CN112113386B - Simple detachable air pressure balance defrosting device and refrigerator - Google Patents
Simple detachable air pressure balance defrosting device and refrigerator Download PDFInfo
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- CN112113386B CN112113386B CN202010860504.6A CN202010860504A CN112113386B CN 112113386 B CN112113386 B CN 112113386B CN 202010860504 A CN202010860504 A CN 202010860504A CN 112113386 B CN112113386 B CN 112113386B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/047—Pressure equalising devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0411—Treating air flowing to refrigeration compartments by purification by dehumidification
Abstract
The invention discloses a simple detachable air pressure balance frost-reducing device and a refrigerator, wherein the air pressure balance frost-reducing device comprises a balance cylinder and a balance rod assembly assembled in the balance cylinder, a first cylinder valve plate and a second cylinder valve plate are arranged in the balance cylinder, a drying agent is arranged in a cylinder between the first cylinder valve plate and the second cylinder valve plate, and a spring is arranged in a cylinder between the second cylinder valve plate and an air outlet of the cylinder; the balance rod assembly comprises a rod body, a connecting rod pressing cap connected to the upper end of the rod body and a first sealing head connected to the lower end of the rod body, and the connecting rod pressing cap is arranged in the balance cylinder above the first cylinder valve plate; the rod body is sleeved with a first rod body valve plate assembly and a second rod body valve plate assembly, the first rod body valve plate assembly is located between the first cylinder body valve plate and the drying agent, and the second rod body valve plate assembly is located between the second cylinder body valve plate and the spring. This balanced frost reduction device has realized taking a breath of freezer, and sealed effectual and prevent effectively that air conditioning from revealing and incasement frosting.
Description
Technical Field
The invention relates to the field of refrigeration equipment, in particular to a simple detachable air pressure balance frost reduction device and a freezer.
Background
The freezer is a refrigeration device with low temperature in the refrigerator box, and is commonly used for preserving frozen foods. However, because the temperature in the refrigerator is low, when the refrigerator cover is opened and the door is opened and closed, the temperature in the refrigerator is reduced, so that the pressure difference between the inside and the outside of the refrigerator is large, and the phenomenon that the refrigerator door cannot be normally opened in a short time occurs. In addition, after the cabinet door is opened, the humid air in the air rapidly rushes into the interior of the cabinet body under the action of pressure difference, and the moisture in the air is condensed on the inner wall surface of the freezer to cause frosting, so that the refrigerating effect is influenced, and the appearance is not attractive. The retrieval shows that the conventional refrigerator internal and external balancing device is generally of a fixed structure, is directly foamed in a box body in the production process of the refrigerator, is relatively complex in production process and relatively low in production efficiency, is mostly connected by a pipeline, is complex in structure, and cannot be replaced in time when being damaged and needing to be maintained, so that the use of the refrigerator is influenced; on the other hand, a large part of the molecular sieves of the existing air pressure balancing device are in a normally open state, so that the service life of the molecular sieves is shortened.
Through patent search, there are the following known technical solutions: patent 1: application number CN 104949435A application date publication No. 2015.09.30 the present invention relates to an air-permeable frost-reducing device mounted on a refrigerator door body and a refrigerator, wherein the refrigerator door body comprises a shell and an inner container, and the air-permeable frost-reducing device comprises a molecular sieve box which is communicated with the inside and the outside of the refrigerator and is positioned between the shell and the inner container. The invention adopts the molecular sieve box to communicate the inner side and the outer side of the cabinet body, has simple installation structure, easy operation and no need of other hose connection, has an integral structure suitable for the production of different foaming clamps of rotary die assembly, upper die assembly, lower die assembly and the like of a refrigerator door body, and effectively solves the problem of high energy consumption caused by the fact that the door is not easy to open and frosts due to negative pressure in the refrigerator.
Patent 2: the invention discloses a refrigerator, which relates to the technical field of refrigeration equipment, and is disclosed by application number CN 110736285A application date publication date 2020.01.30. The refrigerator comprises a box body, wherein the box body forms a storage chamber; the door body is hinged with the box body and used for opening or closing the storage chamber; a decompression channel is arranged in the door body and is used for communicating the storage chamber with the external space; the vent valve is arranged in the decompression channel, and is used for switching off the decompression channel in a closed state and switching on the decompression channel in an open state; wherein, when the air pressure difference between the external space and the storage chamber reaches a certain threshold value, a thrust force acting on the ventilation valve is formed so as to change the ventilation valve from a closed state to an open state. The refrigerator provided by the embodiment of the invention is used for refrigerating articles.
Disclosure of Invention
The invention aims to provide a simple detachable air pressure balance frost reduction device, which realizes air exchange of a refrigerator, has good sealing effect, effectively prevents cold air from leaking and frosting in the refrigerator, and can prevent a drying agent filling cavity from being communicated with the outdoor environment, thereby further improving the service efficiency and prolonging the service life of the drying agent.
In order to achieve the purpose, the invention adopts the technical scheme that:
a simple detachable air pressure balance frost reduction device comprises a balance cylinder and a balance rod assembly assembled in the balance cylinder, wherein a first cylinder valve plate and a second cylinder valve plate are arranged in the balance cylinder;
the balance rod assembly comprises a rod body, a connecting rod pressing cap connected to the upper end of the rod body and a first sealing head connected to the lower end of the rod body, and the connecting rod pressing cap is arranged in the balance cylinder above the first cylinder valve plate;
the rod body is sleeved with a first rod body valve plate assembly and a second rod body valve plate assembly, the first rod body valve plate assembly is located between the first cylinder body valve plate and the drying agent, and the second rod body valve plate assembly is located between the second cylinder body valve plate and the spring.
Preferably, the balance cylinder consists of a connecting cylinder part and a clamping cylinder part, and the clamping cylinder part is connected to the upper end of the connecting cylinder part;
the inner diameter value of the clamping cylinder part is the same as that of the connecting cylinder part, and the outer diameter value of the clamping cylinder part is larger than that of the connecting cylinder part; the first cylinder valve plate is connected in the upper part of the clamping cylinder part, and the second cylinder valve plate is connected in the middle part of the clamping cylinder part.
Preferably, the connecting cylinder part is in a circular cylinder shape, and cylinder holes in the connecting cylinder part and the clamping cylinder part are circular holes;
the first sealing head comprises a first sealing clamping block and a second sealing washer, the first sealing clamping block is in a circular block shape, and the first sealing clamping block is fixedly connected with the lower end of the rod body; the second sealing washer is sleeved outside the rod body and clamped on the inner end face of the first sealing clamping block;
a third sealing clamping ring is arranged in a lower air outlet of the connecting cylinder part, the rod body penetrates through the third sealing clamping ring, and the first sealing clamping block is clamped outside the third sealing clamping ring.
Preferably, the rod body is an oval rod, the first cylinder valve plate and the second cylinder valve plate are both in a circular plate shape, first rod body positioning holes for connecting the rod body are formed in the middle of the first cylinder valve plate and the middle of the second cylinder valve plate, and the first rod body positioning holes are in an oval hole shape;
a plurality of groups of first valve sheet vent hole groups are arranged on the first cylinder valve sheet and the second cylinder valve sheet outside the first rod body positioning hole, and the arrangement direction of the first valve sheet vent hole groups is vertical and horizontal; each group of first valve plate vent hole groups comprises a plurality of first valve plate vent holes which are longitudinally arranged.
Preferably, the rod body is in an elliptic rod shape, the rod body penetrates through the first rod body positioning hole, and the profile of the rod body is matched with the first rod body positioning hole;
the first rod body valve plate assembly comprises a first lower valve plate and a first upper gasket, the first lower valve plate is in a circular plate shape, the first upper gasket is a circular rubber sheet, a plurality of groups of first rod body vent hole groups are arranged on the first lower valve plate and the first upper gasket, and the arrangement direction of the first rod body vent hole groups is a diagonal direction inclined by 45 degrees;
each first rod body vent hole group comprises a plurality of first rod body vent holes which are longitudinally arranged.
Preferably, the second rod body valve plate assembly comprises a second lower valve plate and a second upper gasket, the second lower valve plate is in a circular plate shape, and the second upper gasket is a circular rubber sheet;
a plurality of groups of second rod body vent hole groups are arranged on the second lower valve plate and the second upper gasket respectively, and the arrangement direction of the second rod body vent hole groups is a diagonal direction inclined by 45 degrees;
each group of second rod body vent hole groups comprise a plurality of second rod body vent holes which are longitudinally arranged.
Preferably, the spring is a circular spring, the lower end of the spring is clamped in a clamping ring groove on the inner end face of the third sealing clamping ring, and the upper end of the spring is connected with the lower end of the first rod body valve plate assembly; the rod body penetrates through the spring.
Preferably, the connecting rod pressure cap is in a circular tube shape, and a pressure cap air inlet hole is formed in the side end face or the upper end face of the connecting rod pressure cap.
Another object of the present invention is to provide a refrigerator.
In order to achieve the purpose, the invention adopts the technical scheme that:
a refrigerator comprises the simple detachable air pressure balance frost reduction device.
Preferably, the freezer includes the cabinet body, and it is interior to reserve on the cabinet body has the installation hole site, the balanced defrosting device adaptation of simple and easy dismantlement formula atmospheric pressure is connected in the installation hole site.
The invention has the beneficial effects that:
above-mentioned simple and easy dismantlement formula atmospheric pressure balance subtracts white device, when needs open the door, press the connecting rod and press the cap (or make the spring shrink under the box internal and external differential pressure effect), first sealed head and gas outlet separation. The spring contracts, the cylinder valve plate and the rod body valve plate are separated, and the air pressure balance valve forms a passage. Under the action of indoor and outdoor pressure difference, outdoor air enters from the air inlet and enters into the filling cavity filled with the drying agent through the first cylinder valve plate, the first upper gasket and the first lower valve plate, and the drying agent filling cavity can be filled with the molecular sieve or other particulate drying agents. The air pressure balance frost reducing device is provided with the novel balance cylinder and the balance rod assembly, and is simple to assemble and good in balance effect. The device is convenient and simple to install, and improves the production efficiency. The device can be used for replacing the drying agent at any time or replacing the drying agent integrally, has simple structure, convenient disassembly and lower cost, thereby ensuring the superior performance of the freezer all the time.
Drawings
In order to clearly illustrate the embodiments or technical solutions of the present invention in the prior art, the drawings used in the description of the embodiments or prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic sectional view of the overall structure of a simple detachable air pressure balance defrosting device.
Fig. 2 is a schematic sectional view of a part of the structure of the simple detachable air pressure balance frost reduction device.
Fig. 3 is a schematic front view of the overall structure of the balance cylinder.
Fig. 4 is a schematic sectional view of the overall structure of the balance cylinder.
Fig. 5 is an isometric view of the overall structure of the balance bar assembly.
FIG. 6 is a front view of the first cylinder valve plate.
FIG. 7 is a schematic view of the positions of the first lower valve plate and the first upper gasket structure.
Fig. 8 is a schematic view of the overall structure of the cabinet.
Detailed Description
The invention provides a simple detachable air pressure balance frost reduction device and a freezer, and the invention is further described in detail below in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention is described in detail below with reference to the accompanying drawings:
example 1
With reference to fig. 1 to 7, a simple detachable air pressure balance frost reduction device comprises a balance cylinder 1 and a balance rod assembly 2 assembled in the balance cylinder 1, wherein a first cylinder valve plate 11 and a second cylinder valve plate 12 are arranged in the balance cylinder 1, a drying agent is arranged in the cylinder 1 between the first cylinder valve plate 11 and the second cylinder valve plate 12, and a spring 3 is arranged in the cylinder 1 between the second cylinder valve plate 12 and an air outlet of the cylinder 1.
The balancing pole component 2 comprises a pole body 21, a connecting rod pressing cap 22 connected to the upper end of the pole body 21 and a first sealing head 23 connected to the lower end of the pole body 21, and the connecting rod pressing cap 22 is assembled in the balancing cylinder 1 above the first cylinder valve plate 11. The first rod valve plate assembly 24 and the second rod valve plate assembly 25 are sleeved on the rod body 21, the first rod valve plate assembly 24 is located between the first cylinder valve plate 11 and the drying agent, and the second rod valve plate assembly 25 is located between the second cylinder valve plate 12 and the spring 3.
The balance cylinder 1 consists of a connecting cylinder part 13 and a clamping cylinder part 14, and the clamping cylinder part 14 is connected to the upper end of the connecting cylinder part 13; the inner diameter of the detent cylinder portion 14 is equal to the inner diameter of the connecting cylinder portion 13, and the outer diameter of the detent cylinder portion 14 is larger than the outer diameter of the connecting cylinder portion 13. The first cylinder valve plate 11 is connected in the upper part of the clamping cylinder part 14, and the second cylinder valve plate 12 is connected in the middle part of the clamping cylinder part 14.
The connecting cylinder 13 has a circular cylindrical shape, and the cylinder holes in the connecting cylinder 13 and the locking cylinder 14 are circular holes. The first sealing head 23 comprises a first sealing clamping block 231 and a second sealing washer 232, the first sealing clamping block 231 is in a circular block shape, and the first sealing clamping block 231 is fixedly connected with the lower end of the rod body 21; the second sealing washer 232 is sleeved on the rod 21 and clamped on the inner end surface of the first sealing and clamping block 231.
A third sealing clamping ring 131 is arranged in the lower air outlet of the connecting cylinder part 13, the rod body 21 passes through the third sealing clamping ring 131, and the first sealing clamping block 231 is clamped outside the third sealing clamping ring 131.
The rod body 21 is an oval rod, the first cylinder valve plate 11 and the second cylinder valve plate 12 are both in a circular plate shape, the first rod body positioning hole 15 used for connecting the rod body 21 is formed in the middle of the first cylinder valve plate 11 and the middle of the second cylinder valve plate 12, and the first rod body positioning hole 15 is in an oval hole shape.
A plurality of groups of first valve sheet vent hole groups are arranged on the first cylinder valve sheet 11 and the second cylinder valve sheet 12 outside the first rod body positioning hole 15, and the arrangement direction of the first valve sheet vent hole groups is vertical and horizontal; each first valve plate vent hole group comprises a plurality of first valve plate vent holes 16 which are longitudinally arranged.
The rod 21 is in the shape of an oval rod, the rod 21 passes through the first rod positioning hole 15, and the profile of the rod 21 is matched with that of the first rod positioning hole 15. Since the rod 21 is in the shape of an oval rod and the first rod positioning hole 15 is in the shape of an oval hole, the first rod positioning hole 15 can prevent the rod 21 from rotating after the rod 21 is fitted in the first rod positioning hole 15.
First rod valve plate assembly 24 includes first lower valve plate 241 and first upper gasket 242, and first lower valve plate 241 is circular plate-shaped, and first upper gasket 242 is circular rubber sheet. A plurality of groups of first rod body vent hole groups are arranged on the first lower valve plate 241 and the first upper gasket 242, and the arrangement direction of the first rod body vent hole groups is a diagonal direction inclined by 45 degrees; each set of first rod vents includes a plurality of longitudinally arranged first rod vents 243.
The second rod valve plate assembly 25 includes a second lower valve plate 251 and a second upper gasket 252, the second lower valve plate 251 is circular plate-shaped, and the second upper gasket 252 is a circular rubber sheet. A plurality of groups of second rod body vent hole groups are arranged on the second lower valve plate 251 and the second upper gasket 252, the setting direction of the second rod body vent hole groups is a diagonal direction inclined by 45 degrees, and each group of second rod body vent hole groups comprises a plurality of longitudinally arranged second rod body vent holes 253.
The spring 3 is a circular spring, the lower end of the spring 3 is clamped in a clamping ring groove on the inner end surface of the third sealing clamping ring 131, and the upper end of the spring 3 is connected with the lower end of the first rod body valve plate assembly 24; the rod 21 passes through the spring 3. The connecting rod pressing cap 22 is in a circular tube shape, and a pressing cap air inlet 221 is formed in the side end face or the upper end face of the connecting rod pressing cap 22.
Example 2
With reference to fig. 1 to 8, a refrigerator includes the above simple detachable air pressure balance frost reduction device. The freezer includes the cabinet body 4, has mounting hole 41 on the cabinet body 4 in advance, the balanced defroster adaptation of simple and easy dismantlement formula atmospheric pressure is connected in the mounting hole site.
The installation hole site of the air pressure balance frost reducing device is reserved in the box body foaming process, the air pressure balance frost reducing device can be directly installed at the reserved hole site in the product final assembly process, the reserved hole site has no position limitation, the reserved position can be changed on the box body or the box cover according to actual requirements, the device does not need to be changed on the existing production process of the refrigerator, so that the production efficiency is improved, the drying agent can be replaced at any time or the whole refrigerator can be replaced, the structure is simple, the disassembly is convenient, the cost is lower, and the refrigerator can always ensure superior performance.
Example 3
Above-mentioned simple and easy dismantlement formula atmospheric pressure balance subtracts white device, when needs open the door, press the connecting rod and press the cap (or make the spring shrink under the box internal and external differential pressure effect), first sealed head and gas outlet separation. The spring contracts, the cylinder valve block and the rod body valve block are separated, the air pressure balance valve forms a passage, outdoor air enters from the air inlet under the action of indoor and outdoor pressure difference, enters the filling cavity filled with the drying agent through the first cylinder valve block, the first upper gasket and the first lower valve block, and the drying agent filling cavity can be filled with molecular sieves or other particulate drying agents.
After being dried, the air enters the spring cavity for mounting the spring through the second cylinder valve plate, the second upper gasket and the second lower valve plate, and then the air enters the room through the air outlet, so that the indoor and outdoor pressure is rapidly balanced. When the connecting rod pressing cap is loosened, the spring relaxes, the connecting rod pressing cap pops up under the action of the spring, the air inlet is closed, and the rod body valve plate assembly and the cylinder body valve plate are attached together. Because the vent hole in the rod body valve block component and the vent hole of the cylinder body valve block are staggered in direction, when the two valve blocks are tightly attached, the sealing effect is achieved, and the drying agent in the drying agent filling cavity is sealed from two ends.
In the air pressure balance frost reducing device, three sealing structures are formed in the balance frost reducing device through a group of sealing heads and two groups of sealing valve plate structures, one layer is arranged at an air outlet, and a cylinder body and a connecting rod are closed under the action of the elastic force of a spring to compress a sealing gasket, so that the sealing effect is achieved; the other two layers of sealing positions are arranged at the joint of the rod body valve plate and the cylinder body valve plate, and the air channel and the drying agent filling cavity are sealed; thereby reach tertiary sealed effect, effectively prevent that air conditioning from revealing with the incasement frosting, also can prevent simultaneously that the drier from filling the cavity and communicating with each other with outdoor environment to further improve the availability factor and the life of drier.
According to the invention, the rod body is provided with the connecting rod with the oval structure, so that the rod body and the connecting structure are prevented from rotating in the balance cylinder 1, and the sealing effect of the cylinder body valve plate and the rod body valve plate can be effectively improved. The vent hole on the rod body valve block is arranged in the diagonal direction inclined by 45 degrees, the vent hole on the cylinder body valve block is arranged in the vertical horizontal direction, and when the rod body valve block and the cylinder body valve block are tightly combined, the vent hole of the rod body valve block and the vent hole of the cylinder body valve block are sealed in a staggered mode due to different vent hole directions, so that the closing effect is achieved.
The spring with proper elasticity coefficient can be selected to control the opening and closing of the air pressure balance frost reducing valve according to different refrigerator requirements, when the elasticity coefficient of the spring is proper, manual control is not needed, and the air pressure balance frost reducing device pushes the spring to control the opening and closing under the action of indoor and outdoor pressure difference, so that the purpose of automatic air pressure inside and outside the air chamber is achieved; the air inlet can be arranged at the top of the pressing cap, so that the protruding height is reduced, and the product appearance is more attractive. The drying agent or the molecular sieve can be independently stored in the drying box designed according to the shape of the drying agent filling cavity, and when the drying agent or the molecular sieve reaches the service life or is damaged, the drying bag can be independently replaced, so that the drying bag is more convenient and quicker.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Parts which are not described in the invention can be realized by adopting or referring to the prior art.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (8)
1. A simple detachable air pressure balance frost reduction device is characterized by comprising a balance cylinder and a balance rod assembly assembled in the balance cylinder, wherein a first cylinder valve plate and a second cylinder valve plate are arranged in the balance cylinder;
the balance rod assembly comprises a rod body, a connecting rod pressing cap connected to the upper end of the rod body and a first sealing head connected to the lower end of the rod body, and the connecting rod pressing cap is arranged in the balance cylinder above the first cylinder valve plate;
the rod body is sleeved with a first rod body valve plate assembly and a second rod body valve plate assembly, the first rod body valve plate assembly is located between the first cylinder body valve plate and the drying agent, and the second rod body valve plate assembly is located between the second cylinder body valve plate and the spring.
2. The simple detachable air pressure balance frost reduction device according to claim 1, wherein the balance cylinder is composed of a connecting cylinder part and a clamping cylinder part, and the clamping cylinder part is connected to the upper end of the connecting cylinder part;
the inner diameter value of the clamping cylinder part is the same as that of the connecting cylinder part, and the outer diameter value of the clamping cylinder part is larger than that of the connecting cylinder part; the first cylinder valve plate is connected in the upper part of the clamping cylinder part, and the second cylinder valve plate is connected in the middle part of the clamping cylinder part.
3. The simple detachable air pressure balance frost reduction device according to claim 2, wherein the connecting cylinder part is in a circular cylinder shape, and cylinder holes in the connecting cylinder part and the clamping cylinder part are circular holes;
the first sealing head comprises a first sealing clamping block and a second sealing washer, the first sealing clamping block is in a circular block shape, and the first sealing clamping block is fixedly connected with the lower end of the rod body; the second sealing washer is sleeved outside the rod body and clamped on the inner end face of the first sealing clamping block;
a third sealing clamping ring is arranged in a lower air outlet of the connecting cylinder part, the rod body penetrates through the third sealing clamping ring, and the first sealing clamping block is clamped outside the third sealing clamping ring.
4. The simple detachable air pressure balance frost reduction device according to claim 1, wherein the rod body is an elliptical rod, the first cylinder valve plate and the second cylinder valve plate are both in a circular plate shape, a first rod body positioning hole for connecting the rod body is formed in the middle of the first cylinder valve plate and the middle of the second cylinder valve plate, and the first rod body positioning hole is in an elliptical hole shape;
a plurality of groups of first valve sheet vent hole groups are arranged on the first cylinder valve sheet and the second cylinder valve sheet outside the first rod body positioning hole, and the arrangement direction of the first valve sheet vent hole groups is vertical and horizontal; each group of first valve plate vent hole groups comprises a plurality of first valve plate vent holes which are longitudinally arranged.
5. The simple detachable air pressure balance frost reduction device of claim 3, wherein the spring is a circular spring, the lower end of the spring is clamped in the clamping ring groove on the inner end surface of the third sealing clamping ring, and the upper end of the spring is connected with the lower end of the second rod body valve plate assembly; the rod body penetrates through the spring.
6. The simple detachable air pressure balance frost reduction device of claim 1, wherein the connecting rod pressure cap is in a shape of a circular tube, and an air inlet hole of the pressure cap is formed in a side end surface or an upper end surface of the connecting rod pressure cap.
7. A refrigerator characterized by comprising the simple detachable air pressure balance frost reducing device of any one of claims 1 to 6.
8. The refrigerator of claim 7, which comprises a cabinet body, wherein the cabinet body is reserved with a mounting hole, and the simple detachable air pressure balance frost reducing device is connected in the mounting hole in an adaptive manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010860504.6A CN112113386B (en) | 2020-08-25 | 2020-08-25 | Simple detachable air pressure balance defrosting device and refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010860504.6A CN112113386B (en) | 2020-08-25 | 2020-08-25 | Simple detachable air pressure balance defrosting device and refrigerator |
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| Publication Number | Publication Date |
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| CN112113386A CN112113386A (en) | 2020-12-22 |
| CN112113386B true CN112113386B (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010860504.6A Active CN112113386B (en) | 2020-08-25 | 2020-08-25 | Simple detachable air pressure balance defrosting device and refrigerator |
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| CN115468359B (en) * | 2021-06-11 | 2024-03-15 | 青岛海尔特种电冰柜有限公司 | Air pressure balance valve and refrigerator with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07190603A (en) * | 1993-11-30 | 1995-07-28 | Samsung Electronics Co Ltd | Refrigerator on which pressure balancer is mounted |
| CN2392144Y (en) * | 1999-09-14 | 2000-08-16 | 殷兴武 | Manual pneumatic adjusting valve for refrigerator |
| CN202902742U (en) * | 2012-10-24 | 2013-04-24 | 海尔集团公司 | Balance valve used for opening and closing of door of refrigerator and refrigerator provided with balance valve |
| CN104514700A (en) * | 2015-01-12 | 2015-04-15 | 台州环天机械有限公司 | Air valve for compressor |
| FR3048477A1 (en) * | 2016-03-04 | 2017-09-08 | Froilabo | SAFETY VALVE |
-
2020
- 2020-08-25 CN CN202010860504.6A patent/CN112113386B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07190603A (en) * | 1993-11-30 | 1995-07-28 | Samsung Electronics Co Ltd | Refrigerator on which pressure balancer is mounted |
| CN2392144Y (en) * | 1999-09-14 | 2000-08-16 | 殷兴武 | Manual pneumatic adjusting valve for refrigerator |
| CN202902742U (en) * | 2012-10-24 | 2013-04-24 | 海尔集团公司 | Balance valve used for opening and closing of door of refrigerator and refrigerator provided with balance valve |
| CN104514700A (en) * | 2015-01-12 | 2015-04-15 | 台州环天机械有限公司 | Air valve for compressor |
| FR3048477A1 (en) * | 2016-03-04 | 2017-09-08 | Froilabo | SAFETY VALVE |
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| CN112113386A (en) | 2020-12-22 |
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