CN212409169U

CN212409169U - Refrigerator with a door

Info

Publication number: CN212409169U
Application number: CN202020650405.0U
Authority: CN
Inventors: 杨春; 刘铁伟; 张建
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-01-26
Anticipated expiration: 2030-04-26
Also published as: WO2021218122A1

Abstract

The utility model provides a refrigerator, which comprises a box body for limiting a storage room and a low-pressure storage unit accommodated in the storage room; the low-pressure storage unit comprises a shell body which defines a storage chamber with an access opening for accessing articles, and a door body which is used for opening or closing the access opening; the shell comprises an upper shell and a lower shell which are hermetically connected to form a storage chamber, wherein a groove is formed in the upper end of the lower shell, and a bulge matched with the groove is formed in the lower end of the upper shell so as to effectively guarantee the sealing property of the shell; the utility model discloses a casing has effectively improved the bulk strength and the leakproofness of low pressure storage unit through recess and bellied cooperation with lower casing on the refrigerator.

Description

Refrigerator with a door

Technical Field

The utility model belongs to the technical field of the refrigerator, especially, relate to a refrigerator.

Background

Refrigerators occupy an important share of the market as indispensable electric appliances in home life. With the increasing requirements of consumers on the quality of fresh food, the requirements on refrigerators are also increasing, and refrigerators are required to have higher configuration and stronger functions, and especially, it is desirable that the stored fresh food can have a longer storage period, so that the freshness of food materials is ensured, and the loss of nutritional ingredients is prevented.

In view of this, the present invention is proposed.

Disclosure of Invention

The utility model provides a to foretell technical problem, provide a refrigerator.

In order to achieve the above object, the utility model discloses a technical scheme be:

a refrigerator, comprising:

a cabinet defining an insulated storage compartment;

a low pressure storage unit accommodated in the storage compartment to define a storage space that can be maintained in a low pressure state;

the low pressure storage unit includes:

a housing defining a storage compartment having an access opening for accessing an item;

the door body is used for opening or closing the taking and placing opening;

wherein the housing comprises an upper housing and a lower housing which are hermetically connected to form a storage chamber; the upper end of the lower shell is provided with a groove, and the lower end of the upper shell is provided with a bulge matched with the groove.

Preferably, the widths of the grooves from top to bottom are kept equal.

Preferably, the grooves comprise an upper section groove close to the upper end and a lower section groove close to the lower end, and the width of the upper section groove is recorded as D₁The groove width of the lower section groove is marked as D₂Wherein D is₁＞D₂(ii) a The protrusions are mounted in the upper section groove and the lower section groove.

Preferably, the width of the protrusion is equal from top to bottom.

Preferably, the lower shell comprises a bottom wall, and a first lower side wall, a lower rear wall, a second lower side wall and a front end wall which are sequentially connected are arranged at the edge of the bottom wall;

the upper shell comprises a top wall, an upper rear wall, a first upper side wall and a second upper side wall, wherein the upper rear wall, the first upper side wall and the second upper side wall are sequentially connected with the edge of the top wall;

go up the back wall with the back wall cooperatees down, first side wall down with first side wall cooperation, the second side wall down with the cooperation of second side wall.

Preferably, a first groove is formed in the upper end of the first lower side wall, a second groove is formed in the upper end of the lower rear wall, and a third groove is formed in the upper end of the second lower side wall; the first groove, the second groove and the third groove are communicated in sequence to form the groove;

the lower end of the first upper side wall is provided with a first convex strip, the lower end of the upper rear wall is provided with a second convex strip, the lower end of the second upper side wall is provided with a third convex strip, and the first convex strip, the second convex strip and the third convex strip are sequentially connected to form a bulge;

and the first raised strip, the second raised strip and the third raised strip are sequentially arranged in the first groove, the second groove and the third groove.

Preferably, the distance between the lower wall surface of the first upper side wall and the lower wall surface of the second upper side wall of the upper shell and the top wall decreases linearly from back to front, and decreases to 0 at the front end edge of the top wall; the front end part of the top wall is connected with the front end wall of the lower shell in a sealing mode.

Preferably, the access opening of the housing is formed in a front end wall of the lower housing.

Preferably, reinforcing ribs are arranged on the outer side of the box wall of the shell.

Preferably, the reinforcing ribs are distributed in a grid shape.

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

Drawings

Fig. 1 is a schematic view of the overall structure of the refrigerator of the present invention;

FIG. 2 is a schematic view of a portion of the refrigerator of the present invention;

fig. 3 is a schematic structural view of the low-pressure storage unit when the door body of the refrigerator of the present invention is unlocked from the casing and is in a separated state;

fig. 4 is an exploded view of the housing of the refrigerator of the present invention;

fig. 5 is an exploded view of another angle of the housing of the refrigerator of the present invention;

fig. 6 is a top view of the lower case of the refrigerator of the present invention;

fig. 7 is a side view of the lower case of the refrigerator of the present invention;

fig. 8 is a side view of the upper case of the refrigerator of the present invention;

fig. 9 is a structural schematic view of the assembly of the lower shell and the lower shell of the refrigerator of the present invention;

FIG. 10 is an enlarged view of area A of FIG. 9;

fig. 11 is a schematic structural view of another assembly manner of the lower shell and the lower shell of the refrigerator of the present invention;

fig. 12 is an enlarged schematic view of a region B in fig. 11.

In the above figures: a refrigerator 1; a box body 2; a housing 2 a; an inner container 2 b; a refrigerating compartment 12; a low pressure storage chamber 14; the access port 14 a; a freshness retaining container 44; a low-pressure storage unit 15; a housing 4; a reinforcing rib 40; an upper case 41; a top wall 41 a; an upper rear wall 41 b; a first upper side wall 41 c; a second upper side wall 41 d; a lower case 42; a bottom wall 42 a; a lower rear wall 42 b; a first lower sidewall 42 c; the second lower side wall 42 d; a front end wall 42 e; the abutment surface 43; a door body 5; a storage container 54; a groove 46; the first groove 46 a; a second groove 46 b; a third groove 46 c; an upper-section groove 46 e; a lower segment groove 46 f; a projection 45; first convex strips 45 a; second convex strips 45 b; and a third rib 45 c.

Detailed Description

The present invention is further described below in conjunction with specific embodiments so that those skilled in the art may better understand the present invention and can implement the present invention, but the scope of the present invention is not limited to the scope described in the detailed description. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is correspondingly changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Fig. 1 to 12 are schematic structural views of a locking mechanism of a low pressure storage unit of a refrigerator; referring to fig. 1 to 12, a refrigerator 1 includes a heat-insulating box 2, and the box 2 includes a casing 2a, an inner container 2b, and a heat-insulating layer (not shown) therebetween. The cabinet 2 defines a plurality of insulated storage compartments to store food and the like. In the present embodiment, the storage compartments are a refrigerating compartment 12 located at an upper portion and a freezing compartment located at a bottom portion, respectively. The storage compartments are closable by respective corresponding door. The utility model discloses well freezer 12 sets up cold-stored door of running from opposite directions, and the freezer sets up the freezing door of running from opposite directions.

It should be understood that the present invention should not be limited to the specific distribution of the storage compartments of the refrigerator 1, but that the present invention can also be applied to other forms of refrigerators 1, such as a refrigerator 1 with a drawer-type door, etc.

The refrigerator 1 has an evaporative refrigeration system forming a closed loop. The refrigeration system includes at least a compressor (not shown), a condenser (not shown), a throttle device (not shown), and an evaporator (not shown). Since such a refrigeration system is well known in the art, further description thereof is omitted. Of course, other types of refrigeration systems (e.g., absorption refrigeration systems, thermoelectric refrigeration systems) may be used with the refrigerator 1.

The refrigerator 1 is provided with a low pressure storage unit 15 which can be maintained in a low pressure state and an air extracting means for extracting air from the inside of the low pressure storage unit 15. The air-extracting means may include a vacuum pump 22 and a pipe connected between the vacuum pump 22 and the low pressure storage unit 15.

In the present embodiment, the low pressure storage unit 15 is provided inside the refrigerating compartment 12. It should be understood that in other embodiments, the low-pressure storage unit 15 may be disposed in other storage compartments, such as a temperature-changing compartment whose temperature range is switchable between a cold-storage temperature zone and a cold-storage temperature zone.

The low pressure storage unit 15 is located at the bottom of the refrigerating chamber 12 and supported on the bottom wall of the refrigerating chamber 12. A fresh-keeping container 44 with high humidity and suitable for keeping food such as vegetables and the like can be arranged at the adjacent position of the low-pressure storage unit 15; the low pressure storage unit 15 is provided in parallel with the fresh food container 44 at the bottom of the refrigerating chamber 12.

The low pressure storage unit 15 may be assembled in the cabinet 2 after being constructed independently of the cabinet 2. Referring to fig. 2, in the present embodiment, the low pressure storage unit 15 has a substantially flat rectangular parallelepiped shape, and the sum of the width of the low pressure storage unit 15 and the width of the fresh food container 44 is slightly smaller than the width of the refrigerating compartment 12, so that the bottom space of the refrigerating compartment 12 is effectively allocated, and both the fresh food container 44 and the low pressure storage unit 15 can be inserted into the refrigerating compartment 12 or pulled out of the refrigerating compartment 12.

The low pressure storage unit 15 includes a housing 4 fixed in the refrigerating chamber 12 and a door 5 connected to the housing 4 and movable into and out of the refrigerating chamber 12.

Referring to fig. 4-12, the housing 4 has a box-shaped structure defining a flat low-pressure storage compartment 14 having a food access opening 14 a. In this embodiment, the access opening 14a is located at the front end of the housing 4 facing the user.

The outer side of the box wall of the shell 4 is provided with a latticed reinforcing rib 40 to increase the box wall strength of the shell 4 and avoid the deformation of the shell 4 caused by the difference between the internal pressure and the external pressure after the vacuum pumping.

The housing 4 comprises an upper housing 41 and a lower housing 42 which are connected to form the low-pressure storage chamber 14, wherein the upper housing 41 and the lower housing 42 are mutually matched and connected into a whole; specifically, the lower casing 42 includes a bottom wall 42a, a first lower side wall 42c, a lower rear wall 42b, a second lower side wall 42d, and a front end wall 42e located at the front end of the lower casing 42 and forming the access opening 14a, which are sequentially connected to the edge of the bottom wall 42 a; wherein the bottom wall 42a of the lower case 42 is the bottom wall of the low pressure storage unit 15. In this embodiment, the front end wall 42e may have a flat abutting surface 43 substantially perpendicular to the horizontal plane for abutting against the door body 5.

The upper housing 41 includes a top wall 41a, and an upper rear wall 41b, a first upper sidewall 41c, and a second upper sidewall 41d sequentially connected to the edge of the top wall 41 a; the distances between the top wall 41a and the lower wall surfaces of the first upper side wall 41c and the second upper side wall 41d of the upper case 41 decrease linearly from the rear to the front, and decrease to 0 at the front end edge of the top wall 41 a. Namely, the projections of the first upper sidewall 41c and the second upper sidewall 41d on the plane perpendicular to the top surface are triangular.

Wherein, the upper back wall 41b is matched with the lower back wall 42b, the first lower side wall 42c is matched with the first upper side wall 41c, and the second lower side wall 42d is matched with the second upper side wall 41 d; the front end portion of the top wall 41a is fitted with the front end wall 42e of the lower casing 42 to fixedly connect the upper casing 41 and the lower casing 42 to form the low pressure storage chamber 14.

The upper end of the lower shell 42 is provided with a groove 46, and the lower end of the upper shell 41 is provided with a bulge 45 matched with the groove 46; when the upper case 41 is sealed with the lower case 42, the sealant is injected into the groove 46 of the lower case 42, and then the protrusion 45 at the lower end of the upper case 41 is mounted in the groove 46 in which the sealant is injected. When the low-pressure storage unit 15 is in a vacuum refreshing state, the whole low-pressure storage chamber 14 is subjected to negative pressure, and the sealing property of the connection between the upper casing 41 and the lower casing 42 can be effectively promoted.

In this embodiment, on the lower casing 42, a first groove 46a is formed at the upper end of the first lower side wall 42c, a second groove 46b is formed at the upper end of the lower rear wall 42b, and a third groove 46c is formed at the upper end of the second lower side wall 42d, wherein the first groove 46a, the second groove 46b, and the third groove 46c are sequentially communicated to form the groove 46.

On the upper housing 41, a first protruding strip 45a is disposed at the lower end of the first upper sidewall 41c, a second protruding strip 45b is disposed at the lower end of the upper rear wall 41b, a third protruding strip 45c is disposed at the lower end of the second upper sidewall 41d, and the first protruding strip 45a, the second protruding strip 45b, and the third protruding strip 45c are sequentially connected to form a protrusion 45.

When the upper housing 41 and the lower housing 42 are sealed, sealant is injected into the first groove 46a, the second groove 46b and the third groove 46c, the first upper sidewall 41c is matched with the first lower sidewall 42c, and the first convex strip 45a is installed in the first groove 46 a; the upper back wall 41b is matched with the lower back wall 42b, and the second convex strip 45b is arranged in the second groove 46 b; the second upper sidewall 41d is engaged with the second lower sidewall 42d, and the third protrusion 45c is installed in the third groove 46 c.

In the above, as shown in fig. 8-9, the widths of the grooves 46 from top to bottom are kept equal, i.e. the widths of the grooves 46 are constant from top to bottom.

In addition, the groove width of the groove 46 can be set to be a plurality of widths from top to bottom so as to form a step-shaped inner cavity; on these bases, from top to bottom, the groove width of the groove 46 can be reduced in sections. As shown in fig. 11-12, the grooves 46 include an upper groove 46e near the upper end and a lower groove 46f near the lower end, and the width of the upper groove 46e is denoted as the upper width D₁The groove width of the lower groove 46f is recorded as the lower groove width D₂Wherein D is₁＞D₂. With the above arrangement, the width of the protrusion 45 is kept equal from top to bottom, i.e. the width of the protrusion 45 is still set to be constant; the protrusion 45 is installed in the upper groove 46e and the upper groove46f and matching with the sealant, the sealing effect can be optimized.

The above matching manner of the groove 46 and the protrusion 45 can effectively improve the connection strength of the upper shell 41 and the lower shell 42, and ensure the air tightness of the whole shell 4. Further, the access opening 14a of the case 4 is formed in the front end wall 42e of the lower case 42, so that the access opening 14a of the case 4 is integrated, and the airtightness of the case 4 is effectively ensured. Moreover, the distances between the top wall 41a and the lower wall surfaces of the first upper sidewall 41c and the second upper sidewall 41d are linearly decreased from back to front, and are decreased to 0 at the front end edge of the top wall 41a, so that the number of the abutting surfaces of the upper housing 41 and the lower housing 42 is decreased, the overall air tightness of the housing 4 is improved, and particularly, the air tightness of the housing 4 at the access opening 14a is improved. On the other hand, the housing 4 is provided as a separate structure of the upper housing 41 and the lower housing 42, which facilitates processing of the grid-shaped reinforcing ribs 40.

Door 5 may be provided with an annular sealing member to form an airtight joint between housing 4 and door 5 when door 5 is in the closed position, preventing gas from entering low-pressure storage chamber 14 from the joint between housing 4 and door 5. The sealing element may also be arranged at the front end of the housing 4, for example connected to the front end wall 42 e.

When the low-pressure storage chamber 14 is closed by the door 5 and the air extractor is started, the air in the low-pressure storage chamber 14 is extracted, and the low-pressure storage chamber 14 is in a low-pressure state. In accordance with a preferred embodiment of the present invention, at the end of the evacuation sequence, the pressure within the low pressure storage chamber 14 is between a standard atmospheric pressure and a vacuum absolute. Since the air pressure in the low pressure storage chamber 14 is lower than the standard atmospheric pressure, those skilled in the art are also commonly referred to as "vacuum chamber".

The door body 5 is a drawer type door, and the door body 5 may be pushed toward the casing 4 to close the access opening 14a of the low pressure storage chamber 14 or pulled out to open the low pressure storage chamber 14. The rear side of the door body 5 is connected to a tray-like storage container 54 for storing articles. The user obtains items located in the low pressure storage unit 15 or stores items in the low pressure storage unit 15 by pushing or pulling the storage container 54 into or out of the low pressure storage chamber 14. The door 5 and the storage container 54 together constitute a drawer unit that can be pushed into and pulled out of the housing 4.

A retractable rail unit may be provided between the storage container 54 and the housing 4, so that the door 5 and the storage container 54 can be smoothly pulled out of or pushed into the housing 4.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The refrigerator is characterized in that: it includes:

a cabinet defining an insulated storage compartment;

the low pressure storage unit includes:

the door body is used for opening or closing the taking and placing opening;

2. The refrigerator according to claim 1, wherein: the width of the groove from top to bottom is kept equal.

3. The refrigerator according to claim 1, wherein: the grooves comprise an upper section groove close to the upper end and a lower section groove close to the lower end, and the groove width of the upper section groove is recorded as D₁The groove width of the lower section groove is marked as D₂Which isIn D₁＞D₂(ii) a The protrusions are mounted in the upper section groove and the lower section groove.

4. The refrigerator according to claim 2 or 3, wherein: the width of the protrusions is kept equal from top to bottom.

5. The refrigerator according to any one of claims 1 to 3, wherein:

the lower shell comprises a bottom wall, and a first lower side wall, a lower rear wall, a second lower side wall and a front end wall which are sequentially connected are arranged at the edge of the bottom wall;

6. The refrigerator according to claim 5, wherein: a first groove is formed in the upper end of the first lower side wall, a second groove is formed in the upper end of the lower rear wall, and a third groove is formed in the upper end of the second lower side wall; the first groove, the second groove and the third groove are communicated in sequence to form the groove;

7. The refrigerator according to claim 5, wherein: the distances between the lower wall surfaces of the first upper side wall and the second upper side wall of the upper shell and the top wall are linearly reduced from back to front, and are reduced to 0 at the front end edge of the top wall; the front end part of the top wall is connected with the front end wall of the lower shell in a sealing mode.

8. The refrigerator according to claim 5, wherein: the access opening of the shell is formed on the front end wall of the lower shell.

9. The refrigerator according to any one of claims 1 to 3, wherein: and reinforcing ribs are arranged on the outer side of the box wall of the shell.

10. The refrigerator according to claim 9, wherein: the reinforcing ribs are distributed in a grid shape.