CN219756755U - Fresh-keeping box and refrigerator - Google Patents

Abstract

The utility model discloses a fresh-keeping box and a refrigerator, wherein the fresh-keeping box comprises a box body, a cover body and a sealing strip, wherein the box body and the cover body are both made of stainless steel materials, a first plane is arranged on the circumferential edge of the top of the box body, a first curled edge is arranged on the bottom side of the first plane, the first curled edge curls towards the direction close to the first plane, a second plane is arranged on the circumferential edge of the cover body, a second curled edge is arranged on the top side of the second plane, the second curled edge curls towards the direction close to the second plane, the sealing strip is arranged on the bottom side of the cover body, a first horizontal part and a vertical part are arranged on the sealing strip, the bottom side plane of the first horizontal part is in contact seal with the first plane, a wing edge is arranged on the vertical part, the wing edge is in contact seal with the inner wall of the box body, a notch is arranged at the bottom of the vertical part, and the notch extends along the height direction of the vertical part. The stainless steel can avoid the adverse effect of plastic materials on food safety, improves the sealing structure and improves the sealing effect of the preservation box.

Description

Fresh-keeping box and refrigerator

Technical Field

The utility model relates to the technical field of refrigeration equipment, in particular to a fresh-keeping box and a refrigerator.

Background

The food materials can be preserved and stored in the refrigerator by adopting the vacuum preservation box, and the vacuum preservation box is vacuumized by vacuumizing equipment (such as a vacuumizing joint) so that the pressure in the box meets the pressure requirement required by the preservation and storage of the food materials. The existing vacuum box comprises a box body and a cover body, a sealing strip is arranged between the box body and the cover body, and sealing performance of the preservation box is improved through the sealing strip.

Most of the vacuum boxes are made of plastic materials, and the plastic vacuum boxes have the advantage of convenient manufacture, but have the problems of plastic molecular permeation and plasticizer decomposition so as to generate hidden danger to food safety.

The sealing performance of the sealing strip directly influences the sealing effect of the preservation box, and as the sealing strip is arranged between the cover body and the box body, the sealing structure of the sealing strip is closely related to factors such as the structure, the material and the like of the box body and the cover body.

The above information disclosed in this background section is only for enhancement of understanding of the background section of the utility model and therefore it may not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

Aiming at the problems pointed out in the background art, the utility model provides a fresh-keeping box and a refrigerator, wherein the box body and the cover body of the fresh-keeping box are made of stainless steel materials, so that adverse effects of plastic materials on food safety are avoided, the sealing strip is subjected to structural improvement, and the sealing effect of the fresh-keeping box is improved.

In order to achieve the aim of the utility model, the utility model is realized by adopting the following technical scheme:

in some embodiments of the present utility model, there is provided a fresh keeping box comprising:

the box body is made of stainless steel, an accommodating cavity with an open top is formed in the box body, a first plane is arranged on the top circumferential edge of the box body, the first plane horizontally extends towards the outer circumferential side of the box body, a first curled edge is arranged at the bottom side of the first plane, and the first curled edge curls towards the direction close to the first plane;

the cover body is made of stainless steel and is used for closing or opening the containing cavity, a second plane which extends horizontally is arranged on the circumferential edge of the cover body, a second curled edge is arranged on the top side of the second plane, and the second curled edge curls towards the direction close to the second plane;

the sealing strip is arranged at the bottom side of the cover body, a first horizontal part and a vertical part are arranged on the sealing strip, the bottom plane of the first horizontal part is used for being in contact sealing with the first plane, the top plane of the first horizontal part is in contact sealing with the second plane, the vertical part is provided with a fin on one side of the box body, the fin is used for being in contact sealing with the inner wall of the box body, a notch is arranged at the bottom of the vertical part, and the notch extends along the height direction of the vertical part.

In some embodiments of the present utility model, the cover body is provided with a mounting groove, and the mounting groove is located at the inner side of the second curled edge;

the top of sealing strip is equipped with the arch, the arch is located the inboard of first horizontal part, the arch is located in the mounting groove.

In some embodiments of the present utility model, the protrusion is opposite to the vertical portion.

In some embodiments of the present utility model, a third plane is disposed on the cover, and the third plane is disposed adjacent to the inner side of the mounting groove;

the sealing strip is also provided with a second horizontal part, and the second horizontal part is propped against the third plane.

In some embodiments of the present utility model, the second plane and the third plane are at the same plane height, and the first horizontal portion and the second horizontal portion are at the same horizontal height.

In some embodiments of the present utility model, two fin edges are arranged at intervals along the height direction of the vertical portion, and the fin edges extend obliquely upwards from the vertical portion.

In some embodiments of the utility model, the top position of the cutout is lower than the fin root position of the fin above.

In some embodiments of the present utility model, the cover body is provided with an air extraction opening, and a flange extending upwards is arranged on the circumferential edge surrounding the air extraction opening;

the vacuum valve comprises a cylinder part, a first flanging part is arranged at the bottom of the cylinder part, a second flanging part is arranged at the top of the cylinder part along the circumferential direction of the cylinder part, the cylinder part is arranged in the extraction opening in a penetrating manner and forms an air flow gap with the inner wall of the extraction opening, the first flanging part is positioned at the bottom side of the extraction opening, the second flanging part is positioned at the top side of the extraction opening, a first groove is arranged at the bottom side of the second flanging part, and the flanging clamp is arranged in the first groove to limit the horizontal displacement of the vacuum valve.

In some embodiments of the present utility model, a second annular groove is disposed at the bottom side of the second flanging portion, and the second groove is disposed around the outer side of the first groove.

The utility model also provides a refrigerator, which comprises a refrigerator body and a door body, wherein a refrigerating space is formed in the refrigerator body, the door body is used for closing or opening the refrigerating space, the refrigerator further comprises a vacuumizing connector, the inner side of the liner of the door body is provided with the preservation box, and the vacuumizing connector is used for vacuumizing the preservation box.

Other features and advantages of the present utility model will become apparent upon review of the detailed description of the utility model in conjunction with the drawings.

Drawings

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

Fig. 1 is a schematic structural view of a refrigerator according to an embodiment;

fig. 2 is a schematic structural view of a fresh box according to an embodiment;

FIG. 3 is an exploded view of a crisper according to an embodiment;

FIG. 4 is a cross-sectional view of a fresh box according to an embodiment;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is a cross-sectional view of a weatherstrip according to an embodiment;

FIG. 7 is a schematic structural view of a weather strip according to an embodiment;

FIG. 8 is a schematic view of the structure of FIG. 7, as viewed from the direction Q;

FIG. 9 is an enlarged view of portion B of FIG. 4;

FIG. 10 is a schematic structural view of a vacuum valve according to an embodiment;

FIG. 11 is a cross-sectional view of a vacuum valve according to an embodiment;

reference numerals:

100-of a refrigerator, 110-of a box body, 120-of a door body, 130-of a shelf and 140-of a vacuumizing joint;

200-fresh-keeping box;

210-box, 211-first plane, 212-side wall of box, 213-first curl;

220-a cover body, 221-a vacuumizing interface part, 222-a second plane, 223-a second curled edge, 224-a third plane, 225-a mounting groove, 226-an air extracting opening and 227-a flanging;

230-sealing strips, 231-first horizontal parts, 2311-protruding parts, 232-vertical parts, 233-second horizontal parts, 234-protrusions, 235-cuts, 236-fins, 237-groove parts;

240-storage cavity;

300-vacuum valve, 310-cylinder part, 320-first flanging part, 330-second flanging part, 340-first groove, 350-second groove.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify 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.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Fig. 1 is a perspective view of one embodiment of the refrigerator of the present utility model, and a refrigerator 100 of the present embodiment has an approximately rectangular parallelepiped shape. The refrigerator 100 includes a cabinet 110 and a door 120 hinged to the cabinet 110, and a plurality of refrigerating and/or freezing compartments are defined by the cabinet 110 and the door 120.

The refrigerator 100 in the present utility model is a refrigerator having a vacuum fresh-keeping function, which is realized by the fresh-keeping box 200.

The storage cavity 240 is formed in the preservation box 200, the preservation box 200 is detachably connected with the door body 120 (specifically, the door liner), the preservation box 200 is convenient to be taken down from the door body 120, and the use convenience of the preservation box 200 is improved.

Referring to fig. 2 to 4, the fresh-keeping box 200 includes a box body 210 and a cover body 220, wherein a vacuum-pumping interface 221 is provided on the cover body 220, and the vacuum-pumping interface 221 is used for matching with a vacuum-pumping assembly so that the vacuum-pumping assembly is communicated with a storage cavity 240 and vacuumizes the storage cavity 240.

The vacuum pumping assembly can enable the inside of the preservation box 200 to reach a vacuum state, wherein the vacuum state is not an absolute vacuum state, but is a low-pressure state, so that the preservation of the stored articles in the preservation box 200 is improved.

The vacuum pumping assembly comprises a vacuum pump, a vacuum pumping pipeline and a vacuum pumping joint 140, wherein the vacuum pumping pipeline is used for communicating the vacuum pump with the vacuum pumping joint 140, the vacuum pumping joint 140 is detachably connected with the vacuum pumping joint part 221, and the vacuum pump provides vacuum pumping power for the whole vacuum pumping assembly.

The vacuum connector 140 is disposed on the door 120, specifically on the inner container of the door, and the vacuum connector 140 can be communicated with the storage cavity 240.

When the storage cavity 240 needs to be vacuumized, the vacuumizing connector 140 is communicated with the storage cavity 240, namely the vacuumizing connector 140 is connected with the vacuumizing interface 221, at the moment, the vacuum pump is started, and gas in the storage cavity 240 can be discharged from the vacuumizing connector 140 and the vacuumizing pipeline to the vacuum pump, so that low pressure in the storage cavity 240 is realized.

When the vacuum fresh-keeping box 200 needs to be removed from the door 120, the vacuum connector 140 is turned over to be separated from the vacuum fresh-keeping box 200, that is, the vacuum connector 140 is separated from the vacuum connector 221.

According to the utility model, the vacuumizing connector 140 is arranged on the door liner in a turnover manner, and the vacuumizing connector 140 is turned upwards or downwards according to the need of vacuumizing the vacuum preservation box 200, so that the operation is convenient and easy to use.

In some embodiments of the present utility model, referring to fig. 1, a shelf 130 is provided on the door liner, and the vacuum fresh-keeping box 200 is directly placed in the shelf 130, so as to realize detachable connection between the fresh-keeping box 200 and the door liner. When the fresh box 200 needs to be taken out of the refrigerator 100, the fresh box 200 is directly taken out from the shelf 130.

The fresh box 200 includes a box body 210, a cover 220, and a sealing strip 230. The box 210 forms a containing cavity with an open top, and the cover 220 is detachably disposed on the top of the box 210. The box 210 and the cover 220 are buckled to form a storage cavity 240.

The sealing strip 230 is arranged on one side of the cover 220 facing the box 210, after the cover 220 is buckled with the box 210, the sealing strip 230 is abutted with the opening end of the box 210, and after the cover 220 is buckled with the box 210 up and down, the sealing strip 230 is compressed under force, so that a seal is formed at the joint of the cover 220 and the box 210, and further the seal of the fresh-keeping box is realized.

The case 210 and the cover 220 are made of stainless steel, specifically 304 stainless steel, with a wall thickness of 0.5-0.8mm, and the stainless steel is suitable for storing high-salt, high-acid and high-oil food materials.

The stainless steel material is adopted, so that the problem that hidden danger is generated to food safety due to molecular permeation of plastic materials and decomposition of plasticizers in the prior art can be avoided.

In the prior art, the box body and the box cover are generally made of plastic materials, and the thickness of the stainless steel plate is far smaller than that of the plastic materials due to the adoption of the stainless steel materials, so that the sealing installation structure between the sealing strip 230 and the box body 210 and between the sealing strip 230 and the cover body 220 is required to be improved, and the sealing performance effect of the fresh-keeping box is ensured.

Referring to fig. 5, an open-top storage cavity is formed in the case 210, a first plane 211 is provided on a top circumferential edge of the case 210, the first plane 211 extends horizontally toward an outer circumferential side of the case 210, a first curled edge 213 is provided at a bottom side of the first plane 211, and the first curled edge 213 curls in a direction approaching the first plane 211.

The side wall 212, the first plane 211 and the first curled edge 213 of the case are made of the same stainless steel plate, the first plane 211 extends horizontally from the upper edge of the side wall 211 of the case 210 to the outer periphery of the case 210, the first curled edge 213 is curled downward by a certain angle from the outer end side of the first plane 211 and then curled upward in a direction approaching the first plane 211, and the first curled edge 213 encloses a cavity.

The first curled edge 213 helps to improve the structural strength of the top of the case 210, and when the case 210 is taken, a human hand can hold the first curled edge 213, which acts as a handle, and facilitates the taking operation.

As can be seen from fig. 5, the outer end side of the first curled edge 213 is in an arc structure, the end side of the first curled edge 213 is located at the inner side, and the hand is not easy to contact with the end side of the first curled edge 213, so that the skin can be effectively prevented from being scratched by the side of the stainless steel plate.

With continued reference to fig. 5, the lid 220 is configured to close or open the storage cavity of the case, a second plane 222 extending horizontally is provided on a circumferential edge of the lid 220, and a second curled edge 223 is provided on a top side of the second plane 222, and the second curled edge 223 is curled in a direction approaching the second plane 222.

The body portion of the cover 220, the second plane 222, and the second bead 223 are made of the same stainless steel plate material, the second plane 222 horizontally extends from the cover 220 by a distance, the second bead 223 is curled upward by a certain angle from the outer end side of the second plane 222 and then curled downward in a direction approaching the second plane 222, and the second bead 223 encloses a cavity.

The second bead 223 helps to increase the structural strength of the top of the cover 220. The outer end side of second turn-up 223 department is arc structure, and the terminal side of second turn-up 223 is located the inboard, and the difficult terminal side of second turn-up 223 of contact of staff can prevent effectively that the side of stainless steel panel from causing the scratch to skin.

Referring to fig. 5 to 8, the sealing strip 230 is fixedly disposed at the bottom side of the cover 220, the sealing strip 230 is provided with a first horizontal portion 231 and a vertical portion 232, the first horizontal portion 231 and the vertical portion 232 are integrally formed, and the vertical portion 232 is disposed below the first horizontal portion 231. After the sealing strip 230 is fixedly mounted to the cover 220, the top plane of the first horizontal portion 231 is sealed in contact with the second plane 222 of the cover 220. The sealing contact between the first horizontal portion 231 and the second plane 222 increases the sealing contact area between the sealing strip 230 and the cover 220, which is helpful to improve the sealing performance between the sealing strip 230 and the cover 220; on the other hand, the arrangement of the second plane 222 and the second curled edge 223 improves the installation reliability between the sealing strip 230 and the cover 220, and the existence of the second curled edge 223 can avoid the influence of edge curling of the second plane 222 on the sealing reliability between the sealing strip 230 and the cover 220.

When the cover 220 is fastened to the box 210 downwards, the bottom plane of the first horizontal portion 231 contacts and seals with the first plane 211, the vertical portion 232 is located inside the box 210, the vertical portion 232 is provided with a fin 236 on a side facing the side wall of the box 210, the fin 236 extends obliquely upwards from the vertical portion 232, and the fin 236 contacts and seals with the inner wall of the box 210.

The contact seal between the bottom plane of the first horizontal portion 231 and the first plane 211 increases the sealing contact area between the sealing strip 230 and the box 210, which helps to improve the sealing performance between the sealing strip 230 and the top surface of the box 210; on the other hand, the presence of the first bead 213 can avoid the edge of the first plane 211 from being warped to affect the sealing reliability between the sealing strip 230 and the top surface of the case 210.

Since the stainless steel plate of the box 210 is not thick, if the sealing strip 230 directly contacts with the top of the vertical wall of the box 210, the contact area for sealing is obviously too small to ensure the sealing effect, so the first plane 211 extending horizontally outwards increases the contact area between the top of the box 210 and the first horizontal part 231, which is helpful for improving the sealing effect.

The bottom plane of the first horizontal portion 231 is provided with a protruding portion 2311, and under the influence of factors such as processing and assembly, some gaps may exist after the first horizontal portion contacts with the first plane of the box body, and the sealing effect of the sealing strip 230 may be affected by the gaps. The protruding portion 2311 can offset and compensate the gaps, so that the first plane 211 of the box body and the first horizontal portion 231 of the sealing strip 230 can be in tight and seamless contact, and the sealing effect of the vacuum fresh-keeping box 200 is improved.

One of the functions of the fin 236 is that when the cover 220 is buckled with the case 210 and the evacuation is just started, the pressure difference between the storage cavity 240 and the external atmosphere is not very large, the external atmosphere may infiltrate into the storage cavity 240 through the gap between the first horizontal portion 231 and the first plane 211, and the contact position between the fin 236 and the inner side wall of the case 210 corresponds to a seal formed by the contact position between the fin 236 and the inner side wall of the case 210, so as to prevent the external atmosphere from infiltrating, thereby helping to improve the evacuation efficiency.

Another function of the fin 236 is that when the evacuation is completed and the fresh box 200 is in the low pressure maintenance process, the sealing strip 230 has two sealing lines, the first is the sealing contact between the first horizontal portion 231 and the first plane 211, and the arrangement of the protruding portion 2311 improves the sealing effect at the position; the second is the contact between the fin 236 and the inner side wall of the case 210, and even if a small amount of gas permeates through the plane portion of the case, the gas will not enter the storage chamber 240 due to the blocking of the fin 236, thereby improving the sealing effect of the fresh-keeping case 200.

The sealing strip has a compact integral structure, when the cover 220 is buckled with the box body 210 up and down, the vertical part 232 is inserted into the box body 210, the wing edges 236 are in contact with the inner side wall of the box body 210, and as the wing edges 236 are obliquely arranged upwards, on one hand, the cover 220 is convenient to press down and buckle, on the other hand, when the cover 220 is pressed down, the wing edges 236 deform towards one side close to the vertical part 232 under stress, and the sealing contact area between the wing edges 236 and the inner side wall of the box body 210 is increased, so that the sealing effect of the position is further increased.

The bottom of the vertical portion 232 is provided with a slit 235, and the slit 235 extends in the height direction of the vertical portion 232. After the cover body 220 is buckled on the box body 210, the notch 235 provides a certain deformation space for the sealing strip 230 so as to eliminate errors such as machining and assembly, enable the vertical portion 232 to be in contact with the inner side wall of the box body 210 better, and further improve the sealing effect.

In some embodiments of the present utility model, referring to fig. 5, the cover 220 is provided with a mounting groove 225, and the mounting groove 225 is located inside the second bead 223.

The mounting groove 225 has an upwardly bulged groove structure, the notch of the mounting groove 225 is downward, the second plane 222 horizontally extends from the bottom of the mounting groove 225, and the end of the second bead 223 is curled to a position near the root of the mounting groove 225.

The bulge structure of the mounting groove 225 and the curled structure of the second curled edge 223 contribute to the structural strength of the plate-like cover 220.

Referring to fig. 5 and 6, the top of the sealing strip 230 is provided with a protrusion 234, the protrusion 234 being located inside the first horizontal portion 231, the protrusion 234 being provided in the mounting groove 225 to fixedly mount the sealing strip 230 to the cover 220.

The protrusion 234 may be mounted in the mounting groove 225 by interference fit, and is also glued between the top plane of the first horizontal portion 231 and the second plane 222, so as to improve the mounting reliability and sealing reliability between the sealing strip 230 and the cover 220.

In some embodiments of the present utility model, referring to fig. 5, the cover 220 is provided with a third plane 224, and the third plane 224 is disposed adjacent to the inner side of the mounting groove 225.

The third plane 224, the mounting groove 225, the second plane 222, and the second bead 223 are sequentially disposed, so that the cover 220 forms a multi-channel concave-convex structure at a position near the edge, which contributes to improving the structural strength of the cover 220.

Referring to fig. 5 and 6, the sealing strip 230 is further provided with a second horizontal portion 233, the second horizontal portion 233 and the first horizontal portion 231 are disposed on two sides of the protrusion 234, and the second horizontal portion 233 abuts against the third plane 224.

For sealing between the sealing strip 230 and the cover 220, a plurality of seals are formed by the cooperation between the first horizontal portion 231 and the second plane 222, the cooperation between the protrusion 234 and the mounting groove 225, and the cooperation between the second horizontal portion 233 and the third plane 224, so that the sealing contact area between the sealing strip 230 and the cover 220 is remarkably increased, and the sealing reliability between the sealing strip 230 and the cover 220 is improved.

In some embodiments of the present utility model, referring to fig. 6, the protrusion 234 is opposite to the vertical portion 232, the second plane 222 is at the same level as the third plane 224, and the first horizontal portion 231 is at the same level as the second horizontal portion 233.

Referring to fig. 5, after the box 210 is fastened to the cover 220 up and down, it can be seen that the first horizontal portion 231, the second horizontal portion 233, the vertical portion 232, and the protrusion 234 on the sealing strip 230 form a relatively stable cross-shaped sealing stress structure, so that on one hand, the stability of the cover 220 after being fastened can be significantly improved, and on the other hand, the tightness can also be significantly improved.

In some embodiments of the utility model, the fin 236 extends obliquely upward from the bottom of the vertical portion 232, and the fin 236 transitions in a circular arc (labeled as position P) with the bottom end surface of the vertical portion 323. Thus, when the cover 220 is pressed down and buckled, the arc transition position P plays a role in guiding, so that the cover 220 is convenient to buckle.

Meanwhile, when the fin 236 is deformed and deflected towards one side of the vertical portion 232 under the force, if the bottom of the vertical portion 232 extends beyond the fin 236, the extended extension may first abut against the inner sidewall of the box 210 to affect the deformation of the fin 236, and further affect the sealing effect between the fin 236 and the inner sidewall of the box 210. Therefore, in this embodiment, the bottom of the fin 236 and the bottom of the vertical portion 232 are disposed on the same plane, so that this problem can be avoided.

The fin 236 has two, where a double seal is formed, further enhancing the sealing effect.

In some embodiments of the utility model, the top position of the notch 235 is lower than the root position of the fin 236 above.

So set up, make vertical portion 232 can obtain comparatively suitable deformation here to improve sealed effect. If the height of the notch 235 is set too large, the vertical portion 232 may lose reliable contact with the sidewall of the case 210, and the sealing effect may be reduced.

In some embodiments of the present utility model, the vertical portion 232 is provided with a groove portion 237 on a side facing the inner side wall of the case 210, the groove portion 237 is disposed near the root of the fin 236, and the inclination direction of the groove portion 237 is the same as the inclination direction of the fin 236.

One of the functions of the groove 237 is that when the fin 236 is deformed and deflected toward the vertical portion 232 by force, the groove 237 provides a certain space for the deformation and deflection of the fin 236, and simultaneously makes the root of the fin 236 thinner, so that elastic deformation is facilitated.

The second function of the groove 237 is that, during the low pressure maintenance of the fresh keeping box 200, the vertical portion 232, the inner sidewall of the box body 210 and the fin 236 form a gas accommodating chamber, if a small amount of gas permeates between the first horizontal portion 231 and the first plane 222, the permeated gas will flow into the gas accommodating chamber to form a buffer, and the existence of the groove 237 is equivalent to expanding the volume of the gas accommodating chamber, thereby helping to improve the sealing effect of the fresh keeping box 200.

In some embodiments of the present utility model, referring to fig. 3 and 8, the cover 220 is provided with a suction opening 226, and the suction opening 226 is surrounded by a circumferential wall having a certain height. A vacuum valve 300 is provided at the suction port 226.

Referring to fig. 10, the vacuum valve 300 includes a cylinder portion 310, a first burring portion 320 is provided at the bottom of the cylinder portion 310, a second burring portion 330 is provided at the top of the cylinder portion 310 along the circumferential direction thereof, and the first burring portion 320 and the second burring portion 330 respectively extend horizontally toward the outside of the cylinder portion 310.

The outer diameter of the cylinder 310 is smaller than the inner diameter of the pumping hole 226, and when the cylinder 310 is inserted into the pumping hole 226, an air flow gap is formed between the cylinder 310 and the inner wall of the pumping hole 226.

The first flanging part 320 is located at the bottom side of the air extraction opening 260, the second flanging part 330 is located at the top side of the air extraction opening 260, and the outer diameters of the first flanging part 320 and the second flanging part 330 are respectively larger than the inner diameter of the air extraction opening 260, so that the vacuum valve 300 is correspondingly clamped at the air extraction opening 260, the vacuum valve 300 is limited in the vertical direction, and the vacuum valve 300 is prevented from being separated from the air extraction opening 260.

The distance between the top surface of the first burring 320 and the bottom surface of the second burring 330 is greater than the height of the pumping hole 260.

Referring to fig. 9, a peripheral edge surrounding the suction opening 226 is provided with an upwardly extending flange 227. The bottom side of the second flanging portion 330 is provided with a first groove 340, and the flanging 227 is clamped in the first groove 340 to limit the horizontal displacement of the vacuum valve 300.

Since the cover 220 is made of stainless steel, the height of the air suction opening 226 is small, and the vacuum valve 300 is provided in the air suction opening 226, so that the left and right movement is easy to occur. Through setting up first recess 340, through the cooperation between first recess 340 and the turn-ups 227, play spacing effect on the vacuum valve 300 in the level, avoid the drunkenness.

The height dimension of the first recess 340 is greater than the height dimension of the flange 227 so as not to affect the sealing contact between the second flange portion 330 and the upper surface of the cover 220.

In some embodiments of the present utility model, referring to fig. 11, the bottom side of the second flanging portion 330 is provided with an annular second groove 350, and the second groove 350 is disposed around the outer side of the first groove 340.

When the bottom surface of the second flange portion 330 contacts and seals with the top surface of the cover 220, if foreign matters such as food residues exist on the top surface of the cover 220, the contact tightness between the second flange portion 330 and the cover 220 is affected, and if the foreign matters are just located in the second groove 350, the problem can be effectively avoided, and the contact tightness between the second flange portion 330 and the cover 220 is ensured.

In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. A preservation box, comprising:

the box body is made of stainless steel, an accommodating cavity with an open top is formed in the box body, a first plane is arranged on the top circumferential edge of the box body, the first plane horizontally extends towards the outer circumferential side of the box body, a first curled edge is arranged at the bottom side of the first plane, and the first curled edge curls towards the direction close to the first plane;

the cover body is made of stainless steel and is used for closing or opening the containing cavity, a second plane which extends horizontally is arranged on the circumferential edge of the cover body, a second curled edge is arranged on the top side of the second plane, and the second curled edge curls towards the direction close to the second plane;

the sealing strip is arranged at the bottom side of the cover body, a first horizontal part and a vertical part are arranged on the sealing strip, the bottom plane of the first horizontal part is used for being in contact sealing with the first plane, the top plane of the first horizontal part is in contact sealing with the second plane, the vertical part is provided with a fin on one side of the box body, the fin is used for being in contact sealing with the inner wall of the box body, a notch is arranged at the bottom of the vertical part, and the notch extends along the height direction of the vertical part.

2. The preservation box according to claim 1, characterized in that,

the cover body is provided with a mounting groove which is positioned at the inner side of the second curled edge;

the top of sealing strip is equipped with the arch, the arch is located the inboard of first horizontal part, the arch is located in the mounting groove.

3. The preservation box according to claim 2, characterized in that,

the protrusions are opposite to the vertical portions vertically.

4. The preservation box according to claim 2, characterized in that,

a third plane is arranged on the cover body and is adjacent to the inner side of the mounting groove;

the sealing strip is also provided with a second horizontal part, and the second horizontal part is propped against the third plane.

5. The preservation box according to claim 4, wherein,

the second plane and the third plane are positioned on the same plane height, and the first horizontal part and the second horizontal part are positioned on the same horizontal height.

6. The crisper according to any one of claims 1 to 5, wherein,

the fin edges are arranged at intervals along the height direction of the vertical part, and extend obliquely upwards from the vertical part.

7. The preservation box according to claim 6, characterized in that,

the top position of the notch is lower than the fin root position of the fin edge above.

8. The crisper according to any one of claims 1 to 5, wherein,

the cover body is provided with an extraction opening, and a flange extending upwards is arranged on the circumferential edge surrounding the extraction opening;

the vacuum valve comprises a cylinder part, a first flanging part is arranged at the bottom of the cylinder part, a second flanging part is arranged at the top of the cylinder part along the circumferential direction of the cylinder part, the cylinder part is arranged in the extraction opening in a penetrating manner and forms an air flow gap with the inner wall of the extraction opening, the first flanging part is positioned at the bottom side of the extraction opening, the second flanging part is positioned at the top side of the extraction opening, a first groove is arranged at the bottom side of the second flanging part, and the flanging clamp is arranged in the first groove to limit the horizontal displacement of the vacuum valve.

9. The preservation box according to claim 8, characterized in that,

the bottom side of the second flanging part is provided with an annular second groove, and the second groove is annularly arranged on the outer side of the first groove.

10. A refrigerator comprises a refrigerator body and a door body, wherein a refrigerating space is formed in the refrigerator body, the door body is used for closing or opening the refrigerating space, and the refrigerator is characterized in that,

the refrigerator further comprises a vacuumizing connector, wherein the preservation box as claimed in any one of claims 1 to 9 is arranged on the inner side of the inner container of the door body, and the vacuumizing connector is used for vacuumizing the preservation box.