CN210772946U - A kind of refrigerator - Google Patents

Abstract

The utility model discloses a refrigerator, be equipped with vacuum packaging device on the door body of refrigerator, vacuum packaging device includes: the lower support is detachably connected to the door body; the upper support and/or the lower support are provided with open cavities on the opposite surfaces of the upper support and/or the lower support; the upper support can move towards or away from the lower support under the driving of the driving device; the upper support moves towards the direction close to the lower support, the upper support is in butt joint with the lower support, and the opening cavity is sealed by the sealing part to form a vacuum-pumping area; the outer side of the door body is provided with a bar counter door at the area where the vacuum packaging device is located, the lower end of the bar counter door is hinged with the door body through a damping device, and the upper end of the bar counter door is connected with the door body through a clamping device. The refrigerator of the utility model can carry out vacuum packaging treatment on the storage bag filled with food materials; food materials stored in various compartments of the refrigerator can be subjected to vacuumizing preservation treatment, so that the preservation range is expanded; in addition, the lower support of the vacuum packaging device can be detached and washed, and is convenient for users to use.

Description

A kind of refrigerator

Technical Field

The utility model relates to a the utility model belongs to the household electrical appliances field, in particular to 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 vacuum preservation technology applied to the refrigerator at present mainly comprises the steps that a sealed drawer is arranged in the refrigerator, and the drawer is vacuumized through a small vacuum pump arranged outside the drawer, so that the drawer is kept in a negative pressure state, and the preservation of food materials in the drawer is realized. This preservation method has the following limitations: 1. because the vacuum pumping treatment is realized by a vacuum pump, the vacuum pump can occupy part of the storage space of the refrigerating chamber; 2. the drawer is required to be sealed in the fresh-keeping mode, otherwise, the vacuum state cannot be formed in the drawer, and therefore higher requirements are provided for the forming and assembling processes of the drawer; 3. the fresh-keeping mode can only keep food materials in the drawer fresh, and food materials in other areas of the refrigerator cannot be kept fresh.

Disclosure of Invention

The to-be-solved technical problem of the utility model is that current refrigerator is fresh-keeping effect unsatisfactory, and then proposes a cost lower, do not occupy the storage space and can all carry out fresh-keeping refrigerator to each regional edible material.

In order to solve the technical problem, the utility model discloses a refrigerator, include the storeroom and open or close the door body of storeroom, be equipped with vacuum packaging hardware on the door body, vacuum packaging hardware includes: the upper support and the lower support are vertically corresponding in position, wherein the lower support is detachably connected to the door body; the upper support and/or the lower support are provided with open cavities on the opposite surfaces of the upper support and/or the lower support; the upper support can move towards or away from the lower support under the driving of a driving device; the upper support moves towards the direction close to the lower support until the upper support is in butt joint with the lower support, and the open cavity is sealed by a sealing part to form a vacuumizing area; the outer side of the door body is provided with a bar counter door at the area where the vacuum packaging device is located, the lower end of the bar counter door is hinged with the door body through a damping device, and the upper end of the bar counter door is connected with the door body through a clamping device.

The technical scheme of the utility model prior art relatively has following technological effect:

the refrigerator of the utility model is provided with the vacuum packaging device on the door body, which can carry out vacuum packaging treatment on the storage bag which is about to be put into the refrigerator and is filled with food materials; compared with the existing vacuum drawer, the vacuum packaging device of the utility model can vacuumize and preserve food materials stored in various compartments of the refrigerator, thereby enlarging the preservation range; in addition, the lower support of the utility model is detachably connected with the door body, so that a user can detach and clean the door body; the outside of the door body is in the regional department in vacuum packaging device place is equipped with the bar counter door, and when the bar counter door was opened, the user can be with treating that the encapsulation bag is placed on the bar counter door and carry out evacuation encapsulation and handle, and bar counter door is closed the back, can guarantee refrigerator outward appearance wholeness.

Drawings

The objects and advantages of the present invention will be understood from the following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural view of a refrigerator according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a refrigeration door body in embodiment 1 of the present invention;

fig. 3 is an exploded view of a refrigeration door body in embodiment 1 of the present invention;

FIG. 4 is an exploded view of the connection between the bar counter door and the door body according to embodiment 1 of the present invention;

FIG. 5 is a schematic view of the bar door and the damping device according to embodiment 1 of the present invention;

FIG. 6 is an exploded view of another connection mode of the bar counter door and the door body according to embodiment 1 of the present invention;

fig. 7 is a side cross-sectional view of the vacuum packaging apparatus of the present invention;

fig. 8 is a schematic structural view of the upper support of the vacuum packaging apparatus of the present invention in the forward and reverse directions;

fig. 9 is an assembly view of the upper support, the driving device and the vacuum pumping assembly in the vacuum packaging apparatus of the present invention;

fig. 10 is an exploded view of the upper support, the driving device and the vacuum pumping assembly in the vacuum packaging apparatus of the present invention;

FIG. 11 is a diagram showing a connection relationship between an upper support and a filtering container in the vacuum packaging apparatus of the present invention;

FIG. 12 is a diagram showing the connection relationship between the upper support and the filter net in the vacuum packaging apparatus of the present invention;

fig. 13 is an exploded view of the upper support, the heating device and the sealing ring of the present invention;

fig. 14 is a partial sectional view of the upper support of the present invention connected to a heating device;

fig. 15 is a schematic view of the connection relationship between the upper support and the driving device in the initial position of the present invention;

fig. 16 is a schematic view of the connection relationship between the upper support and the driving device in the lowered position of the present invention;

fig. 17A is a schematic structural view of a lower support, a heat-insulating small door and a door body in a locked state in embodiment 1 of the present invention;

fig. 17B is a schematic structural view of the lower support, the heat-insulating small door and the door body in an unlocked state in embodiment 1 of the present invention;

fig. 17C is a schematic structural view of the lower support and the heat-insulating small door removed from the door body in embodiment 1 of the present invention;

fig. 18 is a schematic view of the forward and reverse structures of the heat-insulating wicket and the lower support in the assembled state according to embodiment 1 of the present invention;

fig. 19 is an exploded view of the heat-insulating wicket, the lower support and the latch hook assembly in embodiment 1 of the present invention;

fig. 20 is a schematic structural view of the heat-insulating small door to which the latch assembly is mounted in embodiment 1 of the present invention;

fig. 21 is a partial sectional view of the latch hook assembly installed on the thermal insulating wicket in embodiment 1 of the present invention;

fig. 22 is a perspective view of the lower latch hook in embodiment 1 of the present invention;

fig. 23 is a schematic view of the forward and reverse structures of the upper latch hook according to embodiment 1 of the present invention;

fig. 24A is a schematic structural view of a lower support, a heat-insulating small door and a door body in a locked state in embodiment 2 of the present invention;

fig. 24B is a schematic structural view of the lower support and the heat-insulating small door removed from the door body in embodiment 2 of the present invention;

fig. 25 is an exploded view of the heat-insulating wicket, the lower support and the latch hook assembly in embodiment 2 of the present invention;

fig. 26A is a schematic structural view of a lower support, a heat-insulating small door and a door body in a locked state in embodiment 3 of the present invention;

fig. 26B is a schematic structural view of the small heat-insulating door and the door body in an unlocked state in embodiment 3 of the present invention;

fig. 26C is a schematic structural view of the lower support and the heat-insulating small door removed from the door body in embodiment 3 of the present invention;

fig. 27 is a schematic structural view of a refrigerator according to embodiment 4 of the present invention;

fig. 28 is an exploded view of the refrigeration door body in embodiment 4 of the present invention;

fig. 29 is a schematic structural view of a refrigerator according to embodiment 5 of the present invention;

fig. 30 is an exploded view of a refrigeration door body in embodiment 5 of the present invention;

fig. 31 is an exploded view of a lower support in embodiment 5 of the present invention;

fig. 32A is a schematic structural view of a lower support and a door body in a locked state in embodiment 5 of the present invention;

fig. 32B is a schematic structural view of a state in which the lower mount is detached from the door body in embodiment 5 of the present invention;

fig. 33A is a schematic structural view of a lower support and a door body in a locked state according to embodiment 6 of the present invention;

fig. 33B is a schematic structural view of a state in which the lower bracket is detached from the door body in embodiment 6 of the present invention.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally 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 invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

Fig. 1 is a perspective view of a specific embodiment of a refrigerator according to the present invention; referring to fig. 1, the refrigerator 1 of the present embodiment has an approximately rectangular parallelepiped shape. The refrigerator 1 has an external appearance defined by a storage chamber 100 defining a storage space and a plurality of door bodies 200 disposed in the storage chamber 100, wherein, referring to fig. 2, the door body 200 includes a door body outer shell 210 located outside the storage chamber 100, a door body inner container 220 located inside the storage chamber 100, an upper end cover 230, a lower end cover 240, and an insulating layer located between the door body outer shell 210, the door body inner container 220, the upper end cover 230, and the lower end cover 240; typically, the thermal insulation layer is filled with a foam material.

The storage chamber 100 has an open cabinet, and the storage chamber 100 is vertically partitioned into a lower freezer compartment a and an upper refrigerator compartment 100B. Each of the partitioned spaces may have an independent storage space. In detail, the freezing compartment 100A is located at a lower side of the storage compartment 100 and may be selectively covered by a drawer type freezing compartment door a. The space above the freezing chamber 100A is partitioned into left and right sides to form a refrigerating chamber 100B, respectively, and the refrigerating chamber 100B may be selectively opened or closed by a refrigerating chamber door body 200B pivotably mounted on the refrigerating chamber 100B.

As shown in fig. 3 and 7, a vacuum packaging device 300 is arranged on the door body 200 of the refrigerator, and the vacuum packaging device 300 is used for vacuumizing and plastic packaging a storage bag; the vacuum sealing apparatus 300 may be installed on the freezing door 200A or the refrigerating door 200B, and since the refrigerating door 200B is located at the upper side, it is generally preferable to be installed on the refrigerating door 200B in order to meet the use habit of the user.

Fig. 7 to 20 show an embodiment of the vacuum packaging apparatus 300, and in this embodiment, as shown in fig. 7, the vacuum packaging apparatus 300 includes: the lower support 310 is provided with a first open cavity 311; the upper support 320 is provided with a second open cavity 321, the upper support 320 can move towards or away from the lower support 310 under the driving of a driving device 340, and after the upper support 320 moves to a position close to the lower support 310, the first open cavity 311 is in butt joint with the second open cavity 321 and sealed to form the vacuum-pumping region 301. The vacuum packaging device 300 realizes locking and unlocking of the lower support 310 and the upper support 320 by controlling automatic lifting of the driving device 340, realizes automatic vacuum packaging, and improves the intelligent degree of the refrigerator.

Specifically, in order to improve the sealing property of the vacuum-pumping region 301, as shown in fig. 7, a sealing portion for sealing the vacuum-pumping region 301 is provided on a surface of the lower support 310 opposite to the upper support 320. Specifically, the lower support 310 is provided with a first sealing groove 313 on the periphery of the first open cavity 311, the upper support 320 is provided with a second sealing groove 323 on the periphery of the second open cavity 321, and the first sealing groove 313 and the second sealing groove 323 are opposite and are provided with a sealing ring 350 inside. The two sealing rings 350 arranged in the first sealing groove 313 and the second sealing groove 323 seal the vacuum-pumping region 301 on the inside, so that a reliable sealing of the vacuum-pumping region 301 is achieved.

Specifically, as shown in fig. 8, a position-limiting portion is disposed in the first open cavity 311 or the second open cavity 321, and is used for limiting an insertion position of the storage bag inserted into the vacuum-pumping area 301, so as to prevent an opening position of the storage bag from extending out of the vacuum-pumping area 301; specifically, the limiting part is a limiting rib 322 arranged in the first open cavity 311 or the second open cavity 321, and the height of the limiting rib 322 is greater than the depth of the first open cavity 311 or the second open cavity 321; the length of the limiting rib 322 is slightly less than the length of the first open cavity 311 or the second open cavity 321. When a user inserts the storage bag into the vacuum-pumping area 301, the limiting rib 322 can block the storage bag from being inserted inwards continuously; in other embodiments, the vacuum-pumping area 301 may further include an in-place detection device, specifically, a microwave sensor or an infrared sensor may be used to detect whether an object bag inserted into the vacuum-pumping area 301 exists, and further send a signal indicating whether the object bag is in place to the controller, and the controller may control the vacuum pump to be turned on according to the in-place signal. Whether the storage bag is in place or not can be automatically detected by arranging the in-place detection device, and the controller can further automatically control the on-off of the vacuum pump.

The vacuum packaging apparatus 300 further comprises a vacuum-pumping assembly 330, as shown in fig. 9 and 10, the vacuum-pumping assembly 330 comprises a vacuum pump 331 communicating with the vacuum-pumping region 301 through a pipeline 335; the pipeline 335 is further provided with a pressure detection device 332 and a pressure relief device 333, wherein the pressure detection device 332 is specifically a pressure sensor and is used for detecting the pressure in the vacuum-pumping region 301; the pressure relief device 333 is specifically an electric pressure relief valve, and when the electric pressure relief valve is opened, the vacuum-pumping region 301 is relieved. When a user carries out vacuum-pumping packaging, the vacuum pump 331 is started to carry out vacuum-pumping processing on the vacuum-pumping area 301, and when the pressure detection device 332 detects that the pressure of the vacuum-pumping area 301 reaches a set negative pressure value, the controller controls the vacuum pump 331 to stop. The vacuum degree of the vacuum-pumping area 301 can be controlled by arranging the pressure sensor, and the vacuum pump 331 can be switched on and off according to the detection value of the pressure sensor, so that the vacuum-pumping effect is ensured. After the vacuumizing and packaging operations are completed, the vacuumizing area 301 can be automatically controlled to be decompressed by opening the electric decompression valve, so that a user can take out the storage bag conveniently. In order to prevent the foreign matters in the vacuuming region 301 from entering the vacuum pump 331 through the pipeline 335, the pipeline 335 further includes a filter protection device, in one embodiment, as shown in fig. 11, the filter protection device is specifically a filter container 334 connected in series on the pipeline 335, an inlet and an outlet are provided at an upper end of the filter container 334, the inlet is communicated with the vacuuming region 301 through a pipeline, and the outlet is communicated with the vacuum pump 331 through a pipeline; foreign matters in the vacuuming zone 301 enter the filter container 334 through the pipeline 335 and remain at the bottom of the filter container 334, so that the foreign matters are prevented from entering the vacuum pump 331. In order to clean the filtering container 334 conveniently, more specifically, the filtering container 334 comprises a tank body with an opening and an upper cover detachably connected to the tank body, the upper cover is provided with the inlet and the outlet, the tank body can be detached for cleaning during cleaning, and the problem that the pipeline 335 is poor in sealing performance due to frequent disassembly and assembly of the pipeline 335 is solved.

In another embodiment, as shown in fig. 12, the filter protection device is a filter screen 336 disposed on the pipeline 335, and specifically, for convenience of assembly and disassembly, the filter screen 336 is disposed at a position of the vent hole 324 at a position where the upper support 320 is connected to the pipeline 335, and after a user moves the upper support 320 to a highest position, the filter screen 336 can be assembled and disassembled from a lower side or cleaned.

The connecting hole between the vacuum-pumping region 301 and the pipeline 335 may be one, and certainly, in order to avoid vacuum-pumping failure caused by foreign matters blocking the connecting hole in the vacuum-pumping region 301 when a single connecting hole is used, the pipeline 335 may be connected in parallel by arranging two or more connecting holes to be respectively connected with the pipeline 335, and connected with a main pipe by a three-way or multi-way connector; wherein, the pressure sensor and the electronic pressure relief valve are arranged on the main pipe.

As shown in fig. 7, the vacuum packaging apparatus 300 further includes a packaging region 302 located outside the vacuum-pumping region 301, the packaging region 302 is used for performing plastic packaging treatment on the storage bag after vacuum-pumping is finished, and a heat insulation pad 360 and a heating apparatus 370 are arranged in the packaging region 302 in an opposite manner; specifically, the heating device 370 is mounted in a groove on the lower surface of the upper support 320; the heat insulation pad 360 is installed in a groove on the upper surface of the lower support 310 of the upper support 320; after the upper support 320 is moved into the evacuated region 301, which forms a seal with the lower support 310, the insulation mat 360 within the encapsulated region 302 rests against the heating device 370. After the vacuum pumping is completed, the storage bag can be rapidly plastic-sealed through the heating device 370 in the packaging area 302, and after the set time length of the heating device 370 is set, the driving device 340 is controlled to drive the upper support 320 to move upwards, so that a user can draw out the storage bag to complete the plastic sealing of the storage bag.

More specifically, as shown in fig. 13 and 14, the heating device 370 includes a heating wire 371, a heat conducting plate 373 is disposed below the heating wire 371, and the heating area of the heating wire 371 is used for diffusing the heat conducting plate 373 to increase the plastic packaging area of the storage bag, so that the plastic packaging is firm. The heater strip 371 is followed the length direction of upper bracket 320 extends and the upper bracket 320 both sides are upwards bent, heater strip 371 extends to the free end of upper bracket 320 upside is fixed in through an insulation board 372 on the upper bracket 320, specifically, insulation board 372 is made for insulating material, and the shaping is the board of bending, the cladding in the outside of heater strip 371 avoids heater strip 371 to expose in the outside. Furthermore, two free ends of the heating wire 371 are respectively connected with two wires led out through the wiring terminal 374 through the spring 375; the heating wire 371 can be always in a tensioned state by arranging the spring 375, so that the flatness of the heating wire 371 is high, and the heat conduction plate 373 positioned at the lower side of the heating wire 371 is tightly contacted with a storage bag; the problem that the heating wire 371 is uneven, so that the contact of individual positions is not solid and plastic cannot be sealed is solved.

In the vacuum pumping plastic package, the driving device 340 may be an electric driving device or an air pressure driving device; the pneumatic driving device occupies a large space, and therefore, in this embodiment, the driving device 340 is an electric driving device. Specifically, as shown in fig. 10, 15 and 16, the driving device 340 includes a motor 341 and a transmission mechanism, the transmission mechanism is configured to convert the rotational motion of the motor into a linear motion, and an output end of the transmission mechanism is connected to the upper support. The transmission mechanism comprises a first gear 342 fixedly connected to the output shaft of the motor; a second gear 343 meshed with the first gear 342; a third gear 344 fixedly connected with the second gear 343, and an output rack 345 engaged with the third gear 344, wherein a pin hole is formed at a lower side of the output rack 345, and the upper support 320 and the output rack 345 are connected by a pin 346 inserted into the pin hole. Through the above-mentioned transmission mechanism, the rotation of the motor 341 is converted into the up-and-down movement of the upper support 320.

Specifically, as shown in fig. 10, a connecting plate 347 is disposed between the upper support 320 and the driving device 340, the connecting plate 347 is in threaded connection with the upper support 320, a guide groove 3471 is formed on the connecting plate 347, the lower end of the output rack 345 is inserted into the guide groove 3471, the lower ends of the guide groove 3471 and the output rack 345 are respectively provided with a long-strip-shaped pin hole, the pin 346 is inserted into the pin holes of the guide groove 3471 and the output rack 345, a gap is formed between the lower end surface of the output rack 345 and the bottom of the guide groove 3471, and an elastic body 348 is disposed in the gap.

As shown in fig. 15, in the initial position, the upper support 320 is located at the highest position; in the pressing stage, as shown in fig. 16, the driving device 340 drives the upper support 320 to move downward, and in order to ensure that the lower support 310 is tightly matched with the upper support 320, a set rotation stroke of the motor 341 is usually used as a signal for determining the in-place position, so that after the upper support 320 moves downward to contact the lower support 310 by disposing the elastic body 348 between the output rack 345 and the guide groove 3471, the output rack 345 can continue to move downward for a certain distance, so that the elastic body 348 is compressed, the motor 341 is prevented from being locked, the motor 341 is protected, and the pressing force can be kept stable.

In the vacuum-pumping stage, the sealed vacuum-pumping region 301 formed between the lower support 310 and the upper support 320 moves downward under the action of atmospheric pressure due to the low air pressure, and at this time, when the upper support 320 moves downward due to the existence of the elongated pin hole, the output rack 345 remains in place, thus protecting the entire driving device 340.

In order to accurately control the moving displacement of the upper support 320, whether the upper support 320 moves to the position is judged, so that the vacuum-pumping area 301 forms a sealed space; in an embodiment, the motor 341 is a stepping motor 341, and whether the upper support 320 moves in place is determined by detecting a rotation stroke of the stepping motor 341. In another embodiment, a micro switch is disposed on the lower support 310 or the upper support 320; after the upper support 320 moves to the right position, the controller controls the driving device 340 to stop and lock at the current position according to a feedback signal of the micro switch by triggering the micro switch.

The driving device 340 can be provided as a single device, and the output gear is located in the middle area of the upper support 320, which is likely to cause the marginal area of the upper support 320 to be not tightly fitted with the lower support 310, resulting in air leakage of the vacuuming area 301; therefore, in order to provide the sealing performance of the vacuum-pumping region 301, the driving devices 340 are respectively disposed at both sides of the upper support 320. Correspondingly, one connecting plate 347 is provided, and the two guide grooves 3471 are provided on the connecting plate 347; the two output racks 345 respectively extend into the guide grooves 3471.

Specifically, as shown in fig. 9 and 10, the driving device 340 and the vacuum assembly 330 are mounted on the mounting seat 305 located on the upper side of the upper support 320. The upper support 320 is provided with a vent hole 324 for communicating with the vacuum pumping assembly 330. One side of the mounting base 305 is provided with three chambers, which include a vacuum pump mounting cavity 3051 located at the middle position and driving device mounting cavities 3052 located at the left and right sides.

In order to maintain the overall aesthetic property of the outer surface of the refrigerator door 200 and the convenience of applying the vacuum packaging device 300, as shown in fig. 3, the door shell 210 is provided with an inwardly recessed mounting cavity 211, the driving device 340 is connected with the upper support 320 and then connected to the mounting base 305 through screws, the vacuum pumping assembly 330 is connected with the vent holes 324 on the upper support 320 and then mounted on the mounting base 305, after an assembly is formed, the assembly is integrally mounted in the mounting cavity 211 through screws penetrating through lugs on two sides of the mounting base 305, the modular assembly of each part is realized, each part is not exposed on the outer surface, and the integrity of the device is better.

When a user uses the vacuum packaging device 300 to carry out plastic packaging on a food bag, particularly when powdery food such as flour or liquid is subjected to plastic packaging, the powder or the liquid may enter the vacuum-pumping region 301 during vacuum-pumping and finally accumulate in the first open cavity 311 of the lower support 310; therefore, in order to facilitate the user to clean the food waste in the lower holder 310, the lower holder 310 is detachably mounted with respect to the door body 200.

The manner of attaching the lower holder 310 to the door body 200 is not exclusive, and in the present embodiment, as shown in fig. 17A to 17C, the lower holder 310 may be detachably attached to the door body 200 from the inner side (i.e., the side having the inner container) of the door body 200. Since the door 200 of the refrigerator must ensure heat insulation, the lower holder 310 is provided with a heat-insulating small door 250 toward an inner portion of the storage chamber 100. As shown in fig. 17C, the door body 200 is provided with a mounting hole 201 communicating the inside and the outside, and the lower holder 310 and the heat-insulating small door 250 are inserted into the mounting hole 201 from the inside of the door body 200, so that the disassembly and cleaning of the lower holder 310 and the heat-insulating performance of the door body 200 are realized.

In one embodiment, as shown in fig. 18, the lower support 310 is integrally formed with the heat-insulating wicket 250; as shown in fig. 19 and 20, the lower holder 310 and the heat-insulating wicket 250 are formed by a first housing 251 and a second housing 252 having an open cavity structure and a heat insulator disposed between the first housing 251 and the second housing 252. The first housing 251 is connected with the second housing 252 in a snap-fit manner, an extension arm 2511 is disposed in the first housing 251 in a direction away from the second housing 252, the lower support 310 is formed on the extension arm 2511, the first opening cavity 311 is an opening groove formed on the upper side of the extension arm 2511, and a first sealing groove 313 is disposed on the periphery of the opening groove.

In order to further ensure the heat insulation of the door body 200 and prevent the cold leakage through the gap between the mounting hole 201 and the small heat-insulating door 250, as shown in fig. 19 and 20, a small door seal 253 is provided between the small heat-insulating door 250 and the door body inner 220. Specifically, a support arm 2512 is arranged at a position where the first housing 251 is matched with the door body inner container 220, and the size of the support arm 2512 is larger than that of the mounting hole 201. The support arm 2512 is provided with a mounting groove surrounding the mounting hole 201, and the small door seal 253 is mounted in the mounting groove.

Specifically, in order to ensure that the small heat-preservation door 250 is reliably fixed to the door body 200, a locking device 400 is arranged between the small heat-preservation door 250 and the door body inner container 220, and the locking device 400 is used for locking or unlocking the small heat-preservation door 250 to the door body 200.

As shown in fig. 17A to 17C, 18, and 19, the locking device 400 includes: set up and be in latch hook subassembly on the little door 250 that keeps warm, and set up locking groove 221 on the internal container 220 of door, the latch hook subassembly is including wearing to locate latch hook on the little door 250 that keeps warm, the latch hook can be in primary importance and second position conversion, the latch hook can with locking groove 221 cooperation is realized when primary importance the locking of little door 250 that keeps warm, the latch hook when the second place with locking groove 221 breaks away from, realizes the unblock of little door 250 that keeps warm.

Specifically, in order to improve the reliability of the locking device 400, two locking grooves 221 and two locking hooks are respectively provided, wherein the locking grooves 221 are located at upper and lower sides of the mounting hole 201. As shown in fig. 18-23, the latch hook assembly includes upper and lower latch hooks 420 and 410 and a return spring 430. As shown in fig. 22, the lower locking hook 410 includes a hooking portion 414 engaged with the locking groove 221 on the lower side, a hinge portion 412 rotatably connected to the thermal door 250, and a handle portion 411 positioned on the lower side of the thermal door 250, wherein the handle portion 411 and the hooking portion 414 are respectively positioned on both sides of the hinge portion 412. The lower latch hook 410 further includes a lower connection part 413 connected to the upper latch hook 420, wherein the lower connection part 413 extends above the handle part 411. Specifically, an end of the lower connection part 413 is formed as a T-shaped protrusion 4131. As shown in fig. 23, the upper locking hook 420 includes a hooking portion 421 engaged with the locking groove 221 on the upper side, and an upper connecting portion 423 connected to the lower locking hook 410. Specifically, the lower end of the upper connecting portion 423 is formed as an open groove 4231, and the T-shaped protrusion 4131 is inserted into the open groove 4231 to connect the upper locking hook 420 and the lower locking hook 410. The return spring 430 is arranged between the upper lock hook 420 and the upper end surface of the small heat-preservation door 250. More specifically, a connecting shaft 422 is formed on the upper locking hook 420, and the return spring 430 is sleeved on the connecting shaft 422.

As shown in fig. 18, a guide positioning portion is formed on an inner surface of the second housing 252, the upper connecting portion 423 is snapped on the guide positioning portion, and the upper latch hook 420 can slide along the guide positioning portion. Specifically, the guiding and positioning portion is a hook 2521 formed on the inner surface of the second housing 252, and the hook 2521 is located on both sides of the upper connecting portion 423 and extends a certain distance in the up-down direction. The upper connecting portion 423 is connected between the two hooks 2521.

In an initial state, under the action of the elastic force of the return spring 430, the upper latch hook 420 and the lower latch hook 410 are located at the first position to realize the locking of the small heat-preservation door 250 and the door body inner container 220; when a user pulls the lower locking hook 410 with a hand, the lower locking hook 410 rotates around the hinge part 412, the hook part 414 moves downward to be separated from the lower locking groove 221, meanwhile, the connecting part pushes the upper locking hook 420 upward to move, the upper locking hook 420 is separated from the upper locking groove 221, and the upper locking hook 420 and the lower locking hook 410 are located at the second position to unlock the heat-insulating small door 250 and the door body inner container 220.

In order to ensure the aesthetic appearance of the refrigerator door 200, referring to fig. 1 and 2, a bar counter door 260 is disposed on the refrigerator door 200 in the area where the vacuum packaging device 300 is located. As shown in fig. 4-6, the lower end of the bar door 260 is hinged to the door 200 through a damping device 280, which can ensure that the bar door 260 slowly rotates to a position perpendicular to the surface of the door housing 210; the upper end of the bar counter door 260 is connected to the door body housing 210 through a first push switch 212. By adopting the bar counter door 260 structure, the storage bag containing food can be placed on the bar counter door 260 and then vacuum packaging treatment is carried out under the state that the bar counter door 260 is opened, thereby facilitating the operation of a user. When the bar door 260 is closed, the appearance beauty of the door body 200 is ensured.

As shown in fig. 5, the damper device 280 includes a damper body 280A and a rotating shaft 280B rotatably coupled in the damper body 280A, wherein the rotating shaft 280B includes an extension protruding to an outside of the damper body.

Be equipped with erection support 261 on the bar counter door, erection support 261 is equipped with the mounting hole, attenuator body 280A nonrotatably connect in the mounting hole, the extension of axis of rotation with door body fixed connection. More specifically, the circumferential surface of the damper body 280A is provided with an anti-rotation protrusion extending axially, the mounting hole is correspondingly provided with an anti-rotation groove matching with the mounting hole, and the damper body 280A is inserted into the mounting hole and then is non-rotatably connected with the mounting support 261.

As an embodiment, as shown in fig. 4 and 5, the extension section is fixedly connected to the door body through a connecting assembly, the connecting assembly includes a sleeve 281 and a connecting plate 282, one end of the sleeve 281 is connected to the extension section in a non-rotating manner, and the other end of the sleeve 281 is connected to the connecting plate 282 in a non-rotating manner; the other end of the connecting plate 282 is connected to the door body 200 by screw threads; the boss 281 is rotatably coupled in the mounting hole. The shaft sleeve 281 and the connecting plate 282 are arranged to increase the connection strength between the damping device and the door body, so as to prevent the bar counter door from changing position due to insufficient strength when the rotating shaft 280B of the damping device is directly connected to the door body.

The connection mode that one end of the shaft sleeve 281 does not rotate relative to the extension section is not unique, specifically, as shown in fig. 5, the extension section is shaped into a flat cylinder, a first connection hole corresponding to the extension section is formed in the shaft sleeve 281, and the extension section is inserted into the first connection hole and is fixedly connected with the extension section through a pin shaft.

And a second connecting hole is formed at one end of the shaft sleeve matched with the connecting plate, and the connecting plate is inserted into the inner side of the second connecting hole.

As another embodiment, as shown in fig. 6, an extension of the rotating shaft 280B extends out of the outer surface of the mounting seat and is directly connected to the door body by a screw.

As shown in fig. 4, the inside of the bar counter door 260 further includes an operation panel 270 covering the outside of the installation cavity, an insertion port 271 is formed on the operation panel 270, and a lower surface of the insertion port 271 is flush with an upper surface of the first opening cavity 311. Thus, the vacuum packaging apparatus 300 can be entirely hidden behind the operation panel 270. When a user performs vacuum plastic packaging, the opening of the storage bag can be directly inserted from the insertion port 271 of the operation panel 270 and directly extend to the upper surface of the first open cavity 311, and when the upper support 320 moves downwards, the opening of the storage bag can be placed in the vacuum-pumping area 301. Specifically, the operation panel 270 is detachably connected to the door housing 210. The operation panel 270 is further provided with a display and control device 272, and the display and control device 272 includes an indicating device for displaying the working state of the vacuum packaging apparatus 300; and a control button for controlling the start or stop of the vacuum packaging apparatus 300. The user can determine whether the bag can be drawn out according to the operation state of the vacuum sealing apparatus 300 displayed by the display and control unit 272.

When a user applies the vacuum packaging device 300, a storage bag to be packaged is inserted through the insertion port 271 arranged on the operation panel 270, after the storage bag is inserted in place (the storage bag abuts against the limiting rib 322), the user triggers the starting button on the operation panel 270 to start the motor 341 to control the upper support 320 to descend, and controls the vacuum pump 331 to start after the upper support 320 moves in place (the vacuumizing area 301 is sealed), so as to vacuumize the vacuumizing area 301, wherein the storage bag is vacuumized through an opening of the storage bag positioned in the vacuumizing area 301; when the pressure sensor detects that the pressure value reaches a set negative pressure value, controlling the vacuum pump 331 to stop and simultaneously starting the heating device 370 to work, and controlling the electric pressure relief valve to start after the heating device 370 works for a set time; then controlling the linear motor 341 to start the upper support 320 to ascend until the first open cavity 311 is separated from the second open cavity 321; the display and control device 272 on the operation panel 270 indicates to the user that the bag can be drawn out, and the vacuum packaging of the bag is completed.

Example 2

The present embodiment 2 has substantially the same structure as the embodiment 1, except for the connection manner of the lower holder 310 and the thermal insulating wicket 250. Specifically, in this embodiment, as shown in fig. 24A and 24B, the lower holder 310 is detachably attached to the thermal door 250. As shown in fig. 25, the heat-retaining wicket 250 is formed of a first housing 251 and a second housing 252 having an open cavity structure and an insulator disposed between the first housing 251 and the second housing 252. The first housing 251 is connected with the second housing 252 in a snap-fit manner, the first housing 251 is provided with an extension arm 2511 in a direction away from the second housing 252, and the lower support 310 is detachably connected to the extension arm 2511.

Specifically, a first limiting portion extending upwards is formed at the end of the extension arm 2511, a second limiting portion matched with the first limiting portion is formed at the lower side of the lower support 310, and the first limiting portion and the second limiting portion are matched to position the lower support 310 on the extension arm 2511. More specifically, the first limiting portion is a limiting plate, the limiting portion is a baffle formed at the bottom of the lower support 310 and extending downwards, the baffle is inserted into the inner side of the limiting plate to install the lower support 310 on the extension arm 2511, and the problem that the sealing of the vacuum pumping area is not tight due to the fact that the lower support 310 moves in the horizontal direction is avoided.

In order to further ensure the heat insulation of the door body 200 and avoid the cold leakage through the gap between the mounting hole 201 and the small heat-insulating door 250, a small door seal 253 is arranged between the small heat-insulating door 250 and the door body inner container 220. Specifically, a support arm 2512 is arranged at a position where the first housing 251 is matched with the door body inner container 220, and the size of the support arm 2512 is larger than that of the mounting hole 201. The support arm 2512 is provided with a mounting groove surrounding the mounting hole 201, and the small door seal 253 is mounted in the mounting groove.

Specifically, in order to ensure that the small heat-insulating door 250 is reliably fixed to the door body 200, a locking device 400 is provided between the small heat-insulating door 250 and the door body inner container 220.

As shown in fig. 25, the locking device 400 includes: the locking hook 440 is hinged to the bottom of the small heat-preservation door 250, and the middle part of the locking hook 440 is provided with a hinged shaft for connecting with the small heat-preservation door 250 and is connected to the small heat-preservation door 250; the door further comprises a locking groove which is formed on the door body inner container 220 and matched with the locking hook; and a reset torsion spring 450 sleeved on the hinge shaft; one leg of the reset torsion spring is abutted against the small heat preservation door 250, and the other leg of the reset torsion spring is abutted against the locking hook 440; in the initial state, the torsion of the return torsion spring 450 is suitable for the latch hook 440 to be at the first position, so that the heat-preservation wicket 250 can be mounted on the door body.

Specifically, in order to improve the aesthetic property of the small door, a mounting groove is formed at the bottom of the small door, and the lock hook is mounted inside the mounting groove. Fig. 24A and 24B show a process of detaching the thermal door 250 and the lower holder 310. When the small heat-preservation door 250 and the lower support 310 are mounted on the door body 200, the locking hooks are matched with the locking grooves, so that the locking state of the small heat-preservation door 250 is realized; when the heat-insulating small door 250 and the lower support 310 need to be disassembled, the locking hook is pulled to be away from the locking groove, the locking device 400 is in an unlocking state, the heat-insulating small door 250 and the lower support 310 are pulled out, and the lower support 310 is taken out of the heat-insulating small door 250 to clean the lower support 310. In this embodiment, the lower support 310 is detachably connected to the heat-insulating wicket 250, so that the lower support 310 can be cleaned more easily and conveniently.

Example 3

The structure of the present embodiment 2 is substantially the same as that of the present embodiment 1, except for the connection manner of the lower holder 310 and the heat-insulating small door 250 with the door body 200.

As shown in fig. 26A to 26C, the lower support 310 and the small heat-insulating door 250 are arranged independently, a limiting portion for limiting the position of the lower support 310 is arranged at the lower side of the mounting hole 201, one end of the lower support 310 abuts against the limiting portion, and the other end of the lower support 310 abuts against the small heat-insulating door 250. The heat-insulating small door 250 can be mounted on the door body 200 by using the locking device 400 in embodiment 1 or embodiment 2.

Example 4

The present embodiment 4 has substantially the same structure as that of the embodiment 1, except for the structure of the door body 200 at the region where the vacuum sealing apparatus 300 is located.

Specifically, in the present embodiment, referring to fig. 27 and 28, in order to ensure the aesthetic appearance of the refrigerator door 200 and prevent the vacuum sealing device 300 from being exposed outside the door 200, a sub-door 280 is disposed at a region of the door 200 where the vacuum sealing device 300 is located, the width of the sub-door 280 is the same as that of other regions of the door 200, the sub-door 280 is connected to the region by means of clamping or bonding, and the surface of the sub-door 280 is flush with the surface of the other regions of the door 200. The sub-door 280 is formed with a socket 281, and a lower surface of the socket 281 is flush with an upper surface of the first open cavity 311. When a user performs vacuum plastic packaging, the opening of the storage bag can be directly inserted from the insertion port 281 of the sub-door plate 280 and directly extend to the upper surface of the first open cavity 311, and when the upper support 320 moves downwards, the opening of the storage bag can be placed in the vacuum-pumping area 301. The auxiliary door panel 280 is further provided with a display and control device 282, and the display and control device 282 comprises an indicating device for displaying the working state of the vacuum packaging device 300; and a control button for controlling the start or stop of the vacuum packaging apparatus 300. The user can determine whether the bag can be withdrawn based on the operating state of the vacuum packaging apparatus 300 displayed by the indicating means.

Example 5

The present embodiment 5 has substantially the same structure as the embodiment 1, except for the manner in which the lower holder 310 is mounted to the door body 200.

Specifically, as shown in fig. 29 to 31, in the present embodiment, the lower holder 310 is detachably attached to the door body 200 from the outside of the door body 200.

More specifically, the lower holder 310 is detachably connected to the door body 200 in a spring-pushing manner. As shown in fig. 30 and 31, a second push switch 380 is disposed on a connection surface of the lower holder 310 and the door body 200, and the second push switch 380 includes a push latch 381 and a lock catch 382; a groove provided with the lock 382 is formed on the inner side surface of the lower support 310, and the push latch 381 is fixed on the outer surface of the door body 200.

As shown in fig. 32A, when the lower holder 310 is pushed in the vertical direction of the door body 200, the push latch 381 engages with the lock catch 382, and the lower holder 310 is mounted on the door body 200; as shown in fig. 32B, when the lower holder 310 is pushed again, the push latch 381 releases the latch 382, so that the lower holder 310 can be removed from the door body 200. The user can clean the lower support 310 alone, which is convenient for the user to operate.

Example 6

The present embodiment 6 has substantially the same structure as the embodiment 5, except for the manner in which the lower holder 310 is mounted to the door body 200.

Specifically, in the present embodiment, as shown in fig. 33A and 33B, the lower holder 310 is detachably attached to the door body 200 from the outside of the door body 200.

More specifically, the lower holder 310 is detachably connected to the door body 200 in a snap-fit manner. The lower support 310 and the door body 200 are respectively formed with a first clamping portion 391 and a second clamping portion 392 which are matched with each other, wherein the first clamping portion 391 is formed on the lower surface of the lower support 310, specifically, is a bending hook, and the second clamping portion 392 is fixedly connected to the front side surface of the door body 200. The lower support 310 moves in the direction close to the door body 200 until the first clamping portion 391 and the second clamping portion 392 are matched to realize the installation of the lower support 310; when the device is detached, the lower support 310 is pulled outwards, the first clamping portion 391 and the second clamping portion 392 are elastically deformed to separate the two, and a user can clean the lower support 310 independently, so that the device is convenient for the user to operate.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (11)

1. A refrigerator comprises a storage chamber and a door body for opening or closing the storage chamber, wherein a vacuum packaging device is arranged on the door body, and the refrigerator is characterized in that: the vacuum packaging apparatus includes:

the upper support and/or the lower support are provided with open cavities on the opposite surfaces of the upper support and/or the lower support; the lower support is detachably connected to the door body, and the upper support can move towards or away from the lower support under the driving of the driving device; the upper support moves towards the direction close to the lower support until the upper support is in butt joint with the lower support, and the open cavity is sealed by a sealing part to form a vacuumizing area;

the outer side of the door body is provided with a bar counter door at the area where the vacuum packaging device is located, the lower end of the bar counter door is hinged with the door body through a damping device, and the upper end of the bar counter door is connected with the door body through a clamping device.

2. The refrigerator according to claim 1, wherein: the damping device comprises a damper body and a rotating shaft which is rotatably connected in the damper body, wherein the rotating shaft comprises an extension section which extends out of the outer side of the damper body.

3. The refrigerator according to claim 2, wherein: the bar counter door is provided with an installation support, the installation support is provided with an installation hole, the damper body is non-rotatably connected in the installation hole, and the extension section of the rotating shaft is fixedly connected with the door body.

4. The refrigerator according to claim 3, wherein: the extension section is fixedly connected with the door body through a connecting assembly, the connecting assembly comprises a shaft sleeve and a connecting plate, one end of the shaft sleeve is connected with the extension section in a non-rotating mode, and the other end of the shaft sleeve is connected with the connecting plate in a non-rotating mode; the other end of the connecting plate is in threaded connection with the door body; the shaft sleeve is rotatably connected in the mounting hole.

5. The refrigerator of claim 4, wherein: the extension section is shaped into a flat cylinder, a first connecting hole corresponding to the extension section is formed in the shaft sleeve, and the extension section is inserted into the first connecting hole and fixedly connected with the extension section through a pin shaft.

6. The refrigerator according to claim 5, wherein: and a second connecting hole is formed at one end of the shaft sleeve matched with the connecting plate, and the connecting plate is inserted into the inner side of the second connecting hole.

7. The refrigerator according to any one of claims 1 to 6, wherein: the lower support is detachably connected to a door body inner container or a door body outer shell of the door body.

8. The refrigerator according to claim 7, wherein: the door body is provided with a mounting hole communicated with the inside and the outside, the lower support and the small heat-insulating door are arranged in the mounting hole, and the small heat-insulating door is positioned on the inner side of the door body.

9. The refrigerator according to claim 8, wherein: the small heat-preservation door and the lower support are integrally formed, or the lower support is detachably connected to the small heat-preservation door.

10. The refrigerator according to claim 7, wherein: the lower support is detachably connected to the door body shell through a second push-spring switch, or the lower support is detachably connected to the door body shell through a clamping connection mode.

11. The refrigerator according to claim 1, wherein: the bar counter door is characterized in that the door body shell is provided with an inwards-sunken installation cavity, the inner side of the bar counter door further comprises an operation panel arranged on the outer side of the installation cavity in a covering mode, an insertion port suitable for inserting a to-be-packaged bag is formed in the operation panel, a display and control device is further arranged on the operation panel, and the display and control device comprises an indicating device used for displaying the working state of the vacuum packaging device.

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