CN219693325U

CN219693325U - Dry burning preventing device and stove

Info

Publication number: CN219693325U
Application number: CN202320992498.9U
Authority: CN
Inventors: 任富佳; 李科; 周柯成; 熊苗东; 张开川
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-09-15
Anticipated expiration: 2033-04-26

Abstract

The utility model provides a dry burning prevention device and a stove, relates to the technical field of gas stoves, and aims to solve the problem that a dry burning prevention probe is easy to move to a certain extent, so that a detection probe is in contact with a fire cover of the stove, and misjudgment occurs. The utility model provides an anti-dry heating device which comprises a detection probe, a positioning mechanism and a limiting assembly; a positioning through hole which penetrates through the positioning mechanism along the axial direction of the positioning mechanism is formed in the positioning mechanism, the detection probe is positioned in the positioning through hole, and positioning grooves which are communicated with the positioning through hole are formed at the two ends of the positioning through hole and correspond to the positioning mechanism; the limiting assembly comprises a first limiting member and a second limiting member, the first limiting member and the second limiting member are sleeved on the detection probe, and the first limiting member and the second limiting member are respectively embedded into the corresponding positioning grooves.

Description

Dry burning preventing device and stove

Technical Field

The utility model relates to the technical field of gas stoves, in particular to a dry combustion preventing device and a stove.

Background

The gas stove with the dry burning prevention function can cut off flame under the condition of dry burning of the cookware, so that the use safety of the gas stove can be further improved. Most of the existing gas stoves with the dry burning prevention function realize temperature monitoring by installing a temperature sensor probe, so that dry burning of cookers is avoided.

At present, most of fixing modes of the dry-burning prevention probe adopt sheet metal parts to be matched with screws or are directly fastened on a fixing seat by adopting screws. However, in this way, although the probe can be positioned, in the use process, the probe needs to be in continuous contact with the pot, so that the probe is very easy to loosen and incline after a certain period of use, thereby enabling the probe to be in contact with the fire cover of the burner, affecting the judgment of the probe on the temperature and further leading to the erroneous judgment of the dry burning prevention function.

Therefore, there is an urgent need to provide a dry burning prevention device and a stove to solve the problems in the prior art to a certain extent.

Disclosure of Invention

The utility model aims to provide a dry combustion preventing device and a stove, which are used for solving the problem that a dry combustion preventing probe is easy to move to a certain extent, so that a detecting probe is contacted with a fire cover of the stove, and misjudgment is caused.

The utility model provides an anti-dry heating device which comprises a detection probe, a positioning mechanism and a limiting assembly, wherein the detection probe is arranged on the detection probe; a positioning through hole which penetrates through the positioning mechanism along the axial direction of the positioning mechanism is formed in the positioning mechanism, the detection probe is positioned in the positioning through hole, and positioning grooves which are communicated with the positioning through hole are formed at the two ends of the positioning through hole and correspond to the positioning mechanism; the limiting assembly comprises a first limiting member and a second limiting member, the first limiting member and the second limiting member are sleeved on the detection probe, and the first limiting member and the second limiting member are respectively embedded into the corresponding positioning groove.

The positioning mechanism comprises a positioning assembly and a connecting seat, wherein the connecting seat is connected with the positioning assembly, the positioning assembly comprises a first positioning piece and a second positioning piece, and the first positioning piece and the second positioning piece are buckled to form the positioning through hole and the positioning groove.

Specifically, the connecting seat is connected with the first positioning piece, a first connecting part and a first matching part are formed on one side, facing the second positioning piece, of the first positioning piece, a second connecting part is formed at the position, corresponding to the first connecting part, of the second positioning piece, and a second matching part is formed at the position, corresponding to the first matching part, of the second positioning piece; the first connecting part is opposite to the second connecting part, and the first matching part is matched with the second matching part so that the first positioning piece and the second positioning piece are buckled.

Further, the first connecting portion and the second connecting portion are through holes, the first fitting portion is a fitting convex portion or a receiving concave portion, and when the first fitting portion is a fitting convex portion, the second fitting portion is a receiving concave portion, and when the first fitting portion is a receiving concave portion, the second fitting portion is a fitting convex portion.

The positioning through hole comprises a main body section, a first accommodating section and a second accommodating section, wherein both ends of the main body section are positioning grooves, and one side, far away from the main body section, of each positioning groove is the first accommodating section or the second accommodating section; the first limiting member and the second limiting member comprise deformation parts, limiting parts and abutting parts, the limiting parts are located in the positioning grooves, the deformation parts are located in the corresponding first containing section and second containing section, and the abutting parts are located outside the first containing section and the second containing section and are attached to the end faces of the positioning mechanism.

Specifically, the deformation portion and the limiting portion are made of elastic materials, the deformation portion and the limiting portion are in a lantern-shaped structure in a natural state, the maximum diameter of the deformation portion is larger than the diameters of the first accommodating section and the second accommodating section, and the thickness of the limiting portion in the natural state is smaller than the axial dimension of the positioning groove.

Specifically, the limiting part comprises a first contact section and a second contact section, one end of the first contact section is connected with one end of the deformation part far away from the abutting part, the other end of the first contact section is connected with one end of the second contact section, and the second contact section and the first contact section are mutually perpendicular in a natural state.

Specifically, the diameters of the first accommodating section and the second accommodating section are larger than the diameter of the main body section, and the diameter of the main body section is not smaller than the diameter of the detection probe.

Further, the detection probe comprises a head and a neck, the limiting assembly is sleeved on the neck, and a temperature sensor is arranged in the head and used for detecting temperature.

Compared with the prior art, the dry burning prevention device provided by the utility model has the following advantages:

the utility model provides an anti-dry heating device which comprises a detection probe, a positioning mechanism and a limiting assembly; a positioning through hole which penetrates through the positioning mechanism along the axial direction of the positioning mechanism is formed in the positioning mechanism, the detection probe is positioned in the positioning through hole, and positioning grooves which are communicated with the positioning through hole are formed at the two ends of the positioning through hole and correspond to the positioning mechanism; the limiting assembly comprises a first limiting member and a second limiting member, the first limiting member and the second limiting member are sleeved on the detection probe, and the first limiting member and the second limiting member are respectively embedded into the corresponding positioning grooves.

From analysis, the positioning through hole formed by the positioning mechanism can initially limit the detection probe, and the positioning grooves formed at two ends of the positioning through hole in the positioning mechanism, and the limiting assembly comprises the first limiting member and the second limiting member, so that the detection probe can be positioned by sleeving the first limiting member and the second limiting member on the detection probe and embedding the first limiting member and the second limiting member into the positioning grooves, and further, the movement of the detection probe in the axial direction can be reduced to a certain extent.

And through the two-point positioning of the first limiting component and the second limiting component to the detection probe, the problem that the detection probe is offset in the use process can be avoided to a certain extent, so that the problem that the detection probe is contacted with the fire cover of the burner and misjudgment of dry combustion method detection is prevented can be reduced.

In addition, the utility model also provides a kitchen range, which comprises a burner and the dry burning preventing device; the burner is provided with a mounting hole, the positioning mechanism is connected with the burner, and the detection probe extends out of the burner from the mounting hole.

The mounting hole formed by the burner can enable the detection probe to extend out of the burner to be in contact with the cooker, and the cooker adopting the dry burning prevention device can better ensure the position of the detection probe in the use process, reduce the probability of the detection probe generating offset and movement, further ensure the detection precision and accuracy, and avoid the problem of dry burning prevention misjudgment.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of an anti-dry combustion device according to an embodiment of the present utility model;

FIG. 2 is an exploded view of an anti-dry combustion device according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a first positioning member and a connecting seat in the dry-heating preventing device according to the embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a second positioning member in the dry combustion device according to the embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a first limiting member in the dry combustion device according to an embodiment of the present utility model;

fig. 6 is an assembled sectional view of a first limiting member in the dry combustion device according to the embodiment of the present utility model;

fig. 7 is a schematic diagram of the overall structure of a burner and an anti-dry combustion device in a stove according to an embodiment of the present utility model.

In the figure: 1-detecting a probe; 101-head; 102-neck; 2-a positioning mechanism; 201-a first positioning member; 2011-a first connection; 2012-a first mating portion; 202-a second positioning member; 2021-second connection; 2022-second mating portion; 203-connecting seats; 2031-a butt joint; 2032-a mounting; 2033-connecting holes; 204-a body segment; 205-a first accommodation section; 206-a second receiving section; 207-positioning grooves; 3-a first stop member; 301-abutment; 302-deformation; 303-a limiting part; 3031-a first contact section; 3032-a second contact section; 4-a second stop member; a 5-burner; 501-mounting holes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

In describing embodiments of the present utility model, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is conventionally put in place when used, merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "coupled" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As used herein, the term "and/or" includes any one of the listed items of interest and any combination of any two or more.

For ease of description, spatially relative terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. Singular forms also are intended to include plural forms unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" are intended to specify the presence of stated features, integers, operations, elements, and/or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, and/or groups thereof.

Variations from the shapes of the illustrations as a result, of manufacturing techniques and/or tolerances, are to be expected. Accordingly, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shapes that occur during manufacture.

The features of the examples described herein may be combined in various ways that will be apparent upon an understanding of the present disclosure. Further, while the examples described herein have a variety of configurations, other configurations are possible as will be apparent after an understanding of the present disclosure. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 and fig. 2, the utility model provides an anti-dry heating device, which comprises a detection probe 1, a positioning mechanism 2 and a limiting assembly; a positioning through hole which penetrates through the positioning mechanism 2 along the axial direction of the positioning mechanism 2 is formed in the positioning mechanism 2, the detection probe 1 is positioned in the positioning through hole, and positioning grooves 207 which are communicated with the positioning through hole are formed at two ends of the positioning through hole and correspond to the positioning mechanism 2; the limiting assembly comprises a first limiting member 3 and a second limiting member 4, the first limiting member 3 and the second limiting member 4 are sleeved on the detection probe 1, and the first limiting member 3 and the second limiting member 4 are respectively embedded into the corresponding positioning groove 207.

according to the dry combustion preventing device provided by the utility model, the detection probe 1 can be initially limited through the positioning through hole formed by the positioning mechanism 2, and the positioning grooves 207 formed at the two ends of the positioning through hole in the positioning mechanism 2 are used for limiting the detection probe 1, and the limiting assembly comprises the first limiting member 3 and the second limiting member 4, so that the detection probe 1 can be positioned by sleeving the first limiting member 3 and the second limiting member 4 on the detection probe 1 and embedding the first limiting member 3 and the second limiting member 4 into the positioning grooves 207, and further the axial movement of the detection probe 1 can be reduced to a certain extent.

Moreover, through the two-point positioning of the first limiting member 3 and the second limiting member 4 to the detection probe 1, the problem that the detection probe 1 is deviated in the use process can be avoided to a certain extent, so that the problem that the detection probe 1 is contacted with the fire cover of the burner 5 and misjudgment of dry combustion detection is prevented can be reduced.

It should be noted that, because the flame of the burner 5 is generated at the periphery during the use process, the temperature at the connection position of the dry combustion device and the burner 5 is about 100 ℃, so that the positioning and channeling prevention of the detection probe 1 are realized, the first limiting member 3 and the second limiting member 4 can be made of rubber tensioning pieces, and the first limiting member 3 and the second limiting member 4 are sleeved on the detection probe 1, and the first limiting member 3 and the second limiting member 4 are embedded into the positioning groove 207, so that the position of the detection probe 1 can be fixed through the tensioning force generated between the first limiting member 3 and the second limiting member 4 and the corresponding positioning groove 207 and the friction force of the first limiting member 3 and the second limiting member 4 to the detection probe 1, thereby ensuring the detection accuracy of the detection probe 1 on the dry combustion prevention function.

Alternatively, as shown in fig. 1-4, the positioning mechanism 2 includes a positioning assembly and a connection seat 203, the connection seat 203 is connected with the positioning assembly, the positioning assembly includes a first positioning member 201 and a second positioning member 202, and the first positioning member 201 and the second positioning member 202 are buckled to form a positioning through hole and a positioning slot 207.

It can be understood that, since the positioning assembly of the present utility model includes the first positioning member 201 and the second positioning member 202, and the first positioning member 201 and the second positioning member 202 are buckled to form the positioning through hole and the positioning slot 207, the first positioning member 201 and the second positioning member 202 of the present utility model are each formed with a semicircular slot structure, so that the positioning through hole and the positioning slot 207 can be formed after the first positioning member 201 and the second positioning member 202 are buckled.

Accordingly, since the first positioning piece 201 and the second positioning piece 202 are of a split structure, the first positioning piece 3 and the second positioning piece 4 can be more conveniently installed, that is, the first positioning piece 3 and the second positioning piece 4 are sleeved on the detection probe 1 first and correspond to the positioning groove 207 of the first positioning piece 201 during installation. The detection probe 1 provided with the first limiting member 3 and the second limiting member 4 is placed in the first positioning piece 201, so that the first limiting member 3 and the second limiting member 4 are respectively embedded into the semicircular grooves of the corresponding first positioning piece 201. Finally, the second positioning piece 202 is buckled, so that the detection probe 1, the first limiting member 3 and the second limiting member 4 are clamped and positioned.

While the connection holder 203 of the present utility model is connected to the positioning assembly, specifically, the connection holder 203 may be connected to the first positioning member 201 or the second positioning member 202, and as shown in fig. 3, the connection holder 203 of the present utility model includes a docking portion 2031 and an installation portion 2032, the docking portion 2031 is located between the first positioning member 201 and the second positioning member 202, and the installation portion 2032 is located outside the first positioning member 201 and the second positioning member 202, so that stable connection of the connection holder 203 to the positioning assembly can be achieved through the docking portion 2031, and connection of the connection holder 203 to the burner 5 in the kitchen range can be achieved through the installation portion 2032.

Accordingly, it can be understood that the attachment portion 2032 is further formed with an attachment hole 2033, and the attachment of the attachment base 203 to the burner 5 is achieved by a fastener such as a bolt.

Alternatively, as shown in fig. 3 and fig. 4, in the present utility model, the connection seat 203 is connected to the first positioning member 201, a first connection portion 2011 and a first mating portion 2012 are formed on a side of the first positioning member 201 facing the second positioning member 202, a second connection portion 2021 is formed at a position of the second positioning member 202 corresponding to the first connection portion 2011, and a second mating portion 2022 is formed at a position of the second positioning member 202 corresponding to the first mating portion 2012; the first connecting portion 2011 is aligned with the second connecting portion 2021, and the first mating portion 2012 is mated with the second mating portion 2022, so that the first positioning member 201 and the second positioning member 202 are fastened together.

The snap-fit positioning between the first positioning member 201 and the second positioning member 202 can be achieved by the first fitting portion 2012 formed on the first positioning member 201 and the second fitting portion 2022 formed on the second positioning member 202, and the stable connection between the first positioning member 201 and the second positioning member 202 can be achieved by the first connection portion 2011 formed on the first positioning member 201 and the second connection portion 2021 formed on the second positioning member 202.

Based on the above structure, as shown in fig. 3 and fig. 4, the present utility model provides one embodiment, that is, the first connecting portion 2011 and the second connecting portion 2021 are both perforated, and the stable connection between the first positioning member 201 and the second positioning member 202 can be achieved by providing fastening structures such as bolts or screws in the first connecting portion 2011 and the second connecting portion 2021.

The first mating portion 2012 is a mating protrusion or a receiving recess, and when the first mating portion 2012 is a mating protrusion, the second mating portion 2022 is a receiving recess, and when the first mating portion 2012 is a receiving recess, the second mating portion 2022 is a mating protrusion. Preferably, the first mating portion 2012 is a mating convex portion, and correspondingly, the second mating portion 2022 is a receiving concave portion, so that the first positioning member 201 and the second positioning member 202 can be fastened and positioned by mating the mating convex portion and the receiving concave portion, and play of the first positioning member 201 and the second positioning member 202 is avoided.

It should be noted that, in the present utility model, since the first mating portion 2012 is a mating protrusion, and the connection base 203 is connected to the first positioning member 201, in the present utility model, the abutting portion 2031 of the connection base 203 also protrudes out of the plane where the first positioning member 201 is located, and the protruding dimension of the abutting portion 2031 is the same as the protruding dimension of the mating protrusion, and accordingly, the second positioning member 202 forms a receiving groove corresponding to the location of the abutting portion 2031, so that stable abutting of the first positioning member 201 and the second positioning member 202 can be achieved.

Optionally, as shown in fig. 3 and fig. 4, the positioning through hole in the present utility model includes a main body section 204, a first accommodating section 205 and a second accommodating section 206, two ends of the main body section 204 are both positioning slots 207, and one side of the positioning slots 207 away from the main body section 204 is the first accommodating section 205 or the second accommodating section 206; the first limiting member 3 and the second limiting member 4 each comprise a deformation portion 302, a limiting portion 303 and an abutting portion 301, the limiting portion 303 is located in the positioning groove 207, the deformation portion 302 is located in the corresponding first containing section 205 and second containing section 206, and the abutting portion 301 is located outside the first containing section 205 and the second containing section 206 and is attached to the end face of the positioning mechanism 2.

Since the first limiting member 3 and the second limiting member 4 in the present utility model each include the deformation portion 302, the limiting portion 303 and the abutting portion 301, and the first limiting member 3 and the second limiting member 4 are both sleeved on the detection probe 1, the diameters of the first limiting member 3 and the second limiting member 4 are necessarily larger than those of the detection probe 1, so that the detection probe 1 can be limited by the main body section 204, the limiting portion 303 can be limited by the positioning slots 207 located at two side sections of the main body section 204, and the deformation portion 302 can be limited by the first accommodating section 205 and the second accommodating section 206 located at one side of the positioning slots 207 away from the main body section 204, so that the fixing of the relative positions between the first limiting member 3, the second limiting member 4 and the detection probe 1 can be ensured.

Preferably, as shown in fig. 5, the deformation portion 302 and the limiting portion 303 are made of elastic materials, and the deformation portion 302, the limiting portion 303 and the abutting portion 301 are in a lantern structure in a natural state, the maximum diameter of the deformation portion 302 is larger than the diameters of the first accommodating section 205 and the second accommodating section 206, and the thickness of the limiting portion 303 in the natural state is smaller than the dimension of the positioning groove 207 in the axial direction.

The natural state in the present utility model is a state that deformation is not generated by extrusion by any external force, and since the diameters of the first accommodation section 205 and the second accommodation section 206 in the present utility model are smaller than the maximum diameter of the deformation portion 302, when the first positioning member 201 and the second positioning member 202 are engaged, the first accommodation section 205 of the first positioning member 201 and the first accommodation section 205 of the second positioning member 202 co-compress the deformation portion 302, so that the deformation portion 302 can be continuously brought into proximity to the detection probe 1, as shown in fig. 6, and the detection probe 1 can be restrained by the deformation portion 302.

In the present utility model, the deformation portion 302 and the stopper portion 303 are made of an elastic material, and may be made of the rubber material described above, so that the stopper portion 303 is also bulged by a certain extent when the deformation portion 302 is pressed. Since the axial dimension of the positioning groove 207 is larger than the thickness of the limiting part 303 in the natural state, the positioning groove 207 can be filled when the limiting part 303 bulges, so that the positioning effect of the first limiting member 3 and the second limiting member 4 on the detection probe 1 can be further improved.

It will be appreciated that, as shown in fig. 5, the limiting portion 303 includes a first contact segment 3031 and a second contact segment 3032, one end of the first contact segment 3031 is connected to an end of the deforming portion 302 remote from the abutting portion 301, the other end of the first contact segment 3031 is connected to one end of the second contact segment 3032, and the second contact segment 3032 and the first contact segment 3031 are disposed perpendicular to each other in a natural state.

The above-mentioned stopper 303 bulges to deform and bulge the first contact segment 3031 by the deforming portion 302, and the second contact segment 3032 can abut against the inner wall surface of the positioning groove 207, so that the stability of the first stopper member 3 and the second stopper member 4 is improved.

Optionally, as shown in fig. 1 and fig. 2, the detecting probe 1 in the present utility model includes a head 101 and a neck 102, the limiting component is sleeved on the neck 102, and a temperature sensor is disposed in the head 101 and is used for detecting temperature.

The head 101 of the detection probe 1 is used for being abutted against a pot, monitoring the temperature of the pot in real time, and the neck 102 is used for being connected with a mounting limiting assembly, so that the position accuracy of the whole detection probe 1 is improved, and the detection accuracy is ensured.

In addition, as shown in fig. 7, the utility model also provides a kitchen range, which comprises a burner 5 and the dry burning prevention device; the burner 5 is provided with a mounting hole 501, the positioning mechanism 2 is connected with the burner 5, and the detection probe 1 extends out of the burner 5 from the mounting hole 501.

The mounting holes 501 formed by the burner 5 can enable the detection probe 1 to extend out of the burner 5 to be in contact with the cooker, and the cooker adopting the dry burning prevention device provided by the utility model can better ensure the position of the detection probe 1 in the use process, reduce the probability of offset and movement of the detection probe 1, further ensure the detection precision and accuracy, and avoid the problem of dry burning prevention misjudgment.

It should be noted that, because most cookers are arc-shaped, the center of the cookers is the final position where moisture disappears in most cookers, and accordingly, the position of the mounting hole 501 is located at the center position of the burner 5, so that the detection probe 1 of the dry burning prevention device can correspond to the center position of the cookers after passing through the mounting hole 501, further, the detection accuracy of dry burning of the cookers can be ensured, and the occurrence probability of false judgment is reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The dry burning prevention device is characterized by comprising a detection probe, a positioning mechanism and a limiting assembly;

a positioning through hole which penetrates through the positioning mechanism along the axial direction of the positioning mechanism is formed in the positioning mechanism, the detection probe is positioned in the positioning through hole, and positioning grooves which are communicated with the positioning through hole are formed at the two ends of the positioning through hole and correspond to the positioning mechanism;

the limiting assembly comprises a first limiting member and a second limiting member, the first limiting member and the second limiting member are sleeved on the detection probe, and the first limiting member and the second limiting member are respectively embedded into the corresponding positioning groove.

2. The dry heating preventing apparatus according to claim 1, wherein the positioning mechanism comprises a positioning assembly and a connecting seat, the connecting seat is connected with the positioning assembly, the positioning assembly comprises a first positioning piece and a second positioning piece, and the first positioning piece and the second positioning piece are buckled to form the positioning through hole and the positioning groove.

3. The dry combustion preventing apparatus according to claim 2, wherein the connection base is connected with the first positioning member, a first connection portion and a first mating portion are formed on a side of the first positioning member facing the second positioning member, a second connection portion is formed at a position of the second positioning member corresponding to the first connection portion, and a second mating portion is formed at a position of the second positioning member corresponding to the first mating portion;

the first connecting part is opposite to the second connecting part, and the first matching part is matched with the second matching part so that the first positioning piece and the second positioning piece are buckled.

4. The dry heating preventing apparatus according to claim 3, wherein the first connecting portion and the second connecting portion are perforated, the first fitting portion is a fitting protrusion or a receiving recess, and when the first fitting portion is a fitting protrusion, the second fitting portion is a receiving recess, and when the first fitting portion is a receiving recess, the second fitting portion is a fitting protrusion.

5. The dry combustion preventing apparatus according to claim 2, wherein the positioning through hole comprises a main body section, a first accommodating section and a second accommodating section, both ends of the main body section are positioning grooves, and one side of the positioning groove away from the main body section is the first accommodating section or the second accommodating section;

the first limiting member and the second limiting member comprise deformation parts, limiting parts and abutting parts, the limiting parts are located in the positioning grooves, the deformation parts are located in the corresponding first containing section and second containing section, and the abutting parts are located outside the first containing section and the second containing section and are attached to the end faces of the positioning mechanism.

6. The dry combustion method preventing apparatus according to claim 5, wherein the deformation portion and the limit portion are made of elastic materials, the deformation portion and the limit portion and the abutting portion are in a lantern-shaped structure in a natural state, a maximum diameter of the deformation portion is larger than diameters of the first accommodating section and the second accommodating section, and a thickness of the limit portion in the natural state is smaller than a dimension of the positioning groove in an axial direction.

7. The dry heating preventing apparatus according to claim 5, wherein the limiting portion includes a first contact section and a second contact section, one end of the first contact section is connected to one end of the deformation portion away from the abutment portion, the other end of the first contact section is connected to one end of the second contact section, and the second contact section and the first contact section are disposed perpendicular to each other in a natural state.

8. The dry combustion preventing apparatus of claim 5, wherein the first and second receiving sections have a diameter greater than a diameter of the main section, the main section having a diameter not less than a diameter of the inspection probe.

9. The dry heating preventing device according to claim 1, wherein the detecting probe comprises a head and a neck, the limiting assembly is sleeved on the neck, and a temperature sensor is arranged in the head and used for detecting temperature.

10. A stove comprising a burner and an anti-dry heating device as claimed in any one of claims 1 to 9;

the burner is provided with a mounting hole, the positioning mechanism is connected with the burner, and the detection probe extends out of the burner from the mounting hole.