CN213248585U

CN213248585U - Spray head and air fryer

Info

Publication number: CN213248585U
Application number: CN202021930479.6U
Authority: CN
Inventors: 郭建刚; 姜强
Original assignee: Guangdong Baishengtu Technology Co Ltd
Current assignee: Guangdong Baishengtu Technology Co Ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-05-25
Anticipated expiration: 2030-09-07

Abstract

The embodiment of the utility model provides a shower nozzle and air fryer, this shower nozzle includes valve body, valve block and spring, and the valve body has relative first end and second end, the first end of valve body is equipped with the spraying hole, the second end of valve body is equipped with the water inlet, have the valve pocket that communicates with the spraying hole and the water inlet respectively in the valve body; the valve block is arranged in the valve cavity, and a first end of the valve block faces the spray hole and is provided with an atomization channel; the spring is used for applying elastic force to the valve block, and under the action of the elastic force, the periphery of the first end of the valve block is abutted against the cavity wall of the first end of the valve cavity and shields the spray hole, so that the valve cavity is communicated with the spray hole through the atomization passage. The spray head has a good atomization effect, is simple in structure, the taste of food baked by the air fryer using the spray head is consistent, the production cost and the use cost are both low, and the spray head has good user experience and high market competitiveness.

Description

Spray head and air fryer

Technical Field

The embodiment of the utility model provides a relate to domestic appliance technical field, especially relate to a shower nozzle and air are fried and are cooked.

Background

Air fryers are designed to cook food products with a texture similar to fried food products by directing a stream of hot air over the surface of the food product quickly to create a crisp surface on the surface of the food product.

The Chinese patent with the granted publication number of CN 103142151B discloses a smokeless air fryer, which comprises an air fryer fixing body and an air fryer moving body, wherein a jacking type power switch is arranged on one side of the lower end face of the front part of the air fryer fixing body, which is used for mounting a boss of a timer, a jacking boss is arranged on one side of the upper end face of a handle, which is matched with an object containing basket in a locking and opening manner, of the air fryer moving body, and the jacking boss is matched with a jacking type power switch on one side of the lower end face of a boss part in the air fryer fixing body in a jacking manner; a planar spiral electric heating pipe is arranged below a hot air fan blade in the air fryer fixing body, a power supply head of the planar spiral electric heating pipe is connected with the inner wall of the air fryer fixing body through a connecting piece, and a pipe body of the planar spiral electric heating pipe is elastically connected with the inner wall of the air fryer fixing body through a tension spring; the middle part of the bottom of the oil receiving backflow pot in the moving body of the air fryer is arc-shaped, and the periphery of the pot wall and the pot bottom are arc-shaped. However, such air fryer not only forms a crisp surface layer on the surface of the food, but also easily causes the surface of the food to be dry and hard.

In the prior art, a part of air fryer sprays water vapor or water mist into the cavity baking cavity to improve the water content in the baking cavity, so that the surface of the food material is soft and tender. The steam generating device usually needs to generate steam by means of a heating device, so that the production cost is high, the power consumption is high, the use cost is high, and the energy conservation and the environmental protection are not facilitated. The current shower nozzle atomization effect that is used for spraying water smoke to toasting the chamber is relatively poor, and the water smoke that forms is inhomogeneous, can not be even scatter to the food surface, and then lead to the food taste uniformity of toasting relatively poor.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, the embodiment of the utility model provides a shower nozzle and air fryer makes this shower nozzle have better atomization effect, can form even water smoke, and the taste that makes the air fryer of using this shower nozzle toast the food is unanimous.

In order to solve the above problem, the embodiment of the present invention provides a technical solution:

a spray head, comprising:

the valve body is provided with a first end and a second end which are opposite, the first end of the valve body is provided with a spray hole, the second end of the valve body is provided with a water inlet, and a valve cavity which is respectively communicated with the spray hole and the water inlet is arranged in the valve body;

the valve block is arranged in the valve cavity, and a first end of the valve block faces the spray hole and is provided with an atomization channel;

and the spring is used for applying elastic force to the valve block, and under the action of the elastic force, the periphery of the first end of the valve block is abutted against the cavity wall of the first end of the valve cavity and shields the spray hole, so that the valve cavity is communicated with the spray hole through the atomization passage. The spray head has good atomization effect and simple structure.

In some embodiments, the first end of the valve cavity has a funnel-shaped throat portion, the throat end of the throat portion is connected and communicated with the spray hole, and the periphery of the first end of the valve block abuts against the cavity wall of the throat portion. The necking part has the effect of gathering water flow, can obviously improve the flow rate of the water flow, enables the water flow to form uniform small liquid drops after flowing through the atomizing channel at a high speed, and is beneficial to improving the atomizing effect.

In some embodiments, the valve block includes a first cylindrical portion, and a second cylindrical portion and a third cylindrical portion protruding from the middle of end surfaces of two ends of the first cylindrical portion, respectively, the diameters of the second cylindrical portion and the third cylindrical portion are smaller than the diameter of the first cylindrical portion, the atomizing channel is disposed on an end surface of an end portion of the second cylindrical portion and penetrates through to a circumferential surface of the end portion, one end portion of the spring is sleeved on the third cylindrical portion and abuts against the first cylindrical portion, and the other end of the spring is connected to the valve body. The valve block is balanced in stress and has better stability, so that the spray head has better atomization effect.

In some embodiments, the first cylindrical portion has a frustum-shaped flow guide portion at each of two ends thereof, and the larger-sized end of the flow guide portion is connected to the first cylindrical portion. Through setting up two water conservancy diversion portions, can ensure that rivers flow smoothly, avoid producing great disturbance, be of value to the atomization effect of guaranteeing the shower nozzle.

In some embodiments, a wedge-shaped groove is formed in an end face of the first end of the valve block, a tip end of the wedge-shaped groove extends to a middle portion of the end face of the first end of the valve block, a root end of the wedge-shaped groove extends to a peripheral surface of the valve block, and the wedge-shaped groove forms the atomization channel. The atomizing channel formed by the wedge-shaped groove has better atomizing effect.

In some embodiments, two wedge-shaped grooves are formed in the end surface of the first end of the valve block, and the two wedge-shaped grooves are symmetrically arranged. It is beneficial to further improve the atomization effect.

An air fryer comprises a fryer body, a hot air convection assembly and a spraying assembly, wherein a baking cavity is arranged in the fryer body; the hot air convection assembly is arranged on the pot body and used for heating air flow and guiding the air flow to flow so as to bake food materials in the baking cavity; the spraying assembly comprises a water tank, a water pump and the spray head, at least part of the spray head extends into the baking cavity, and the spray head is connected with the water tank through the water pump and used for spraying water mist to the baking cavity. The food baked by the air fryer with the spray head has the advantages of consistent taste, low production cost and use cost, good user experience and high market competitiveness.

In some embodiments, the hot air convection assembly is disposed at the top of the baking cavity, the nozzle extends into the baking cavity from a position on the sidewall of the baking cavity near the top end, and the spray direction of the nozzle faces the middle of the bottom surface of the baking cavity. So, the water smoke that sprays has great dispersion space, makes water smoke can scatter to the food surface that is located each position department of baking chamber, and then guarantees that food taste is unanimous.

In some embodiments, the spray assembly comprises a plurality of spray heads, the plurality of spray heads being evenly circumferentially distributed along a sidewall of the toasting chamber. Therefore, the uniformity of the water mist formed by the spraying assembly can be further improved, and the consistency of the mouthfeel of the food can be further improved.

In some embodiments, the air fryer further comprises a controller respectively connected to the hot air convection assembly and the water pump, wherein the controller is configured to send a first signal to the hot air convection assembly to turn off the hot air convection assembly, and send a second signal to the spray assembly to turn on the water pump to supply water to the spray head, so that the spray head sprays water mist to the baking chamber.

Compared with the prior art, the utility model discloses beneficial effect lies in:

the utility model discloses shower nozzle, simple structure has better atomization effect, and the soft tender degree of food taste that the air frying pan of using this shower nozzle toasted is unanimous, and manufacturing cost and use cost are all lower, have better user experience and higher market competition.

Drawings

FIG. 1 is a cross-sectional view of a showerhead in accordance with an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic structural diagram of a valve block of a nozzle according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of an air fryer, according to an embodiment of the present invention, from a perspective;

FIG. 5 is a schematic diagram of a spray assembly of an air fryer in accordance with an embodiment of the present invention;

FIG. 6 is a schematic perspective view of an air fryer in accordance with an embodiment of the present invention;

FIG. 7 is a cross-sectional view of an alternative perspective of an air fryer in accordance with an embodiment of the present invention.

Description of reference numerals:

100-pot body; 110-a baking chamber; 120-lower pan body; 130-an upper cover body;

200-a spray assembly; 210-a spray head; 211-a valve body; 212-a valve block; 213-a spring; 214-spray orifice; 215-valve cavity; 216-an atomizing channel; 217-a throat; 218-a wedge-shaped slot; 219-a first cylindrical portion; 220-a second cylindrical portion; 221-a third cylindrical portion; 222-a flow guide; 230-a water pump; 240-a water tank; 250-a waterway shunt tube;

300-hot air convection assembly; 310-a drive motor; 320-heat dissipation fan blades; 330-convection fan blades; 340-a heating element; 350-heat shield.

Detailed Description

For better understanding of the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 and 2, an embodiment of the present invention provides a spray head, which includes a valve body 211, a valve block 212, and a spring 213, where the valve body 211 has a first end and a second end opposite to each other, the first end of the valve body 211 is provided with a spray hole 214, the second end of the valve body 211 is provided with a water inlet, the water inlet of the valve body 211 is used for being connected to a water supply device such as a water pump, a valve cavity 215 is provided in the valve body 211, and the valve cavity 215 is respectively communicated with the water inlet and the spray hole 214; the valve block 212 is arranged in the valve chamber 215, the valve block 212 also has a first end and a second end opposite to each other, the first end of the valve block 212 faces the spray hole 214 and is provided with a spray passage 216, and the second end of the valve block 212 faces the water inlet; the spring 213 is used to apply an elastic force to the valve block 212, and under the elastic force, the periphery of the first end of the valve block 212 abuts against the chamber wall of the first end of the valve chamber 215 and covers the spray hole 214, so that the valve chamber 215 is communicated with the spray hole 214 through the atomization passage 216.

With the spray head with the structure, the valve block 212 has a tendency to move towards the first end of the valve cavity 215 under the action of the elastic force exerted by the spring 213, the periphery of the first end of the valve block 212 can be abutted against the cavity wall of the first end of the valve cavity 215 and shield the spray hole 214, at this time, the valve cavity 215 is communicated with the spray hole 214 through the atomization channel 216, water flows into the valve cavity 215 through the water inlet, and then is atomized into uniform water mist through the atomization channel 216, and finally the uniform water mist is sprayed out through the spray hole 214. The spray head is simple in structure and has a good atomization effect.

In some embodiments, the first end of the valve chamber 215 has a funnel-shaped throat 217, the throat end of the throat 217 is connected to and communicates with the spray orifice 214, and the first end of the valve block 212 abuts against the wall of the throat 217. The necking part 217 has the function of gathering water flow, can obviously improve the flow rate of the water flow, enables the water flow to form uniform small liquid drops after flowing through the atomizing channel 216 at a high speed, and is beneficial to improving the atomizing effect.

In some embodiments, as shown in fig. 2 and 3, a wedge groove 218 is formed on an end surface of the first end of the valve block 212, a tip end of the wedge groove 218 extends to a middle portion of the end surface of the first end of the valve block 212, a root end of the wedge groove 218 extends to a circumferential surface of the valve block 212, and the wedge groove 218 forms the atomization channel 216. A tapered flow passage section with gradually reduced cross-sectional area is formed between the necking portion 217 and the circumferential surface of the valve block 212, a superfine position of the flow passage is formed between the root end of the wedge-shaped groove 218 and the cavity wall of the necking portion 217, and a gradually expanding flow passage section with gradually increased cross-sectional area is formed between the process that the root end of the wedge-shaped groove 218 extends to the tip end and the cavity wall of the necking portion 217. The water flow speed is gradually accelerated through the gradually reducing flow passage section, and the water flow speed is sprayed into the gradually expanding flow passage section after passing through the superfine position and is gradually dispersed to form uniform small liquid drops, so that the atomization effect is better.

In a preferred embodiment, two wedge-shaped grooves 218 are formed in the end surface of the first end of the valve block 212, and the two wedge-shaped grooves 218 are symmetrically arranged. The two symmetrical atomizing channels 216 are formed, the two atomizing channels 216 and the spraying holes 214 form an approximately Y-shaped confluence structure, and water flows flowing out of the two atomizing channels 216 are crossly converged into the spraying holes 214 and are sprayed out through the spraying holes 214, which is beneficial to further improving the uniformity of water mist formed by the spray head. Of course, in practice, the wedge grooves 218 are not limited to two, and a plurality of wedge grooves 218 may be uniformly arranged around the center line of the first end of the valve block 212 to form a plurality of atomizing passages 216.

As shown in fig. 1 and 3, in some embodiments, the valve block 212 includes a first cylindrical portion 219, and a second cylindrical portion 220 and a third cylindrical portion 221 respectively protruding from the middle of the end surfaces of the two ends of the first cylindrical portion 219, the diameters of the second cylindrical portion 220 and the third cylindrical portion 221 are smaller than the diameter of the first cylindrical portion 219, the atomization passage 216 is disposed on the end surface of the end portion of the second cylindrical portion 220 and penetrates the circumference of the end portion, one end portion of the spring 213 is sleeved on the third cylindrical portion 221 and abuts against the first cylindrical portion 219, and the other end of the spring 213 is connected to the valve body 211. In an implementation, a connection portion may be protruded from the cavity wall at the second end of the valve cavity 215, and the other end of the spring 213 may abut against the connection portion. Further, the connection may be spherical to accommodate liquid flow. The first cylindrical portion 219, the second cylindrical portion 220, and the third cylindrical portion 221 may be cylindrical, and the axial lines of the three may coincide. The spring 213 is matched with the third cylindrical part 221 and the first cylindrical part 219 to ensure that the valve block 212 is stressed evenly, so that the valve block 212 has a tendency of moving towards the first end of the valve cavity 215, and the second cylindrical part 220 is matched with the necking part 217 to ensure that the periphery of the end part of the second cylindrical part 220 is tightly abutted against the cavity wall of the necking part 217 and block the spray hole 214, so that water flows into the spray hole 214 through the atomization passage 216, which is beneficial to improving the stability of the sprayer and ensuring that the sprayer has an improved atomization effect.

In some embodiments, the first cylindrical portion 219 has a frustum-shaped flow guide portion 222 at each end, and the larger-sized end of the flow guide portion 222 is connected to the first cylindrical portion 219. Through setting up two water conservancy diversion portions 222, make first cylindricality portion 219 can respectively with second cylindricality portion 220 and third cylindricality portion 221 smooth transition, and then make the appearance of valve block 212 be similar to and be the streamline shape to it is smooth and easy to ensure that rivers flow, avoids producing great disturbance, is of value to the atomization effect of guaranteeing the shower nozzle.

Referring to fig. 4 and 5, an embodiment of the present invention provides an air fryer, which includes a pot body 100, a hot air convection assembly 300, and a spraying assembly 200, wherein a baking cavity 110 is provided inside the pot body 100, and the baking cavity 110 is used for placing food materials; the hot air convection assembly 300 is disposed on the pan body 100, and is used for heating and guiding the air flow to flow, so as to bake the food material placed in the baking cavity 110; the spraying assembly 200 comprises a water tank 240, a water pump 230 and a spraying head 210 as described in any of the above embodiments, wherein the spraying head 210 at least partially extends into the baking chamber 110, and the spraying head 210 is connected with the water tank 240 through the water pump 230 for spraying water mist to the baking chamber 110, as shown by the arrow in fig. 4.

Because the nozzle 210 has a good atomizing effect, the nozzle assembly 200 using the nozzle 210 can uniformly spray water mist into the baking cavity 110, and the water mist can uniformly scatter on the surface of food, so that the food baked by the air fryer has a consistent taste and good user experience; and the spraying assembly 200 only comprises the spray head 210, the water pump 230 and the water tank 240, so that the structure is simple, the production cost or the use cost is low, and the market competitiveness is improved.

In some embodiments, as shown in fig. 4 and fig. 6, the hot air convection assembly 300 may be disposed at the top of the baking chamber 110, the spray head 210 extends into the baking chamber 110 from a position near the top end on the sidewall of the baking chamber 110, and the spray direction of the spray head 210 faces the middle of the bottom surface of the baking chamber 110. Like this, the water smoke that sprays has great dispersion space, makes water smoke can scatter to the food surface that is located baking chamber 110 each position department, and then guarantees that the food taste is unanimous. Specifically, the pot body 100 may include a lower pot body 120 with an open top end and an upper cover body 130 covering the lower pot body 120, and the hot air convection assembly 300 may be disposed in the middle of the bottom surface of the upper cover body 130. The water tank 240 may be detachably connected to the top of the upper cover 130 to facilitate water replenishment, the upper cover 130 may have a receiving cavity therein, the water pump 230 and some structural components of the hot air convection assembly 300 may be installed in the receiving cavity, and the spray head 210 may extend from the bottom surface of the upper cover 130 near the periphery.

In a preferred embodiment, the spray assembly 200 can include a plurality of spray heads 210, and the plurality of spray heads 210 can be uniformly arranged circumferentially along the sidewall of the toasting chamber 110. Thus, the uniformity of the water mist formed by the spraying assembly 200 can be further improved, which is beneficial to further improving the consistency of the mouthfeel of the food. In a specific implementation, two spray heads 210 may be symmetrically disposed on the upper cover 130, and the water pump 230 may be respectively connected to the two spray heads 210 through, for example, a water path diversion pipe 250, as shown in fig. 5.

As shown in fig. 7, in some embodiments, the hot air convection assembly 300 may include a driving motor 310, a heat dissipation fan blade 320, a convection fan blade 330, and a heating element 340, the driving motor 310 is disposed in the upper cover 130, a rotating shaft of the driving motor 310 extends out from the middle of the bottom surface of the upper cover 130, the heat dissipation fan blade 320 and the convection fan blade 330 are both connected to the rotating shaft of the driving motor 310, the convection fan blade 330 is located below the heat dissipation fan blade 320, a heat insulation cover 350 is disposed between the heat dissipation fan blade 320 and the convection fan blade 330, and the heating element 340 is disposed below the convection fan blade 330. The driving motor 310 is used for driving the heat dissipation fan blade 320 and the convection fan blade 330 to rotate synchronously, and the convection fan blade 330 can guide the air flow in the middle of the baking cavity 110 to move upwards in the rotating process, and the air flow passes through the heating element 340, then is uniformly dispersed and flows towards the periphery of the top wall of the baking cavity 110, and then flows downwards close to the side wall of the baking cavity 110 to form a circulation.

In some embodiments, the air fryer further comprises a controller connected to the convection hot air assembly 300 and the water pump 230, respectively, the controller being configured to send a first signal to the convection hot air assembly 300 to turn off the convection hot air assembly 300 and a second signal to the spray assembly 200 to turn on the water pump 230 to supply water to the spray head 210, such that the spray head 210 sprays water to the baking chamber 110. That is, the controller opens the spraying assembly 200 and sprays the water mist to the baking chamber 110, and simultaneously closes the hot air convection assembly 300 to avoid the water mist to flow along with the air current, make the water mist can be even scatter to the food surface under the effect of inertia and gravity, in order to ensure that the food taste of baking out is soft and tender.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. A spray head, comprising:

and the spring is used for applying elastic force to the valve block, and under the action of the elastic force, the periphery of the first end of the valve block is abutted against the cavity wall of the first end of the valve cavity and shields the spray hole, so that the valve cavity is communicated with the spray hole through the atomization passage.

2. The spray head of claim 1, wherein the first end of the valve chamber has a funnel-shaped throat portion, the throat end of the throat portion is engaged with and communicates with the spray orifice, and the periphery of the first end of the valve block abuts against the wall of the throat portion.

3. The spray head of claim 2, wherein the valve block comprises a first cylindrical portion, and a second cylindrical portion and a third cylindrical portion protruding from the middle of the end faces of the first cylindrical portion, the diameters of the second cylindrical portion and the third cylindrical portion being smaller than the diameter of the first cylindrical portion, the atomizing channel being disposed on the end face of the end portion of the second cylindrical portion and extending through the circumferential surface of the end portion, one end portion of the spring being sleeved on the third cylindrical portion and abutting against the first cylindrical portion, and the other end of the spring being connected to the valve body.

4. The spray head of claim 3 wherein the first cylindrical portion has a frustoconical flow guide at each end, the larger dimension end of the flow guide being connected to the first cylindrical portion.

5. The spray head of claim 1, wherein a wedge-shaped groove is formed in an end surface of the first end of the valve block, a tip end of the wedge-shaped groove extends to a middle portion of the end surface of the first end of the valve block, a root end of the wedge-shaped groove extends to a peripheral surface of the valve block, and the wedge-shaped groove forms the atomization passage.

6. The spray head of claim 5, wherein the end face of the first end of the valve block is provided with two wedge-shaped grooves, and the two wedge-shaped grooves are symmetrically arranged.

7. An air fryer comprises a fryer body, a hot air convection assembly and a spraying assembly, wherein a baking cavity is arranged in the fryer body; the hot air convection assembly is arranged on the pot body and used for heating air flow and guiding the air flow to flow so as to bake food materials in the baking cavity; characterized in that the spraying assembly comprises a water tank, a water pump and a spray head according to any one of claims 1 to 6, the spray head extending at least partially into the baking chamber, the spray head being connected to the water tank via the water pump for spraying water mist to the baking chamber.

8. The air fryer according to claim 7, wherein said convection assembly is disposed at a top portion of said cooking cavity, said nozzle extends into said cooking cavity from a position on a sidewall of said cooking cavity near a top end, and a jet direction of said nozzle faces a middle portion of a bottom surface of said cooking cavity.

9. The air fryer of claim 8, wherein said spray assembly comprises a plurality of spray heads, said plurality of spray heads being evenly circumferentially distributed along a side wall of said toasting chamber.

10. The air fryer of claim 7, further comprising a controller connected to said convection assembly and said water pump, respectively, said controller configured to send a first signal to said convection assembly to turn off said convection assembly and a second signal to said spray assembly to turn on said water pump to supply water to said spray head, such that said spray head sprays mist into said cooking cavity.