CN201382643Y

CN201382643Y - Icebox capable of automatically balancing internal air pressure and external air pressure

Info

Publication number: CN201382643Y
Application number: CN200920118300U
Authority: CN
Inventors: 曹永贵; 葛建伟; 赖海军
Original assignee: XINGXING GROUP CO Ltd
Current assignee: ZHEJIANG XINGXING HOME APPLIANCE Co.,Ltd.
Priority date: 2009-04-22
Filing date: 2009-04-22
Publication date: 2010-01-13
Anticipated expiration: 2019-04-22

Abstract

The utility model provides an icebox capable of automatically balancing internal air pressure and external air pressure, belongs to the technical field of machinery, and solves the problems of larger energy consumption, unreasonable design, high production cost and complicated use of an existing icebox. The icebox capable of automatically balancing internal air pressure and external air pressure comprises a box body provided with an internal stock room and a door body installed on the box body for opening and closing the internal stock room, wherein an exchange channel for communicating the stock room with the outside is arranged on the door body or the box body, a slide block which can seal the exchange channel is inserted in the exchange channel, and the slide block is connected with the exchange channel in a sliding way, and can slide in the exchange channel to communicate the stock room with the outside when the air pressure difference between the slide block and the outside achieves the preset value. The icebox capable of automatically balancing internal air pressure and external air pressure has the advantages that the internal air pressure and the external air pressure automatically balance, the door body is conveniently opened and closed, and the design is reasonable.

Description

A kind of refrigerator of autobalance inner and outer air pressure

Technical field

The utility model belongs to field of mechanical technique, relates to a kind of household electrical appliances, particularly a kind of refrigerator of autobalance inner and outer air pressure.

Background technology

Along with the continuous progress and the development of society, daily life furniture constantly upgrades, and is also constantly progressive such as refrigerator function of use various aspects.And traditional refrigerator all has certain defective, owing to have pressure differential between the inside storeroom air of refrigerator and the external environment air, causes the very big strength of door needs of refrigerator to open.For this reason, people have carried out long-term exploration, have proposed various solutions.For example, Chinese patent literature discloses a kind of refrigerator [application number: 200820035628.5, Granted publication number: CN201206924Y], comprise casing with inner storeroom, and be installed in the movable door body that is used to open and close this internal storage space on the casing, the defrost water that forms in should the inside storeroom is installed in this casing is exported to the outer drainage pipeline of casing, the pressure equaliser of balance box inner air and outer air pressure is set on this drainage pipeline, this pressure equaliser comprises the drainage arrangement that is arranged on the drainage pipeline end and is arranged on the inlet duct of close drainage pipeline end, this drainage arrangement does not store defrost water, and stops extraneous air to enter drainage pipeline.This scheme has solved the too small and problem that causes refrigerator door to be difficult to open of the airborne air pressure of inner storeroom to a certain extent, but this scheme power consumption is big, design inadequately rationally, a series of problems such as manufacturing cost is high, use is loaded down with trivial details.

Summary of the invention

The purpose of this utility model is to have the problems referred to above at existing technology, proposed a kind of can autobalance inner and outer air pressure, door body make things convenient for the refrigerator of folding, autobalance inner and outer air pressure reasonable in design.

The purpose of this utility model can realize by following technical proposal: a kind of refrigerator of autobalance inner and outer air pressure, comprise casing with inner storeroom, and be installed in the door body that is used to open and close this inside storeroom on the casing, it is characterized in that, on door body or casing, have UNICOM's storeroom and extraneous interchange channel, in the interchange channel, be inserted with can with the slide block of its formation sealing, this slide block and interchange channel are slidingly connected and when storeroom and ambient pressure difference reached setting value, slide block can slide in the interchange channel and the storeroom and the external world are connected.

Under the door body was in state with the casing closure, inner storeroom is air pressure prompt drop thereupon under the situation of refrigerator refrigeration, realizes that this moment inner and outer air pressure differs bigger.Bigger draught head just acts on the interchange channel with UNICOM's storeroom and external world, when storeroom and ambient pressure difference reach setting value, the slide block that is slidingly connected with the interchange channel is then under the effect of air pressure and slide the storeroom and the external world are connected, realize that outside air enters inner storeroom, make it air pressure and increase, reduce and extraneous draught head.It is brisk that the reducing of draught head realized that just the door body is opened, the reducing to make and act on pressure suffered on the interchange channel and also reduce thereupon of draught head simultaneously, and this moment, slide block did not slide, and realized that storeroom is hedged off from the outer world, and reduced the loss of the energy.

In the refrigerator of above-mentioned autobalance inner and outer air pressure, bar place under the body is located in described interchange channel.Make things convenient for interchange channel dismounting and installation like this, also make things convenient for simultaneously the interchange channel is adjusted.

As another kind of scheme, in the refrigerator of above-mentioned autobalance inner and outer air pressure, the casing bottom is located in described interchange channel.When using more stable interchange channel, be located at casing bottom handled easily.

In the refrigerator of above-mentioned autobalance inner and outer air pressure, described interchange channel comprises slide and foam pipeline.Slide provides dragging track for slide block, and the foam pipeline provides the circulation track for air-flow.

In the refrigerator of above-mentioned autobalance inner and outer air pressure, be provided with vertically disposed through hole in the described slide.When draught head subtracted, because the gravity and the through hole of slide block self vertically are provided with, slide block can fall automatically, thereby reaches the effect of its sealing.

In the refrigerator of above-mentioned autobalance inner and outer air pressure, described slide block is T shape and adopts metal material to make.Fall when sealing at slide block, T shape slide block can well be located by the structure of self, and the metal result of use is better in addition.

Compared with prior art, the utlity model has following advantage: 1, since be provided with the interchange channel make air pressure in the refrigerator more convenient reach poised state, realize spry and light when the door body uses.2, the vertical setting of the through hole in the slide makes it energy-conservation.

Description of drawings

Fig. 1 is an overall structure schematic diagram of the present utility model.

Fig. 2 is a partial structurtes enlarged diagram of the present utility model.

Among the figure, 1, casing; 2, door body; 3, interchange channel; 31, slide; 31a, through hole; 32, foam pipeline; 33, slide block;

The specific embodiment

Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

As depicted in figs. 1 and 2, the refrigerator of this autobalance inner and outer air pressure comprises the casing 1 with inner storeroom and is installed in casing 1 body 2 to the doorstep, be located at 2 times bar places of a body and have UNICOM's storeroom and extraneous interchange channel 3, casing 1 bottom also can be located in interchange channel 3 simultaneously.Interchange channel 3 comprises the vertically disposed slide 31 of through hole 31a and the foam pipeline 32 of circulation track is provided for air-flow.In interchange channel 3, be inserted with the slide block 33 that can form sealing with slide 31, slide block 33 is for T shape and adopt metal material to make, this slide block 33 is slidingly connected with interchange channel 3 and reaches when setting value when storeroom and ambient pressure difference, and slide block 33 can slide in interchange channel 3 and the storeroom and the external world are connected.

During work, under door body 2 was in state with casing 1 closure, inner storeroom is air pressure prompt drop thereupon under the situation of refrigerator refrigeration, realizes that this moment inner and outer air pressure differs bigger.Bigger draught head just acts on the interchange channel 3 with UNICOM's storeroom and external world, when storeroom and ambient pressure difference reach setting value, 33 of slide blocks that is slidingly connected with interchange channel 3 are under the effect of air pressure and slide the storeroom and the external world are connected, realize that outside air enters inner storeroom, make it air pressure and increase, reduce and extraneous draught head.It is brisk that the reducing of draught head realized that just door body 2 is opened, the reducing to make and act on pressure suffered on the interchange channel 3 and also reduce thereupon of draught head simultaneously, and this moment, slide block 33 did not slide, and realized that storeroom is hedged off from the outer world, and reduced the loss of the energy.

Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.

Although this paper has used 1, casing morely; 2, door body; 3, interchange channel; 31, slide; 31a, through hole; 32, foam pipeline; 33, term such as slide block, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims

1. the refrigerator of an autobalance inner and outer air pressure, comprise casing (1) with inner storeroom, and be installed in the door body (2) that is used to open and close this inside storeroom on the casing (1), it is characterized in that, on door body (2) or casing (1), have UNICOM's storeroom and extraneous interchange channel (3), in interchange channel (3), be inserted with can with the slide block (33) of its formation sealing, this slide block (33) and interchange channel (3) are slidingly connected and reach when setting value when storeroom and ambient pressure difference, and slide block (33) can slide in interchange channel (3) and the storeroom and the external world are connected.

2. the refrigerator of autobalance inner and outer air pressure according to claim 1 is characterized in that, described interchange channel (3) are located at a body (2) Xia Tiaochu.

3. the refrigerator of autobalance inner and outer air pressure according to claim 1 is characterized in that, described interchange channel (3) are located at casing (1) bottom.

4. according to the refrigerator of claim 1 or 2 or 3 described autobalance inner and outer air pressures, it is characterized in that described interchange channel (3) comprise slide (31) and foam pipeline (32).

5. the refrigerator of autobalance inner and outer air pressure according to claim 4 is characterized in that, is provided with vertically disposed through hole (31a) in the described slide (31).

6. according to the refrigerator of claim 1 or 2 or 3 described autobalance inner and outer air pressures, it is characterized in that described slide block (33) is for T shape and adopt metal material to make.