature-controlled deforming member 123 and an on-off valve 126, and when the temperature of the temperature-controlled deforming member 123 is greater than a predetermined temperature, the temperature-controlled deforming member 123 is bent to deform and drive the on-off valve 126 to open. It is understood that the temperature-controlled deforming member 123 is capable of deforming according to a temperature change, for example, but not limited to, the deformation of the temperature-controlled deforming member 123 may be volumetric shrinkage or expansion, or may be bending deformation.

For convenience of description, the temperature-controlled deforming member 123 of the present disclosure is described by taking an example of being capable of generating bending deformation when temperature changes, but is not limited thereto.

As an example, the temperature control deforming member 123 in the present embodiment includes a bimetal, but is not limited thereto. A bi-metallic strip is a composite material composed of two or more metals or other materials having suitable properties. The bimetal is also called a thermal bimetal, and because of the different thermal expansion coefficients of the component layers, when the temperature changes, the deformation of the active layer is larger than that of the passive layer, so that the whole bimetal is bent towards one side of the passive layer, and the curvature of the composite material changes to generate deformation.

Referring to fig. 1 to 6, in the present embodiment, the temperature control deforming member 123 is substantially Z-shaped, but not limited thereto. Fig. 3 and 4 show structural diagrams of the control switch in an off state, in which the control switch is normally in an initial state. Fig. 5 shows a structure in which the control switch is in an on state, when the water tank 121 is in communication with the evaporator 124, water in the water tank 121 may flow into the evaporator 124 and be evaporated to form water vapor.

In the present embodiment, the temperature-controlled deforming member 123 includes an inner portion 1232, an outer portion 1233, and a connecting portion 1231 connected between the inner portion 1232 and the outer portion 1233, wherein the inner portion 1232 is disposed inside the outer portion 1233 along the radial direction of the head assembly 1, but not limited thereto.

In the present embodiment, the outer portion 1233 is connected to the headstock 11, such as, but not limited to, the heat shield 122 (described below) connected to the headstock 11, and the inner portion 1232 extends toward the on-off valve 126, so that the temperature-controlled deforming member 123 is configured as a cantilever structure connected to the headstock 11, and the temperature-controlled deforming member 123 is deformed by bending when the temperature changes, such as, but not limited to, the deformation amount of the inner portion 1232 is large.

Specifically, the switch valve 126 includes a switch seat 1261 and a moving member 1262, the moving member 1262 is movably connected to the switch seat 1261, and when the temperature of the temperature-controlled deforming member 123 is greater than a predetermined temperature, the temperature-controlled deforming member 123 is bent and deformed and pushes the moving member 1262 to move to a first position relative to the switch seat 1261, so that the switch valve 126 is opened.

The water inlet pipe comprises an upper water inlet pipe 128 and a lower water inlet pipe 127 which are arranged at intervals along the height direction of the machine head assembly 1, and the control switch is connected between the upper water inlet pipe 128 and the lower water inlet pipe 127. Specifically, the upper end of the upper water inlet pipe 128 is connected to the water outlet of the water tank 121, the switch base 1261 has a shell structure, the water inlet of the switch base 1261 is connected to the lower end of the upper water inlet pipe 128, the water outlet of the switch base 1261 is connected to the upper end of the lower water inlet pipe 127, and the lower end of the lower water inlet pipe 127 extends toward the evaporator 124, so that water in the water tank 121 can flow into the evaporator 124.

As an example, the water tank 121 of the present embodiment is connected to the headstock 11, for example, but not limited to, the water tank 121 is detachably connected to the headstock 11, so as to facilitate cleaning of the water tank 121.

Referring to fig. 1, a water outlet of the water tank 121 is provided at a lower portion of the water tank 121 in a height direction of the head assembly 1, for example, but not limited to, a water outlet is provided at a bottom wall of the water tank 121. Optionally, the water filling port of the water tank 121 is disposed at the top of the water tank 121 along the height direction of the head assembly 1, so as to facilitate adding water into the water tank 121, but not limited thereto, the water filling port is disposed at the top wall of the water tank 121, wherein the top wall is located above the bottom wall along the height direction of the head assembly 1.

In order to improve the connection reliability of the water filling mechanism 12 and avoid the accidental leakage of the water outlet of the water tank 121, a connector 125 is provided at the water outlet of the water tank 121, but this is not limiting, i.e. the upper ends of the water tank 121 and the upper water inlet pipe 128 are connected together by the connector 125.

The moving member 1262 is movably disposed at the water outlet of the switch base 1261, so as to be capable of blocking the water outlet of the switch base 1261 or opening the water outlet of the switch base 1261.

In this embodiment, the switch valve 126 is disposed above the temperature-controlled deforming member 123 along the height direction of the head assembly 1, the lower end of the moving member 1262 abuts against the top surface of the temperature-controlled deforming member 123, and when the environmental temperature is greater than the predetermined temperature, the temperature-controlled deforming member 123 is bent and deformed upward and pushes the moving member 1262 to move upward relative to the water outlet of the switch seat 1261, so that the water outlet of the switch seat 1261 is opened.

Further, the temperature control deforming member 123 is provided with a first through hole 1236, and when the control switch is turned on, water in the upper water inlet pipe 128 can enter into the lower water inlet pipe 127 through the first through hole 1236, and enter into the evaporator 124. As an example, the first through hole 1236 is disposed on the inner portion 1232, and the first through hole 1236 is disposed opposite to the moving member 1262, but not limited thereto.

In order to improve the reliability of the switching valve 126, the moving member 1262 can be automatically reset to close the switching valve 126 when the temperature is less than the predetermined temperature, and the switching valve 126 further includes a reset member 1263, and when the temperature of the temperature control deformation member 123 is not greater than the predetermined temperature, the reset member 1263 drives the moving member 1262 to move to the second position relative to the switching seat 1261 so that the switching valve 126 is closed.

Specifically, the return member 1263 is exemplified by, but not limited to, a return spring in the present embodiment.

The return spring is sleeved outside the moving member 1262, and is in a compressed state, one end of the return spring abuts against the switch base 1261, and the other end abuts against the moving member 1262.

Referring to fig. 3 and 4, under the action of the return spring, the moving member 1262 is at the second position relative to the switch base 1261, the lower end of the moving member 1262 is attached to the top surface of the inner portion 1232, and the upper end of the moving member 1262 is tightly attached to the switch base 1261, so that the water outlet of the switch base 1261 is blocked.

In order to further improve the reliability of the on-off valve 126, the on-off valve 126 further includes a sealing member 1264, where the sealing member 1264 is disposed between the moving member 1262 and the on-off seat 1261, for example, but not limited to, the sealing member 1264 is disposed at an upper end of the moving member 1262 and is pressed between the water outlet of the on-off seat 1261 and an upper end of the moving member 1262.

Referring to fig. 5, the temperature-controlled deforming member 123 is bent upward at this time, and the direction of the arrow in the figure shows the bending direction of the temperature-controlled deforming member 123. The inner portion 1232 of the temperature-control deforming member 123 is bent upward to push the moving member 1262 to move upward relative to the switch base 1261, the return spring is further compressed, a gap is provided between the upper end of the moving member 1262 and the switch base 1261, that is, the water outlet of the switch base 1261 is in an open state, at this time, water in the switch base 1261 can enter the lower water inlet pipe 127 through the gap between the upper end of the moving member 1262 and the switch base 1261 and then enter the evaporator 124 through the first through hole 1236.

When the environmental temperature of the temperature control deformation member 123 is less than or equal to the predetermined temperature, the temperature control deformation member 123 returns to the original shape, that is, the inner side portion 1232 of the temperature control deformation member 123 is bent and deformed downward, and under the action of the return spring, the moving member 1262 moves downward relative to the switch seat 1261, so that the upper end of the switch seat 1261 is tightly attached to the switch seat 1261 again, and the water outlet of the switch seat 1261 is plugged again.

With continued reference to fig. 1 and 2, the head assembly 1 further includes a heat shield 122 coupled to the head base 11, the interior space of the air fryer being divided by the heat shield 122 into a heat dissipation chamber and a cooking chamber. As an example, in the embodiment, a heat dissipation cavity may be disposed in an upper space of the heat insulation cover 122 along the height direction of the cooking appliance, and the cooking cavity is disposed in a lower space of the heat insulation cover 122 along the height direction of the cooking appliance, but not limited thereto.

It will be appreciated that the evaporator 124 is disposed below the heat shield 122, i.e., the evaporator 124 is disposed within the cooking chamber to be able to provide water vapor to the cooking chamber. The temperature-controlled deforming member 123 is connected to the heat shield 122, for example, but not limited to, the temperature-controlled deforming member 123 is disposed above the heat shield 122 in the height direction of the head assembly 1.

Further, the head assembly 1 further comprises an air supply mechanism 13, and the air supply mechanism 13 is used for blowing hot air into the cooking cavity so as to cook food. The air supply mechanism 13 includes a fan 131, where the fan 131 is rotatably connected to the headstock 11, for example, but not limited to, the fan 131 is disposed below the heat shield 122, so that the fan 131 is disposed in the cooking cavity to be used for driving the air in the cooking cavity to flow, so as to improve the temperature uniformity in the cooking cavity, avoid excessive local heating of the food, and improve the uniformity of cooking of the food.

In this embodiment, the air supply mechanism 13 further includes a heating element 132, the heating element 132 is disposed below the heat shield 122, and the fan 131 is disposed between the heat shield 122 and the heating element 132 along the height direction of the machine head assembly 1, so that the fan 131 can blow the air heated by the heating element 132 to the cooking cavity for cooking the food.

In this embodiment, the fan 131 and the heating element 132 are disposed below the heat shield 122, the heating element 132 can heat the air to form hot air, and the fan 131 can blow the hot air to form hot air and blow the hot air into the cooking cavity for cooking food.

Optionally, the fan 131 is disposed above the heating element 132 along the height direction of the cooking apparatus, but not limited thereto. In order to drive the fan 131 to operate, the air supply mechanism 13 further includes a driving motor 133, the driving motor 133 is connected to the headstock 11, and an output shaft of the driving motor 133 extends to the cooking cavity along the height direction of the cooking appliance, and the fan 131 is connected to the output shaft, but not limited thereto.

As an example, the evaporator 124 is disposed between the heat shield 122 and the heating member 132 in the height direction of the head assembly 1, and the evaporator 124 is disposed radially outside the guide fan 131. The present disclosure facilitates evaporation of moisture within the evaporator 124 by disposing the evaporator 124 in a cooking cavity, such as, but not limited to, the evaporator 124 above the heating element 132 in the height direction of the head assembly 1, such that the evaporator 124 is at a higher ambient temperature.

Further, the air outlet of the evaporator 124 is disposed below the top edge of the guide fan 131 along the height direction of the head assembly 1, that is, the evaporator 124 is disposed on the hot air channel blown by the guide fan 131, and when the hot air passes through the air outlet of the evaporator 124, the steam in the evaporator 124 can be taken away, so that the flow of the steam is accelerated.

Further, in order to improve the operation reliability of the head assembly 1, to avoid the excessive temperature of the devices in the head assembly 1, the air supply mechanism 13 further includes a cooling fan 134, where the cooling fan 134 is used to drive the air in the cooling cavity to cool the components in the cooling cavity, so as to avoid the excessive temperature of the components.

As an example, the cooling fan 134 is disposed above the heat shield 122 along the height direction of the cooking appliance, that is, the cooling fan 134 is disposed in the cooling cavity, for example, but not limited to, the cooling fan 134 is connected to the output shaft of the driving motor 133, but not limited to, so that the cooling fan 134 and the guiding fan 131 are driven by the same driving motor 133, to reduce the number of components of the head assembly 1, simplify the structure of the cooking appliance, and reduce the manufacturing cost of the cooking appliance.

Referring to fig. 7, unlike the first exemplary embodiment, the temperature-controlled deforming member 123 of the present embodiment has a disc shape, the temperature-controlled deforming member 123 is connected to the heat shield 122, for example, but not limited to, an outer ring edge 1235 of the temperature-controlled deforming member 123 is connected to the heat shield 122, and the control switch is disposed at a central portion 1234 of the temperature-controlled deforming member 123. The central portion 1234 of the temperature-control deforming member 123 is provided with a second through hole 1237, the second through hole 1237 is aligned with the water inlet pipe, and when the temperature in the cooking cavity is higher than the predetermined temperature, the central portion 1234 of the temperature-control deforming member 123 is bent and deformed upwards to push the moving member 1262 upwards relative to the water outlet of the switch base 1261, so that the water outlet of the switch base 1261 is opened.

When the temperature in the cooking cavity is less than or equal to the predetermined temperature, the central portion 1234 of the temperature control deforming member 123 is bent downward to return to the initial state, and the moving member 1262 moves downward relative to the switch base 1261 under the action of the return spring, so that the upper end of the switch base 1261 is tightly attached to the switch base 1261 again, and the water outlet of the switch base 1261 is plugged again.

In the description of the present disclosure, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present disclosure and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present disclosure.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present disclosure, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present disclosure, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, and communicatively connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art in the specific context.

The described features, structures, or characteristics of the disclosure may be combined in any suitable manner in one or more embodiments. In the above description, numerous specific details are provided to give a thorough understanding of embodiments of the present disclosure. One skilled in the relevant art will recognize, however, that the disclosed aspects may be practiced without one or more of the specific details, or with other methods, components, materials, etc. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Claims (11)

1. A handpiece assembly, characterized in that the handpiece assembly (1) comprises:

a headstock body (11),

the water injection mechanism (12) is connected to the headstock body (11), the water injection mechanism (12) comprises a water tank (121), an evaporator (124) and a control switch, the water tank (121) is communicated with the evaporator (124) and can supply water to the evaporator (124), the control switch is arranged on a water inlet pipe communicated with the water tank (121) and the evaporator (124) so as to control the outflow quantity and outflow time of water in the water tank (121), and the control switch is arranged as follows: when the ambient temperature is higher than a preset temperature, the control switch is turned on, and when the control switch is turned on, the water tank (121) is communicated with the evaporator (124), so that the water tank (121) can add water to the evaporator (124).

2. The handpiece assembly of claim 1, wherein the control switch includes a temperature-controlled deforming member (123) and an on-off valve (126), and wherein the temperature-controlled deforming member (123) flexes and deforms and drives the on-off valve (126) open when the temperature of the temperature-controlled deforming member (123) is greater than a predetermined temperature.

3. The handpiece assembly of claim 2, wherein the temperature controlled deforming member (123) comprises a bimetallic strip.

4. The handpiece assembly of claim 2, wherein the switching valve (126) includes a switching seat (1261) and a moving member (1262), the moving member (1262) being movably coupled to the switching seat (1261), the temperature-controlled deforming member (123) being configured to flex and urge the moving member (1262) to move to a first position relative to the switching seat (1261) when the temperature of the temperature-controlled deforming member (123) is greater than a predetermined temperature, such that the switching valve (126) is opened.

5. The handpiece assembly of claim 4, wherein the on-off valve (126) further includes a reset member (1263), the reset member (1263) driving the moving member (1262) to move to a second position relative to the switch seat (1261) such that the on-off valve (126) is closed when the temperature of the temperature-controlled deforming member (123) is no greater than a predetermined temperature.

6. The head assembly according to any one of claims 2-5, wherein the head assembly (1) further comprises a heat shield (122) connected to the head mount (11), the temperature-controlled deformation member (123) is connected to the heat shield (122), and the evaporator (124) is disposed below the heat shield (122).

7. The head assembly of claim 6, wherein the head assembly (1) further comprises a heating element (132), the heating element (132) being disposed below the heat shield (122), the evaporator (124) being disposed between the heat shield (122) and the heating element (132) along a height direction of the head assembly (1).

8. The head assembly according to claim 7, wherein the head assembly (1) further comprises a fan (131), the fan (131) is rotatably connected to the head base (11), the fan (131) is disposed between the heat shield (122) and the heating member (132) in a height direction of the head assembly (1), and the evaporator (124) is disposed radially outside the fan (131).

9. The head assembly according to claim 8, wherein the air outlet of the evaporator (124) is provided below a top end edge of the guide fan (131) in the height direction of the head assembly (1).

10. The head assembly according to claim 6, wherein the temperature-controlled deforming member (123) comprises an inner side portion (1232), an outer side portion (1233), and a connecting portion (1231) connected between the inner side portion (1232) and the outer side portion (1233), the inner side portion (1232) being disposed inside the outer side portion (1233) in a radial direction of the head assembly (1), the outer side portion (1233) being connected to the heat shield (122), the inner side portion (1232) being provided with a first through hole (1236), the first through hole (1236) being disposed in alignment with the water inlet pipe; or alternatively, the first and second heat exchangers may be,

the temperature control deformation piece (123) is disc-shaped, an outer ring edge (1235) of the temperature control deformation piece (123) is connected to the heat shield (122), a second through hole (1237) is formed in a central portion (1234) of the temperature control deformation piece (123), and the second through hole (1237) is arranged in alignment with the water inlet pipe.

11. A cooking appliance, characterized in that it comprises a pot assembly (2) and a head assembly (1) according to any one of claims 1-10, said pot assembly (2) having a cooking cavity, said water injection mechanism (12) being able to supply water to said cooking cavity.