CN105822801B - A kind of check valve and the cooking machine using the check valve - Google Patents

Abstract

A one-way valve and a cooking machine using the one-way valve. The one-way valve includes a valve body, a valve core, a valve cap, a valve stem, a pressure spring and a retaining ring. The lower end of the valve body is provided with a liquid inlet pipe, and there is a liquid guide hole at the intersection of the liquid inlet pipe and the valve body. The upper opening end of the valve body has a valve core cavity, and the valve core is fixed in the valve core cavity and connected with the valve body. The cap passes through the valve stem through the valve core, and a pressure spring is installed on the protruding part of the valve stem, and a circlip is fitted on the annular groove of the protruding part of the valve stem, and the bottom surface of the bonnet fits the upper surface of the valve core It is liquid-tight, and also includes a stop valve ball and a stop valve seat. The stop valve seat is provided with a liquid inlet through hole, and the stop valve seat is set in the chamber of the valve body. The top of the liquid inlet through hole is matched with a liquid seal. The cooking machine using the one-way valve has the characteristics of preventing the liquid hole of the one-way valve from being blocked by food, opening the valve cap when pressurized hot water is injected, and automatically closing when there is no hot water flowing.

Description

One-way valve and cooking machine using the same

technical field

The invention relates to a device for cooking machines, in particular to a one-way valve.

Background technique

In the current prior art, the cooking machine includes a main machine, a stirring cup, a water storage tank, a water pump, a water electric heater, a water pipe connector and a one-way valve. The stirring cup, the water storage tank and the water pipe connector are respectively arranged on the bottom shell of the main machine The water electric heater and the water pump are respectively arranged in the bottom shell of the main engine, the water storage tank, the water pump, the water electric heater and the water pipe connector are sequentially connected through pipelines to form a water delivery system, and the stirring cup includes a bottom of the stirring cup Circular chassis with water injection hole on the chassis, one-way valve is set at the bottom of the mixing cup and below the water injection hole, the one-way valve is connected to the water injection hole, the problem is: food will block the water injection hole, cleaning the mixing cup The water injection hole is inconvenient.

Contents of the invention

The purpose of the present invention is to provide a one-way valve, which has the characteristics of opening under liquid pressure and automatically closing when there is no liquid flow.

The purpose of the present invention is to provide a cooking machine, which can prevent the liquid hole of the one-way valve from being blocked by food. When the pressurized hot water is injected, the valve cap will be displaced to open the liquid hole, and the liquid hole will be automatically closed when there is no hot water flow. hole characteristics.

The present invention is realized like this: a kind of one-way valve comprises valve body, spool, bonnet, valve stem, pressure spring and jump ring, the bottom surface center of described bonnet is connected with the top of valve stem, bonnet and valve stem Made in one piece;

The valve core includes a valve stem channel located in the center and a liquid hole is arranged around the valve stem channel;

The lower end of the valve body is provided with a liquid inlet pipe, and there is a liquid guide hole at the intersection of the liquid inlet pipe and the valve body; the upper opening end of the valve body has a valve core cavity;

The valve core is fixed in the valve core cavity and connected with the valve body, the valve cap passes through the valve core through the valve stem, and a pressure spring is installed on the protruding part of the valve stem, and the ring clip of the protruding part of the valve stem is fitted with a circlip. On the groove; the bottom surface of the bonnet and the upper surface of the valve core fit together to achieve a liquid seal;

It also includes a stop valve ball and a stop valve seat, the stop valve seat is cylindrical, the center of the stop valve seat is provided with a liquid inlet through hole along its axis direction, and the stop valve seat is arranged in the valve body cavity directly above the liquid guide hole Indoor, the stop valve ball is opposite to the lower end of the valve stem;

The liquid inlet hole is connected to the liquid guide hole, and the stop valve ball is arranged on the top of the liquid inlet hole of the stop valve seat to cooperate with the liquid seal.

The one-way valve described above is characterized in that: the spool cavity is cylindrical, the spool is hollow cylindrical, the spool is embedded in the spool cavity and sealed with liquid,

The bonnet is in the shape of a spherical segment, and the bottom surface of the bonnet coincides with the top surface of the spool chamber.

The above one-way valve is characterized in that: there is an annular protrusion on the outer peripheral surface of the valve core; an annular groove is provided on the inner wall of the valve core cavity, and the annular protrusion and the annular groove cooperate to snap , There is a gap between the spool on the upper part of the annular protrusion and the counterbore wall.

The above-mentioned one-way valve is characterized in that: the top orifice of the liquid inlet through hole is in the shape of a spherical segment, and the radius of the top orifice of the liquid inlet through hole is consistent with the radius of the stop valve ball.

The above one-way valve is characterized in that: the check valve ball is a steel ball, the check valve seat is a skeleton oil seal made of high temperature resistant elastic material, the steel ball is arranged on the skeleton oil seal, and the steel ball and The central hole of the skeleton oil seal is matched with the liquid seal.

The above one-way valve is characterized in that: the liquid inlet end of the liquid inlet pipe is provided with an interface.

A cooking machine includes a main machine, a stirring cup, a water storage tank, a water pump, a water electric heater, a water pipe connector and a check valve. The stirring cup, the water storage tank, and the water pipe connector are respectively arranged on the bottom shell of the main machine. The heater and the water pump are arranged in the bottom shell of the main engine, and the water storage tank, the water pump, the water electric heater and the water pipe connector are sequentially connected through pipelines to form a water delivery system, and the stirring cup includes a circular chassis at the bottom of the stirring cup, The one-way valve includes a valve body, a bonnet and a liquid inlet pipe arranged at the lower end of the valve body, and is characterized in that the one-way valve is vertically arranged in the mounting hole on the circular chassis, and the valve body is embedded in the circular chassis The installation hole of the tank is sealed with liquid, the top of the valve body and the valve cap extend into the cavity at the bottom of the mixing cup, and the interface of the liquid inlet pipe is plugged and connected with the water pipe connector to achieve a liquid seal.

A one-way valve of the present invention, due to the adoption of such a structure, the valve body can be directly fixed on the cup seat of the cooking machine, and the valve core is located in the cup body; When it moves upward, the liquid enters the cup body through the liquid hole; the liquid inlet pipe has no liquid flow, and is automatically closed under the action of the pressure spring; it can realize the automatic water inlet of the cooking machine, which is convenient to use.

Description of drawings

Fig. 1 is a sectional view of a check valve of the present invention.

Fig. 2 is a perspective view of the check valve of the present invention.

Fig. 3 is a three-dimensional exploded view of the one-way valve of the present invention.

Fig. 4 is the sectional view of the open state of the check valve of the present invention

Fig. 5 is a perspective view of the cooking machine of the present invention.

Fig. 6 is a cross-sectional view of the cooking machine of the present invention.

FIG. 7 is a partially enlarged view of FIG. 6 .

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

Example 1

As shown in Fig. 1, Fig. 2, Fig. 3, a kind of one-way valve, it comprises valve body 1, spool 2, bonnet 3, valve stem 4, pressure spring 5 and jump ring 6; Described bonnet 3 is Spherical shape, the center of the bottom surface of the bonnet 3 is connected to the top of the valve stem 4, and the bonnet 3 and the valve stem 4 are integrally formed;

The spool 2 is hollow cylindrical, and the spool 2 includes a valve stem channel 21 located in the center and a liquid hole 22 surrounding the valve stem channel;

The lower end of the valve body 1 is provided with a liquid inlet pipe 7, and the axis of the liquid inlet pipe 7 is perpendicular to the axis of the valve body 1; there is a liquid guide hole 1A at the intersection of the liquid inlet pipe 7 and the valve body 1; the upper opening of the valve body 1 There is a spool cavity 1B at the end;

The valve core 2 is fixed in the valve core cavity 1B and connected with the valve body 1, the valve cap 3 passes through the valve core 2 through the valve stem 4, and a pressure spring 5 is installed on the protruding part of the valve stem 4, and is fitted with a snap ring 6 On the annular groove of the protruding part of the valve stem 4; the bottom surface of the valve cap 3 and the upper surface of the valve core 2 are attached to achieve a liquid seal.

The outer peripheral surface of the valve core 2 has an annular protrusion 23; the inner wall of the valve core chamber 1B is provided with an annular groove 1C, and the annular protrusion 23 cooperates with the annular groove 1C to buckle, and the valve on the upper part of the annular protrusion 23 There is a gap between core 2 and the counterbore wall.

It also includes a stop valve ball 8 and a stop valve seat 9. The stop valve seat 9 is cylindrical, and the center of the stop valve seat 9 is provided with a liquid inlet through hole 91 along its axial direction. In the valve body 1 chamber directly above 1A, the stop valve ball 8 is opposite to the lower end of the valve stem 4;

The liquid inlet hole 91 is connected to the liquid guide hole 1A, and the stop valve ball 8 is arranged on the top of the liquid inlet hole 91 of the stop valve seat 9 to cooperate with the liquid seal.

Further, the top opening of the liquid inlet through hole 91 is in the shape of a spherical segment, and the radius of the top opening of the liquid inlet through hole 91 is consistent with the radius of the stop valve ball 8 .

Specifically, the valve stop ball 8 is a steel ball, the valve stop seat 9 is a skeleton oil seal made of high temperature resistant elastic material, the steel ball is arranged on the skeleton oil seal, and the steel ball cooperates with the center hole of the skeleton oil seal to reach the liquid seal.

The liquid inlet end of the liquid inlet pipe 7 is provided with an interface 71 .

As shown in Figure 5, when the liquid inlet pipe 7 of the one-way valve is injected with pressurized liquid, the steel ball is forced to move upward, the liquid inlet through hole 91 is opened, the liquid enters the cavity of the valve body 1, and the bonnet 3 is subjected to the force of the liquid. Thrust, the bonnet 3 moves vertically downward to open the liquid hole 22, and the liquid flows through the one-way valve, which is the open state of the one-way valve; when the liquid inlet pipe 7 of the one-way valve stops injecting pressurized liquid, the bonnet 3. Under the action of the return elastic force of the pressure spring 5, the bonnet 3 resets and cooperates with the valve core 2 to cover the liquid hole 22 to achieve a liquid seal. It is sealed and has the function of non-return flow. This state is the closed state of the one-way valve.

Example 2

As shown in Fig. 6 and Fig. 7, a cooking machine includes a main machine 11, a stirring cup 12, a water storage tank 13, a water pump 14, a water electric heater 15, a water pipe connector 16 and a one-way valve. The stirring cup 12, the water storage tank 13. The water pipe connectors 16 are respectively arranged on the bottom shell 111 of the main machine 11, the water electric heater 14 and the water pump 15 are arranged in the bottom shell 111 of the main machine 11, the water storage tank 13, the water pump 14, the water electric heater 15 and The water pipe connector 16 is sequentially connected through pipelines to form a water delivery system. The stirring cup 12 includes a circular chassis 121 located at the bottom of the stirring cup. In the installation hole 1211, the valve body 1 is embedded in the installation hole on the circular chassis 121 to be sealed with liquid. The top of the valve body 1 and the valve cap 3 extend into the cavity at the bottom of the mixing cup 12. The interface 71 of the inlet pipe is connected to the water pipe. The connector 16 makes a plug-in connection that is liquid-tight.

When the cooking machine is making food, the water in the water storage tank 13 is supplied to the water pump 14. After the water pump 14 is pressurized, it is sent to the electric water heater 15. For the valve, the steel ball 8 is moved upward by the pressure of hot water to open the liquid inlet hole 91, the hot water enters the cavity of the valve body 1, and the valve cap 3 is pushed vertically downward by the hot water to open the liquid hole 22 , the hot water flows through the one-way valve into the cavity of the mixing cup, and the hot water is intermittently injected into the food and mixed with the food under the program control of the cooking machine. Hot water is used to heat food, instead of the traditional heating method of heating tube or heating plate, the amount of water added is automatically controlled by the cooking machine, eliminating the need for manual filling of water when making food, realizing intelligent automation.

What has been described above are only preferred embodiments of the present invention. It should be noted that, for those skilled in the art, some improvements and modifications can be made without departing from the principle of the present invention, which are also regarded as the protection scope of the present invention.

Claims (7)

1. A one-way valve is characterized in that: it comprises valve body, spool, bonnet, valve stem, pressure spring and snap ring, and the bottom surface center of described bonnet is connected with the top of valve stem, and bonnet and valve The rod is integrally formed; The valve core includes a valve stem channel located in the center and a liquid hole is arranged around the valve stem channel; The lower end of the valve body is provided with a liquid inlet pipe, and there is a liquid guide hole at the intersection of the liquid inlet pipe and the valve body; the upper opening end of the valve body has a valve core chamber; The valve core is fixed in the valve core cavity and connected with the valve body, the valve cap passes through the valve core through the valve stem, and a pressure spring is installed on the protruding part of the valve stem, and the ring clip of the protruding part of the valve stem is fitted with a circlip. On the groove; the bottom surface of the bonnet fits with the upper end surface of the valve core to achieve liquid sealing; It also includes a stop valve ball and a stop valve seat, the stop valve seat is cylindrical, the center of the stop valve seat is provided with a liquid inlet through hole along its axis direction, and the stop valve seat is arranged in the valve body cavity directly above the liquid guide hole Indoor, the stop valve ball is opposite to the lower end of the valve stem; The liquid inlet through hole is connected to the liquid guide hole, and the stop valve ball is arranged on the top of the liquid inlet through hole of the stop valve seat to cooperate to realize liquid sealing. 2. A check valve according to claim 1, characterized in that: the valve core cavity is cylindrical, the valve core is a hollow cylinder, and the valve core is embedded in the valve core cavity to cooperate to achieve liquid sealing, The bonnet is in the shape of a spherical segment, and the bottom surface of the bonnet coincides with the top surface of the spool chamber. 3. A one-way valve according to claim 2, characterized in that: the outer peripheral surface of the valve core has an annular protrusion; the inner wall of the valve core cavity is provided with an annular groove, and the annular protrusion and The ring groove matches the buckle, and there is a gap between the valve core on the upper part of the ring protrusion and the counterbore wall. 4. A one-way valve according to claim 2 or 3, characterized in that: the top opening of the liquid inlet through hole is in the shape of a spherical segment, and the radius of the top opening of the liquid inlet through hole is the same as that of the valve stop ball. the same radius. 5. A one-way valve according to claim 2 or 3, characterized in that: the valve stop ball is a steel ball, the valve stop seat is a skeleton oil seal made of high temperature resistant elastic material, and the steel ball is set On the skeleton oil seal, the steel ball cooperates with the center hole of the skeleton oil seal to realize liquid sealing. 6. A one-way valve according to claim 2 or 3, characterized in that: the liquid inlet end of the liquid inlet pipe is provided with an interface. 7. A cooking machine using the one-way valve described in any one of claims 1-6, which includes a main engine, a stirring cup, a water storage tank, a water pump, a water electric heater, a water pipe connector and a one-way valve, and the stirring The cup, the water storage tank, and the water pipe connector are respectively arranged on the bottom shell of the main engine, and the water electric heater and the water pump are arranged in the bottom shell of the main engine, and the water storage tank, the water pump, the water electric heater and the water pipe connector are sequentially connected through pipelines Constitute a water delivery system, the stirring cup includes a circular chassis at the bottom of the stirring cup, the one-way valve includes a valve body, a valve cap and a liquid inlet pipe arranged at the lower end of the valve body, characterized in that: the one-way valve The valve is vertically installed in the mounting hole on the circular chassis, and the valve body is embedded in the mounting hole on the circular chassis to cooperate to achieve liquid sealing. The top of the valve body and the valve cap extend into the cavity at the bottom of the mixing cup, and the liquid inlet pipe The interface and the water pipe connector are plugged in to achieve liquid tightness.