CN208312839U - A kind of novel refrigerator pressure equaliser - Google Patents
A kind of novel refrigerator pressure equaliser Download PDFInfo
- Publication number
- CN208312839U CN208312839U CN201820742880.3U CN201820742880U CN208312839U CN 208312839 U CN208312839 U CN 208312839U CN 201820742880 U CN201820742880 U CN 201820742880U CN 208312839 U CN208312839 U CN 208312839U
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- CN
- China
- Prior art keywords
- valve plate
- pressure
- refrigerator
- opening
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model relates to a kind of novel refrigerator pressure equalisers, including valve body and valve plate, the valve body separates equipped with chamber and pressure balance chamber is swung, and pressure balance chamber upper end is equipped with the first opening being in communication with the outside, and lower end is equipped with the second opening being connected to refrigerator inside；The middle part of the valve plate is by the swingable inside for being connected to valve body of shaft, and head end, which protrudes into, to be swung intracavitary, and tail end protrudes into pressure balance chamber.The utility model is inside refrigerator under negative pressure state, it is to restore normal pressure inside refrigerator that valve plate, which can automatically open valve body, guarantee that the air pressure inside refrigerator is consistent with extraneous atmospheric pressure, enable cabinet door is smooth to open, after restoring normal pressure inside refrigerator, valve plate can valve body under the effect of gravity, avoid the cool air leakage of refrigerator.
Description
Technical field
The utility model relates to a kind of commercial kitchen refrigerator field, specifically a kind of novel refrigerator pressure equaliser.
Background technique
In currently available technology, commercial kitchen refrigerator is generally fitted without pressure equaliser, if refrigerator is fitted without
Pressure equaliser, after opening cabinet door, Cryogenic air can overflow in refrigerator, and the normal temperature air outside refrigerator can enter in refrigerator,
The normal temperature air entered after refrigerator is closed the door can be rapidly cooled cooling, and volume sharply reduces after air is cooling, cause in refrigerator
There is negative pressure condition, i.e. refrigerator air pressure inside pressure is lower than refrigerator external pressure pressure, when above-mentioned condition occurs in refrigerator, cabinet door
It will be difficult to open, in volume, in 500 liters or more of refrigerator, the problem is more serious.
In addition, some commercial kitchen refrigerators are mounted with pressure equaliser, but the setting side of normal pressures balancing device
Formula will be easy because ice slag blocks and loses practical effect.
Utility model content
The purpose of the utility model is to overcome above-mentioned the shortcomings of the prior art, and provide a kind of novel refrigerator pressure
Thrust balancing device can balance the pressure inside refrigerator, guarantee the smooth opening of refrigerator cabinet door.
Purpose of the utility model is realized as follows:
A kind of novel refrigerator pressure equaliser, including valve body and valve plate, the valve body, which separates to be equipped with, swings chamber and pressure
Dynamic balance chamber, pressure balance chamber upper end are equipped with the first opening being in communication with the outside, and lower end is equipped with second be connected to refrigerator inside
Opening；The middle part of the valve plate is by the swingable inside for being connected to valve body of shaft, and head end, which protrudes into, to be swung intracavitary, and tail end protrudes into
Pressure balance chamber；When the pressure of first opening is equal with the pressure of the second opening, valve plate resets under the effect of gravity, valve plate
Closing pressure balance chamber makes the first opening, the second separated by openings, when the pressure of first opening is greater than the pressure of the second opening,
Valve plate head end swings tail end simultaneously upward, and, towards lower swing, valve plate, which opens pressure balance chamber, makes the first opening, the second open communication.
The valve inner is separated by partition swings chamber and pressure balance chamber, and shaft is arranged on partition.
The partition wraps shaft and forms shaft-cup, and shaft is isolated with outside air in shaft-cup.
The swing is intracavitary to be equipped with supporting table, and when valve plate resets, supporting table support lives the head end of valve plate.
The pressure balance is intracavitary to be equipped with sealed step, and when valve plate resets, the tail end of valve plate is resisted against close in sealed step
Envelope.
The outer rim of the sealed step is equipped with the seal bead towards lower convexity, and the tail end outer rim of valve plate is equipped with protrusion upward
Valve plate boss or sealing ring, when valve plate resets, valve plate boss or sealing ring match sealing with seal bead.
The head end of the valve plate is equipped with clump weight.
Side of second opening towards the cross-ventilation entrance of evaporator in refrigerator.
The beneficial effects of the utility model are as follows:
For the utility model inside refrigerator under negative pressure state, it is to restore inside refrigerator that valve plate, which can automatically open valve body,
Normal pressure guarantees that the air pressure inside refrigerator is consistent with extraneous atmospheric pressure, enables cabinet door is smooth to open, restores normal inside refrigerator
After pressure, valve plate can valve body under the effect of gravity, avoid the cool air leakage of refrigerator.
The second of valve body the opening towards the side of the cross-ventilation entrance of evaporator in refrigerator, order passes through the utility model
Valve body enters moisture contained in the air inside refrigerator and quickly evaporates in the fin of evaporator, effectively prevents valve body assembly knot
The problem of ice, guarantees that pressure equaliser can use steadily in the long term.
The utility model is suitble to use on all kinds of commercial kitchen refrigerators, applied widely, has structure simple, at low cost
The characteristics of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the present invention refrigerator pressure equaliser reset state.
Fig. 2 is the structural schematic diagram of an embodiment of the present invention refrigerator pressure equaliser negative pressure state.
Fig. 3 is that an embodiment of the present invention refrigerator pressure equaliser applies the structural schematic diagram on refrigerator.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments.
Referring to figures 1-3, the refrigerator pressure equaliser of the utility model, including valve body 1 and valve plate 2, the separation of valve body 1 are set
Have and swing chamber 11 and pressure balance chamber 12,12 upper end of pressure balance chamber is equipped with the first opening 121 being in communication with the outside, and lower end is equipped with
The second opening 122 being connected to inside refrigerator 10；The middle part of the valve plate 2 is connected to the interior of valve body 1 by the way that shaft 3 is swingable
Portion, head end, which protrudes into, to be swung in chamber 11, and tail end protrudes into pressure balance chamber 12；The pressure of first opening 121 and the second opening
When 122 pressure is equal, pressure equaliser is in reset state, as shown in Figure 1, valve plate 2 resets under the effect of gravity, valve plate
2 closing pressure balance chambers 12 separate the first opening 121, second opening 122, and the pressure of first opening 121 is greater than second
When the pressure of opening 122, pressure equaliser is in negative pressure state, as shown in Fig. 2, it is cold that valve plate 2, which can automatically open valve body 1,
Restore normal pressure inside cabinet 10, specifically, 2 head end of valve plate is swung upward while tail end is towards lower swing, and valve plate 2 opens pressure balance chamber
12 make 122 connection of the first opening 121, second opening, and extraneous air can be reentered inside refrigerator 10, be balanced inside refrigerator
Pressure, guarantee refrigerator 10 inside air pressure with the external world atmospheric pressure it is consistent, enable cabinet door is smooth to open, inside refrigerator 10
After restoring normal pressure, valve plate 2 can reset valve body 1 under the effect of gravity, avoid the cool air leakage of refrigerator 10.
Further, swing chamber 11 is separated by partition 13 inside the valve body 1 and pressure balance chamber 12, shaft 3 is set
It sets on partition 13, which can simplify the structure of valve body 1, convenient for valve body 1 by being integrally machined molding.
Further, the partition 13 wraps shaft 3 and forms shaft-cup, and shaft-cup is isolated shaft 3 with outside air, is avoided
Because the moisture in air freezes, generation ice slag blocks shaft to shaft 3, and it is smooth to guarantee that valve plate 2 is swung, enables pressure equaliser
Enough uses steady in a long-term.
Further, it is equipped with supporting table 111 in the swing chamber 11, when valve plate 2 resets, 111 support of supporting table lives valve plate 2
Head end, can effectively avoid valve plate 2 and resetted because of inertia and swing excessive problem.
Further, it is equipped with sealed step 123 in the pressure balance chamber 12, when valve plate 2 resets, the tail end of valve plate 2 is supported
It leans against and is sealed in sealed step 123, more specifically, the outer rim of the sealed step 123 is equipped with the seal bead towards lower convexity
1231, the tail end outer rim of valve plate 2 is equipped with valve plate boss 21 (or sealing ring) raised upward, when valve plate 2 resets, valve plate boss 21
(or sealing ring) matches sealing with seal bead 1231, which can more effectively guarantee that valve plate 2 can completely close pressure
Dynamic balance chamber 12 further avoids cool air leakage problem.
Further, the head end of the valve plate 2 is equipped with clump weight 22, and clump weight 22 aggravates the weight of 2 head end of valve plate, refrigerator
After normal pressure is restored in 10 inside, under the action of clump weight 22, valve plate 2 can quickly reset swing, and it is flat quickly to close pressure
Weigh chamber 12.
Further, second opening, 122 sides towards the cross-ventilation entrance of evaporator 101 in refrigerator 10, this
For the opening 122 of embodiment second towards the top of the cross-ventilation entrance of evaporator 101 in refrigerator 10, extraneous air passes through valve body
When 1 entrance 10 inside of refrigerator, the moisture in air flows through 101 rapid evaporation of evaporator, effectively prevent asking for 1 assembly of valve body icing
Topic guarantees that pressure equaliser can use steadily in the long term.
Above disclosure is merely preferred embodiments of the utility model, rather than the utility model is limited with this
Claims still belong to what the utility model was protected according to equivalent variations made in scope of protection of the utility model
Range.
Claims (8)
1. a kind of novel refrigerator pressure equaliser, which is characterized in that including valve body (1) and valve plate (2), the valve body (1)
Separate to be equipped with and swing chamber (11) and pressure balance chamber (12), pressure balance chamber (12) upper end is equipped with the first opening being in communication with the outside
(121), lower end is equipped with and internal the second opening (122) being connected to of refrigerator (10)；The middle part of the valve plate (2) passes through shaft (3)
The swingable inside for being connected to valve body (1), head end, which protrudes into, to be swung in chamber (11), and tail end protrudes into pressure balance chamber (12)；It is described
When the pressure of first opening (121) is equal with the second opening pressure of (122), valve plate (2) resets under the effect of gravity, valve plate
(2) closing pressure balance chamber (12) separates the first opening (121), the second opening (122), the pressure of first opening (121)
When power is greater than the pressure of the second opening (122), valve plate (2) head end swings tail end simultaneously upward, and, towards lower swing, valve plate (2), which is opened, is pressed
Dynamic balance chamber (12) makes the first opening (121), the second opening (122) connection.
2. novel refrigerator pressure equaliser according to claim 1, which is characterized in that pass through inside the valve body (1)
Partition (13), which is separated into, swings chamber (11) and pressure balance chamber (12), and shaft (3) is arranged on partition (13).
3. novel refrigerator pressure equaliser according to claim 2, which is characterized in that the partition (13), which wraps, to be turned
Axis (3) forms shaft-cup, and shaft (3) is isolated with outside air in shaft-cup.
4. novel refrigerator pressure equaliser according to claim 1, which is characterized in that be equipped in the swing chamber (11)
Supporting table (111), when valve plate (2) resets, supporting table (111) support lives the head end of valve plate (2).
5. novel refrigerator pressure equaliser according to claim 1, which is characterized in that in the pressure balance chamber (12)
Equipped with sealed step (123), when valve plate (2) resets, the tail end of valve plate (2) is resisted against on sealed step (123) and seals.
6. novel refrigerator pressure equaliser according to claim 5, which is characterized in that the sealed step (123)
Outer rim is equipped with the seal bead (1231) towards lower convexity, and the tail end outer rim of valve plate (2) is equipped with valve plate boss (21) raised upward
Or sealing ring, when valve plate (2) resets, valve plate boss (21) or sealing ring match sealing with seal bead (1231).
7. novel refrigerator pressure equaliser according to claim 1, which is characterized in that the head end of the valve plate (2) is set
There are clump weight (22).
8. any one of -6 novel refrigerator pressure equaliser according to claim 1, which is characterized in that second opening
(122) towards the side of the cross-ventilation entrance of refrigerator (10) interior evaporator (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742880.3U CN208312839U (en) | 2018-05-09 | 2018-05-09 | A kind of novel refrigerator pressure equaliser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742880.3U CN208312839U (en) | 2018-05-09 | 2018-05-09 | A kind of novel refrigerator pressure equaliser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208312839U true CN208312839U (en) | 2019-01-01 |
Family
ID=64712078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820742880.3U Expired - Fee Related CN208312839U (en) | 2018-05-09 | 2018-05-09 | A kind of novel refrigerator pressure equaliser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208312839U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117927709A (en) * | 2024-03-22 | 2024-04-26 | 滨州市美厨厨业有限公司 | Air pressure balance valve of refrigerator |
| CN117927709B (en) * | 2024-03-22 | 2024-06-04 | 滨州市美厨厨业有限公司 | Air pressure balance valve of refrigerator |
-
2018
- 2018-05-09 CN CN201820742880.3U patent/CN208312839U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117927709A (en) * | 2024-03-22 | 2024-04-26 | 滨州市美厨厨业有限公司 | Air pressure balance valve of refrigerator |
| CN117927709B (en) * | 2024-03-22 | 2024-06-04 | 滨州市美厨厨业有限公司 | Air pressure balance valve of refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20210509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |