CN214905845U

CN214905845U - Adjustable temperature control drain valve and electric cooker for making low-starch sugar rice

Info

Publication number: CN214905845U
Application number: CN202120254059.9U
Authority: CN
Inventors: 朱宝联; �田宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-30
Anticipated expiration: 2031-01-29

Abstract

An adjustable temperature control drain valve and an electric cooker for making low-starch sugar rice, which comprises a valve body, a valve core, a bimetallic strip, an adjusting pointer and an adjusting screw cap; a bearing platform is arranged in the valve body, and the edge of the bimetallic strip is borne by the bearing platform; the upper end of the valve core penetrates through the bimetallic strip and then is connected with the adjusting pointer through threads, and the adjusting pointer can reciprocate on the valve core along with the threads; the adjusting screw cap is rotatably arranged on the valve body, and the adjusting pointer is arranged in a rotatable interference area of the adjusting screw cap, so that the adjusting pointer can synchronously rotate along with the adjusting screw cap. Be provided with the regulation spiral cover on the valve body in this embodiment, adjust the spiral cover through rotating and drive and adjust the pointer rotation to the realization is more favorable to the operation to the displacement and the regulation of drainage temperature of adjustable control by temperature change drain valve, facilitates the use.

Description

Adjustable temperature control drain valve and electric cooker for making low-starch sugar rice

Technical Field

The utility model relates to a domestic kitchen electricity technical field, specificly relate to an adjustable control by temperature change drain valve and electric rice cooker of preparation low starch sugar rice.

Background

With the improvement of living standard of people, consumers pay more and more attention to healthy diet. The traditional electric cooker is mainly used for cooking grains in the inner container in a stewing mode, so that the cooked rice has high sugar content and is not beneficial to diabetics and obese people; therefore, how to reduce the sugar content in rice becomes an important development direction in the research field of electric rice cookers.

At present, the common low-sugar electric cooker on the market generally arranges the inner container with the drain hole, and then sets up the electromagnetic valve in the drain hole to control the closure of drain hole, thereby control the inner container drainage and reach the effect of rice separation of water, in order to realize the purpose that rice hypoglycemic, nevertheless because the electromagnetic valve need connect the power, can have potential safety hazards such as electric leakage, and the electromagnetic valve breaks down easily, poor stability, and actual experience is not good.

Disclosure of Invention

The utility model aims at providing a control by temperature change drain valve and preparation electric rice cooker of low starch sugar rice with adjustable, this control by temperature change drain valve with adjustable need not with circuit connection, and the drainage temperature that the valve body switches on needs to reach can be adjusted according to consumer's individual character demand very conveniently.

The technical scheme is as follows: an adjustable temperature control drain valve comprises a valve body, a valve core and a bimetallic strip, wherein the valve body is provided with a liquid inlet and a liquid outlet, a liquid passing channel is formed between the liquid inlet and the liquid outlet, the valve core is arranged in the valve body in a reciprocating motion mode through the bimetallic strip, the shape of the valve core is matched with the structure of the liquid outlet, the valve core is driven to move relative to the valve body through the deformation of the bimetallic strip generated during temperature change, the conduction and the blockage of the liquid outlet are adjusted and controlled, and the adjustable temperature control drain valve also comprises an adjusting pointer and an adjusting screw cap;

a bearing platform is arranged in the valve body, and the edge of the bimetallic strip is borne by the bearing platform; the upper end of the valve core penetrates through the bimetallic strip and then is connected with the adjusting pointer through threads, and the adjusting pointer can reciprocate on the valve core along with the threads;

the adjusting screw cap is rotatably arranged on the valve body, and the adjusting pointer is arranged in a rotatable interference area of the adjusting screw cap, so that the adjusting pointer can synchronously rotate along with the adjusting screw cap.

Preferably, the valve body is cylindrical, the bearing platform is arranged at the upper part of the inner cavity of the valve body, and the adjusting rotary cover is rotatably covered at the upper end of the adjusting rotary cover.

Preferably, the adjusting pointer is of a block structure, an adjusting through hole is formed in the end face of the adjusting screw cap, and the adjusting pointer is just accommodated in the adjusting through hole and can reciprocate up and down in the adjusting through hole.

Preferably, the adjusting through hole is formed with a lower extending piece on the hole edge, and the lower extending piece interferes with the adjusting pointer in the rotating process of the adjusting screw cap to drive the adjusting pointer to rotate synchronously with the adjusting screw cap.

Preferably, the number of the lower pieces is two, and the two lower pieces are oppositely arranged and surround the adjusting pointer.

Preferably, the outer side wall of the valve body is provided with a circumferential groove, the adjusting screw cap is arranged at the upper end of the valve body in a reverse buckling manner, the side wall of the adjusting screw cap is provided with an inward-concave positioning convex ring, and the positioning convex ring is rotatably assembled in the circumferential groove.

Preferably, a plurality of positioning holes are formed in the circumferential groove at intervals, and positioning protrusions which can slightly sink into the positioning holes are arranged on the positioning convex rings, so that the positioning protrusions sink into different positioning holes to serve as different adjusting gears of the adjusting screw cap.

Preferably, the outer side wall of the valve body is provided with a circumferential groove, the adjusting screw cap is arranged at the upper end of the valve body in a reverse buckling manner, the side wall of the adjusting screw cap is provided with a plurality of inner-buckling elastic clamping jaws, and the elastic clamping jaws are rotatably assembled in the circumferential groove.

Preferably, a plurality of positioning holes are formed in the circumferential groove at intervals, the lower end of the elastic clamping jaw can be sunk into the positioning holes in a micro mode, and the elastic clamping jaw is sunk into different positioning holes to serve as different adjusting gears of the adjusting screw cap.

Preferably, any one of the positioning holes is provided with a limiting screw for limiting the maximum rotation circumference of the adjusting screw cap.

Preferably, the upper end face of the adjusting screw cap is provided with a visible window, the upper end face of the valve body is provided with a mark for indicating a high gear and a low gear, and the mark is seen through the visible window by a consumer in the rotating process of the adjusting screw cap.

Preferably, the liquid inlet is arranged on the side wall of the valve body;

the side wall of the inner cavity of the valve body protrudes inwards to form an annular spacer ring, an inner ring hole is reserved in the middle of the annular spacer ring, and the inner ring hole is the liquid outlet;

the valve core is a T-shaped structural member consisting of a transverse part and a longitudinal part, the outer contour of the transverse part is larger than the caliber of the liquid outlet, the longitudinal part penetrates through the liquid outlet, then penetrates through the bimetallic strip and is in threaded connection with the adjusting pointer, and the transverse part is left on the outer side of the liquid outlet.

Preferably, the liquid inlet is a circular hole or a strip-shaped hole.

Preferably, the lower end side wall of the valve core is attached to the inner cavity side wall of the valve body, wherein the lower end side wall of the valve core is at least provided with one tangent plane, and correspondingly, the inner cavity side wall of the valve body is also at least provided with one tangent plane.

Preferably, the temperature-control water discharge valve further comprises a fixed seat for mounting the adjustable temperature-control water discharge valve, and the fixed seat is in threaded connection with the valve body.

The electric rice cooker for making the low-starch sugar rice comprises an inner container for containing a rice-water mixture, a cooker liner sleeved outside the inner container and the adjustable temperature control drain valve, wherein the adjustable temperature control drain valve is arranged on the inner container so as to realize that when the deformation temperature of the bimetallic strip is reached, the liquid outlet of the adjustable temperature control drain valve is communicated, and water in the inner container is discharged into the cooker liner through the liquid outlet.

Preferably, the adjustable temperature control drain valve is detachably mounted on the inner container through a fixed seat, and the fixed seat is connected with the valve body through threads.

Preferably, the bottom wall surface of the inner container is provided with a valve body mounting hole, the lower end of the valve body is provided with a small-diameter section and a mounting step, the small-diameter section penetrates through the valve body mounting hole and then is connected with the fixing seat, and meanwhile, the mounting step is abutted to the bottom wall surface of the inner container.

Preferably, the side wall surface of the lower end of the valve core is attached to the inner wall surface of the small-diameter section, at least one tangent plane is arranged on the circumference of the small-diameter section, and correspondingly, at least one tangent plane is arranged on the circumference of each of the lower end of the valve core and the valve body mounting hole.

The bimetallic strip in the technical scheme is a butterfly-shaped jump bimetallic strip with a convex surface and a concave surface, and the jump bimetallic strip generates thermal reverse elastic deformation when the convex surface of the bimetallic strip is subjected to pressure or temperature rise, so that the convex (concave) direction of the bimetallic strip can be inverted in different temperature environments. The adjustable temperature-controlled drain valve in the embodiment utilizes the deformation characteristic of the bimetallic strip generated during temperature change to directly drive the valve core to reciprocate in the valve body so as to realize the regulation and control of the conduction and the blocking states of the valve body. In the whole use, the conversion of the plugging state and the conducting state of the adjustable temperature control drain valve is realized only by the temperature change of the use environment, more specifically, the plugging of the control valve is controlled by the temperature change of the liquid in the two liquid containing spaces connected with the temperature control drain valve, other complex circuits connected through a sensor are not needed, the whole structure for installing and using the matched heat-sensitive magnetic control valve is simplified, the cost performance is high, and the adjustable temperature control drain valve is suitable for comprehensive popularization.

For the connection mode between the bimetallic strip and the valve body, the scheme of this embodiment is to set up a bearing platform in the valve body, the edge of the bimetallic strip is put on the bearing platform, it can be clear that the bearing platform here can be the inner ring of the closed loop, also can be the multisection arc block that sets up at intervals, etc., the technicians in this field should incorporate the protection scope of the utility model for the concrete realization structure that can think about without creative work;

the back is passed from the bimetallic strip in the upper end of case, the preferred position of wearing to establish is the center of bimetallic strip, pass through threaded connection with the regulation pointer, the bellying of bimetallic strip is suppressed and is being adjusted the pointer and accept between the platform, when adjusting the pointer to the direction motion that is close to or keeps away from load-bearing platform with regard to this screw thread rotation, then changed the chordal height size of the bellying of bimetallic strip, correspondingly, just so changed the temperature that the bimetallic strip meets the heat and produces the thermal stress deformation, in order to reach the deformation temperature of the reverse sudden jump of adjustment bimetallic strip thermal deformation, realize the utility model discloses an adjustable control by temperature change drain valve should arrive electric rice cooker when, has the adjustable characteristic of displacement and drainage temperature, when heightening its drainage temperature, can improve the rice and soak the highest temperature in rice water and soak long time to change rice softness and taste.

Be provided with the regulation spiral cover on the valve body in this embodiment, adjust the spiral cover through rotating and drive and adjust the pointer rotation to the realization is more favorable to the operation to the displacement and the regulation of drainage temperature of adjustable control by temperature change drain valve, facilitates the use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a perspective view of an adjustable temperature control drain valve according to an embodiment of the present invention.

Fig. 2 is a front view of an adjustable temperature-controlled drain valve according to an embodiment of the present invention.

Fig. 3 is a sectional view in the direction of a-a in fig. 2 (the adjustable temperature-controlled water discharge valve is in a blocking state);

fig. 4 is a schematic structural view of a conducting state of an adjustable temperature-controlled drain valve according to an embodiment of the present invention;

fig. 5 is an exploded view of an adjustable temperature-controlled drain valve according to an embodiment of the present invention.

The reference numbers illustrate:

the valve comprises a valve body 1, a liquid inlet 11, a liquid outlet 12, a liquid passing channel 13, a bearing platform 14, a circumferential groove 15, a positioning hole 17 and an annular spacer ring 18;

valve core 2, section 21; a bimetallic strip 3, an adjusting pointer 4;

an adjusting screw cap 5, an adjusting through hole 51, a lower extension piece 52, a visual window 53 and an elastic claw 54;

and a fixed seat 6.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 5, an adjustable temperature-controlled drain valve includes a valve body 1, a valve element 2 and a bimetal 3, wherein the valve body 1 is provided with a liquid inlet 11 and a liquid outlet 12, a liquid passage 13 is formed between the liquid inlet 11 and the liquid outlet 12, the valve element 2 is disposed in the valve body 1 through the bimetal 3 in a reciprocating manner, and the shape of the valve element is adapted to the structure of the liquid outlet 12, so that the bimetal 3 deforms when the temperature changes to drive the valve element 2 to move relative to the valve body 1, thereby realizing the control of the conduction and the blocking of the liquid outlet 12, and further including an adjusting pointer 4 and an adjusting screw cap 5;

a bearing platform 14 is arranged in the valve body 1, and the edge of the bimetallic strip 3 is borne by the bearing platform 14; the upper end of the valve core 2 passes through the bimetallic strip 3 and then is connected with the adjusting pointer 4 through threads, and the adjusting pointer 4 can reciprocate on the valve core 2 along with the threads;

the adjusting screw cap 5 is rotatably arranged on the valve body 1, and the adjusting pointer 4 is arranged in the area where the adjusting screw cap 5 can rotate and interfere with the valve body, so that the adjusting screw cap 5 can rotate synchronously.

The bimetallic strip 3 in the technical scheme is a butterfly-shaped kick bimetallic strip with a convex surface and a concave surface, the kick bimetallic strip is subjected to pressure or temperature-sensitive heating to generate thermal reverse elastic deformation on the convex surface, and the front surface and the back surface of the bimetallic strip are respectively coated with coatings with different thermal expansion coefficients, so that the convex (concave) direction of the bimetallic strip can be inverted in different temperature environments. The adjustable temperature-controlled drain valve in this embodiment utilizes the deformation characteristic of the bimetal when the temperature changes to directly drive the valve element 2 to reciprocate in the valve body 1, thereby realizing the control of the conduction and blocking states of the valve body 1. In the whole use, the conversion of the plugging state and the conducting state of the adjustable temperature control drain valve is realized only by the temperature change of the use environment, more specifically, the plugging of the temperature control drain valve is controlled by the temperature change of the liquid in the two liquid containing spaces connected with the temperature control drain valve, other complex circuits connected through a sensor are not needed, the whole structure for installing and using the matched heat-sensitive magnetic control valve is simplified, the cost performance is high, and the adjustable temperature control drain valve is suitable for comprehensive popularization.

For the connection mode between the bimetallic strip 3 and the valve body 1 and the valve core 2, the scheme of this embodiment is to set a bearing platform 14 in the valve body 1, and the edge of the bimetallic strip 3 is put on the bearing platform 14, it can be clear that the bearing platform 14 here can be a closed loop inner ring, and also can be a multi-segment arc block arranged at intervals, and so on, and the concrete implementation structure that the skilled person can think without creative work should be included in the protection scope of the present invention;

after the upper end of the valve core 2 passes through the bimetallic strip 3, the preferred passing position is the center of the bimetallic strip 3, the convex surface of the bimetallic strip 3 is pressed between the adjusting pointer 4 and the bearing platform 14 through the threaded connection with the adjusting pointer 4, so that when the adjusting pointer 4 is rotated by the thread to move towards or away from the bearing platform 14, the chordal height dimension of the convex surface of the bimetal 3 is changed, accordingly, the temperature of the bimetal 3 which is thermally deformed by thermal stress is changed, so as to adjust the deformation temperature of the bimetallic strip 3 in the thermal deformation reverse snap-through state, and realize that the adjustable temperature control drain valve of the utility model has the characteristic of adjustable water discharge and drain temperature when the adjustable temperature control drain valve is applied to the electric cooker, when the water discharging temperature is increased, the highest temperature and the soaking time of the rice in the rice soup can be increased, so that the softness and the taste of the rice are changed.

Be provided with on the valve body 1 in this embodiment and adjust spiral cover 5, adjust spiral cover 5 and drive through rotating and adjust the rotation of pointer 4 to the realization is more favorable to the operation to the regulation of the displacement and the drainage temperature of adjustable control by temperature change drain valve, facilitates the use.

For the specific structural shape of the valve body 1, preferably, the valve body 1 is cylindrical, the receiving platform 14 is arranged at the upper part of the inner cavity of the receiving platform, the adjusting screw cap 5 is rotatably covered at the upper end of the adjusting screw cap, the upper end of the valve core 2 is connected with the bimetallic strip 3 and is arranged in the inner cavity of the valve body 1 in a suspending manner, and the valve body is simple in structure and convenient to process.

Furthermore, the adjusting pointer 4 is a block-shaped structure, the end surface of the adjusting screw cap 5 is provided with an adjusting through hole 51, the adjusting pointer 4 is just accommodated in the adjusting through hole 51 and can reciprocate up and down in the adjusting through hole 51, in this embodiment, the adjusting screw cap 5 is a shell-shaped structure which is covered on the upper end of the valve body 1 in an adaptive manner, the adjusting through hole 51 is directly machined in the shell structure, so that the adjusting pointer 4 is clamped to rotate synchronously along with the shell structure, and therefore adjustment of the drain valve is achieved, the structure is simple, and machining and operation are convenient.

Preferably, the adjusting through hole 51 is formed with a vertically extending lower piece 52 on the hole edge thereof, and the lower piece 52 interferes with the adjusting pointer 4 in the rotating process of the adjusting screw cap 5 to drive the adjusting pointer 4 to rotate synchronously with the adjusting screw cap 5; this lower extension piece 52 is by adjusting the direct downwardly bent formation behind the terminal surface cutting of spiral cover 5, and processing is convenient, and simultaneously, lower extension piece 52 has increased the area of contact of adjusting spiral cover 5 and adjusting pointer 4, can guarantee that there is sufficient torque transfer to adjust pointer 4, make the smooth and easy high efficiency of regulation of adjusting pointer 4, on the other hand also is through the extension height of lower extension piece 52 in vertical direction, guarantee to adjust pointer 4 under the condition that vertical height changes, also can not break away from the region of adjusting spiral cover 5 and driving its synchronous revolution. Preferably, the number of the lower pieces 52 is two, and two lower pieces 52 are oppositely arranged to form a containing cavity so that the adjusting pointer 4 is enclosed in the containing cavity.

For the assembly structure of the adjusting screw cap 5 and the valve body 1, the specific implementation manner that the adjusting screw cap 5 can rotate relatively and the adjusting pointer 4 can be driven to rotate synchronously by the adjusting screw cap 5 without creative work shall fall within the protection scope of the present patent, specifically:

for the assembly structure of the adjusting screw cap 5 and the valve body 1, one preferred embodiment is that a circumferential groove 15 is arranged on the outer side wall of the valve body 1, the adjusting screw cap 5 is arranged at the upper end of the valve body 1 in an inverted manner, an inward-recessed positioning convex ring is arranged on the side wall of the adjusting screw cap, the positioning convex ring is rotatably assembled in the circumferential groove 15, and the positioning convex ring and the circumferential groove 15 in the embodiment limit the relative displacement of the adjusting screw cap 5 and the valve body 1 in the vertical direction, so that the assembly, the disassembly and the processing are convenient.

Further, in order to enable a consumer to know the adjustment degree and the adjustment state of the drainage amount and the drainage temperature of the drain valve very clearly, a gear structure that is easy to be perceived by the consumer in the adjustment process is designed in the technical scheme of this embodiment, specifically, a plurality of positioning holes 17 are arranged in the circumferential groove 15 at intervals, and a positioning protrusion (not shown in the figure) that can sink into the positioning hole 17 is arranged on the positioning convex ring, preferably, the positioning protrusion is in a convex point shape, and the positioning protrusion sinks into different positioning holes 17 to serve as different adjustment gears of the adjustment screw cap 5.

To the assembly structure of adjusting spiral cover 5 and valve body 1, another preferred embodiment does, the lateral wall of valve body 1 is equipped with circumference recess 15, adjust spiral cover 5 back-off setting and be in the upper end of valve body 1, its lateral wall is equipped with the elasticity jack catch 54 of a plurality of interior knot forms, elasticity jack catch 54 rotatably assembles in circumference recess 15, and elasticity jack catch 54 card is gone into circumference recess 15, and the restriction is adjusted and has been restricted the relative displacement of adjusting spiral cover 5 and valve body 1 on vertical direction, dismouting and processing convenience.

Further, in order to enable a consumer to know the adjustment degree and the adjustment state of the drain amount and the drain temperature of the drain valve very clearly, a gear structure which is easy to be perceived by the consumer in the adjustment process is designed in the technical scheme of the embodiment, specifically, a plurality of positioning holes 17 are arranged in the circumferential groove 15 at intervals, the lower end of the elastic claw 54 can be sunk into the positioning holes 17 in a micro-adaptive manner, and the elastic claw 54 is sunk into different positioning holes 17 to serve as different adjustment gears of the adjustment screw cap; when the elastic claw 54 is screwed into the positioning hole 17 in the groove, the lower end of the elastic claw 54 slightly sinks into the positioning hole 17, so that the adjusting screw cap 5 carries the adjusting pointer 4 and is clamped (an adjusting gear).

Further, in any one of the positioning holes 17 in the above embodiments, a limit screw for limiting the maximum rotation circumference of the adjustment screw cap 5 is provided to block the positioning protrusion or the elastic claw 54, thereby limiting the maximum rotation angle of the adjustment screw cap 5.

Preferably, the upper end face of the adjusting screw cap 5 is provided with a visual window 53, the upper end face of the valve body 1 is provided with a mark for indicating a high gear and a low gear, the mark is seen by a consumer through the visual window in the rotating process of the adjusting screw cap 5, and the adjusting screw cap is convenient to use, and the mark can be in the characters of high and low and can also be the marks of L and H.

For specific plugging and conducting assembly structures between the valve core 2 and the liquid outlet 12, various structures can be adopted, for example, a conical surface is designed and processed at the lower end of the valve core 2, correspondingly, a conical surface is also designed and processed on the wall surface of an inner cavity of the valve body 1, and plugging and conducting are realized by the attachment and separation of the conical surfaces of the valve core 2 and the liquid outlet 12; or,

it is another preferable embodiment that the liquid inlet 11 is arranged on the side wall of the valve body 1;

the side wall of the inner cavity of the valve body 1 protrudes inwards to form an annular spacer ring 18, and an inner ring hole is reserved in the middle of the annular spacer ring 18 and is the liquid outlet 12;

the valve core 2 is a T-shaped structural member consisting of a transverse part and a longitudinal part, the outer contour of the transverse part is larger than the caliber of the liquid outlet 12, the longitudinal part penetrates through the liquid outlet 12, then penetrates through the bimetallic strip 3 and is in threaded connection with the adjusting pointer 4, the transverse part is left outside the liquid outlet 12, when the valve core 2 is driven by the bimetallic strip 3 to move upwards, the transverse part of the valve core abuts against the lower end face of the annular spacer ring 18, and the liquid inlet 11 is in a blocking state; when the valve core 2 is driven by the bimetallic strip 3 to move downwards, the transverse part of the valve core is separated from and contacted with the lower end surface of the annular spacer ring 18, and the liquid inlet 11 is in a blocking state, so that the structure is simple and the processing is convenient.

Further, the liquid inlet 11 is a circular hole or a strip-shaped hole. In this embodiment, the preferred shape of loading port 11 is round or bar-shaped, which prevents rice from flowing into loading port 11 with water during cooking.

The lower end side wall of the valve core 2 is attached to the inner cavity side wall of the valve body 1, wherein the lower end side wall of the valve core 2 is at least provided with one tangent plane 21, and correspondingly, the inner cavity side wall of the valve body 1 is also at least provided with one tangent plane, if the valve core 2 is a T-shaped structural member consisting of a transverse part and a longitudinal part, the side wall surface of the transverse part is attached to the inner cavity side wall of the valve body 1, wherein the side wall surface of the transverse part is at least provided with one tangent plane 21, and correspondingly, the inner cavity side wall of the valve body 1 is also at least provided with one tangent plane, and the tangent plane limits the rotation of the valve core 2 relative to the valve body 1, so that the situation that the valve core 2 is supported to rotate along with the adjusting pointer 4 by means of other tools in the process of rotating the adjusting pointer 4 is avoided, and the convenience of adjusting the drain valve is greatly improved.

Preferably, still including being used for the fixing base 6 of adjustable temperature control drain valve installation, fixing base 6 with valve body 1 passes through threaded connection, and in this embodiment, preferred connected mode adopts threaded connection between fixing base 6 and valve body 1, can install valve body 1 on appointed mounted position fast through threaded connection.

The electric cooker for making the low-starch sugar rice comprises an inner container for containing a rice-water mixture, a cooker liner sleeved outside the inner container and the adjustable temperature control drain valve, wherein the adjustable temperature control drain valve is arranged on the inner container so as to realize that the liquid outlet 12 of the adjustable temperature control drain valve is communicated when the deformation temperature of the bimetallic strip is reached, and water in the inner container is discharged into the cooker liner through the liquid outlet 12.

In this embodiment, a low-sugar electric cooker including the adjustable temperature-control drain valve includes an inner container and a pot container, and includes main components of a common electric cooker, such as a heating plate, a circuit board, a control panel, and the like, which are all in the prior art and are not described herein in detail;

preferably, the bottom wall of the inner container of the electric cooker is provided with a through hole penetrating through the bottom wall of the inner container, so as to install the adjustable temperature control drain valve; the threaded column at the upper end of the fixed seat 6 penetrates through the through hole in the bottom wall of the liner to be connected with the internal thread at the bottom of the valve body 1, and a waterproof silica gel gasket is preferably arranged on the contact surface of the fixed seat 6 and the wall of the liner for better waterproof effect;

when the adjustable temperature control drain valve is fixedly arranged on the bottom wall of the inner container of the electric rice cooker and is in a closed state at normal temperature, when the electric rice cooker cooks rice, the upward convex double-metal sheet 3 is changed into a downward concave state along with the temperature rise in the inner container to the deformation temperature of the double-metal sheet 3, the valve core 2 is driven to move downwards to leave the blocking position of the liquid outlet 12, and then the liquid in the inner container flows from the liquid outlet 12 to the inner container from the liquid inlet 11 through the liquid channel 13, so that rice-water separation is completed, and low-sugar rice is cooked.

Preferably, the adjustable temperature control drain valve is detachably mounted on the inner container through a fixed seat 6, and the fixed seat 6 is connected with the valve body 1 through threads.

Preferably, the bottom wall surface of the inner container is provided with a valve body mounting hole, the lower end of the valve body 1 is provided with a small-diameter section and a mounting step, the small-diameter section penetrates through the valve body mounting hole and then is connected with the fixing seat 6, and meanwhile the mounting step is abutted to the bottom wall surface of the inner container, so that the inner container is convenient to process and mount.

Preferably, the side wall surface of the lower end of the valve core 2 is attached to the inner wall surface of the small-diameter section, at least one tangent plane is arranged on the circumference of the small-diameter section, and correspondingly, at least one tangent plane is arranged on the circumference of the lower end of the valve core 2 and the circumference of the valve body mounting hole, so that the valve body mounting hole is convenient to process and mount.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a control by temperature change drain valve with adjustable, includes valve body, case and bimetallic strip, the valve body is equipped with inlet and liquid outlet, the inlet with be formed with the liquid passageway between the liquid outlet, the case passes through bimetallic strip can set up reciprocating motion in the valve body, and its shape with the structure of liquid outlet suits, in order to pass through the deformation that bimetallic strip produced when the temperature variation drives the case is relative the valve body motion realizes right switching on and the shutoff of liquid outlet is regulated and control its characterized in that: the device also comprises an adjusting pointer and an adjusting screw cap;

2. The adjustable temperature controlled drain valve according to claim 1, wherein: the valve body is cylindrical, the bearing platform is arranged at the upper part of the inner cavity of the bearing platform, and the adjusting rotary cover is rotatably covered at the upper end of the adjusting rotary cover.

3. The adjustable temperature-controlled water discharge valve according to claim 2, wherein: the adjusting pointer is of a block structure, an adjusting through hole is formed in the end face of the adjusting screw cap, and the adjusting pointer is just accommodated in the adjusting through hole and can reciprocate up and down in the adjusting through hole.

4. The adjustable temperature controlled drain valve according to claim 3, wherein: the adjusting through hole is formed with a lower extending piece which extends vertically on the hole edge of the adjusting through hole, and the lower extending piece interferes with the adjusting pointer in the rotating process of the adjusting screw cap to drive the adjusting pointer to rotate synchronously with the adjusting screw cap.

5. The adjustable temperature controlled drain valve according to claim 4, wherein: the number of the lower extending pieces is two, and the two lower extending pieces are oppositely arranged and surround the adjusting pointer.

6. The adjustable temperature controlled drain valve according to claim 2 or 3, wherein: the outer side wall of the valve body is provided with a circumferential groove, the adjusting screw cap is arranged at the upper end of the valve body in a reverse buckling mode, the side wall of the adjusting screw cap is provided with an inward sunken positioning convex ring, and the positioning convex ring is rotatably assembled in the circumferential groove.

7. The adjustable temperature controlled drain valve according to claim 6, wherein: a plurality of positioning holes are arranged in the circumferential groove at intervals, and positioning protrusions which can slightly sink into the positioning holes are arranged on the positioning convex rings, so that the positioning protrusions sink into different positioning holes to serve as different adjusting gears of the adjusting screw cap.

8. The adjustable temperature controlled drain valve according to claim 2 or 3, wherein: the lateral wall of valve body is equipped with the circumference recess, it sets up to adjust spiral cover back-off the upper end of valve body, and its lateral wall is equipped with the elasticity jack catch of a plurality of interior knot forms, the elasticity jack catch rotatably assembles in the circumference recess.

9. The adjustable temperature controlled drain valve according to claim 8, wherein: a plurality of positioning holes are formed in the circumferential groove at intervals, the lower end of the elastic clamping jaw can be sunk into the positioning holes in a micro mode, and therefore the elastic clamping jaw is sunk into different positioning holes to serve as different adjusting gears of the adjusting screw cap.

10. The adjustable temperature controlled drain valve according to claim 7 or 9, wherein: and a limiting screw for limiting the maximum rotation circumference of the adjusting screw cap is arranged in any one of the positioning holes.

11. The adjustable temperature controlled drain valve according to claim 6, wherein: the upper end face of the adjusting screw cap is provided with a visual window, the upper end face of the valve body is provided with a mark for indicating a high gear and a low gear, and the mark is seen by a consumer through the visual window in the rotating process of the adjusting screw cap.

12. The adjustable temperature-controlled water discharge valve according to claim 2, wherein: the liquid inlet is arranged on the side wall of the valve body;

13. The adjustable temperature controlled drain valve according to claim 12, wherein: the liquid inlet is a circular hole or a strip-shaped hole.

14. The adjustable temperature-controlled water discharge valve according to claim 2, wherein: the lower end side wall of the valve core is attached to the inner cavity side wall of the valve body, wherein at least one tangent plane is arranged on the lower end side wall of the valve core, and correspondingly, at least one tangent plane is also arranged on the inner cavity side wall of the valve body.

15. The adjustable temperature controlled drain valve according to claim 1, wherein: the temperature control water discharge valve is characterized by further comprising a fixing seat used for installing the adjustable temperature control water discharge valve, and the fixing seat is connected with the valve body through threads.

16. An electric cooker for making rice with low starch sugar is characterized in that: the adjustable temperature-control drain valve comprises an inner container for containing a rice-water mixture, a pot container sleeved outside the inner container and the adjustable temperature-control drain valve as claimed in any one of claims 1 to 12, wherein the adjustable temperature-control drain valve is mounted on the inner container so as to realize that when the deformation temperature of the bimetallic strip is reached, the liquid outlet of the adjustable temperature-control drain valve is communicated, and water in the inner container is discharged into the pot container through the liquid outlet.

17. The rice cooker of claim 16, wherein: the adjustable temperature control drain valve is detachably mounted on the inner container through a fixing seat, and the fixing seat is connected with the valve body through threads.

18. The rice cooker of claim 17, wherein: the bottom wall face of inner bag is equipped with the valve body mounting hole, the lower extreme of valve body is equipped with minor diameter section and installation step, the minor diameter section pass behind the valve body mounting hole with the fixing base is connected, simultaneously the installation step with the diapire face looks butt of inner bag.

19. The rice cooker of claim 18, wherein: the side wall surface of the lower end of the valve core is attached to the inner wall surface of the small-diameter section, at least one tangent plane is arranged on the circumference of the small-diameter section, and correspondingly, at least one tangent plane is arranged on the circumference of the lower end of the valve core and the circumference of the valve body mounting hole.