CN211400456U - A kind of refrigerator - Google Patents

Abstract

The application discloses refrigerator relates to refrigerator technical field, has solved refrigerator operation complicacy, and degree of automation is lower problem has promoted user's use and has experienced. The refrigerator comprises a door body, wherein an installation cavity is formed in the door body, and a vacuumizing device is arranged in the installation cavity; the vacuumizing device comprises a vacuum pump, a vacuum chamber and a driving assembly; the vacuum chamber is enclosed by a base and an upper cover, the upper cover is rotationally connected with the base through a rotating shaft, and the vacuum chamber is opened or closed in the rotating process of the upper cover around the rotating shaft; the vacuum pump is communicated with the vacuum chamber and is used for vacuumizing the vacuum chamber; the driving assembly comprises a driving motor and a transmission structure, the transmission structure comprises a rocker, and when the driving motor drives the rocker to rotate around an output shaft of the driving motor, the rocker drives the upper cover to rotate around the rotating shaft, so that the vacuum chamber is opened or closed. The refrigerator of the application is used for storing food.

Description

A kind of refrigerator

Technical Field

The utility model relates to a refrigerator technical field especially relates to a refrigerator.

Background

The refrigerator is a common refrigeration device, is generally used for food refrigeration and fresh keeping, and aims to prolong the storage time of food, but the traditional refrigerator relying only on low-temperature fresh keeping cannot meet the requirements of people. Oxygen has been found to be a major factor causing food spoilage, and for better preservation of food for longer periods of time, refrigerators with evacuation packaging have been developed that include evacuation packaging modules. When the food storage bag is used, food is placed into the storage bag firstly, then the storage bag is vacuumized and sealed by the vacuumizing module, and then the storage bag is placed into a refrigerator for refrigeration, so that the storage time of the food is prolonged.

The prior art provides a refrigerator with a vacuum packing function, which includes a vacuum packing module. The vacuum packaging module comprises a vacuum pump and a vacuum chamber, wherein the vacuum pump is communicated with the vacuum chamber and is used for vacuumizing the vacuum chamber. The vacuum chamber consists of an upper cover and a base, and the upper cover and the base are matched to open or close the vacuum chamber. When the bag is used, the vacuum chamber is opened first, and the bag opening of the storage bag is stretched into the vacuum chamber. And then closing the vacuum chamber, wherein the storage bag is communicated with the vacuum chamber to form a closed space, and the vacuum pump vacuumizes the vacuum chamber and simultaneously vacuumizes the storage bag.

However, when the vacuum packaging module is used to vacuumize the storage bag, the refrigerator with the vacuum packaging function in the prior art needs to manually operate the upper cover, so that the upper cover moves relative to the base to open or close the vacuum chamber, and the refrigerator is complex in operation, low in automation degree and poor in user experience.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a refrigerator has solved refrigerator operation complicacy, and the lower problem of degree of automation has promoted user's use and has experienced.

In order to achieve the above object, an embodiment of the utility model provides a refrigerator, including a door body, be formed with the installation cavity on the door body, be equipped with evacuating device in the installation cavity, evacuating device is used for carrying out the evacuation to the storing bag. The vacuum pumping device comprises a vacuum chamber, a vacuum pump and a driving assembly. The vacuum chamber is enclosed by a base and an upper cover, the upper cover is rotationally connected with the base through a rotating shaft, and the vacuum chamber is opened or closed in the rotating process of the upper cover around the rotating shaft; the bag mouth of the storage bag can extend into the vacuum chamber from the space between the base and the upper cover and is communicated with the vacuum chamber. The vacuum pump is communicated with the vacuum chamber and is used for vacuumizing the vacuum chamber. The driving component is used for driving the upper cover to rotate around the rotating shaft to open or close the vacuum chamber. The driving assembly comprises a driving motor and a transmission structure, and power generated by the driving motor is transmitted to the upper cover through the transmission structure to drive the upper cover to rotate to open or close the vacuum chamber. The transmission structure comprises a rocker, and when the drive motor drives the rocker to rotate around an output shaft of the drive motor, the rocker drives the upper cover to rotate around the rotating shaft.

An embodiment of the utility model provides a refrigerator, a door body, be formed with the installation cavity on the door body, be equipped with evacuating device in the installation cavity, evacuating device is used for carrying out the evacuation to the storing bag. The door body has certain thickness, and the vacuumizing device is integrated on the door body, so that the space of the refrigerator occupied by the vacuumizing device can be reduced to the greatest extent. The vacuum pumping device comprises a vacuum chamber, a vacuum pump and a driving assembly. The vacuum chamber is enclosed by a base and an upper cover, the upper cover is rotationally connected with the base through a rotating shaft, and the vacuum chamber is opened or closed in the rotating process of the upper cover around the rotating shaft. The upper cover is rotatably connected with the base, so that the bag opening of the storage bag can extend into the vacuum chamber from the space between the base and the upper cover and is communicated with the vacuum chamber. The vacuum pump is communicated with the vacuum chamber and is used for vacuumizing the vacuum chamber. When the vacuum pump is used for vacuumizing the vacuum chamber, the storage bag is vacuumized simultaneously, and then the vacuumizing function of the storage bag is realized. The driving component is used for driving the upper cover to rotate around the rotating shaft, so that the vacuum chamber is opened or closed by the upper cover. The driving assembly comprises a driving motor and a transmission structure, and power generated by the driving motor is transmitted to the upper cover through the transmission structure to drive the upper cover to rotate to open or close the vacuum chamber. The transmission structure comprises a rocker, and when the drive motor drives the rocker to rotate around an output shaft of the drive motor, the rocker drives the upper cover to rotate around the rotating shaft, so as to open or close the vacuum chamber. When the bag opening of the storage bag needs to be extended into the vacuum chamber or taken out of the vacuum chamber, the driving motor drives the upper cover to rotate through the rocker so as to separate the upper cover from the base and open the vacuum chamber; when the storage bag needs to be vacuumized, the driving motor drives the upper cover to rotate through the rocker, so that the upper cover and the base are abutted together, and the vacuum chamber is sealed. Compared with the prior art, the vacuum chamber is opened or closed in a manual operation mode; the utility model discloses refrigerator is equipped with drive assembly between upper cover and base, drives the upper cover through drive assembly and rotates, opens or seals real empty room, has promoted evacuating device's degree of automation, has reduced user manual operation's step, and easy operation has promoted user's use and has experienced.

Drawings

Fig. 1 is a schematic perspective view of a refrigerator according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a door body of a refrigerator according to an embodiment of the present invention;

fig. 3 is an explosion structure schematic diagram of a door body of a refrigerator according to an embodiment of the present invention;

FIG. 4 is a schematic view of a vacuum chamber of the vacuum extractor according to the embodiment of the present invention in a three-dimensional structure when the vacuum chamber is closed;

fig. 5 is an exploded schematic view of the vacuum evacuation device according to the embodiment of the present invention;

fig. 6 is a schematic perspective view of a base according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of an upper cover according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a rocker according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of the vacuum chamber of the vacuum extractor according to the embodiment of the present invention when opened;

fig. 10 is a schematic view of an assembly structure of a driving assembly according to an embodiment of the present invention;

fig. 11 is a bottom structure diagram of the base according to the embodiment of the present invention;

FIG. 12 is a side view of the vacuum chamber of the evacuation device of an embodiment of the present invention closed;

FIG. 13 is a side view of the vacuum evacuation device of an embodiment of the present invention with the vacuum chamber open;

FIG. 14 is a cross-sectional view of the vacuum chamber of the vacuum evacuation device of the present invention shown in the closed position;

fig. 15 is a cross-sectional view of the vacuum evacuation device of the embodiment of the present invention with the vacuum chamber open.

Reference numerals

1-a vacuum pump; 11-a vacuum exhaust tube; 12-mounting the housing; 2-a vacuum chamber; 21-a base; 211 — a first recess; 22-upper cover; 221-a chute; 222-a second groove; 23-a first annular sealing strip; 231-a first mounting groove; 24-a second annular sealing strip; 241-a second mounting groove; 3-a drive assembly; 31-a drive motor; 32-a transmission structure; 321-a rocker; 3211-a first end; 3212-a second end; 3213-a slide block; 3214-connecting hole; 322-a drive shaft; 4-a rotating shaft; 41-mounting holes; 5-in-place detection unit; 51-detection unit mounting groove; 52-a connecting assembly; 6-air pressure detection unit; 7-a sealing component; 71-heating a strip; 711-heating strip installation groove; 72-insulating strips; 721-heat insulation strip mounting groove; 8-a control panel; 81-operation port; 82-avoiding holes; 9-a control assembly; 91-an instruction input unit; 92-a control circuit board; 100-a door body; 101-a mounting cavity; 200-a box body; 300-a vacuum-pumping device; 400-a small door; 500-locking device.

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.

Referring to fig. 1 and 2, in general, a refrigerator has an approximately rectangular parallelepiped shape, and includes a door 100 and a cabinet 200, where the cabinet 200 and the door 100 cooperate to define storage compartments including a refrigerating compartment, a freezing compartment, and a temperature-variable compartment. The door 100 generally includes a door outer shell far away from the storage chamber, a door inner container near the storage chamber, an upper end cover, a lower end cover, and a heat insulating layer between the door outer shell, the door inner container, the upper end cover and the lower end cover; typically, the thermal insulation layer is filled with a foam material.

An embodiment of the utility model provides a refrigerator, as shown in fig. 1, fig. 2 and fig. 3, including the door body 100, be formed with installation cavity 101 on the door body 100, be equipped with evacuating device 300 in the installation cavity 101, evacuating device 300 is used for carrying out the evacuation to the storing bag. Referring to fig. 4 and 5, the vacuum pumping apparatus 300 includes a vacuum pump 1, a vacuum chamber 2, and a driving assembly 3. The vacuum chamber 2 is enclosed by a base 21 and an upper cover 22, the upper cover 22 is rotatably connected with the base 21 through a rotating shaft 4, and the vacuum chamber 2 is opened or closed in the rotating process of the upper cover 22 around the rotating shaft 4; the mouth of the bag may extend into the vacuum chamber 2 from between the base 21 and the lid 22 and communicate with the vacuum chamber 2. The vacuum pump 1 is communicated with the vacuum chamber 2, and the vacuum pump 1 is used for vacuumizing the vacuum chamber 2. The driving assembly 3 is used for driving the upper cover 22 to rotate around the rotating shaft 4, and opening or closing the vacuum chamber 2. As shown in fig. 4 and 5, the driving assembly 3 includes a driving motor 31 and a transmission structure 32, and power generated by the driving motor 31 is transmitted to the upper cover 22 through the transmission structure 32 to drive the upper cover 22 to rotate to open or close the vacuum chamber 2. The transmission structure 32 includes a rocker 321, and when the driving motor 31 drives the rocker 321 to rotate around the output shaft of the driving motor 31, the rocker 321 drives the upper cover 22 to rotate around the rotating shaft 4.

The embodiment of the utility model provides a refrigerator, as shown in fig. 1, fig. 2 and fig. 3, including the door body 100, be formed with installation cavity 101 on the door body 100, be equipped with evacuating device 300 in the installation cavity 101, evacuating device 300 is used for carrying out the evacuation to the storing bag. The door body 100 has a certain thickness, and the vacuum pumping device 300 is integrated on the door body 100, so that the space of the refrigerator occupied by the vacuum pumping device 300 can be reduced to the greatest extent. Referring to fig. 4 and 5, the vacuum pumping apparatus 300 includes a vacuum pump 1, a vacuum chamber 2, and a driving assembly 3. The vacuum chamber 2 is enclosed by a base 21 and an upper cover 22, the upper cover 22 is rotatably connected with the base 21 through a rotating shaft 4, and the vacuum chamber 2 is opened or closed during the rotation of the upper cover 22 around the rotating shaft 4. The upper cover 22 is rotatably connected to the base 21 so that a mouth of the bag can extend into the vacuum chamber 2 from between the base 21 and the upper cover 22 and communicate with the vacuum chamber 2. The vacuum pump 1 is communicated with the vacuum chamber 2, and the vacuum pump 1 is used for vacuumizing the vacuum chamber 2. When the vacuum pump 1 is used for vacuumizing the vacuum chamber 2, the bag opening of the storage bag extends into the vacuum chamber 2 from between the base 21 and the upper cover 22, the storage bag is communicated with the vacuum chamber 2 to form a closed space, and the storage bag is vacuumized simultaneously when the vacuum pump 1 is used for vacuumizing the vacuum chamber 2, so that the vacuumizing function of the storage bag is realized. The driving assembly 3 is used for driving the upper cover 22 to rotate around the rotating shaft 4, so that the upper cover 22 opens the vacuum chamber 2 or closes the vacuum chamber 2. The driving assembly 3 includes a driving motor 31 and a transmission structure 32, and power generated by the driving motor 31 is transmitted to the upper cover 22 through the transmission structure 32 to drive the upper cover 22 to rotate to open or close the vacuum chamber 2. The transmission structure 32 includes a rocker 321, and when the driving motor 31 drives the rocker 321 to rotate around the output shaft of the driving motor 31, the rocker 321 drives the upper cover 22 to rotate around the rotating shaft 4, so as to open or close the vacuum chamber 2. When the bag mouth of the storage bag needs to be inserted into the vacuum chamber 2 or taken out of the vacuum chamber 2, the driving motor 31 drives the upper cover 22 to rotate through the rocker 321, so that the upper cover is separated from the base 21, and the upper cover 22 opens the storage chamber 2; when the bag needs to be evacuated, the driving motor 31 drives the upper cover 22 to rotate through the rocker 321, so that the upper cover 22 and the base 21 are abutted together, and the vacuum chamber 2 is sealed by the upper cover 22. Compared with the prior art, the vacuum chamber is opened or closed in a manual operation mode; the utility model discloses refrigerator is equipped with drive assembly 3 between upper cover 22 and base 21, drives upper cover 22 through drive assembly 3 and rotates, opens or seals real empty room, has promoted evacuating device 300's degree of automation, has reduced user manually operation's step, and easy operation has promoted user's use and has experienced.

In a conventional refrigerator with a vacuum packaging function, a vacuum pumping module of the refrigerator is generally large in size and is usually installed inside the refrigerator or installed outside a casing to be fixedly connected with the casing. In this embodiment, as shown in fig. 2 and fig. 3, the vacuum extractor 300 has a compact structure and a small volume, the door body 100 has a certain thickness, the installation cavity 101 is located between the door body shell and the door body liner of the door body 100, and the vacuum extractor 300 is integrally installed inside the door body 100; on one hand, the vacuum device 300 does not occupy the space of the storage room, and can ensure that the accommodating space of the refrigerator is not influenced; on the other hand, the vacuum-pumping device 300 is integrally installed inside the door body 100, so that the overall appearance of the refrigerator is not affected, and the refrigerator still has a structure similar to a rectangular parallelepiped. Furthermore, the opening of the installation cavity 101 is located on the outer side wall of the door body 100, when the vacuum-pumping device 300 is used for vacuum-pumping the storage bag, the storage chamber does not need to be opened for operation, and the cold air inside the storage chamber can be effectively prevented from leaking.

Obviously, in addition to the structure of the vacuum extractor 300 of the present embodiment, the vacuum extractor 300 may be disposed on other side walls of the refrigerator body 200. However, when the refrigerator is placed, other side walls except the door body 100 may be placed against the wall, so that the vacuum pumping device 300 is convenient to use, the embodiment of the present invention is disposed on the door body 100, and the present application is described and illustrated by taking this as an example. It should be understood that the vacuum device 300 is located on the door 100, which is a preferred embodiment, and can be located at other positions of the refrigerator.

The upper cover 22 is rotatably connected to the base 21 via the rotating shaft 4, and in some embodiments, as shown in fig. 6, two cylindrical rotating shafts 4 are formed by protruding two opposite side walls of the base 21, the extending direction of the rotating shaft 4 is perpendicular to the side walls, and the rotating shaft 4 and the base 21 are of an integral structure; as shown in fig. 7, a mounting hole 41 matched with the rotating shaft 4 is formed at a position of the upper cover 22 corresponding to the rotating shaft 4, the rotating shaft 4 extends into the mounting hole 41, and the rotating shaft 4 can rotate in the mounting hole 41. When the driving assembly 3 drives the upper cover 22 to rotate around the rotating shaft 4, the mounting hole 41 and the rotating shaft 4 rotate relatively, and the upper cover 22 opens the vacuum chamber 2 or closes the vacuum chamber 2.

The upper cover 22 and the base 21 may be rotatably connected by other structures besides the rotating shaft 4, for example, the upper cover 22 and the base 21 may be hinged by a hinge, or through holes may be provided at corresponding positions on the base 21 and the upper cover 22, and the upper cover 22 and the base 21 may be connected by a shaft that can rotate around the through holes. The utility model discloses pivot 4 of embodiment is one of them optional, simple structure, and convenient preparation and the lower concrete structure of cost are not understood as the restriction to this application.

In the embodiment of the present invention, as shown in fig. 8, 12 and 13, the first end 3211 of the rocker 321 is connected to the output shaft of the driving motor 31, and the driving motor 31 drives the rocker 321 to rotate; the second end 3212 of the rocker 321 is slidably connected to the upper cover 22, and the sliding direction of the second end 3212 of the rocker 321 is perpendicular to the axial direction of the rotating shaft 4. When the driving motor 31 drives the rocking bar 321 to rotate, the second end 3212 of the rocking bar 321 slides on the upper cover 22, and further drives the upper cover 22 to rotate around the rotating shaft 4. When the rocker 321 rotates around the output shaft of the driving motor 31, the second end 3212 of the rocker 321 is always in contact with the upper cover 22 and moves on the upper cover 22 along a direction perpendicular to the axis of the rotating shaft 4, so as to drive the upper cover 22 to rotate around the rotating shaft 4, and open or close the vacuum chamber 2.

It should be noted that the driving motor 31 may also be directly connected to the upper cover 22 without passing through the rocker 321, and at this time, the output shaft of the driving motor 31 is connected to the upper cover 22 in the axial direction of the rotating shaft 4 to drive the upper cover 22 to rotate directly. However, since one side of the upper cover 22 is hinged to the base 21, the weight of the upper cover 22 is heavy, and when the output shaft of the driving motor 31 is directly connected to the upper cover 22, the driving motor 31 is required to provide a large torque output, which requires a large power for the driving motor 31.

In order to facilitate the second end 3212 of the rocker 321 to slide on the upper cover 22 directionally without being separated from the upper cover 22, in this embodiment, as shown in fig. 7, 8 and 9, a sliding slot 221 is disposed on a side wall of the upper cover 22, an extending direction of the sliding slot 221 is perpendicular to an extending direction of the rotating shaft 4, a sliding block 3213 engaged with the sliding slot 221 is disposed at the second end 3212 of the rocker 321, and when the rocker 321 rotates around the first end 3211 thereof, the sliding block 3213 slides in the sliding slot 221 to drive the upper cover 22 to rotate around the rotating shaft 4. The sliding groove 221 is disposed on the left and right side walls of the upper cover 22, the sliding block 3213 is a protrusion formed by the second end 3212 of the rocker 321 protruding toward the sliding groove 221, and for the sliding of the sliding block 3213 in the sliding groove 221, the sliding block 3213 is cylindrical.

In addition to the above method, a sliding rod and a sliding sleeve may be disposed on the upper cover 22, and the second end 3212 of the rocker 321 is connected to the sliding sleeve, so that the rocker 321, the sliding sleeve and a rocker-slider mechanism are formed to drive the upper cover 22 to rotate around the rotating shaft 4.

When the vacuum extractor 300 is used to evacuate the storage bag, the bag mouth of the storage bag needs to be unfolded and placed into the vacuum chamber 2, in order to reduce the volume of the vacuum extractor 300 as much as possible and simultaneously enable the vacuum extractor to evacuate the storage bags of various specifications, the vacuum chamber 2 is usually designed to be a long strip shape, that is, the length of the square extending of the vacuum chamber along the rotating shaft 4 is long. Moreover, in order to facilitate the rocking bar 321 to rotate the upper cover 22, the rocking bar 321 is generally disposed on the side walls of the base 21 and the upper cover 22 perpendicular to the rotating shaft 4. In order to prevent the vacuum chamber 2 from being communicated with the outside when the vacuum pump 1 evacuates the vacuum chamber 2, when the upper cover 22 and the base 21 close the vacuum chamber 2, the upper cover 22 needs to be pressed against the base 21 to ensure the sealing property between the upper cover 22 and the base 21. When the rocking bar 321 is rotated to press the upper cover 22 against the base 21, if the rocking bar 321 is provided on only one of the side walls, pressure imbalance between the upper cover 22 and the base 21 may be caused. Therefore, in the present embodiment, as shown in fig. 5 and 10, in order to ensure the pressure equalization between the upper cover 22 and the base 21 when the upper cover 22 and the base 21 cooperate to close the vacuum chamber 2, the number of the rocking bars 321 is two, the two rocking bars 321 are respectively located at two opposite sides of the vacuum chamber 2, and the two rocking bars 321 move synchronously. It should be understood that the synchronous movement of the two rockers 321 means that when the vacuum chamber 2 is opened or closed, the rotation angles and torques of the two rockers 321 are the same, so that the forces transmitted by the two rockers 321 to the upper cover 22 are the same in magnitude and direction, and further the pressure between the upper cover 22 and the base 21 is equalized, thereby ensuring the sealing performance of the vacuum chamber 2.

In order to ensure that the motion conditions of the two rockers 321 are the same, in this embodiment, the same driving motor 31 is used to drive the two rockers 321 to rotate. In order to enable the same driving motor 31 to drive the two rocking bars 321 to rotate, as shown in fig. 5 and 10, the transmission structure 3 further includes a transmission shaft 322, one end of the transmission shaft 322 is connected to the driving motor 31, the other end of the transmission shaft is connected to the first end 3211 of the rocking bar 321, and the extending direction of the transmission shaft 322 is parallel to the extending direction of the rotation shaft 4, so that when the transmission shaft 322 drives the rocking bar 321 to rotate around the output shaft of the driving motor 31, the rotating direction of the rocking bar 321 is the same as the rotating direction of the upper cover 22. The driving motor 31 is located at the middle position of the two rockers 321, and the driving motor 321 is connected with the two rockers 321 through two transmission shafts 322. The driving motor 31 is located in the middle of the two rockers 321, so that the lengths of the two transmission shafts 322 are the same, and the torque transmitted to the rockers 321 by the driving motor 31 through the transmission shafts 322 is the same.

It should be noted that, in addition to the above-mentioned manner of driving the two rockers 321 to move synchronously by one driving motor 31, two driving motors 31 with the same power may be used to drive the two rockers 321 to move respectively, at this time, it is necessary to ensure that the two driving motors 31 are turned on or off synchronously, and the output powers of the two driving motors 31 are the same. However, the two driving motors 31 are expensive and occupy a large space; the control difficulty of the synchronous operation of the two driving motors 31 is large. Therefore, in the present embodiment, one driving motor 31 is used, and two rockers 321 are connected to the driving motor through two transmission shafts 322 symmetrically arranged, so that the motion conditions of the two rockers 321 are the same.

In order to make the transmission shaft 322 rotate the rocker 321, and to ensure the sealing performance of the vacuum chamber 2 when the vacuum chamber 2 is sealed, a pressing force exists between the upper cover 22 and the base 21. In order to prevent the transmission shaft 322 and the rocker 321 from sliding relatively, in the embodiment, as shown in fig. 5 and 8, the transmission shaft 322 has a polygonal cross-sectional shape along the radial direction, a first end 3211 of the rocker 321 is provided with a connecting hole 3214 matched with the transmission shaft 322, and the transmission shaft 322 passes through the connecting hole 3214 and is fixed to the rocker 321. It should be understood that, in order to accurately transmit the torque output by the driving motor 31 to the rocking bar 321, the radial cross-sectional shape of the transmission shaft 322 is not circular.

It should be noted that, in order to accurately transmit the torque output by the driving motor 31 to the rocking bar 321, the transmission shaft 322 is provided in a prism form. The transmission shaft 322 may also be made into a cylindrical shape, and at this time, the connection between the transmission shaft 322 and the output shaft of the driving motor 31 and the connection between the transmission shaft 322 and the first end 3211 of the rocker 321 are all connected by a key, so as to prevent the transmission shaft 322 from generating relative rotation between the output shaft of the driving motor 31 and the rocker 321. The embodiment of the utility model provides an so adopt the prism axle to be transmission shaft 322, because when making transmission shaft 322 prismatic, transmission structure 32's structure is simple relatively, simple to operate, and the structure is reliable.

Referring to fig. 6 and 11, the vacuum pumping apparatus 300 further includes a vacuum pumping tube 11 and an air pressure detecting unit 6. One end of the vacuum exhaust tube 11 passes through the base 21 to be communicated with the vacuum chamber 2, the other end is communicated with the vacuum pump 2, and the vacuum pump 2 is communicated with the vacuum chamber 2 through the vacuum exhaust tube 11 to further vacuumize the vacuum chamber 2. The air pressure detecting unit 6 detects the air pressure in the vacuum chamber 2. When the vacuum pump 1 vacuumizes the vacuum chamber 2, the air pressure value in the vacuum chamber 2 is gradually reduced, when the air pressure value measured by the air pressure detection unit 6 reaches a preset value, the vacuum pump 1 is controlled to stop working after the air pressure value is considered to finish the vacuum pumping operation on the storage bag. Referring to fig. 10 and 11, the vacuum pumping apparatus 300 further includes a mounting housing 12, the mounting housing 12 is detachably and fixedly connected to the rear side wall of the base 21, and the vacuum pump 1, the vacuum pumping tube 11 and the air pressure detecting unit 5 are mounted inside the mounting housing 12. When the vacuum pumping device 300 is assembled, the vacuum pump 1, the vacuum exhaust tube 11 and the air pressure detection unit 5 can be installed and fixed in the installation shell 12 to form a module, then the module is integrally and fixedly connected with the base 21, the installation difficulty of the vacuum pumping device 300 can be reduced through modularized installation, the assembly efficiency is improved, and the manufacturing cost of the vacuum pumping device 300 is reduced.

In order to further enhance the automation degree of the vacuum extractor 300, as shown in fig. 5 and 9, the vacuum extractor 300 further includes an in-position detecting unit 5, the in-position detecting unit 5 is located between the upper cover 22 and the base 21, and the in-position detecting unit 5 is used for detecting the relative position relationship between the upper cover 22 and the base 21. When the driving assembly 3 drives the upper cover 22 to rotate around the rotating shaft 4 to seal the vacuum chamber 2, the upper cover 22 and the base 21 are close to each other, the upper cover 22 in-place detection unit 5 is in contact, the in-place detection unit 5 detects the position of the upper cover 22 relative to the base 21, when the upper cover 22 presses the in-place detection unit 5 to a certain position, the upper cover 22 and the base 21 are considered to be matched with each other to seal the vacuum chamber and seal the vacuum chamber 2, and at the moment, the vacuum pump 1 is started, and the vacuum pump 1 vacuumizes the vacuum chamber 2.

Alternatively, the in-place detecting unit 5 is a cylindrical switch, as shown in fig. 10, when the in-place detecting unit 5 is a cylindrical switch, a connecting assembly 52 is disposed between the driving motor 31 and the cylindrical switch, the connecting assembly 52 is used for connecting the cylindrical switch and the driving motor, when the upper cover 22 rotates in a direction approaching the base 21, the cylindrical switch is touched and pressed, and when the upper cover 21 presses the cylindrical switch to a predetermined position, the cylindrical switch turns off the driving motor 31 through the connecting assembly 52.

In order to facilitate the installation and fixation of the in-place detection unit 5, a detection unit installation groove 51 for installing and fixing the in-place detection unit 5 is formed in the base 21, the shape and size of the detection unit installation groove 51 are matched with the in-place detection unit 5, and the in-place detection unit 5 is located in the detection unit installation groove 51 and is fixedly connected with the base 21.

After the vacuum pump 1 is matched with the vacuum chamber 2 to evacuate the air in the storage bag, in order to prevent the air from entering the storage bag again after the storage bag is taken out, the storage bag needs to be sealed. In this embodiment, as shown in fig. 5, the storage bag is sealed by using a hot melting method, the vacuum pumping apparatus 300 further includes a sealing assembly 7, and the sealing assembly 7 is used for sealing the storage bag after vacuum pumping.

Referring to fig. 14 and 15, closure assembly 7 includes a heating strip 71 and an insulating strip 72, such that when the opening of the pouch is inserted between cover 22 and base 21, the mouth of the pouch is positioned between heating strip 71 and insulating strip 72; one of the heating strips 71 and the heat insulating strips 72 is fixed to the upper cover 22, and the other is fixed to the base 21. In this embodiment, as shown in fig. 7 and 15, the heating strips 71 are fixedly connected to the lower surface of the upper cover 22, and the lower surface of the upper cover 22 is provided with heating strip installation grooves 711 for installing and fixing the thermolysis strips 71. As shown in fig. 6 and 15, the heat insulating strips 72 are fixedly connected to the upper surface of the base 21, and heat insulating strip mounting grooves 721 for mounting and fixing the heat insulating strips 72 are provided in positions corresponding to the heating strip mounting grooves 711 on the base 21. The upper cover 22 and the base 21 are rotatably connected by a rotating shaft 4, the rotating shaft 4 is positioned at one side of the vacuum chamber 2, and the heating strips 71 and the heat insulating strips 72 are positioned at one side of the vacuum chamber 2 far away from the rotating shaft 4. Usually, the storage bag is inserted into the vacuum chamber 2 along a direction perpendicular to the rotating shaft 4, the extending direction of the heating strip 71 is the same as the extending direction of the rotating shaft 4, the extending direction of the heating strip 71 can be the same as the width direction of the storage bag, and the storage bag is sealed by hot melting along the width direction of the storage bag. The heat insulating strips 72 are matched with the heating strips 71 to clamp the mouth of the storage bag in the middle, so that the storage bag is convenient to seal, therefore, when the upper cover 22 and the base 21 are matched to seal the vacuum chamber 2, as shown in fig. 14, the heat insulating strips 72 are attached to the heating strips 71, and the shape and the extending direction of the heat insulating strips 72 are the same as those of the heating strips 71.

In some embodiments, as shown in fig. 2 and 3, the door body 100 is provided with a control panel 8 covering the outer side of the installation cavity 101; an operation opening 81 is formed on the control panel 8, and a bag opening of the storage bag penetrates through the operation opening 81 and then is inserted between the upper cover 22 and the base 21. The vacuum extractor 300 further comprises a control assembly 9 disposed on the control panel 8, wherein the control assembly 9 is configured to receive an operation instruction from a user, and control the vacuum extractor 300 to complete a corresponding operation process according to the operation instruction. Optionally, as shown in fig. 3, the control assembly 9 includes an instruction input unit 91 and a control circuit board 92, where the instruction input unit 91 is configured to receive a user instruction, and the control circuit board 92 controls the vacuum pumping device 300 to complete corresponding operations according to the user instruction. The instruction input unit 91 is electrically connected with the control circuit board 92, and the control circuit board 92 is further electrically connected with the vacuum pump 1, the driving motor 31, the in-place detection unit 5 and the air pressure detection unit 6 respectively; so that the control circuit board 92 controls the operation of the vacuum apparatus 300 according to the operation command inputted to the command input unit 91 by the user.

Optionally, the instruction control unit 91 may be a button switch, or a switch in a voice control mode, or a touch screen control switch, and the like. Referring to fig. 3, when the command control unit 91 is a push button switch, the push button switch is fixed on the front sidewall of the control panel 8 for convenience of operation, and the control circuit board 92 is fixed on the rear sidewall of the control panel 8 for protection of the control circuit board 92. At this time, in order to facilitate electrical connection of the button switch with the control circuit board 92, a relief hole 82 for mounting and fixing the button switch is provided on the control panel 8; the push button switch is electrically connected to the control circuit board 92 through the relief hole 82. Wherein the front side wall of the control panel 8 refers to the side wall of the control panel 8 away from the base 21 and the upper cover 22.

It should be noted that, in some embodiments, the control panel 8 may also be a display panel, and when the control panel 8 is a display panel, the display panel is electrically connected to the control component 9, and the display panel is used for displaying various parameters of the vacuum pumping apparatus 300 during operation, such as the air pressure value in the vacuum chamber 2; the temperature of the heating bar 71 is heated at the time of sealing.

In this embodiment, as shown in fig. 4, the base 21 is located below the upper cover 22; as shown in fig. 6, the upper surface of the base 21 is recessed downward to form a first groove 211, and as shown in fig. 7, the lower surface of the upper cover 22 is recessed upward to form a second groove 222 at a position corresponding to the first groove 211. As shown in fig. 14 and 15, when the upper cover 22 is attached to the base 21, the first recess 211 and the second recess 222 cooperate to form the vacuum chamber 2.

When the upper cover 22 abuts against the base 21 and the first recess 211 and the second recess 222 cooperate to form the vacuum chamber 2, the base 21 and the upper cover 22 are usually made of a material with good elastic hardness, such as metal or hard plastic, in order to increase the structural strength of the vacuum pumping device 300, so that the sealing performance of the vacuum chamber 2 at the joint between the upper cover 22 and the base 21 is poor. In order to solve the problem of preventing the vacuum chamber 2 from leaking at the joint of the upper cover 22 and the base 21, in the embodiment, as shown in fig. 14, a first annular sealing strip 23 is arranged on the circumference of the first groove 211, a second annular sealing strip 24 matched with the first annular sealing strip 23 is arranged on the circumference of the second groove 222, the first annular sealing strip 23 is matched with the second annular sealing strip 24 to seal the vacuum chamber 2, and when the vacuum pump 1 performs vacuum pumping on the vacuum chamber 2, the vacuum chamber 2 is ensured to be a relatively closed space.

In order to facilitate the installation and fixation of the first annular sealing strip 23 and the second annular sealing strip 24, in the present embodiment, as shown in fig. 6, on the base 21, a first installation groove 231 for installing and fixing the first annular sealing strip 23 is provided at a position of the first annular sealing strip 23; as shown in fig. 7, a second mounting groove 241 for mounting and fixing the second annular weather strip 24 is provided at a position corresponding to the first mounting groove 231 on the upper cover 22.

It should be noted that the storage bag is usually a storage bag with a texture on its inner wall, and when the storage bag is sandwiched by the first annular sealing strip 23 and the second annular sealing strip 24, the storage bag and the first annular sealing strip 23, and the storage bag and the second annular sealing strip 24 are sealed, but there is a gap between the upper and lower layers of plastic of the storage bag, so that the storage bag can communicate with the vacuum chamber 2.

Generally, as shown in fig. 1, 2 and 3, an opening of the installation cavity 101 is located on an outer side wall of the door body 100, and a small door 400 is disposed at the opening of the installation cavity 101 in order to increase the flatness of the outer surface of the door body 100 and improve the aesthetic appearance of the door body. The lower side of the small door 400 is hinged to the door body 100, and the upper side is connected to the door body 100 through the locker 500. When the vacuumizing operation is not needed, the small door is closed and is fixedly connected with the door body through the locking device 500, at the moment, the small door 400 is flush with the surface of other areas of the door body 100, specifically, the small door 400 is flush with the outer side wall of the door body 100, the flatness of the outer side wall of the door body 100 is not influenced, and then the whole appearance of the refrigerator is not influenced. When it is desired to evacuate the bag, the wicket 400 is rotated about its lower edge, exposing the interior evacuation device 300. Preferably, in order to further increase the practicability of the small door 400, the small door 400 is set to rotate only 90 degrees, when the vacuumizing operation is required, the small door 400 rotates 90 degrees, at this time, the small door 400 is perpendicular to the door body 100, the small door 400 forms a horizontal object placing table, and when the vacuumizing operation is required, the main body of the storage bag can be placed on the object placing table formed by the small door 400.

The utility model provides a following provides a the utility model discloses evacuating device's of refrigerator use mode and each part automation control process who mutually supports.

In this embodiment, due to the addition of the driving assembly 3, the in-place detection unit 5, and the air pressure detection unit 6, the instruction input unit 91 only needs to be provided with two instruction modules to complete all control of the vacuum assembly 300, and optionally, the instruction input unit 91 includes a start button and a stop button. When the storage bag needs to be vacuumized, the small door 400 is firstly operated, the small door 400 is opened, the small door rotates by 90 degrees to form a storage platform, and the storage bag needing to be vacuumized is placed on the storage platform formed by the small door 400. The mouth of the bag is then passed through the access opening 81 and extends between the lid 22 and base 21 and into the vacuum chamber 2. The starting button is operated, the control circuit board 92 responds and controls the driving component 3 to start to act, the driving component 3 drives the upper cover 22 to rotate around the rotating shaft 4, the upper cover 22 and the base 21 are pressed together, and the vacuum chamber 2 is sealed; at this time, the bag mouth of the storage bag is positioned in the vacuum chamber 2, is communicated with the vacuum chamber 2 and forms a closed space together with the vacuum chamber 2. When the upper cover 22 rotates around the rotating shaft 4, the upper cover 22 contacts with the in-place detection unit 5 and presses the in-place detection unit 5, and when the in-place detection unit 5 detects that the upper cover 22 and the base 21 are matched to seal the vacuum chamber 2, the in-place detection unit 5 controls the driving assembly 3 to stop working through the connecting assembly 52. After the driving assembly 3 stops working, the control circuit board 92 controls the vacuum pump 1 to start working, and the vacuum pump 1 starts to vacuumize the closed space formed by the vacuum chamber 2 and the storage bag. Meanwhile, the air pressure detection unit 6 detects the air pressure value in the vacuum chamber 2, and when the air pressure detection unit 6 detects that the vacuum degree in the vacuum chamber 2 meets the requirement, the air pressure detection unit 6 feeds back a signal and closes the vacuum pump 1 to finish the vacuumizing operation of the storage bag. After the storage bag is vacuumized, the control circuit board 92 controls the sealing device 7 to start to seal the bag opening of the storage bag, at the moment, the heating strip starts to heat, and the bag opening of the storage bag is sealed in a hot melting mode. After the sealing is completed, the stop button is operated, the driving assembly 3 drives the upper cover 22 to rotate reversely (compared with the rotating direction of the driving motor 31 when the start button is operated), the vacuum chamber 2 is opened by the upper cover 22, the storage bag is taken out, and the storage bag is put into a storage chamber (a refrigerating chamber, a freezing chamber or a temperature changing chamber) in the refrigerator for storage. Finally, the wicket 400 is closed. The utility model discloses refrigerator, evacuating device 300's degree of automation is high, and user operation is convenient and fast, can promote user's use and experience.

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

The above description is only for the specific embodiments of the present application, but the scope of the present application 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 application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (11)

1. A refrigerator, comprising:

the door body is provided with an installation cavity;

a vacuum extractor arranged in the mounting cavity and used for vacuum-extracting the storage bag, which is characterized in that,

the vacuum-pumping device comprises:

the vacuum chamber is defined by a base and an upper cover, the upper cover is rotatably connected with the base through a rotating shaft, and the vacuum chamber is opened or closed when the upper cover rotates around the rotating shaft; the bag opening of the storage bag extends into the vacuum chamber from the space between the base and the upper cover and is communicated with the vacuum chamber;

the vacuum pump is communicated with the vacuum chamber and is used for vacuumizing the vacuum chamber;

the drive assembly, the drive assembly is used for driving the upper cover rotates around the pivot, opens or seals vacuum chamber, the drive assembly includes:

a drive motor;

the transmission structure is used for transmitting the power generated by the driving motor to the upper cover to drive the upper cover to rotate to open or close the vacuum chamber; the transmission structure includes:

and when the driving motor drives the rocker to rotate around the output shaft of the driving motor, the rocker drives the upper cover to rotate around the rotating shaft.

2. The refrigerator according to claim 1,

the first end of the rocker is connected with an output shaft of the driving motor, the second end of the rocker is connected with the upper cover in a sliding manner, and the sliding direction of the second end of the rocker is vertical to the axial direction of the rotating shaft;

when the driving motor drives the rocker to rotate around the output shaft of the driving motor, the second end of the rocker slides on the upper cover to drive the upper cover to rotate around the rotating shaft.

3. The refrigerator according to claim 2,

the side wall of the upper cover is provided with a sliding groove, the extending direction of the sliding groove is perpendicular to the rotating shaft, and the second end of the rocker is provided with a sliding block matched with the sliding groove;

when the rocker rotates around the output shaft of the driving motor, the sliding block slides in the sliding groove to drive the upper cover to rotate around the rotating shaft.

4. The refrigerator according to claim 2,

the number of the rocking bars is two, the two rocking bars are respectively positioned on two opposite sides of the vacuum chamber, and the two rocking bars move synchronously.

5. The refrigerator according to claim 4,

the transmission structure further includes:

the extending direction of the transmission shaft is parallel to the rotating shaft, one end of the transmission shaft is connected with the output shaft of the driving motor, and the other end of the transmission shaft is connected with the first end of the rocker; and the number of the first and second electrodes,

the driving motor is located in the middle of the two rocking rods and is connected with the two rocking rods through the two transmission shafts respectively.

6. The refrigerator according to claim 1,

the vacuum pumping device further comprises:

one end of the vacuum exhaust pipe penetrates through the base to be communicated with the vacuum chamber, and the other end of the vacuum exhaust pipe is communicated with the vacuum pump;

an air pressure detecting unit for detecting air pressure in the vacuum chamber;

the vacuum pump, the vacuum exhaust tube and the air pressure detection unit are arranged in the installation shell.

7. The refrigerator according to claim 1,

the vacuumizing device further comprises an in-place detection unit, the in-place detection unit is located between the upper cover and the base, and when the upper cover and the base are matched to seal the vacuum chamber, the in-place detection unit is used for detecting the in-place condition of the upper cover.

8. The refrigerator according to claim 1,

the vacuumizing device also comprises a sealing assembly, and the sealing assembly is used for sealing the vacuumized storage bag; and the closure assembly comprises:

the heating strip is fixedly connected with one of the upper cover and the base, the heating strip is positioned on one side of the vacuum chamber far away from the rotating shaft, and the extending direction of the heating strip is the same as that of the rotating shaft; and

the heat insulation strip is fixedly connected with the other one of the upper cover and the base, and when the upper cover and the base are matched to seal the vacuum chamber, the heat insulation strip is attached to the heating strip.

9. The refrigerator according to any one of claims 1 to 8, wherein a control panel covering the outer side of the installation cavity is arranged on the door body; an operation opening is formed in the control panel, and a bag opening of the storage bag penetrates through the operation opening and then is inserted between the upper cover and the base;

the control panel is also provided with a control assembly, and the control assembly is used for receiving an operation instruction of a user and controlling the vacuumizing device to complete a corresponding operation process according to the operation instruction.

10. The refrigerator according to any one of claims 1 to 8,

the upper surface of the base is downwards sunken to form a first groove, and a first annular sealing strip is arranged in the circumferential direction of the first groove;

the lower surface of the upper cover is recessed upwards at a position corresponding to the first groove to form a second groove, and a second annular sealing strip matched with the first annular sealing strip is arranged in the circumferential direction of the second groove;

the first groove and the second groove are matched to form the vacuum chamber, and the first annular sealing strip and the second annular sealing strip are matched to seal the vacuum chamber.

11. The refrigerator according to any one of claims 1 to 8,

the opening of the installation cavity is located on the outer side wall of the door body, the door body is provided with a small door in the area where the installation cavity is located, the lower side of the small door is hinged to the door body, the upper side of the small door is connected with the door body through a locking device, and the small door is flush with the surfaces of other areas of the door body after being closed.

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