CN201828101U

CN201828101U - Air pressure balance valve of freezer door body

Info

Publication number: CN201828101U
Application number: CN2010205498665U
Authority: CN
Inventors: 张凯先; 李祥凯; 刘玉刚
Original assignee: QINGDAO ESSIN ELECTRICAL APPLIANCE CO Ltd
Current assignee: QINGDAO ESSIN ELECTRICAL APPLIANCE CO Ltd
Priority date: 2010-09-30
Filing date: 2010-09-30
Publication date: 2011-05-11
Anticipated expiration: 2020-09-30

Abstract

The utility model discloses an air pressure balance valve of a freezer door body, which is arranged on the freezer door body and comprises a drying filter pipe and a connecting hose, wherein one end of the drying filter pipe is communicated with the connecting hose, the other end of the drying filter pipe is fixedly arranged on the freezer door body, an air hole is provided with an opening formed at the outside, the connecting hose is fixedly arranged on a freezer door liner, and an opening is arranged in a freezer box body. A filter screen, drying agents, a support net and a one-way valve are arranged in the drying filter pipe, the one-way valve is provided with an opening at one side communicated with the inside of the freezer box body, and the drying agents are arranged between the filter screen and the support net. When users use the product, the freezer door body can be easily and freely opened and closed without influencing the heat insulation effect, and energy resources are effectively saved.

Description

Freezer door body air pressure balance valve

Technical field

The utility model belongs to the freezer door body sealing device, is specifically related to a kind of freezer door body inside and outside air pressure balance valve.

Background technology

The door lining position that the refrigerator door contacts with refrigerator box body is provided with sealing strip, to guarantee that refrigerator in process of refrigerastion, is in good sealing state between refrigerator door and the refrigerator box body, plays the effect of sealing insulation.In the refrigerator-freezer process of refrigerastion, increasing along with internal-external temperature difference, air pressure in the refrigerator is less than ambient pressure, and along with the increasing of casing internal-external temperature difference, the casing inside and outside differential pressure also increases accordingly, when opening the refrigerator door, needs to use bigger power to open the refrigerator door, particularly big, the less refrigerator of content for tank capacity, very difficult when opening the refrigerator door.

In order to solve refrigerator because of refrigeration rear cabinet inner and outer air pressure imbalance, the problem of the temporary door of not opening, designed the air pressure balance valve in the prior art, but these parts of great majority are installed on above the casing,, installation air pressure balance valve place low excessively because of casing refrigeration back temperature not only leaks gas, influence heat insulation effect, also very easily freezing has stoped flowing of air, so that lost the effect of air pressure balance valve.

Summary of the invention

In order to overcome the above-mentioned technical problem that the prior art field exists, the purpose of this utility model is, a kind of freezer door body air pressure balance valve is provided, by the switch freezer door body, under the tight situation of refrigerator door weather strip sealing, also can make case internal gas pressure and ambient pressure reach balance, solve the problem of not opening because of the case inner and outer air pressure is uneven.

The freezer door body air pressure balance valve that the utility model provides, be arranged on the freezer door body, it comprises the dry filter pipe, connects flexible pipe, described dry filter Guan Yiduan be connected flexible pipe and be connected, the other end is fixedly installed on the freezer door body, air vent openings is arranged in the external world, described connection flexible pipe is fixedly installed on the refrigerator door lining, is opened in the refrigerator box body.Be provided with screen pack, drier, holder net, check valve in the described dry filter pipe, check valve is opened on and is communicated with a side in the refrigerator box body, and drier is arranged between screen pack and the holder net.

The freezer door body air pressure balance valve that the utility model provides, its beneficial effect is, is provided with check valve in the dry filter pipe, one-way valve opens when the refrigerator door is opened only, the balance box inner and outer air pressure is when the refrigerator door is closed, closed check valve, refrigerator can not leak gas, high insulating effect; Adopt the dry filter pipe that the gas that enters this balanced valve is carried out filtration drying, guarantee that this device can use for a long time.The user when using product, can be easily switch freezer door body freely, and do not influence heat insulation effect, effectively energy savings.

Description of drawings

Fig. 1 is the critical piece assembling schematic diagram of an embodiment of the utility model;

Fig. 2 is a dry filter pipe internal structure schematic diagram among Fig. 1;

Fig. 3 is the installment state structural representation of embodiment of the present utility model.

Mark among the figure:

1. freezer door body; 2. the refrigerator door serves as a contrast; 3. dry filter pipe; 4. connection flexible pipe; 5. flexible pipe opening; 6. pore 7. holds in the palm net; 8. drier; 9. screen pack; 10. check valve.

The specific embodiment

With reference to the accompanying drawings, in conjunction with an embodiment, the freezer door body air pressure balance valve to the utility model provides is described in detail.

Embodiment

With reference to Fig. 1-Fig. 3, the freezer door body air pressure balance valve of present embodiment, be arranged on the freezer door body, it comprises dry filter pipe 3, connects flexible pipe 4, described dry filter pipe 3 one ends be connected flexible pipe 4 and be connected, the other end is fixedly installed on the freezer door body 1, has pore 6 to be opened on the external world, described connection flexible pipe 4 is fixedly installed on the refrigerator door lining 2, and flexible pipe opening 5 is in refrigerator box body.Be provided with screen pack 9, drier 8, holder net 7, check valve 10 in the described dry filter pipe 3, check valve 10 is opened on and is communicated with a side in the refrigerator box body, and drier 8 is arranged between screen pack 9 and the holder net 7.

Refrigerator is after refrigeration a period of time, and the casing inside and outside differential pressure is bigger, when the refrigerator door is opened, and under the effect of inside and outside differential pressure, one-way valve opens, extraneous gas enters casing by this balanced valve device, the balance box inner and outer air pressure; When the refrigerator door was closed, closed check valve, refrigerator can not leak gas, high insulating effect.Adopt the dry filter pipe that the gas that enters this balanced valve is carried out filtration drying, guarantee that this device can use for a long time.

Claims

1. freezer door body air pressure balance valve, be arranged on the freezer door body, it is characterized in that: it comprises the dry filter pipe, connects flexible pipe, dry filter Guan Yiduan be connected flexible pipe and be connected, the other end is fixedly installed on the freezer door body, air vent openings is arranged in the external world, described connection flexible pipe is fixedly installed on the refrigerator door lining, is opened in the refrigerator box body.

2. freezer door body air pressure balance valve according to claim 1, it is characterized in that: be provided with screen pack, drier, holder net, check valve in the described dry filter pipe, check valve is opened on and is communicated with a side in the refrigerator box body, and drier is arranged between screen pack and the holder net.