CN213657221U

CN213657221U - Vacuum preservation box and refrigerator

Info

Publication number: CN213657221U
Application number: CN202022565907.6U
Authority: CN
Inventors: 杨春; 鲍雨锋; 刘铁伟; 张建
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-09
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a vacuum preservation box and a refrigerator, wherein the vacuum preservation box comprises a box body, a cover body and a sealing strip; the cover body is provided with a first plugging part; be equipped with the second grafting portion on the sealing strip, the second grafting portion is pegged graft with first grafting portion, the sealing strip still have with the first face that the opening end face contact of box body is sealed, and the second face that is close to with the inside wall of box body, be equipped with the bellying along its circumference on the first face, certain clearance has between the inside wall of second face and box body, be equipped with turn-ups portion along its circumference on the second face, turn-ups portion extends upwards towards the inside wall slant that is close to the box body, the turn-ups portion contacts with the inside wall of box body. The bulge forms first seal on the opening end face of the box body, and the flanging part forms second seal on the inner side wall of the box body, so that the sealing effect of the vacuum preservation box is improved. Simultaneously, in the evacuation process, the turn-ups portion can avoid external gas to stretch into the storing intracavity to improve evacuation efficiency.

Description

Vacuum preservation box and refrigerator

Technical Field

The utility model relates to a refrigeration plant technical field especially relates to a vacuum preservation box and refrigerator.

Background

In recent years, people's health consciousness is gradually improved, and the demand for food material preservation is also improved, so that the refrigerator is used as the most common household appliance for storing food materials, and the food material preservation storage becomes a technical demand to be solved urgently in the field of refrigerators. At present, different preservation technologies are introduced by various manufacturers aiming at the problem of food material preservation and storage. For example, in the vacuum preservation technology, the food deterioration condition is changed in the vacuum state. Firstly, in a vacuum environment, microorganisms and various promoting enzymes are difficult to survive, and the requirement of microorganism breeding can be met for a long time; secondly, under the vacuum state, the oxygen in the container is greatly reduced, various chemical reactions can not be completed, the food can not be oxidized, and the food can be preserved for a long time.

The food material can be stored in the refrigerator in a fresh-keeping mode through the vacuum fresh-keeping box, and the vacuum fresh-keeping box is vacuumized through the vacuumizing equipment (such as a vacuumizing connector), so that the pressure in the box reaches the pressure requirement for food material fresh-keeping storage. 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 the sealing performance of the preservation box is improved through the sealing strip. The sealing performance of the sealing strip can directly affect the sealing effect of the preservation box. Those skilled in the art are constantly engaged in the structural research and improvement of the sealing strip to continuously optimize the sealing effect of the preservation box.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

Disclosure of Invention

In view of this, the utility model provides a vacuum preservation box and refrigerator, this vacuum preservation box has better sealed effect, improves the freshness preservation degree of eating the material storage.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

in some embodiments of the present application, a vacuum preservation box is provided, including a box body, the vacuum preservation box further includes:

the cover body is provided with a first plugging part;

the sealing strip is provided with a second insertion part, the second insertion part is inserted into the first insertion part, the sealing strip is further provided with a first surface and a second surface, the first surface is in contact sealing with the opening end face of the box body, the second surface is close to the inner side wall of the box body, a protruding part is arranged on the first surface along the circumferential direction of the first surface, a certain gap is formed between the second surface and the inner side wall of the box body, a flanging part is arranged on the second surface along the circumferential direction of the second surface, the flanging part extends upwards towards the inner side wall close to the box body in an inclined mode, and the flanging part is in contact with the inner side wall of.

In some embodiments of the present application, the sealing strip includes a horizontal portion and a vertical portion connected with the horizontal portion, the horizontal portion is located at the top of the box body, the vertical portion is located inside the box body, the top of the horizontal portion is provided with the second inserting portion, the bottom of the horizontal portion forms the first face, and one face of the vertical portion, which is close to the inner side wall of the box body, is the second face.

In some embodiments of the present application, the flange portion extends obliquely upward from the bottom of the second surface, and the flange portion and the bottom end surface of the vertical portion are in arc transition.

In some embodiments of the present application, the second surface is provided with a groove portion, the groove portion is disposed near a root of the burring portion, and an inclination direction of the groove portion is the same as an inclination direction of the burring portion.

In some embodiments of the present application, the first insertion portion includes a plurality of insertion slots, the second insertion portion includes a plurality of insertion bars, the plurality of insertion slots are correspondingly inserted into the plurality of insertion bars, and the length of each insertion slot is greater than that of each insertion bar.

In some embodiments of the present application, the inner side surface of the insertion strip located on the inner side and the inner side surface of the vertical portion are located on the same plane, and one of the inner walls of the insertion groove enclosing the inner side extends downwards to the bottom of the vertical portion and abuts against the inner side surface of the vertical portion.

In some embodiments of the present application, the slots include a first slot and a second slot, and the slip includes a first slip and a second slip; the cover body is provided with a first wall, a second wall and a third wall, a first slot is formed between the first wall and the second wall, and a second slot is formed between the second wall and the third wall; first cutting with form first grafting vacancy between the second cutting, the outside of second cutting forms second grafting vacancy, first cutting inserts in the first slot, the second cutting inserts in the second slot, the second wall inserts in the first grafting vacancy, and be located the inboard of the opening terminal surface of box body, the third wall inserts in the second grafting vacancy, and be located the positive upper portion of the opening terminal surface of box body.

In some embodiments of the present application, the protruding portion is spaced apart from the first protruding portion.

The utility model also provides a refrigerator, include as above the vacuum preservation box.

In some embodiments of this application, the refrigerator includes a door body and evacuation joint, the vacuum preservation box is located on the door body, the evacuation joint be used for right the vacuum preservation box carries out the evacuation.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

the utility model discloses a vacuum preservation box includes box body, lid and sealing strip, and wherein, be equipped with bellying and turn-ups portion on the sealing strip, the bellying is located the upper portion of box body opening end face, is used for and forms first sealed together with the opening end face contact of box body, and the turn-ups portion is located the inside of box body, is used for and forms the second and says sealedly with the inside wall contact of box body. The sealing effect of the vacuum preservation box can be greatly improved through two sealing. And at the in-process of evacuation, through the contact seal between turn-ups portion and the box body inside wall, can avoid external gas infiltration storing intracavity to improve evacuation efficiency.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

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

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

FIG. 2 is a schematic structural diagram of a vacuum crisper according to an embodiment;

FIG. 3 is a cross-sectional view of a vacuum crisper, according to an embodiment;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a sectional view of a sealing tape according to the embodiment;

fig. 6 is a schematic structural view of the assembled cover and sealing tape according to the embodiment.

Reference numerals:

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

200-vacuum preservation box;

210-cartridge, 211-open end of cartridge, 212-inner side wall of cartridge;

220-cover, 221-vacuum interface part, 222-first plug part, 2221-first slot, 2222-second slot, 223-first wall, 224-second wall, 225-third wall;

230-a sealing strip, 231-a transverse part, 232-a vertical part, 2321-an inner side surface of the vertical part, 233-a second inserting part, 2331-a first inserting strip, 2332-a second inserting strip, 2333-an inner side surface of the first inserting strip, 234-a first inserting vacant position, 235-a second inserting vacant position, 236-a first surface, 237-a second surface, 2371-a groove part, 238-a flanging part and 239-a convex part;

240-storage chamber.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to 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 those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

[ refrigerator ]

Fig. 1 is a perspective view of an embodiment of a refrigerator of the present application, 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 chambers and/or freezing chambers are defined by the cabinet 110 and the door 120.

The refrigerator 100 in this application is a refrigerator with a vacuum refreshing function, and the vacuum refreshing function is realized by the vacuum refreshing box 200.

The storage cavity 240 is formed in the vacuum preservation box 200, the vacuum preservation box 200 is detachably connected with the door body 120 (particularly, a door liner), the vacuum preservation box 200 can be conveniently taken down from the door body 120, and the use convenience of the vacuum preservation box 200 is improved.

Referring to fig. 2 and 3, the vacuum preservation box 200 includes a box body 210 and a cover body 220, wherein a vacuum-pumping interface 221 is disposed on the cover body 220, and the vacuum-pumping interface 221 is used for cooperating with a vacuum-pumping assembly so as to facilitate the vacuum-pumping assembly to communicate with the storage cavity 240 and to vacuum the storage cavity 240.

The vacuum-pumping assembly can make the interior of the vacuum preservation box 200 reach a vacuum state, wherein the vacuum state is not an absolute vacuum state but a low-pressure state, so as to improve the preservation of articles stored in the vacuum preservation box 200. In this embodiment, the vacuum inside the vacuum refreshing box 200 is 0.6-0.9 mpa.

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

The vacuumizing connector 140 is arranged on the door body 120 in a turning manner, specifically on the inner container of the door body, and the vacuumizing 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, that is, the vacuumizing connector 140 is connected with the vacuumizing interface 221, at this time, the vacuum pump is started, and gas in the storage cavity 240 can be exhausted to the vacuum pump through the vacuumizing connector 140 and the vacuumizing pipeline, so that low pressure in the storage cavity 240 is realized.

When the vacuum preservation box 200 needs to be taken down from the door 120, the vacuuming connector 140 is turned over to be separated from the vacuum preservation box 200, that is, the vacuuming connector 140 is separated from the vacuuming interface part 221.

On the door body inner bag was located to evacuation joint 140 upset ground in this application, according to whether need carry out the evacuation to vacuum preservation box 200 and with evacuation joint 140 upwards upset or upset downwards can, the simple operation, convenient to use.

In some embodiments of the present application, referring to fig. 1, the shelf 130 is disposed on the inner container of the door, and the vacuum preservation box 200 is directly placed in the shelf 130, so as to detachably connect the vacuum preservation box 200 and the inner container of the door. When the vacuum preservation box 200 needs to be taken out of the refrigerator 100, the vacuum preservation box 200 can be taken out of the shelf 130 directly.

[ vacuum preservation case ]

Referring to fig. 2 to 6, the vacuum refreshing box 200 of the present application includes a box body 210, a cover 220, and a sealing strip 230. The upper portion of the case 210 is opened, and the cover 220 is detachably disposed on the top of the case 210. The box body 210 and the cover 220 are fastened to form a storage cavity 240.

The cover 220 is provided with a first inserting portion 222, the sealing strip 230 is provided with a second inserting portion 233, and the cover 220 and the sealing strip 230 are fixedly connected through the insertion between the first inserting portion 222 and the second inserting portion 233.

Sealing strip 230 is located lid 220 towards one side of box body 210, and after lid 220 and box body 210 lock, sealing strip 230 and the open end butt of box body 210, lid 220 and box body 210 can further chucking under the exogenic action such as buckle, make sealing strip 230 atress compress to form sealedly at the junction of lid 220 and box body 210, and then realize fresh-keeping box's sealed.

Seal 230 also has a first face 236 that is sealed in contact with open end face 211 of cassette body 210 and a second face 237 that is adjacent to inner sidewall 212 of the cassette body. The first surface 236 has a protrusion 239 formed along a circumferential direction thereof. A certain gap is arranged between the second surface 237 and the inner side wall 212 of the box body, a flanging part 238 is arranged on the second surface 237 along the circumferential direction, and the flanging part 238 extends upwards towards the inner side wall 212 close to the box body. When the cover 220 is fastened to the case 210, the protrusion 239 is in close contact with the opening end 211 of the case, and the flange 230 is in contact with the inner sidewall 212 of the case.

Due to processing, assembly, and the like, there may be some gaps after the opening end surface 211 of the box body contacts the first surface 236 of the sealing strip 230, and the existence of the gaps may affect the sealing effect of the sealing strip 230. The gap can be offset and compensated by the arrangement of the convex part 239, so that the opening end surface 211 of the box body can be tightly and seamlessly contacted with the first surface 236 of the sealing strip, and the sealing effect of the vacuum preservation box 200 is improved.

One of the functions of the turned-up portion 238 is that when the cover 220 is fastened to the box 210 and the vacuum pumping is 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 surface 236 and the box opening end surface 211, and since the turned-up portion 238 contacts the inner sidewall 212 of the box, the contact position of the turned-up portion 238 and the box inner sidewall 212 is equivalent to form a seal to prevent the external atmosphere from infiltrating, thereby contributing to the improvement of the vacuum pumping efficiency.

The flanging portion 238 also has the function that when the vacuum preservation box 200 is in the low-pressure maintaining process after the vacuum pumping is finished, the sealing strip 230 has two sealing lines, the first point is the sealing contact between the first surface 236 and the opening end surface 211 of the box body, and the arrangement of the protruding portion 239 improves the sealing effect at the position; the second place is the contact between the flanging part 238 and the inner sidewall 212 of the box body, even if a small amount of gas permeates through the opening end surface 211 of the box body, the gas is blocked by the flanging part 238 and cannot enter the storage cavity 240, so that the sealing effect of the vacuum refreshing box 200 is improved.

In some embodiments of the present application, referring to fig. 4 and 5, the sealing strip 230 includes a transverse portion 231 and a vertical portion 232 connected to the transverse portion 231, and the transverse portion 231 and the vertical portion 232 are integrally formed. The lateral portion 231 is located at the top of the cassette 210 and the vertical portion 232 is located inside the cassette 210. The top of the transverse part 231 is provided with a second inserting part 233, the bottom of the transverse part 231 forms a first surface 236, and one surface of the vertical part 232 close to the inner side wall 212 of the box body is a second surface 237.

In the specific structure of the sealing strip 230, the second inserting portion 233, the first surface 236 for being in sealing contact with the opening end surface 211 of the box body, and the flange portion 238 for being in sealing contact with the inner side wall 212 of the box body are compact in structure, so that on one hand, the inserting and assembling between the sealing strip 230 and the cover 220 are facilitated, and on the other hand, the sealing strip 230 is in sealing fit with the box body 210 when the cover 220 is fastened with the box body 210.

When the cover 220 is buckled with the box body 210, the vertical part 232 is inserted into the box body 210, the flanging part 238 is contacted with the inner side wall 212 of the box body immediately, because the flanging part 238 is obliquely and obliquely inclined, on one hand, the cover 220 is convenient to press downwards for buckling, on the other hand, when the cover body 220 is pressed downwards, the flanging part 238 is stressed to deform towards one side close to the vertical part 232, the sealing contact area between the flanging part 238 and the inner side wall 212 of the box body is increased, and the sealing effect at the position is further increased.

With respect to the particular arrangement of the turn-up portion 238, in some embodiments of the present application, the turn-up portion 238 extends obliquely upward from the bottom of the second face 237, and the turn-up portion 238 transitions in a circular arc (labeled as position P) with the bottom end face of the vertical portion 323. Thus, when the cover 220 is pressed and fastened, the arc transition position P plays a guiding role, so that the cover 220 can be fastened conveniently.

Meanwhile, when the flanging portion 238 is deformed and deviated towards one side of the vertical portion 232 under a force, if the bottom of the vertical portion 232 additionally extends out of the flanging portion 238, the extended extension may first abut against the inner sidewall 212 of the box body to affect the deformation of the flanging portion 238, and further affect the sealing effect between the flanging portion 238 and the inner sidewall 212 of the box body. Therefore, in the present embodiment, the bottom of the flange portion 238 and the bottom of the vertical portion 232 are disposed on the same plane, so that this problem can be avoided.

In some embodiments of the present application, the second surface 237 is provided with a groove portion 2371, the groove portion 2371 is disposed near the root of the flange portion 238, and the inclination direction of the groove portion 2371 is the same as the inclination direction of the flange portion 238.

One of the effects of the groove portion 2371 is that when the flange portion 238 is deformed and deflected toward the vertical portion 232 side by a force, the groove portion 2371 provides a certain space for the deformation and deflection of the flange portion 238, and at the same time, the root of the flange portion 238 is thinner, which facilitates the elastic deformation.

The second purpose of the groove portion 2371 is that, during the low pressure holding process of the vacuum refreshing box 200, the vertical portion 232, the inner side wall 212 of the box body and the flanging portion 238 form a gas accommodating cavity, if a small amount of gas permeates between the first surface 236 and the opening end surface 211 of the box body, the permeated gas flows into the gas accommodating cavity to form a buffer, and the volume of the gas accommodating cavity is enlarged by the groove portion 2371, so that the sealing effect of the vacuum refreshing box 200 is improved.

With regard to the specific arrangement of the first insertion part 222 and the second insertion part 233, in some embodiments of the present application, with reference to fig. 4 and 5, the first insertion part 222 includes a plurality of slots, the second insertion part 233 includes a plurality of insertion strips, and the plurality of slots are inserted into the plurality of insertion strips, so as to realize the insertion and fixation between the first insertion part 222 and the second insertion part 233.

The length of slot is greater than the length of cutting, guarantees on the one hand that slot and cutting can peg graft and target in place, avoids leading to the condition of not target in place of pegging graft because of reasons such as machining error, and on the other hand, the slot sets up a little longer, still helps reducing the materials of lid, practices thrift the cost.

In one embodiment, there are two slots and two inserts, which are respectively labeled as a first slot 2221, a second slot 2222, a first insert 2331 and a second insert 2332. The cover 220 is provided with a first wall 223, a second wall 224, and a third wall 225, wherein a first slot 2221 is formed between the first wall 223 and the second wall 224, and a second slot 2222 is formed between the second wall 224 and the third wall 225. A first plugging vacancy 234 is formed between the first and second plugging

bars

2331 and 2332, and a second plugging vacancy 235 is formed outside the second plugging bar 2332. After the sealing strip 230 is connected with the cover 220, the first inserting strip 2331 is inserted into the first inserting slot 2221, the second inserting strip 2332 is inserted into the second inserting slot 2222, the second wall 224 is inserted into the first inserting vacant slot 234 and is located inside the opening end surface 211 of the box body, and the third wall 225 is inserted into the second inserting vacant slot 235 and is located right above the opening end surface 211 of the box body.

When the cover 220 and the box body 210 are pressed and fastened under the action of external force such as a fastener, the cover 220 moves down integrally, and the transverse part 231 between the third wall 225 and the opening end face 211 of the box body is pressed under stress, so that the sealing effect is enhanced; the downward movement of the second wall 224 will cause the portion of the transverse portion 231 located at the lower portion of the second wall 224 to move downward and deform, so as to bring the vertical portion 232 and the flanging portion 238 together to deform and deflect toward the inner sidewall 212 of the box body, thereby improving the contact sealing between the flanging portion 238 and the inner sidewall 212 of the box body, and further improving the sealing effect.

In some embodiments of the present application, the inner side surface 2333 of the inner insert strip (i.e. the first insert strip 2331) is located on the same plane as the inner side surface 2321 of the vertical portion, and one of the inner walls (i.e. the first wall 223) enclosing the inner insert groove (i.e. the first insert groove 221) extends downward to the bottom of the vertical portion 232 and abuts against the vertical portion 232.

Thus, the first wall 223 is tightly contacted with the whole inner side surface of the sealing strip 230, and when the cover 220 is pressed and fastened, the vertical part 232 and the first insert 2331 are stressed uniformly, so that the vertical part 232 is contacted with the inner side wall 212 of the box body more tightly, and the sealing effect is improved.

In some embodiments of the present application, the width of the slot gradually decreases from the open end of the slot to the closed end of the slot, and a wedge-shaped insertion structure is formed between the slot and the insertion strip, so that the insertion is more secure.

As for the specific arrangement of the protruding portion 239, in some embodiments of the present application, a plurality of protruding portions 239 are spaced at intervals so as to form a plurality of seals on the opening end surface 211 of the box body, thereby improving the sealing effect.

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

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a vacuum preservation box, includes the box body, its characterized in that, vacuum preservation box still includes:

the cover body is provided with a first plugging part;

2. The vacuum refreshing box according to claim 1,

the sealing strip comprises a transverse part and a vertical part connected with the transverse part, the transverse part is located at the top of the box body, the vertical part is located inside the box body, the second inserting part is arranged at the top of the transverse part, the first surface is formed at the bottom of the transverse part, and the second surface is arranged on one surface, close to the inner side wall of the box body, of the vertical part.

3. The vacuum refreshing box according to claim 2,

the flanging part extends obliquely upwards from the bottom of the second surface, and the bottom end surface of the flanging part and the bottom end surface of the vertical part are in arc transition.

4. The vacuum refreshing box according to claim 2,

the second surface is provided with a groove portion, the groove portion is arranged close to the root of the flanging portion, and the inclination direction of the groove portion is the same as that of the flanging portion.

5. The vacuum refreshing box according to claim 2,

the first inserting portion comprises a plurality of inserting grooves, the second inserting portion comprises a plurality of inserting strips, the inserting grooves are correspondingly inserted with the inserting strips, and the length of each inserting groove is larger than that of each inserting strip.

6. The vacuum refreshing box according to claim 5,

the inner side face of the inserting strip located on the inner side and the inner side face of the vertical portion are located on the same plane, one inner wall of the inserting groove which is surrounded to be located on the inner side extends downwards to the bottom of the vertical portion and abuts against the inner side face of the vertical portion.

7. The vacuum refreshing box according to claim 5,

the slots comprise a first slot and a second slot, and the inserting strips comprise a first inserting strip and a second inserting strip; the cover body is provided with a first wall, a second wall and a third wall, a first slot is formed between the first wall and the second wall, and a second slot is formed between the second wall and the third wall; first cutting with form first grafting vacancy between the second cutting, the outside of second cutting forms second grafting vacancy, first cutting inserts in the first slot, the second cutting inserts in the second slot, the second wall inserts in the first grafting vacancy, and be located the inboard of the opening terminal surface of box body, the third wall inserts in the second grafting vacancy, and be located the positive upper portion of the opening terminal surface of box body.

8. The vacuum refreshing box according to claim 1,

the protruding part is provided with a plurality of intervals.

9. A refrigerator comprising the vacuum refreshing box according to any one of claims 1 to 8.

10. The refrigerator according to claim 9, wherein the refrigerator comprises a door body and a vacuumizing connector, the vacuum preservation box is arranged on the door body, and the vacuumizing connector is used for vacuumizing the vacuum preservation box.