CN215337260U

CN215337260U - Refrigerator with a door

Info

Publication number: CN215337260U
Application number: CN202121719816.1U
Authority: CN
Inventors: 孙敬龙; 潘毅广; 张海鹏; 丁龙辉; 张宗鑫; 齐聪山
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-12-28
Anticipated expiration: 2031-07-27

Abstract

The utility model provides a refrigerator, which comprises a refrigerator body, a vacuum box arranged in the refrigerator body and a vacuumizing device, wherein the vacuum box is arranged in the refrigerator body; the vacuumizing device comprises an outer shell, an inner shell, a vacuum pump and an exciter; the outer shell is fixed in the box body; the inner shell is arranged in the outer shell; the inner shell is enclosed to form a closed cavity; the vacuum pump is fixed in the inner shell and is communicated with the vacuum box through a pipeline; the exciter is fixed to the peripheral wall of the inner housing so as to be able to excite the peripheral wall of the inner housing to vibrate. The vacuum pump is arranged in the sealed inner shell, and vibration and noise transmitted to the outside by the vacuum pump can be effectively reduced. The exciter on the interior casing excites the circumferential wall vibration of the interior casing, and the vibration of the interior casing and the vibration of the vacuum pump can interfere with each other and offset, so that the vibration of the vacuum pump and the generated noise are effectively reduced, and the user experience is improved.

Description

Refrigerator with a door

Technical Field

The utility model relates to the technical field of transport boxes, in particular to a refrigerator.

Background

Household appliances are rapidly developed, more and more high technologies are applied to refrigerators, and meanwhile, requirements of people on the refrigerators are higher and higher. In the preservation technology of the refrigerator, oxygen is closely related to the oxidation and respiration of food in the refrigerator. The slower the respiration of the food, the lower its oxidation and the longer the preservation time. The oxygen content in the storage space is reduced, and the fresh-keeping effect on food is obvious. In order to achieve a higher fresh-keeping effect, more and more refrigerators are provided with a function of reducing oxygen content. Namely, the food material cooling speed is accelerated in a vacuumizing mode, and meanwhile, the food material is inhibited from being decayed by microorganisms, so that the aim of prolonging the preservation period is fulfilled.

Set up vacuum box or vacuum drawer in the refrigerator, utilize the vacuum pump to vacuum box or vacuum drawer evacuation to make vacuum box or vacuum drawer form relative vacuum environment in, but the vibrations and the noise of vacuum pump during operation are all very big, influence user's experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a refrigerator which can effectively reduce the vibration and the generated noise of a vacuum pump and improve the experience of a user.

In order to solve the technical problems, the utility model adopts the following technical scheme:

according to one aspect of the present invention, there is provided a refrigerator including a cabinet, a vacuum box provided in the cabinet, and a vacuum pumping device; the vacuumizing device comprises an outer shell, an inner shell, a vacuum pump and an exciter; the outer shell is fixed in the box body; the inner shell is arranged in the outer shell; the inner shell is enclosed to form a closed cavity; the vacuum pump is fixed in the inner shell and is communicated with the vacuum box through a pipeline; the exciter is fixed on the peripheral wall of the inner shell so as to excite the peripheral wall of the inner shell to vibrate.

In some embodiments, the vacuum pumping device further comprises a damping cotton wrapped outside the vacuum pump, and a mounting shell wrapped on the periphery of the damping cotton; the mounting shell is fixed in the inner shell.

In some embodiments, the periphery of the mounting shell is convexly provided with oppositely arranged connecting parts; the connecting part is provided with a vertically through clamping hole, a shock pad is clamped in the clamping hole, and the upper end and the lower end of the shock pad respectively exceed the corresponding upper end face and the lower end face of the connecting part; the shock pad block is in on the interior casing to with installation shell is unsettled to be installed in the interior casing.

In some embodiments, the shock pad is provided with a mounting hole; the bottom surface of the inner shell is provided with an installation column which protrudes upwards, and the installation column extends into and is clamped in the installation hole.

In some embodiments, the inner bottom surface of the inner shell is provided with a spacing groove for spacing the mounting shell.

In some embodiments, the inner housing comprises a bottom plate, a peripheral side plate protruding from the upper surface of the bottom plate, and an inner cover covering the upper end of the peripheral side plate; the peripheral side plates are sequentially arranged in a surrounding manner; the vacuum pump is fixed on the bottom plate; the inner cover covers the upper end of the peripheral side plate.

In some embodiments, the upper end of the outer shell is open, and the upper end of the outer shell is provided with an outer cover; the outer cover covers the upper end of the outer shell and seals the outer shell; and a space is arranged between the inner peripheral wall of the outer shell and the outer peripheral wall of the inner shell.

In some embodiments, the exciter is fixed to the outer peripheral wall of the inner housing and is located in the space between the outer housing and the inner housing.

In some embodiments, the evacuation device further comprises a controller and a noise receiver; the noise receiver is arranged in the inner shell and used for detecting noise in the inner shell; the noise receiver and the exciter are both electrically connected with the controller.

In some embodiments, two of the exciters are provided, and the exciters are symmetrically provided on two opposite side surfaces of the inner housing.

According to the technical scheme, the utility model has at least the following advantages and positive effects:

according to the utility model, the vacuum pump is arranged in the closed inner shell, so that the vibration and noise transmitted to the outside by the vacuum pump can be effectively reduced. The exciter on the interior casing excites the circumferential wall vibration of the interior casing, and the vibration of the interior casing and the vibration of the vacuum pump can interfere with each other and offset, so that the vibration of the vacuum pump and the generated noise are effectively reduced, and the user experience is improved.

Drawings

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

FIG. 2 is a schematic structural diagram of a vacuum extractor of the embodiment of the refrigerator according to the present invention.

FIG. 3 is an exploded view of the vacuum extractor of the refrigerator according to the present invention.

Fig. 4 is a schematic structural view of an outer case of a refrigerator according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of an inner case of an embodiment of a refrigerator according to the present invention, in which an inner cover is not shown.

Fig. 6 is a partial structural schematic view of an embodiment of a refrigerator according to the present invention, in which an outer case and an inner cover are not shown.

Fig. 7 is an exploded view of a mounting case of an embodiment of a refrigerator according to the present invention.

Fig. 8 is a plan view of a partial structure of an embodiment of a refrigerator according to the present invention.

The reference numerals are explained below: 100. a box body; 300. a vacuum box; 400. a vacuum pumping device; 410. an outer housing; 411. an outer cover; 412. a via hole; 420. an inner housing; 421. a base plate; 422. a peripheral side plate; 423. an inner cover; 424. mounting a column; 425. a position avoiding groove; 430. a vacuum pump; 440. an exciter; 450. a noise receiver; 460. mounting a shell; 461. an upper shell; 4611. a limiting hole; 462. a lower case; 4621. limiting clamping protrusions; 463. a connecting portion; 4631. a clamping hole; 470. damping cotton; 480. a shock-absorbing pad.

Detailed Description

Exemplary embodiments that embody features and advantages of the utility model are described in detail below in the specification. It is to be understood that the utility model is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the utility model and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, the present embodiment provides a refrigerator for storing articles at a low temperature. The refrigerator includes a cabinet 100, a door rotatably covering the cabinet 100, a vacuum box 300 disposed in the cabinet 100, and a refrigerating assembly disposed in the cabinet 100.

The case 100 is formed with a storage compartment having an open front side, and articles are stored in the storage compartment at a low temperature. The specific structure of the box 100 refers to the structure of the box in the related art, and is not described in detail herein.

In this embodiment, the box door can be rotatably covered on the box body 100 to open or close the storage compartment of the box body 100, and articles can be taken and placed in the storage compartment. In some embodiments, the door is a drawer door that slidably covers the front side of the cabinet 100.

The refrigeration assembly is used for releasing heat in the refrigerator to the external environment and supplying cold energy to the storage chamber so as to maintain the low-temperature environment in the storage chamber. The refrigeration assembly comprises a compressor, a condenser, an evaporator, a capillary tube and the like. The specific structure and connection relationship of the refrigeration assembly refer to the refrigeration assembly in the related art, and are not described in detail herein.

In this embodiment, the vacuum box 300 is disposed in the case 100 to vacuum-preserve food. In some embodiments, the vacuum box 300 is disposed on a side of the door facing the cabinet 100. A vacuum-pumping device 400 for pumping vacuum to the vacuum cartridge 300 is provided in the refrigerator.

For convenience of description and understanding, the state of the vacuum apparatus illustrated in fig. 2 is used as a reference, and the vertical direction is the up-down direction, inward toward the inside of the vacuum apparatus, and outward toward the outside of the vacuum apparatus.

Referring to fig. 1 and 2, a vacuum-pumping device 400 is provided in the refrigerator to pump vacuum to the vacuum box 300. The vacuum apparatus 400 is fixed in the cabinet 100 or the door. In this embodiment, the vacuum box 300 is disposed in the box 100, and the vacuum pumping device 400 is correspondingly disposed in the box 100. The vacuum pumping device 400 includes an outer housing 410 fixed in the chamber 100, an inner housing 420 provided in the outer housing 410, a vacuum pump 430 provided in the inner housing 420, and an actuator 440 fixed to a peripheral wall of the inner housing 420. The vacuum pump 430 is connected to the vacuum box 300 through a pipe for evacuating the vacuum box 300.

The inner shell 420 encloses to form a closed chamber, the vacuum pump 430 is arranged in the closed chamber, and the closed environment of the inner shell 420 can effectively reduce the vibration and noise transmitted from the vacuum pump 430 to the outside.

FIG. 3 is an exploded view of the vacuum extractor of the refrigerator according to the present invention. Fig. 4 is a schematic structural view of an outer case of a refrigerator according to an embodiment of the present invention.

Referring to fig. 2 to 4, the upper end of the outer casing 410 is open, the upper end of the outer casing 410 is provided with an outer cover 411, the outer cover 411 covers the upper end of the outer casing 410 and seals the outer casing 410 to form a closed environment inside the outer casing 410, and the inner casing 420 is disposed in the closed environment to effectively reduce noise transmitted to the outside of the outer casing 410.

In this embodiment, the outer housing 410 is an environmental structure with openings at the upper and lower ends, and the bottom end thereof is fixed on the inner housing 420.

The peripheral wall of the outer housing 410 is formed with a via 412 for passing the actuator 440 and routing the actuator 440.

Fig. 5 is a schematic structural view of an inner case of an embodiment of a refrigerator according to the present invention.

Referring to fig. 2 to 5, the inner housing 420 is disposed in the outer housing 410, and the inner housing 420 includes a bottom plate 421, a peripheral plate 422 protruding from an upper surface of the bottom plate 421, and an inner cover 423 covering an upper end of the peripheral plate 422. The peripheral side plates 422 are sequentially arranged in a surrounding manner, and a hollow structure with an upper end opened is formed between the peripheral side plates 422 and the bottom plate 421. The inner lid 423 covers and seals the upper end of the peripheral side plate 422, and a closed environment is formed between the inner lid 423, the peripheral side plate 422, and the bottom plate 421, and the vacuum pump 430 is disposed in the closed environment, so that vibration and noise transmitted from the vacuum pump 430 to the outside can be effectively reduced.

In this embodiment, the inner housing 420 is disposed in the outer housing 410, and the bottom end of the outer housing is attached to the upper surface of the bottom plate 421 and extends along the edge of the bottom plate 421. The edge of the bottom plate 421 is matched with the outer periphery of the outer shell 410, so as to facilitate the installation and the limit between the inner shell 420 and the outer shell 410. In some embodiments, a limiting structure is convexly disposed on the bottom surface of the inner periphery of the outer casing 410, and the bottom plate 421 abuts against the bottom surface of the outer casing 410 and is adapted to the limiting structure to limit the inner casing 420 inside the outer casing 410.

The inner peripheral wall of the outer casing 410 and the outer peripheral wall of the inner casing 420 have a space therebetween, in this embodiment, the bottom end of the outer casing is attached to the upper surface of the bottom plate 421 and extends along the edge of the bottom plate 421, and the peripheral side plate 422 and the peripheral edge of the bottom plate 421 have a space therebetween, so that the inner peripheral wall of the outer casing 410 and the outer peripheral wall of the inner casing 420 have a space therebetween.

The exciter 440 is fixed to the outer circumferential wall of the inner housing 420 and is located in the space between the outer housing 410 and the inner housing 420. When the exciter 440 vibrates, the interval between the outer case 410 and the inner case 420 can effectively reduce the vibration and noise transmitted from the exciter 440 to the outside. In some embodiments, the exciter 440 is disposed on an inner circumferential wall of the inner housing 420.

The actuators 440 are provided in two, and the two actuators 440 are symmetrically disposed on opposite sides of the inner housing 420 to balance the vibration of both sides of the inner housing 420.

The bottom surface of the bottom plate 421 of the inner case 420 is provided with a mounting post 424 protruding upward for fixing the vacuum pump 430. The upper end of the mounting post 424 is formed with a hook structure projecting radially outward of itself.

The mounting posts 424 are provided in plurality at intervals. In this embodiment, the mounting posts 424 are spaced apart two. The inner bottom surface of the bottom plate 421 of the inner housing 420 is provided with a clearance groove 425.

Fig. 6 is a partial structural schematic view of an embodiment of a refrigerator according to the present invention, in which an outer case and an inner cover are not shown. Fig. 7 is an exploded view of a mounting case of an embodiment of a refrigerator according to the present invention.

Referring to fig. 2 to 7, the vacuum pump 430 is provided with a mounting shell 460 at the outer periphery thereof, the mounting shell 460 surrounds the outer periphery of the vacuum pump 430, the mounting shell 460 is fixed on the mounting post 424 of the inner housing 420, and the vacuum pump 430 is disposed in the inner housing 420.

In this embodiment, the vibration damping cotton 470 is wrapped around the outer side of the vacuum pump 430, and the mounting shell 460 is wrapped around the vibration damping cotton 470, so that the vacuum pump 430 is mounted on the mounting shell 460, and the vacuum pump 430 is wrapped around the vibration damping cotton 470, so that the vibration of the vacuum pump 430 can be buffered, and the noise generated by the vacuum pump 430 is lower.

The mounting case 460 includes an upper case 461 and a lower case 462 fastened to the upper case 461, the lower case 462 is a ring structure, and both ends of the lower case 462 are provided with limit protrusions 4621. A through-hole 4611 is formed in the sidewall of the upper case 461 corresponding to the limiting protrusion 4621, and the limiting protrusion 4621 is engaged with the hole 4611 to engage the lower case 462 with the upper case 461.

The outer circumference of the mounting case 460 is convexly provided with a connecting portion 463 oppositely arranged. In this embodiment, the connecting portions 463 protrude from the opposite left and right sides of the upper case 461. In some embodiments, the connecting portions 463 are protruded on opposite sides of the lower case 462.

The connecting portion 463 has a vertically penetrating locking hole 4631 formed therein so as to be engaged with the mounting post 424 of the inner case 420 through the locking hole 4631. In this embodiment, the damping pad 480 is engaged in the locking hole 4631, and the upper and lower ends of the damping pad 480 respectively exceed the corresponding upper and lower end surfaces of the connecting portion 463; the shock absorbing pad 480 is engaged with the mounting post 424 of the inner housing 420 to mount the mounting shell 460 in the inner housing 420 in a suspended manner.

By providing the shock absorbing pad 480, vibrations transmitted from the mounting case 460 to the mounting post 424 can be damped, thereby reducing vibrations of the inner case 420. The upper and lower both ends of shock pad 480 exceed connecting portion 463 respectively and correspond the terminal surface to avoid installation shell 460 direct contact to interior casing 420, thereby can cushion the vibration of installation shell 460 to interior casing 420.

After the installation shell 460 is fixed in the inner shell 420, the avoiding groove 425 formed in the bottom surface of the inner shell 420 can avoid the interference between the installation shell 460 and the bottom surface of the inner shell 420, so that the installation shell 460 is ensured to be suspended in the inner shell 420.

The shock pad 480 is provided with a through mounting hole, and the mounting column 424 of the inner shell 420 extends into and is clamped in the mounting hole. Install installation shell 460 on interior casing 420 through shock pad 480, can effectual buffering installation shell 460 to the vibration of interior casing 420.

Referring to fig. 2 to 8, in the present embodiment, the vacuum apparatus further includes a controller and a noise receiver 450; the noise receiver 450 is disposed in the inner housing 420 for detecting noise in the inner housing 420; the noise receiver 450 and the exciter 440 are both electrically connected to the controller. When vacuum pump 430 is operating, noise receiver 450 receives a noise signal generated by vacuum pump 430 and transmits the noise signal to the controller. The controller controls the exciter 440 to vibrate, the exciter 440 vibrates and drives the peripheral wall of the outer shell 410 to vibrate and generate sound, an excitation signal which is opposite to the noise of the vacuum pump 430 is generated, the noise of the vacuum pump 430 is offset, and noise reduction is achieved. The noise receiver 450 is provided in plurality at the inner edge of the inner case 420.

In the present invention, the vacuum pump 430 is disposed in the closed inner casing 420, so that vibration and noise transmitted from the vacuum pump 430 to the outside can be effectively reduced. The exciter 440 on the inner housing 420 excites the peripheral wall of the inner housing 420 to vibrate, and the vibration of the inner housing 420 and the vibration of the vacuum pump 430 can interfere and offset each other, so that the vibration and the generated noise of the vacuum pump 430 are effectively reduced, and the user experience is improved.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A refrigerator comprises a box body, a vacuum box arranged in the box body and a vacuumizing device; characterized in that, evacuating device includes:

an outer housing fixed in the case;

an inner housing disposed within the outer housing; the inner shell is enclosed to form a closed cavity;

the vacuum pump is fixed inside the inner shell and is communicated with the vacuum box through a pipeline;

and the exciter is fixed on the peripheral wall of the inner shell so as to excite the peripheral wall of the inner shell to vibrate.

2. The refrigerator according to claim 1, wherein the vacuum pumping device further comprises a damping cotton wrapped outside the vacuum pump, and a mounting case wrapped around an outer circumference of the damping cotton; the mounting shell is fixed in the inner shell.

3. The refrigerator as claimed in claim 2, wherein the mounting case is provided with oppositely disposed coupling parts protruding from an outer circumference thereof; the connecting part is provided with a vertically through clamping hole, a shock pad is clamped in the clamping hole, and the upper end and the lower end of the shock pad respectively exceed the corresponding upper end face and the lower end face of the connecting part; the shock pad block is in on the interior casing to with installation shell is unsettled to be installed in the interior casing.

4. The refrigerator as claimed in claim 3, wherein the shock pad has a mounting hole; the bottom surface of the inner shell is provided with an installation column which protrudes upwards, and the installation column extends into and is clamped in the installation hole.

5. The refrigerator as claimed in claim 2, wherein a catching groove for catching the mounting case is provided at an inner bottom surface of the inner case.

6. The refrigerator of claim 1, wherein the inner case includes a bottom plate, a peripheral side plate protruded from an upper surface of the bottom plate, and an inner cover covering an upper end of the peripheral side plate; the peripheral side plates are sequentially arranged in a surrounding manner; the vacuum pump is fixed on the bottom plate; the inner cover covers the upper end of the peripheral side plate.

7. The refrigerator according to claim 1, wherein an upper end of the outer case is opened, and an outer cover is provided at an upper end of the outer case; the outer cover covers the upper end of the outer shell and seals the outer shell; and a space is arranged between the inner peripheral wall of the outer shell and the outer peripheral wall of the inner shell.

8. The refrigerator as claimed in claim 7, wherein the exciter is fixed to a peripheral wall of the inner case in a space between the outer case and the inner case.

9. The refrigerator according to claim 1, wherein the vacuum pumping device further comprises a controller and a noise receiver; the noise receiver is arranged in the inner shell and used for detecting noise in the inner shell; the noise receiver and the exciter are both electrically connected with the controller.

10. The refrigerator as claimed in claim 1, wherein the exciter is provided in two, and the two exciters are symmetrically provided on opposite sides of the inner case.