CN220141412U - Pot cover and cooking utensil capable of improving temperature measurement precision - Google Patents

Abstract

The utility model discloses a pot cover and a cooking utensil capable of improving temperature measurement precision. The pot cover includes enclosing cover, steam valve, install in the inner cup of enclosing cover and be used for the heating device of inner cup, the inner cup is equipped with the exhaust hole, the steam valve is equipped with the exhaust channel, the enclosing cover is equipped with thermal-insulated ring, thermal-insulated ring is equipped with the intercommunication the exhaust hole with the steam channel of exhaust channel, the pot cover is still including locating thermal-insulated ring's temperature measuring element, temperature measuring element's temperature measuring end stretches into in the steam channel. The cooking appliance comprises a pot body with a cooking cavity and a pot cover for opening or closing the cooking cavity. The pot cover and the cooking utensil can accurately collect the temperature of the cooking cavity in the cooking process so as to feed back more accurate temperature information for the cooking program, thereby being beneficial to ensuring the cooking effect.

Description

Pot cover and cooking utensil capable of improving temperature measurement precision

Technical Field

The utility model belongs to the technical field of kitchen appliances, and particularly relates to a pot cover and a cooking utensil capable of improving temperature measurement precision.

Background

The electric rice cooker is widely used by people as a common household appliance. In the current electric cooker operation process, vapor generated by the cooker body continuously rises, condensate water is easily formed by condensation on the lower surface of the inner cover when contacting the inner cover, and the condensate water possibly flows into the cooker body in the cooking process, so that the taste of food in the cooker body is reduced, and the cooking effect is influenced. Moreover, the inner cover accumulates a large amount of condensed water, and in the process of uncapping, the collection and the cleaning of the condensed water are required, for a split type rice cooker, in the process of uncapping and transferring the pot cover, the condensed water of the inner cover easily flows down to pollute the table surface or the ground in a moving path, for a connected rice cooker, a structure for collecting the condensed water flowing down in the uncapping process is required to be designed for the cooker body, the production and manufacturing cost of the cooker body is increased, and a user needs to regularly clean the corresponding condensed water collection structure, so that the cleaning burden of the user is improved.

In order to solve the technical problem, in the prior art, the outer cover is provided with a heating wire for heating the inner cover and a heat conduction shell wrapping the heating wire, the lower surface of the heat conduction shell is at least partially in direct contact with the inner cover to improve the heating efficiency of the inner cover, however, the heating temperature of the heating wire is only 70-80 ℃, and the effect of removing condensed water is not obvious at the temperature. There is a need for a heating device that provides a higher temperature heating means to heat the inner cover to reduce condensation on the inner cover.

In addition, in order to make the electric rice cooker control the process of cooking that can be better, improve the effect of cooking, set up temperature measuring device and detect steam temperature on the pot cover generally, current temperature measuring device designs in lining cover central point, passes lining cover and inner cup, stretches into the temperature measurement of rice cooker inner bag, accomplishes the culinary art work. For the electric cooker with the inner cover heating temperature improved for improving the inner cover condensed water removing effect, if the existing temperature measuring technology is adopted, the temperature measuring precision of the temperature measuring head is easily affected by the high temperature on the inner cover, and the rice cooking effect is affected.

Disclosure of Invention

The utility model provides a pot cover and a cooking utensil capable of improving temperature measurement precision, and aims to solve the technical problem that the temperature measurement precision is affected by high Wen Nagai.

The technical scheme adopted by the utility model is as follows:

the utility model provides an improve pot cover of temperature measurement accuracy, includes enclosing cover, steam valve, installs in the inner cup of enclosing cover and is used for heating the heating device of inner cup, and the inner cup is equipped with the exhaust hole, and the steam valve is equipped with the exhaust channel, and the enclosing cover is equipped with thermal-insulated ring, and thermal-insulated ring is equipped with the steam channel of intercommunication exhaust hole and exhaust channel, and the pot cover is still including the temperature measuring element who locates thermal-insulated ring, and the temperature measuring end of temperature measuring element stretches into in the steam channel.

The pot cover of the utility model also comprises the following additional technical characteristics:

the temperature measuring end of the temperature measuring element transversely stretches into the steam channel.

The steam valve is provided with a steam inlet communicated with the steam discharge channel, the steam inlet extends into the steam channel, and an avoidance gap for avoiding the temperature measuring element is arranged at the steam inlet.

The cooker cover also comprises a cover connected with the outer cover, wherein the cover is provided with a downward extending baffle rib, and the baffle rib abuts against one end of the temperature measuring element to limit the movement of the temperature measuring element.

The pot cover also comprises a sealing piece, the sealing piece is provided with a first sealing part, the heat insulation ring is provided with a positioning rib, and the first sealing part comprises a positioning part which is abutted with the positioning rib and a sealing lip which is connected with the positioning part and abutted with the steam valve so as to seal the butt joint part of the steam exhaust channel and the steam channel.

One of the positioning rib and the positioning part is provided with a limiting protrusion, and the other one of the positioning rib and the positioning part is provided with a limiting groove, and the limiting protrusion and the limiting groove are matched with a stop for limiting the circumferential movement of the sealing element around the heat insulation ring.

The pot cover also comprises a sealing element, the sealing element comprises a main body part extending into the steam channel, the heat insulation ring is provided with a positioning hole for the temperature measuring element to extend into the steam channel, the main body part is provided with a through hole for the temperature measuring element to extend into, and the temperature measuring element is in interference fit with the inner wall of the main body part forming the through hole or the inner wall of the heat insulation ring forming the positioning hole.

The pot cover also comprises a sealing piece, wherein the sealing piece comprises a second sealing part which is positioned between the steam exhaust hole and the steam channel and is used for sealing the butt joint part of the steam exhaust hole and the steam channel.

The heat insulation ring is also provided with a mounting position for mounting the heating device.

The utility model also provides a cooking utensil, which comprises a cooker body with a cooking cavity and a cooker cover for opening or closing the cooking cavity, wherein the cooker cover is the cooker cover for improving the temperature measurement precision, and the steam channel is communicated with the cooking cavity.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. the heating device is used for heating the inner cover so as to improve the condensed water removing effect of the inner cover, the heat insulation ring is additionally arranged on the outer cover, the heat insulation ring is provided with the steam channel communicated with the steam discharging hole of the inner cover and the steam discharging channel of the steam valve, on one hand, a discharging channel communicated with the outside is provided for steam in the cooking cavity, and on the other hand, the heat insulation ring is positioned between the steam channel and the outer cover, so that the influence of the steam on the temperature of the outer cover in the steam discharging process can be reduced, the heat transfer of the steam to the outer cover is reduced, the guarantee is provided for the normal work of all parts in the outer cover, the aging speed of the outer cover is reduced, and the service life of the outer cover is prolonged. The pot cover is still including locating the temperature measuring element of thermal-insulated ring, and in the temperature measuring element's temperature measuring end stretched into steam channel, owing to locate the temperature measuring element thermal-insulated ring and be used for detecting the temperature in the steam channel, compare in current temperature measuring mode, can reduce heating device as far as possible and cause the inner cup temperature to rise to the influence of temperature measurement precision, can promote the accuracy of temperature measurement by a wide margin, guarantee the culinary art effect.

2. As a preferred embodiment of the utility model, the temperature measuring end of the temperature measuring element extends into the steam channel in a lateral direction. The transversely extending temperature measuring element can temporarily accumulate steam at the temperature measuring element on one hand so as to further improve the accuracy of the temperature measuring element in detecting the temperature of the steam, and on the other hand, the transversely extending temperature measuring element can form a blocking for the steam so as to form a micro-pressure environment in the cooking cavity of the pot body, thereby being beneficial to improving the heating efficiency and the cooking effect.

In addition, compared with the common pot cover, the pot cover has the function of top heating, and the pot cover is integrated with the heating device, so compared with the common pot cover, the pot cover has the trend of thickening in the whole thickness, and if the temperature measuring element is vertically arranged, the vertical temperature measuring element needs to keep the height distance between the temperature measuring end and the inner cover to avoid the interference of the temperature of the inner cover on the steam temperature, and the pot cover thickness is possibly further increased. According to the embodiment, the temperature measuring element is transversely placed, and the position of the temperature measuring element can be reasonably arranged, so that the distance between the temperature measuring element and the inner cover can be ensured, the interference of the temperature rise of the inner cover on the temperature measuring result is avoided, and the whole thickness of the pot cover can be thinned.

Further, the steam valve is provided with a steam inlet communicated with the steam discharge channel, the steam inlet stretches into the steam channel, and an avoidance gap for avoiding the temperature measuring element is arranged at the steam inlet. The steam inlet is provided with the avoidance notch, so that on one hand, in the installation process of the temperature measuring element, the temperature measuring element can be installed and positioned to realize guidance, on the other hand, the temperature measuring element can be limited along the axial direction of the steam channel, and the temperature measuring element is prevented from shifting along the axial direction of the steam channel under the action of steam pressure, so that the stability of the installation position of the temperature measuring element is ensured, and the guarantee is provided for the accuracy of temperature measurement.

3. As a preferred embodiment of the utility model, the pot cover further comprises a surface cover connected with the outer cover, wherein the surface cover is provided with a downward extending baffle rib, and the baffle rib abuts against one end of the temperature measuring element so as to limit the movement of the temperature measuring element. The stop rib can limit the displacement of the temperature measuring element on one hand, so that the temperature measuring end of the temperature measuring element can be kept stable in the steam channel, and a guarantee is provided for stable temperature measurement of the temperature measuring element; on the other hand, in the assembly process, the rib can play a role in coarse positioning of installation of the temperature measuring element, so that the assembly difficulty is reduced, and the assembly efficiency is improved.

4. As a preferred embodiment of the utility model, the pot cover further comprises a sealing element, the sealing element is provided with a first sealing part, the heat insulation ring is provided with positioning ribs, and the first sealing part comprises a positioning part abutting against the positioning ribs and a sealing lip connected with the positioning part and abutting against the steam valve to seal the abutting joint of the steam discharge channel and the steam channel. Because steam humidity is higher, if steam overflows to the pot cover inside from the butt joint department of thermal-insulated ring and steam valve can lead to the inside humidity of pot cover higher, influences the reliability and the stability of the inboard electronic components operation of pot cover, and the sealing member can avoid steam to overflow to the pot cover inside from the butt joint department of thermal-insulated ring and steam valve, has promoted the life of pot cover component, through the butt cooperation of location muscle and location portion, seal lip and steam valve lateral wall's butt cooperation, can stably realize sealing function for the sealing member and provide the guarantee.

Further, one of the positioning rib and the positioning part is provided with a limiting protrusion, and the other one of the positioning rib and the positioning part is provided with a limiting groove, and the limiting protrusion and the limiting groove are matched with a stop for limiting the circumferential movement of the sealing element around the heat insulation ring. The limit protrusion and the limit groove are matched to limit the circumferential movement of the sealing element, so that the sealing element is ensured to stably play a sealing role, and the dissipation of high-temperature steam is avoided.

5. As a preferred embodiment of the utility model, the pot cover further comprises a sealing element, the sealing element comprises a main body part extending into the steam channel, the heat insulation ring is provided with a positioning hole for the temperature measuring element to extend into the steam channel, the main body part is provided with a through hole for the temperature measuring element to extend into, and the temperature measuring element is in interference fit with the inner wall of the main body part forming the through hole or the inner wall of the heat insulation ring forming the positioning hole. On one hand, the main body part can play a role in coarsely positioning the installation of the sealing element, so that the work flow of alignment searching during assembly is omitted, and the assembly difficulty is reduced; on the other hand, the main body part provides sealing function for temperature measuring element and locating hole department, further avoids the escape of hot steam, provides the guarantee for the normal work of peripheral component. In addition, the interference fit between the temperature measuring element and the inner wall of the main body part forming the through hole or the inner wall of the heat insulation ring forming the positioning hole provides a guarantee for the stable positioning of the temperature measuring element, ensures the working stability of the temperature measuring element, improves the sealing performance of the temperature measuring element and the positioning hole, and avoids the overflow of steam from the steam channel through the through hole or the positioning hole.

6. As a preferred embodiment of the present utility model, the lid further comprises a sealing member including a second sealing portion between the steam discharge hole and the steam passage to seal a junction of the steam discharge hole and the steam passage. The second sealing part provides sealing function for the butt joint of the steam exhaust hole and the steam channel, and prevents steam from escaping from the butt joint of the steam exhaust hole and the steam channel, so as to avoid adverse effect on peripheral components.

7. As a preferred embodiment of the utility model, the heat insulation ring is also provided with a mounting position for mounting the heating device, the heat insulation ring further integrates the function of providing the mounting position for the heating device, and the space for mounting the heating device independently arranged in the pot cover is avoided, thereby being beneficial to miniaturization and flattening of the pot cover. Moreover, heating device installs in the insulating ring, has both reduced the heat transfer to the enclosing cover in the heating device operation in-process, has reduced the temperature rise of enclosing cover to slowed down the ageing speed of enclosing cover, prolonged the life of enclosing cover, moreover, heating device installs in the insulating ring, assembles to the enclosing cover again after both equipment, has promoted the degree of groupware, thereby has promoted assembly efficiency.

8. The utility model also provides a cooking utensil, which comprises a pot body with a cooking cavity and a pot cover for opening or closing the cooking cavity, wherein the pot cover is provided with the heating function, and the steam channel is communicated with the cooking cavity. The cooking utensil has the advantages of good effect of removing the condensed water in the inner cover, accurate temperature measurement and more delicious cooked food.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is a sectional view of a cooking appliance according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a pan cover according to one embodiment of the utility model;

fig. 3 is an enlarged view of a portion a of fig. 2;

FIG. 4 is an exploded view showing the structure of a lid portion according to an embodiment of the present utility model;

fig. 5 is an enlarged view of a portion a of fig. 4;

fig. 6 is a schematic structural view of a seal according to an embodiment of the present utility model.

Wherein:

1, an outer cover;

2 steam valve, 201 steam exhaust channel, 202 steam inlet;

3 inner cover, 301 exhaust hole;

4 a heating device;

5 heat insulation ring, 501 steam channel, 502 positioning rib and 503 positioning hole;

6, a temperature measuring element and a 601 temperature measuring end;

7 face covers and 701 retaining ribs;

8 sealing elements, 801 first sealing parts, 8011 positioning parts, 8012 sealing lips, 802 main body parts, 8021 through holes and 803 second sealing parts;

9, limiting the bulge;

10 limit grooves;

11 mounting positions;

12 cooking chamber;

13, a pot body;

14 lining cover;

15 stops.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below. It should be noted that, without conflict, embodiments of the present utility model and features in each embodiment may be combined with each other.

In addition, in the description of the present utility model, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1-6, a pot cover for improving temperature measurement precision comprises an outer cover 1, a steam valve 2, an inner cover 3 arranged on the outer cover 1, and a heating device 4 for heating the inner cover 3, wherein the inner cover 3 is provided with a steam discharge hole 301, the steam valve 2 is provided with a steam discharge channel 201, the outer cover 1 is provided with a heat insulation ring 5, the heat insulation ring 5 is provided with a steam channel 501 for communicating the steam discharge hole 301 with the steam discharge channel 201, the pot cover further comprises a temperature measuring element 6 arranged on the heat insulation ring 5, and a temperature measuring end 601 of the temperature measuring element 6 stretches into the steam channel 501.

The utility model is provided with the heating device 4, the heating device 4 is used for heating the inner cover 3 so as to improve the condensed water removing effect of the inner cover 3, on the basis, the outer cover 1 is additionally provided with the heat insulation ring 5, the heat insulation ring 5 is provided with the steam channel 501 which is communicated with the steam discharging hole 301 of the inner cover 3 and the steam discharging channel 201 of the steam valve 2, on one hand, the steam in the cooking cavity 12 is provided with a discharging channel which is communicated with the outside, and on the other hand, the heat insulation ring 5 is positioned between the steam channel 501 and the outer cover 1, so that the influence of the steam on the temperature of the outer cover 1 in the steam discharging process can be reduced, the heat transfer of the steam on the outer cover 1 is reduced, the guarantee is provided for the normal operation of all parts in the outer cover 1, the ageing speed of the outer cover 1 is reduced, and the service life of the outer cover 1 is prolonged. The pot cover is still including locating the temperature measuring element 6 of thermal-insulated ring 5, and the temperature measuring end 601 of temperature measuring element 6 stretches into in the steam channel 501, owing to locate thermal-insulated ring 5 with temperature measuring element 6 and be used for detecting the temperature in the steam channel 501, compare in current temperature measuring mode, can reduce heating device 4 as far as possible and cause the temperature rise of inner cup 3 to the influence of temperature measurement precision, can promote the accuracy of temperature measurement by a wide margin, guarantees the culinary art effect.

The present utility model is not limited to the arrangement form of the temperature measuring element 6, and any one of the following embodiments may be adopted:

embodiment one: the temperature measuring element 6 is arranged extending vertically within the steam channel 501.

Embodiment two: as shown in fig. 1-4, the temperature measuring end 601 of the temperature measuring element 6 extends into the steam channel 501 in a lateral direction. The transversely extending temperature measuring element 6 can temporarily accumulate steam at the temperature measuring element 6 on one hand so as to further improve the accuracy of detecting the temperature of the steam by the temperature measuring element 6, and on the other hand, the transversely extending temperature measuring element 6 can form a barrier to the steam so as to form a micro-pressure environment in the cooking cavity 12 of the pot body, thereby being beneficial to improving the heating efficiency and the cooking effect. In addition, the pot cover of the present utility model has a top heating function compared with a common pot cover, and the heating device 4 is integrated, so that the pot cover of the present utility model has a tendency to be thicker in overall thickness compared with the common pot cover, while in the first embodiment, the temperature measuring element 6 is vertically placed, so that in order to avoid the interference of the temperature of the inner cover 3 to the steam temperature, the vertical temperature measuring element 6 needs to keep the height distance between the temperature measuring end 601 and the inner cover 3, and the pot cover thickness may be further increased. According to the embodiment, the temperature measuring element 6 is transversely placed, and the position of the temperature measuring element 6 can be reasonably arranged, so that the distance between the temperature measuring element and the inner cover 3 can be ensured, the interference of temperature rise of the inner cover 3 on the temperature measuring result is avoided, and the whole thickness of the pot cover can be thinned.

As a preferred example of the second embodiment, as shown in fig. 2 to 4, the steam valve 2 has a steam inlet 202 communicating with the steam exhaust channel 201, the steam inlet 202 extends into the steam channel 501, and the steam valve 2 is provided with a relief notch for relieving the temperature measuring element 6 at the steam inlet 202. The steam inlet 201 is provided with the avoidance notch, so that on one hand, in the installation process of the temperature measuring element 6, the installation and positioning of the temperature measuring element 6 can be guided, on the other hand, the limit along the axial direction of the steam channel 501 can be realized for the temperature measuring element 6, and the temperature measuring element 6 is prevented from shifting along the axial direction of the steam channel 501 under the action of steam pressure, thereby ensuring the stable installation position of the temperature measuring element 6 and providing a guarantee for the accuracy of temperature measurement.

Of course, the arrangement of the steam valve 2 in the second embodiment is not limited to the form in which the steam inlet 202 extends into the steam channel 501, and the following arrangement may be adopted: one end of the steam valve 2 provided with the steam inlet 202 is sleeved outside one end of the heat insulation ring 5 provided with the steam channel 501, and the steam valve 2 is provided with an avoidance gap for avoiding the temperature measuring element 6 at the steam inlet 202.

The present utility model is not limited to the limiting mode of the temperature measuring element 6, and any one of the following embodiments may be adopted:

embodiment one: the pot cover is internally provided with a limiting part, the temperature measuring element 6 is provided with a matching part, and the matching part and the limiting part limit the displacement of the temperature measuring element 6 in a plugging matching mode, a riveting matching mode, a bolt matching mode and the like.

Embodiment two: as shown in fig. 1 and 3, the pot cover further comprises a surface cover 7 connected with the outer cover 1, wherein the surface cover 7 is provided with a downward extending blocking rib 701, and the blocking rib 701 abuts against one end of the temperature measuring element 6 to limit the movement of the temperature measuring element 6. The stop rib 701 can limit the displacement of the temperature measuring element 6 on one hand, so that the temperature measuring end 601 of the temperature measuring element 6 can be kept stable in the steam channel 501, and a guarantee is provided for stable temperature measurement of the temperature measuring element 6; on the other hand, in the assembly process, the blocking rib 701 can play a role in mounting and coarsely positioning the temperature measuring element 6, so that the assembly difficulty is reduced, and the assembly efficiency is improved.

The present utility model is not limited to a sealing manner for limiting steam leakage, and may be any of the following embodiments:

embodiment one: as shown in fig. 2-6, the pot cover further comprises a sealing element 8, the sealing element 8 is provided with a first sealing part 801, the heat insulation ring 5 is provided with a positioning rib 502, the first sealing part 801 comprises a positioning part 8011 abutted with the positioning rib 502, and a sealing lip 8012 connected with the positioning part 8011 and abutted with the steam valve 2 so as to seal the butt joint part of the steam discharge channel 201 and the steam channel 501. Because steam humidity is higher, if steam overflows to the pot cover inside from the butt joint department of thermal-insulated ring 5 and steam valve 2 can lead to the inside humidity of pot cover higher, influence the reliability and the stability of the inboard electronic components operation of pot cover, sealing member 8 can avoid steam to overflow to the pot cover inside from the butt joint department of thermal-insulated ring 5 and steam valve 2, the life of pot cover component has been promoted, through the butt cooperation of location muscle 502 and location portion 8011, sealing lip 8012 and the butt cooperation of steam valve 2 lateral wall, provide the guarantee for sealing member 8 can stably realize sealing function.

The design position of the positioning portion 8011 is not limited in this embodiment, and any of the following examples may be adopted:

embodiment one: the outer cover 1 comprises a lining cover 14 and a face cover 7, the face cover 7 is arranged above the lining cover 14, the heat insulation ring 5 is arranged on the lining cover 14, and the positioning part 8011 is clamped and positioned between the face cover 7 and the heat insulation ring 5.

Embodiment two: the positioning part 8011 is sleeved on the positioning rib 502.

Embodiment III: the outer cover 1 comprises a lining cover 14 and a surface cover 7, the surface cover 7 is arranged above the lining cover 14, the heat insulation ring 5 is arranged on the lining cover 14, the positioning part 8011 is clamped and positioned between the surface cover 7 and the heat insulation ring 5, and the positioning part 8011 is sleeved on the positioning rib 502.

The limiting mode of the sealing member 8 is not limited in this embodiment, and any of the following examples may be adopted:

embodiment four: the positioning ribs 502 and the positioning portions 8011 are both provided with bolt holes, and after the heat insulation ring 5 and the sealing element 8 are aligned, the positioning ribs 502 and the positioning portions 8011 are connected together in a screw connection mode to limit the displacement of the sealing element 8 relative to the heat insulation ring 5.

Fifth embodiment: as shown in fig. 4 to 6, one of the positioning rib 502 and the positioning portion 8011 is provided with a limiting protrusion 9, and the other one of the positioning rib and the positioning portion 8011 is provided with a limiting groove 10, and the limiting protrusion 9 and the limiting groove 10 are in stop fit to limit the circumferential movement of the sealing member 8 around the heat insulation ring 5. The limit protrusion 9 and the limit groove 10 cooperate to limit the circumferential movement of the sealing element 8, ensure that the sealing element 8 can stably play a sealing role, and avoid the dissipation of high-temperature steam.

Embodiment two: as shown in fig. 3-6, the pot cover further comprises a sealing element 8, the sealing element 8 comprises a main body part 802 extending into the steam channel 501, the heat insulation ring 5 is provided with a positioning hole 503 for the temperature measuring element 6 to extend into the steam channel 501, the main body part 802 is provided with a through hole 8021 for the temperature measuring element 6 to extend into, and the temperature measuring element 6 is in interference fit with the inner wall of the main body part 802 forming the through hole 8021 or the inner wall of the heat insulation ring 5 forming the positioning hole 503. The main body 802 can perform coarse positioning function on the installation of the sealing element 8, so that the work flow of alignment searching during assembly is omitted, and the assembly difficulty is reduced; on the other hand, the main body 802 provides a sealing function for the temperature measuring element 6 and the positioning hole 503, further prevents the dissipation of the hot steam, and provides a guarantee for the normal operation of the peripheral components. In addition, the interference fit between the temperature measuring element 6 and the inner wall of the main body 802 forming the through hole 8021 or the inner wall of the heat insulation ring 5 forming the positioning hole 503 not only provides a guarantee for the stable positioning of the temperature measuring element 6 and ensures the working stability of the temperature measuring element 6, but also improves the sealing performance of the temperature measuring element 6 and the positioning hole 503, and avoids the steam overflowing from the steam channel 501 through the through hole 8021 or the positioning hole 503.

As a preferred example of the present embodiment, the portion of the main body 802 provided with the through hole 8021 protrudes toward the inside of the steam channel 501 to have an extension section, which can enlarge the contact area of the sealing surface and improve the sealing performance of the sealing member 8.

Embodiment III: as shown in fig. 2, 3, 5 and 6, the lid further comprises a sealing member 8, and the sealing member 8 comprises a second sealing portion 803 positioned between the steam discharge hole 301 and the steam channel 501 to seal the junction of the steam discharge hole 301 and the steam channel 501. The second sealing part 803 provides a sealing function for the junction of the steam discharging hole 301 and the steam channel 501, and prevents steam from escaping from the junction of the steam discharging hole 301 and the steam channel 501, so as to avoid adverse effects on peripheral components.

The sealing members 8 in the above-described first to third embodiments are each molded and each perform a sealing function at a corresponding position. Alternatively, any two of the sealing members 8 in the first to third embodiments are integrally molded, and the other is separately molded to achieve sealing action at the respective corresponding positions.

Embodiment four: the pot cover also comprises a sealing element 8, wherein the sealing element 8 is provided with a first sealing part 801, and the first sealing part 801 comprises a positioning part 8011 which is abutted against the positioning rib 502, and a sealing lip 8012 which is connected with the positioning part 8011 and is abutted against the steam valve 2 so as to seal the butt joint part of the steam discharge channel 201 and the steam channel 501; the seal 8 comprises a body portion 802 extending into the steam channel 501, the body portion 802 being provided with a through hole 8021 into which the temperature measuring element 6 extends; the sealing member 8 includes a second sealing portion 803 between the steam discharge hole 301 and the steam channel 501 to seal the junction of the steam discharge hole 301 and the steam channel 501. In the present embodiment, the main body portion 802 connects the first seal portion 801 and the second seal portion 802, and the first seal portion 801, the second seal portion 802, and the main body portion 802 are integrally molded, and each performs a sealing function at a position corresponding to each.

The specific structure of the heat insulating ring 5 is not limited in the present utility model, and any of the following embodiments may be adopted:

embodiment one: the heat insulation ring 5 is integrated with a steam channel 501, the pot cover is also provided with a heat insulation piece, the heat insulation piece is positioned between the heating device 4 and the outer cover, and the heat insulation ring 5 and the heat insulation piece are formed in a split mode.

Embodiment two: as shown in fig. 4, the heat insulation ring 5 is not only integrated with the steam channel 501, but also provided with the installation position 11 for installing the heating device 4, and the heat insulation ring 5 is further integrated with the function of providing the installation position 11 for the heating device 4, so that the space for installing the heating device 4 independently is avoided in the pot cover, and the miniaturization and the flattening of the pot cover are facilitated. Moreover, heating device 4 installs in insulating ring 5, has both reduced the heat transfer to outer lid 1 in the heating device 4 operation in-process, has reduced the temperature rise of enclosing lid 1 to slowed down the ageing speed of enclosing lid 1, prolonged the life of enclosing lid 1, moreover, heating device 4 installs in insulating ring 5, assembles to enclosing lid 1 again after both equipment, has promoted the degree of groupware, thereby has promoted assembly efficiency.

The present embodiment is not limited to the mounting manner of the heating device 4, and any of the following examples may be employed:

embodiment one: the heating device 4 is fixedly mounted on the heat insulating ring 5.

Embodiment two: referring to fig. 4, the lid further includes a stopper 15 provided at the top of the heat insulation ring 5, and an elastic member provided between the stopper 15 and the heating device 4, and the heating device 4 is floatingly installed at the heat insulation ring 5 and can move downward to abut against the inner lid 3 under the elastic force of the elastic member.

The heating device 4 includes a heat conducting housing and a heating element arranged in the heat conducting housing, the form of the heating element is not limited, and preferably, the heating element is a PTC heating element, and compared with other heating modes, the PTC heating element has high heating temperature and high heat exchange efficiency, and can promote the removal effect of condensed water of the inner cover 3.

As shown in fig. 1 to 6, the present utility model also provides a cooking appliance including a pot body 13 having a cooking cavity 12, and a pot cover for opening or closing the cooking cavity 12, the pot cover being a pot cover for improving temperature measurement accuracy as described above, and a steam passage 501 communicating with the cooking cavity 12. The cooking utensil has the advantages of good effect of removing the condensed water of the inner cover 3, good heat supply effect, accurate temperature measurement and more delicious cooked food.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (10)

1. The utility model provides an improve pot cover of temperature measurement accuracy, includes enclosing cover, steam valve, install in the inner cup of enclosing cover and be used for the heating device of inner cup, the inner cup is equipped with the exhaust hole, the steam valve is equipped with the exhaust channel, its characterized in that, the enclosing cover is equipped with thermal-insulated ring, thermal-insulated ring is equipped with the intercommunication the exhaust hole with the steam channel of exhaust channel, the pot cover is still including locating thermal-insulated ring's temperature measuring element, temperature measuring element's temperature measurement end stretches into in the steam channel.

2. The pot cover for improving temperature measurement precision according to claim 1, wherein,

the temperature measuring end of the temperature measuring element transversely stretches into the steam channel.

3. The pot cover for improving temperature measurement precision according to claim 2, wherein,

the steam valve is provided with a steam inlet communicated with the steam discharge channel, the steam inlet stretches into the steam channel, and the steam valve is provided with an avoidance gap for avoiding the temperature measuring element at the steam inlet.

4. The pot cover for improving temperature measurement precision according to claim 1, wherein,

the cooker cover also comprises a cover connected with the outer cover, wherein the cover is provided with a downward extending blocking rib, and the blocking rib abuts against one end of the temperature measuring element so as to limit the movement of the temperature measuring element.

5. The pot cover for improving temperature measurement precision according to claim 1, wherein,

the pot cover also comprises a sealing piece, the sealing piece is provided with a first sealing part, the heat insulation ring is provided with a positioning rib, and the first sealing part comprises a positioning part which is abutted with the positioning rib, and a sealing lip which is connected with the positioning part and is abutted with the steam valve so as to seal the butt joint part of the steam discharge channel and the steam channel.

6. The pot cover for improving temperature measurement precision according to claim 5, wherein,

one of the positioning ribs and the positioning part is provided with a limiting protrusion, the other one of the positioning ribs and the positioning part is provided with a limiting groove, and the limiting protrusion and the limiting groove are matched with each other to limit the sealing element to move around the circumference of the heat insulation ring.

7. The pot cover for improving temperature measurement precision according to claim 1, wherein,

the pot cover also comprises a sealing element, the sealing element comprises a main body part extending into the steam channel, the heat insulation ring is provided with a positioning hole for the temperature measuring element to extend into the steam channel, the main body part is provided with a through hole for the temperature measuring element to extend into, and the temperature measuring element is in interference fit with the inner wall of the main body part forming the through hole or the inner wall of the heat insulation ring forming the positioning hole.

8. The pot cover for improving temperature measurement precision according to claim 1, wherein,

the pot cover further comprises a sealing piece, wherein the sealing piece comprises a second sealing part which is positioned between the steam exhaust hole and the steam channel and used for sealing the butt joint part of the steam exhaust hole and the steam channel.

9. The pot cover for improving temperature measurement precision according to claim 1, wherein,

the heat insulation ring is also provided with a mounting position for mounting the heating device.

10. A cooking utensil comprising a pot body with a cooking cavity and a pot cover for opening or closing the cooking cavity, wherein the pot cover is the pot cover for improving the temperature measurement precision according to any one of claims 1 to 9, and the steam channel is communicated with the cooking cavity.