CN218852479U - Water path system of cooking device and steam box - Google Patents

Abstract

The utility model relates to a waterway system and steam ager of cooking device, the on-off valve includes the upper and lower setting and offers the valve body of above-mentioned interface of intaking and interface of going out water respectively, the interface of intaking is located the lower extreme of valve body and the upper end of valve body offers the blow vent that communicates with the external world, and the interface of going out water is located between interface of intaking and the blow vent, contain the case that can make a round trip to move between above-mentioned blow vent and interface of intaking under the differential action of its upper and lower pressure in the valve pocket of this valve body, and, under the state that this case is located the highest position of its stroke, the interface of intaking communicates with the interface of going out water, and the above-mentioned blow vent of case shutoff; and the valve core is blocked between the water inlet interface and the water outlet interface when the valve core is positioned at the lowest position of the stroke. Compared with the prior art, the on-off valve of the utility model can effectively realize the on-off control of a waterway system, and compared with the existing electromagnetic valve, the on-off valve of the invention has simple structure and low cost.

Description

Water channel system of cooking device and steam box

Technical Field

The utility model relates to a cooking device field especially relates to a cooking device's waterway system and steam ager.

Background

The waterway system of steaming cooking equipments such as steam box and steaming oven is generally composed of water tank, water inlet pump, electromagnetic valve and water pipe for connecting all elements. The water tank is used for storing water, the water inlet pump is used for pumping out the water in the water tank and enabling the water to flow into the inner container or the steam generator of the cooking equipment through the electromagnetic valve, and the electromagnetic valve is used for controlling the on-off of the water path. For example, chinese utility model patent No. ZL 201921724585.6 (publication No. CN 211380789U) ' a steam box waterway system ', chinese utility model patent No. ZL 202021522639.3 (publication No. CN 212438246U) ' a waterway system and electric steam box for electric steam box, etc.

However, the solenoid valve that current waterway system adopted is higher in price to, after the culinary art was finished, there was water to remain in the water pipe, when the machine received vibration or state change, remained water in the water pipe can flow into inner bag or steam generator again at the action of gravity, the influence is used for using experience.

Disclosure of Invention

The utility model aims to solve the first technical problem that a water route system of cooking device that can effectively realize break-make and with low costs is provided to prior art.

The second technical problem to be solved by the present invention is to provide a waterway system capable of preventing the residual water in the water inlet pipe from flowing into the inner container or the steam generator.

The utility model aims to solve the third technical problem that a steam ager that uses above-mentioned waterway system is provided to prior art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a waterway system of a cooking device comprises a water tank with a water outlet, a liner or a steam generator with a water inlet and an on-off valve with a water inlet interface and a water outlet interface, wherein the water outlet of the water tank is communicated with the water inlet interface of the on-off valve through a water outlet pipe, the water outlet interface of the on-off valve is communicated with the water inlet of the liner or the steam generator through a water inlet pipe, and a water pump is arranged on the water outlet pipe,

the on-off valve comprises a valve body which is arranged up and down and is respectively provided with the water inlet connector and the water outlet connector, the water inlet connector is positioned at the lower end of the valve body, the upper end of the valve body is provided with a vent communicated with the outside, the water outlet connector is positioned between the water inlet connector and the vent, a valve core which can move back and forth between the vent and the water inlet connector under the action of the pressure difference between the upper part and the lower part of the valve cavity of the valve body is accommodated in the valve cavity of the valve body,

in addition, when the valve core is positioned at the highest position of the stroke, the water inlet interface is communicated with the water outlet interface, and the valve core blocks the air vent; and the valve core is blocked between the water inlet interface and the water outlet interface when the valve core is positioned at the lowest position of the stroke.

Further, the setting height of the water outlet interface of the valve body is higher than the highest water level of the water tank. Like this when the water pump stop work, the hydroenergy that remains in the inlet tube flows back along with the trend, avoids remaining water in the inlet tube to thoroughly solve the problem that the remaining water flows into inner bag or steam generator once more.

Further, the valve body is vertically arranged, the vent hole is positioned at the top end of the valve body, the water inlet interface is positioned at the bottom end of the valve body, and the vent hole and the water inlet interface are positioned at the top end of the valve body and the bottom end of the valve body

The upper part and the lower part are arranged oppositely, the water outlet port is arranged on the side wall of the valve body, and the water inlet port vertically extends and the water outlet port horizontally extends. Therefore, the valve core can be better driven by the differential pressure formed by the atmospheric pressure at the vent and the water pressure at the water inlet interface.

Further, the valve body is a pipe fitting, the valve core is a ball which can be embedded in the valve body in a vertically movable mode, and the ball can be in guiding fit with the inner peripheral surface of the valve body. Therefore, the structure of the on-off valve is simpler, the valve core can move up and down more stably, and meanwhile, the on-off control of the water inlet interface and the water outlet interface can be realized more reliably.

Furthermore, a limit ring step is convexly arranged on the inner circumferential surface of the upper end of the valve body along the circumferential direction, and the valve core is positioned at the highest position of the stroke of the valve core under the state that the upper end of the valve core is propped against the limit ring step along the circumferential direction. Under the cooperation of water pressure and the limiting ring step, the valve core can be more stably kept at the highest position of the stroke of the valve core, and further the water inlet interface and the water outlet interface can be stably conducted under the working state of the water pump.

Further, the lower extreme of valve body has the base, and the appearance of this base is the size phase-match of obconical and above-mentioned case, and the bottom of this base is equipped with above-mentioned water inlet interface, and under the state in this base was gone into to above-mentioned case card, this case was located the lowest of its stroke. Therefore, the valve core can be stably limited at the lowest position of the stroke of the valve core, the water inlet interface and the water outlet interface can be stably disconnected under the non-working state of the water pump, and the valve core can timely respond under the action of water pressure when the water pump starts to work again.

Furthermore, the top end of the valve body is provided with a top cover with a circular truncated cone shape, and the vent holes are circumferentially arranged on the side wall of the top cover at intervals. Thereby enabling atmospheric pressure to better act on the upper end of the valve core through the vent hole.

Furthermore, a return spring is vertically arranged above the valve core in the valve cavity of the valve body, the return spring is compressed when the valve core is positioned at the highest position of the stroke of the valve core, the valve core has the tendency of moving downwards, and the return spring is in a natural extension state when the valve core is positioned at the lowest position of the stroke of the valve core. On the one hand, the valve core can be better stabilized at the highest position of the stroke of the valve core through the return spring, and on the other hand, when the water pump stops working, the valve core can move downwards faster under the matching action of the atmospheric pressure and the elastic force of the return spring, so that the disconnection response speed of the waterway system can be improved.

Further, a valve rod is vertically arranged in the valve cavity of the valve body above the valve core, and the return spring is arranged on the valve rod, so that the return spring can be stably arranged in the valve cavity.

The technical solution adopted to further solve the third technical problem is as follows: the steam box is characterized in that the waterway system is applied.

Compared with the prior art, the utility model has the advantages of: under the working state of the water pump, the valve core in the valve body moves upwards under the action of the water pressure at the lower end (the pressure generated when water flow is pumped through the water inlet interface) and the pressure difference of the atmospheric pressure at the upper end (the water pressure is greater than the atmospheric pressure, and the action direction of the pressure difference is downward) and is positioned at the highest position of the stroke of the valve core; when the water pump stops working, the water pressure acting on the lower end of the valve core is gradually reduced, the valve core moves downwards (the direction of the pressure difference action is downward) under the action of the pressure difference at the two ends and is positioned at the lowest part of the stroke, the valve core is blocked between the water inlet interface and the water outlet interface, and the waterway system is disconnected. Therefore, the on-off valve of the utility model can effectively realize the on-off control of the waterway system, and compared with the existing electromagnetic valve, the on-off valve of the invention has simple structure and low cost.

Drawings

FIG. 1 is a schematic structural view of a steam box according to an embodiment of the present invention;

FIG. 2 is a schematic view of a partial structure of a steam box according to an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic structural diagram of an on-off valve according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of the on-off valve in a first state according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of the on-off valve in a second state according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the invention may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be considered limiting, as "upper", "lower", and the like are not necessarily limited to directions opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1 to 6, a steam box includes a water path system including an inner container 1, a water tank 2, a water pump 4, and an on-off valve 3. Wherein, install heating plate 12 on the bottom of inner bag 1, and the lower extreme of the lateral wall of inner bag 1 has seted up water inlet 11, and the level is equipped with upper mounting plate 13 on the inner bag 1, and above-mentioned water tank 2 is along the fore-and-aft direction horizontal installation on the upper surface of this upper mounting plate 13, and one side of this water tank 2 is provided with water pump 4 and on-off valve 3 respectively.

Further, a water outlet (not shown) is provided at the rear end of the water tank 2, a water outlet connector 21 is installed on the water outlet, the water outlet connector 21 is communicated with the water inlet interface 311 of the on-off valve 3 through a water outlet pipe 5, a water pump 4 is installed on the water outlet pipe 5, and the water outlet interface 312 of the on-off valve 3 is communicated with the water inlet 11 of the liner 1 through a water inlet pipe 6. Thus, under the conditions that the water pump 4 works and the on-off valve 3 is opened, water in the water tank 2 can be input into the inner container 1 through the water outlet pipe 5 and the water inlet pipe 6 in sequence, and the heating plate 12 heats the water entering the inner container 1 to generate steam for heating food in the inner container 1.

Further, the on-off valve 3 includes a valve body 31 disposed up and down and respectively provided with the water inlet connector 311 and the water outlet connector 312, the water inlet connector 311 is located at the lower end of the valve body 31, the upper end of the valve body 31 is provided with a vent 341 communicating with the outside, the water outlet connector 312 is located between the water inlet connector 311 and the vent 341, and a valve core 32 capable of moving back and forth between the vent 341 and the water inlet connector 311 under the action of the pressure difference between the upper and lower ends of the valve cavity 310 of the valve body 31 is accommodated therein. In addition, when the valve core 32 is located at the highest position of the stroke, the water inlet port 311 is communicated with the water outlet port 312, and the valve core 32 blocks the air vent 341; in the state where the valve element 32 is located at the lowest position of the stroke, the valve element 32 is blocked between the water inlet port 311 and the water outlet port 312.

Therefore, in the operating state of the intermediate water pump 4 of the present invention, the valve core 32 in the valve body 31 moves upward under the action of the water pressure at the lower end (the pressure generated when the water flow is pumped through the water inlet interface 311) and the pressure difference at the upper end (the water pressure is greater than the atmospheric pressure, and the pressure difference acts downward) and is located at the highest position of the stroke, the water inlet interface 311 is communicated with the water outlet interface 312, the water channel system is connected, and the water in the water tank 2 can be smoothly input into the inner container 1 or the steam generator; when the water pump 4 stops working, the water pressure acting on the lower end of the valve core 32 is gradually reduced, the valve core 32 moves downwards (the direction of the action of the pressure difference is downward) under the action of the pressure difference at the two ends and is positioned at the lowest part of the stroke, the valve core 32 is blocked between the water inlet interface 311 and the water outlet interface 312, and the water path system is disconnected. It can be seen that the on-off valve 3 of the present invention can effectively realize the on-off control of the waterway system, and compared with the existing solenoid valve, the on-off valve 3 of the present invention has the advantages of simple structure and low cost.

Further, the water outlet 312 of the valve body 31 is located above the water inlet 311, and the height of the water outlet 312 is higher than the highest water level of the water tank 2. When water pump 4 stop work like this, the hydroenergy that remains in inlet tube 6 is with the trend backward flow, avoids residual water in inlet tube 6 to thoroughly solve the problem that residual water flows into inner bag 1 once more. Preferably, the valve body 31 is vertically arranged, the air vent 341 and the water inlet interface 311 are arranged opposite to each other, the water outlet interface 312 is arranged on the side wall of the valve body 31, and the water inlet interface 311 vertically extends while the water outlet interface 312 horizontally extends, so that the valve element 32 can be better driven to move up and down by a differential pressure formed by the atmospheric pressure at the air vent 341 and the water pressure at the water inlet interface 311.

Specifically, in this embodiment, the valve body 31 is a pipe, and the valve body 32 is a ball fitted into the valve body 31 so as to be movable up and down, and the ball is guided and engaged with the inner peripheral surface of the valve body 31. Therefore, the structure of the on-off valve 3 is simpler, the valve core 32 can move up and down more stably, and on-off control of the water inlet interface 311 and the water outlet interface 312 can be realized more reliably.

Preferably, a stopper step 313 is protruded along a circumferential direction on an inner circumferential surface of the valve body 31, the stopper step 313 is located between the vent 341 and the water outlet port 312, and the valve body 32 is located at a highest position of a stroke of the valve body 32 in a state where an upper end of the valve body 32 is circumferentially abutted against the stopper step 313. Under the cooperation of the water pressure and the stop ring step 313, the valve core 32 can be more stably kept at the highest position of the stroke, and further, the water inlet connector 311 and the water outlet connector 312 can be stably conducted in the working state of the water pump 4. Meanwhile, the lower end of the valve body 31 is provided with a base 33, the shape of the base 33 is in an inverted cone shape and is matched with the size of the valve core 32, the bottom end of the base 33 is provided with the water inlet interface 311, and the valve core 32 is positioned at the lowest position of the stroke when the valve core 32 is clamped in the base 33. Therefore, the valve core 32 can be stably limited at the lowest position of the stroke, and further, the water inlet interface 311 and the water outlet interface 312 can be stably disconnected under the non-operating state of the water pump 4, and when the water pump 4 starts to work again, the valve core 32 can timely respond under the action of water pressure to conduct the water path system.

In the present embodiment, the top end of the valve body 31 has a top cover 34 having a circular truncated cone shape, and the vent holes 341 are provided in the side wall of the top cover 34 at intervals in the circumferential direction, so that atmospheric pressure can be better applied to the upper end of the valve body 32 through the vent holes 341.

Further, a return spring 35 is vertically disposed above the valve core 32 in the valve cavity 310 of the valve body 31, when the valve core 32 is located at the highest position of the stroke, the return spring 35 is compressed and makes the valve core 32 have a tendency of moving downward, and when the valve core 32 is located at the lowest position of the stroke, the return spring 35 is in a natural extension state. On the one hand, the valve core 32 can be better stabilized at the highest position of the stroke of the valve core through the return spring 35, and on the other hand, when the water pump 4 stops working, under the matching action of the atmospheric pressure and the elastic force of the return spring 35, the valve core 32 can move downwards more quickly, and then the disconnection response speed of the waterway system can be improved. Specifically, a valve rod 36 is vertically disposed above the valve core 32 in the valve cavity 310 of the valve body 31, and the return spring 35 is mounted on the valve rod 36, so that the return spring 35 can be stably mounted in the valve cavity 310.

Claims (10)

1. A waterway system of a cooking device comprises a water tank (2) with a water outlet, a liner (1) or a steam generator with a water inlet (11) and an on-off valve (3) with a water inlet interface (311) and a water outlet interface (312), wherein the water outlet of the water tank (2) is communicated with the water inlet interface (311) of the on-off valve (3) through a water outlet pipe (5), the water outlet interface (312) of the on-off valve (3) is communicated with the water inlet (11) of the liner (1) or the steam generator through a water inlet pipe (6), and the water outlet pipe (5) is provided with a water pump (4), which is characterized in that,

the on-off valve (3) comprises a valve body (31) which is arranged up and down and is respectively provided with the water inlet interface (311) and the water outlet interface (312), the water inlet interface (311) is positioned at the lower end of the valve body (31), the upper end of the valve body (31) is provided with a vent hole (341) communicated with the outside, the water outlet interface (312) is positioned between the water inlet interface (311) and the vent hole (341), a valve core (32) which can move back and forth between the vent hole (341) and the water inlet interface (311) under the action of the pressure difference between the upper end and the lower end of the valve cavity (310) of the valve body (31) is accommodated in the valve cavity (310),

in addition, under the state that the valve core (32) is positioned at the highest position of the stroke, the water inlet interface (311) is communicated with the water outlet interface (312), and the valve core (32) blocks the air vent (341); and under the state that the valve core (32) is positioned at the lowest position of the stroke, the valve core (32) is blocked between the water inlet interface (311) and the water outlet interface (312).

2. The waterway system of the cooking device according to claim 1, wherein the outlet port (312) of the valve body (31) is disposed at a height higher than the highest water level of the water tank (2).

3. The waterway system of the cooking device according to claim 2, wherein the valve body (31) is vertically disposed, the air vent (341) is located at the top end of the valve body (31) and the water inlet port (311) is located at the bottom end of the valve body (31), and the air vent and the water inlet port are disposed opposite to each other up and down, and the water outlet port (312) is disposed on the sidewall of the valve body (31), and the water inlet port (311) extends vertically and the water outlet port (312) extends horizontally.

4. A waterway system according to claim 3, wherein the valve body (31) is a pipe, and the valve body (32) is a ball fitted into the valve body (31) so as to be movable up and down, and guided to engage with an inner peripheral surface of the valve body (31).

5. The waterway system of the cooking device according to claim 4, wherein a limit ring step (313) is convexly provided on the inner peripheral surface of the upper end of the valve body (31) along the circumferential direction, and the valve core (32) is located at the highest position of the stroke of the valve core (32) under the state that the upper end of the valve core (32) is abutted against the limit ring step (313) along the circumferential direction.

6. The waterway system of the cooking device of claim 5, wherein the lower end of the valve body (31) has a base (33), the base (33) has an inverted conical shape and is matched with the size of the valve core (32), the bottom end of the base (33) is provided with the water inlet port (311), and the valve core (32) is located at the lowest position of the stroke of the valve core (32) under the state that the valve core (32) is clamped in the base (33).

7. The waterway system of the cooking device of any one of claims 4 to 6, wherein the top end of the valve body (31) has a top cover (34) with a truncated cone shape, and the vent holes (341) are circumferentially spaced on the side wall of the top cover (34).

8. Waterway system of a cooking device according to any of claims 3 to 6, wherein a return spring (35) is vertically disposed in the chamber (310) of the valve body (31) above the valve core (32), the return spring (35) is compressed and tends to move the valve core (32) downward when the valve core (32) is at the highest position of its stroke, and the return spring (35) is in a natural extension state when the valve core (32) is at the lowest position of its stroke.

9. The waterway system of the cooking device of claim 8, wherein a valve stem (36) is vertically disposed in the valve cavity (310) of the valve body (31) above the valve core (32), and the return spring (35) is mounted on the valve stem (36).

10. A steam box, characterized in that a waterway system according to any one of claims 1 to 9 is applied.

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