A kind of check valve and the cooking machine using the check valve
Technical field
The present invention relates to a kind of device of cooking machine, especially a kind of check valve.
Background technique
Currently available technology, cooking machine include host, stirring cup, water tank, water pump, water electric heater, water pipe joint and
Check valve, the stirring cup, water tank, water pipe joint are separately positioned on the bottom case of host, the water electric heater, water pump point
It is not arranged in the bottom case of host, the water tank, water pump, water electric heater and water pipe joint are sequentially connected composition by pipeline
Water-carriage system, the stirring cup include a circular base plate for being located at stirring cup bottom, and chassis is equipped with water injection hole, check valve setting
Bottom in stirring cup and the lower section positioned at water injection hole, check valve are connected to water injection hole, the problem is that:Food can will fill the water
Hole plug, the water injection hole for cleaning stirring cup are inconvenient.
Summary of the invention
The purpose of the present invention is:A kind of check valve is provided, it has the opening in fluid pressure, and no liquid flowing is automatic to close
The characteristics of closing.
The purpose of the present invention is:A kind of cooking machine is provided, it, which has, prevents the liquid-passing hole of check valve from being blocked by food, works as note
The characteristics of liquid-passing hole is opened in bonnet displacement when entering pressurized hot water, and liquid-passing hole is automatically closed when flowing in no hot water.
The invention is realized in this way:A kind of check valve includes valve body, spool, bonnet, valve rod, compression spring and circlip,
The bottom center of the bonnet and the top of valve rod connect, and bonnet and valve-stem integrated molding are made;
The spool includes centrally located valve stem passage and is equipped with liquid-passing hole around valve stem passage;
The lower end of the valve body is equipped with inlet tube, and there are delivery hole in inlet tube and valve body intersection;The upper open end of valve body has
Spool chamber;
The spool is fixed in spool chamber and connect with valve body, and bonnet passes through spool by valve rod, in valve rod extension
Compression spring is loaded onto, is entrenched in circlip on the annular slot of valve rod extension;The bottom surface of bonnet and the upper end face paste of spool
It closes and is sealed up to liquid;
Further include only valve ball, only valve seat, it is described only valve seat it is cylindrical, only the center of valve seat along its axis direction be equipped with into
Fluid through-hole, only valve seat is arranged in the valve chamber of the surface of delivery hole, and only valve ball is opposite with the lower end of valve rod;
The feed liquor through-hole is docked and connected with delivery hole, and the feed liquor via top cooperation of only valve seat is arranged in the only valve ball
It is sealed up to liquid.
A kind of check valve, it is characterised in that:The spool chamber is cylindrical, and spool is in hollow cylinder, valve
Core is embedded in fluid,matching sealing in spool chamber,
The bonnet is in segment-shaped, and the bottom surface of bonnet matches with the top surface of spool chamber.
A kind of check valve, it is characterised in that:There is annular protrusion on the outer peripheral surface of the spool;The spool chamber
Inner wall is equipped with annular groove, and annular protrusion and annular groove cooperation buckle, between the spool and counterbore wall on annular protrusion top
There is gap.
A kind of check valve, it is characterised in that:The top aperture of the feed liquor through-hole is in segment-shaped, feed liquor through-hole
The radius in top aperture is consistent with the radius of only valve ball.
A kind of check valve, it is characterised in that:The only valve ball is steel ball, and the only valve seat is elasticity resistant to high temperature
Outside framework oil seal made of material, steel ball are arranged on outside framework oil seal, and the centre bore cooperation of steel ball and outside framework oil seal is sealed up to liquid.
A kind of check valve, it is characterised in that:The liquid feeding end of the inlet tube is provided with interface.
A kind of cooking machine includes host, stirring cup, water tank, water pump, water electric heater, waterpipe couplings and check valve, institute
It states stirring cup, water tank, waterpipe couplings to be separately positioned on the bottom case of host, the water electric heater, water pump are arranged in host
Bottom case in, the water tank, water pump, water electric heater and waterpipe couplings are sequentially connected composition water-carriage system, institute by pipeline
Stating stirring cup includes a circular base plate for being located at stirring cup bottom, and the check valve includes valve body, bonnet and setting under valve body
The inlet tube at end, it is characterised in that:The check valve is vertically set in the mounting hole in circular base plate, and valve body is embedded in circular base
Mounting hole fluid,matching sealing on disk, the top of valve body and bonnet protrude into the cavity of stirring cup bottom, and the inlet tube connects
Mouth carries out plug connection with waterpipe couplings and seals up to liquid.
A kind of check valve of the present invention, due to using such structure, valve body can be directly anchored on the cup holder of cooking machine,
Spool is located in cup body;When the liquid of inlet tube enters valve body, the effect of fluid pressure, spool is moved up, then liquid is through logical
Fluid apertures enters in cup body;The flowing of inlet tube no liquid, under the action of compression spring, is automatically closed;Cooking machine may be implemented certainly
Dynamic water inlet, it is easy to use.
Detailed description of the invention
Fig. 1 is the cross-sectional view of check valve of the invention.
Fig. 2 is the perspective view of check valve of the invention.
Fig. 3 is the stereogram exploded view of check valve of the invention.
Fig. 4 is the cross-sectional view of the opening state of check valve of the invention
Fig. 5 is the perspective view of cooking machine of the invention.
Fig. 6 is the cross-sectional view of cooking machine of the invention.
Fig. 7 is the partial enlarged view of Fig. 6.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of check valve, it includes valve body 1, spool 2, bonnet 3, valve rod 4, compression spring 5
With circlip 6;The bonnet 3 is in segment-shaped, and the bottom center of bonnet 3 connect with the top of valve rod 4, bonnet 3 and valve rod 4 it is integrated at
Type is made;
The spool 2 is in hollow cylinder, and spool 2 includes centrally located valve stem passage 21 and sets around valve stem passage
There is liquid-passing hole 22;
The lower end of the valve body 1 is equipped with inlet tube 7, and the axis of inlet tube 7 and the axis of valve body 1 are vertical;Inlet tube 7 and valve
There is delivery hole 1A in 1 intersection of body;The upper open end of valve body 1 has spool chamber 1B;
The spool 2 is fixed in spool chamber 1B and connect with valve body 1, and bonnet 3 passes through spool 2 by valve rod 4, in valve rod 4
Extension loads onto compression spring 5, is entrenched on the annular slot of 4 extension of valve rod with circlip 6;The bottom surface of bonnet 3 and valve
The upper surface fitting of core 2 is sealed up to liquid.
There is annular protrusion 23 on the outer peripheral surface of the spool 2;The spool chamber 1B inner wall has set annular groove 1C, annular
Protrusion 23 and annular groove 1C cooperation buckles, and has gap between the spool 2 and counterbore wall on 23 top of annular protrusion.
Further include only valve ball 8, only valve seat 9, it is described only valve seat 9 it is cylindrical, only the center of valve seat 9 is set along its axis direction
There is feed liquor through-hole 91, only valve seat 9 is arranged in 1 chamber of valve body of the surface of delivery hole 1A, only valve ball 8 and valve rod 4
Lower end is opposite;
The feed liquor through-hole 91 is docked and connected with delivery hole 1A, and the feed liquor through-hole of only valve seat 9 is arranged in the only valve ball 8
91 top cooperations are sealed up to liquid.
Further, the top aperture of the feed liquor through-hole 91 is in segment-shaped, the radius in the top aperture of feed liquor through-hole 91
It is consistent with the only radius of valve ball 8.
Specifically, the only valve ball 8 is steel ball, and the only valve seat 9 is outside framework oil seal made of elastic material resistant to high temperature,
Steel ball is arranged on outside framework oil seal, and the centre bore cooperation of steel ball and outside framework oil seal is sealed up to liquid.
The liquid feeding end of the inlet tube 7 is provided with interface 71.
As shown in figure 5, being displaced in steel ball stress, feed liquor through-hole 91 is beaten when the liquid of the injection pressurization of inlet tube 7 of check valve
It opens, liquid enters the intracavitary of valve body 1, and thrust of the bonnet 3 by liquid, bonnet 3 is mobile vertically downward to open liquid-passing hole 22, liquid
Body flows through check valve, which is unidirectional the valve opening state;When the inlet tube 7 of check valve stops the liquid of injection pressurization, valve
Under the action of the returning elastic of compression spring 5, bonnet 3 is resetted to be sealed with the cooperation capping liquid-passing hole 22 of spool 2 up to liquid cap 3, steel
Ball is made power by gravity, is dropped to fluid,matching on the centre bore of outside framework oil seal and is sealed, have the function of backflow, which is single
To valve closed state.
Embodiment 2
As shown in Figure 6, Figure 7, a kind of cooking machine includes host 11, stirring cup 12, water tank 13, water pump 14, water electric heater
15, waterpipe couplings 16 and check valve, the stirring cup 12, water tank 13, waterpipe couplings 16 are separately positioned on host 11
On bottom case 111, the water electric heater 14, water pump 15 are arranged in the bottom case 111 of host 11, the water tank 13, water pump 14, water
Electric heater 15 and waterpipe couplings 16 are sequentially connected composition water-carriage system by pipeline, and the stirring cup 12 includes one being located at and stirring
Mix the circular base plate 121 in bottom of a cup portion, it is characterised in that:The check valve is vertically arranged the peace in 12 circular base plate 121 of stirring cup
It fills in hole 1211, valve body 1 is embedded in the mounting hole fluid,matching sealing in circular base plate 121, and the top of valve body 1 and bonnet 3 are protruded into and stirred
In the cavity for mixing 12 bottom of cup, the interface 71 and waterpipe couplings 16 of the inlet tube carry out plug connection and seal up to liquid.
When cooking machine makes food, the water of water tank 13 is conveyed to water electric heater after water pump 14 pressurizes for feed pump 14
15, after water electric heater 15 heats water to high temperature or 100° centigrade, hot water flows into check valve through waterpipe couplings 16, and steel ball 8 is heated
The pressure of water, which moves up, opens feed liquor through-hole 91, and hot water enters the intracavitary of valve body 1, and bonnet 3 is hung down by the thrust bonnet 3 of hot water
Liquid-passing hole 22 directly is opened to bottom offset, hot water flows through check valve and enters in the cavity of stirring cup, program control of the hot water in cooking machine
Discontinuous fills in food under making mixes with food.Using hot water heating food, disk is held instead of traditional heat-generating pipe or hair
The water of heating method, filling is automatically controlled by cooking machine, and cancellation manually constantly fills water when making food, realizes intelligence certainly
It is dynamic.
Above-described is only preferred embodiments of the invention.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the principles of the present invention, it can also make several improvements and modification, this is also considered as of the invention
Protection scope.