CN220321704U - Refrigerator door opening pressure relief device - Google Patents
Refrigerator door opening pressure relief device Download PDFInfo
- Publication number
- CN220321704U CN220321704U CN202321687180.6U CN202321687180U CN220321704U CN 220321704 U CN220321704 U CN 220321704U CN 202321687180 U CN202321687180 U CN 202321687180U CN 220321704 U CN220321704 U CN 220321704U
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- Prior art keywords
- refrigerator
- hole
- opening
- mounting hole
- top plate
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- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000005187 foaming Methods 0.000 claims abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Refrigerator Housings (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model discloses a door opening pressure relief device of a refrigerator, which comprises a knob, a top plate and a pre-buried box, wherein a connecting shaft, a cam, a bottom plate and a top rod are arranged in the pre-buried box, the pre-buried box is fixedly arranged in a foaming layer of a refrigerator body, the front side surface of the pre-buried box is attached to the inner wall of a shell of the refrigerator body, a second mounting hole is formed in the shell of the refrigerator body, the upper side surface of the pre-buried box is attached to the inner wall of a refrigerator opening of the refrigerator, and a second through hole is formed in the position, in contact with a sealing strip of a cover body of the refrigerator, of the refrigerator opening. In an application scene that a specific refrigerator needs to be depressurized, the sealing strip is jacked up through the top plate, so that a ventilation gap is formed between the sealing strip and the matching surface of the refrigerator opening, further, the balance adjustment of the air pressure inside and outside the refrigerator is realized, and a user can easily open the refrigerator cover body; correspondingly, when the top plate is completely positioned in the second through hole, sealing is formed between the sealing strip and the counter-opening matching surface, air between the inside and the outside of the refrigerator is not circulated any more, and the problem of energy consumption increase caused by cold leakage in the prior art can be effectively avoided.
Description
Technical Field
The utility model relates to the technical field of refrigerators, in particular to a door opening and pressure releasing device of a refrigerator.
Background
The refrigerator generally has a negative pressure phenomenon in the use process, and the formation process is approximately as follows: after the door body is opened, the inside and the outside of the refrigerator compartment are subjected to gas exchange, and external hot air enters the refrigerator compartment; after the door body is closed, the temperature of the hot air in the compartment is gradually reduced under the action of refrigeration, and the pressure in the compartment is reduced, so that the pressure difference is formed between the inside and the outside of the refrigerator. This results in a great effort being required by the user to open the door.
In the prior art, aiming at the technical problem, a plurality of technical schemes for pressure relief to balance the pressure inside and outside the refrigerator are designed, and the most common scheme is to arrange a gas channel communicated with the space inside and outside the refrigerator so as to realize the balance of the pressure inside and outside the refrigerator, but the gas channel involved in the technical scheme has the problems that a user cannot control autonomously, cold leakage and the like; in addition, the low temperature of the refrigerator can lead to frosting at the position of the gas channel, and the gas channel can be blocked for a long time, so that the air pressure balance effect is affected.
There is a need for improvements in the art.
Disclosure of Invention
The utility model aims to provide a door opening and pressure releasing device of a refrigerator, which aims to at least solve one of the technical problems in the prior art, and adopts the following technical scheme to realize the purposes:
the door opening and pressure releasing device for the refrigerator comprises a knob, a top plate and an embedded box, wherein a connecting shaft, a cam, a bottom plate and a push rod are arranged in the embedded box;
the front side of the embedded box is provided with a first mounting hole, the upper side of the embedded box is provided with a first through hole, the inner wall of the lower side of the embedded box is provided with a strip-shaped groove along the left-right direction, the embedded box is fixedly arranged in the foaming layer of the cabinet body, the front side of the embedded box is attached to the inner wall of the outer shell of the cabinet body, the outer shell of the cabinet body is provided with a second mounting hole, the first mounting hole and the second mounting hole are coaxially arranged, the inner diameter of the first mounting hole is smaller than that of the second mounting hole, the upper side of the embedded box is attached to the inner wall of the opening of the refrigerator, a second through hole is arranged at the opening of the refrigerator and in contact with the sealing strip of the cover body of the refrigerator, and the first through hole and the second through hole are coaxially arranged, and the inner diameter of the first through hole is smaller than the inner diameter of the second through hole;
the knob is positioned in the second mounting hole and is in clearance fit with the second mounting hole, and the first end of the connecting shaft is vertically and fixedly connected with the knob;
the cam is rotatably arranged in the strip-shaped groove, a shaft hole is formed in the middle of the cam, and the second end of the connecting shaft penetrates into the shaft hole and is connected with the cam key;
the top plate is located in the second through hole and is in clearance fit with the second through hole, the bottom of ejector rod and bottom plate perpendicular fixed connection, the rim contact of bottom plate and cam, the top of ejector rod passes first through hole and with the perpendicular fixed connection of top plate, can follow the top plate ejecting in the second through hole through rotatory cam.
Preferably, the rear side of the embedded box is provided with an opening so as to facilitate the assembly of all parts in the embedded box, and a sealing rear cover is arranged at the opening.
Preferably, the knob protrudes out of the outer shell of the cabinet.
Preferably, the thickness of the top plate does not exceed the height of the second through hole.
Preferably, the front side of the embedded box is attached to the inner wall of the outer shell of the front side cabinet body of the refrigerator.
Compared with the prior art, the utility model has the beneficial effects that:
according to the door opening pressure relief device for the refrigerator, in an application scene of the specific refrigerator requiring pressure relief, the sealing strip is jacked up through the top plate, so that a ventilation gap is formed between the sealing strip and the matching surface of the refrigerator opening, and further, the balance adjustment of the air pressure inside and outside the refrigerator is realized; correspondingly, when the top plate is completely positioned in the second through hole, sealing is formed between the sealing strip and the counter-opening matching surface, air between the inside and the outside of the refrigerator is not circulated any more, and the problem of energy consumption increase caused by cold leakage in the prior art can be effectively avoided.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of the apparatus of the present utility model.
Fig. 2 is a schematic view of the structure of the embedded box of the utility model.
Fig. 3 is a schematic view of the internal structure of the embedded box of the utility model.
Fig. 4 is a schematic view of the apparatus of the present utility model installed in a refrigerator.
Fig. 5 is an enlarged view of a in fig. 4.
In the figure: 1. a knob; 2. a top plate; 3. embedding a box; 4. a connecting shaft; 5. a cam; 6. a bottom plate; 7. a push rod; 8. sealing the rear cover; 9. a first mounting hole; 10. a first through hole; 11. a strip-shaped groove; 12. a housing; 13. a cabinet opening; 14. a second mounting hole; 15. a sealing strip; 16. and a second through hole.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Furthermore, in the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The preferred embodiment of the utility model provides a refrigerator door opening and pressure releasing device which is arranged on a refrigerator and used for balancing the air pressure inside and outside the refrigerator so as to facilitate a user to easily open a refrigerator door.
As shown in fig. 1 to 5, the device comprises a knob 1, a top plate 2 and a pre-buried box 3, wherein a connecting shaft 4, a cam 5, a bottom plate 6 and a push rod 7 are arranged in the pre-buried box 3.
The embedded box 3 is made of plastic materials, and is integrally formed through an injection molding process, as shown in fig. 2, the rear side of the embedded box 3 is provided with an opening, all parts in the embedded box 3 are conveniently assembled through the opening, and a sealing rear cover 8 is arranged at the opening after the assembly is completed, so that the foaming agent is prevented from entering the embedded box 3 in the foaming process of the refrigerator.
In addition, a first mounting hole 9 is formed in the front side surface of the embedded box 3, and the first mounting hole 9 is circular; the upper side surface of the embedded box 3 is provided with a first through hole 10, and the first through hole 10 is circular; the inner wall of the lower side surface of the embedded box 3 is provided with a strip-shaped groove 11 along the left-right direction.
The embedded box 3 is fixedly arranged in the cabinet body foaming layer, specifically, the front side surface of the embedded box 3 is attached to the inner wall of the outer shell 12 of the refrigerator front side cabinet body, and meanwhile, the upper side surface of the embedded box 3 is attached to the inner wall of the cabinet opening 13 of the refrigerator.
Further, a second mounting hole 14 is formed in the outer shell 12 of the refrigerator front side cabinet body, the second mounting hole 14 is circular, the first mounting hole 9 and the second mounting hole 14 are coaxially arranged, and the inner diameter of the first mounting hole 9 is smaller than that of the second mounting hole 14.
Further, a second through hole 16 is arranged at the position of the refrigerator opening 13, which is contacted with the cover sealing strip 15 of the refrigerator, the second through hole 16 is circular, the first through hole 10 and the second through hole 16 are coaxially arranged, and the inner diameter of the first through hole 10 is smaller than the inner diameter of the second through hole 16.
The knob 1 is located in the second mounting hole 14, and the knob 1 is in clearance fit with the second mounting hole 14 so as to ensure that the knob 1 can freely rotate. The knob 1 protrudes out of the outer shell 12 of the cabinet body, so that the user can conveniently operate the knob to rotate. Since the inner diameter of the first mounting hole 9 is smaller than that of the second mounting hole 14, the knob 1 is limited to prevent the knob 1 from being displaced in the longitudinal direction.
The first end of the connecting shaft 4 is vertically and fixedly connected with the knob 1, and the knob 1 can be rotated to drive the connecting shaft 4 to synchronously rotate.
The cam 5 is rotatably disposed in the bar-shaped groove 11, and the bar-shaped groove 11 plays a limiting role on the cam 5 to prevent the cam 5 from being displaced in the longitudinal direction. The middle position of the cam 5 is provided with a shaft hole, the second end of the connecting shaft 4 penetrates into the shaft hole and is connected with the cam 5 in a key way, and the rotating connecting shaft 4 can drive the cam 5 to synchronously rotate.
The top plate 2 is circular, the top plate 2 is positioned in the second through hole 16 and is in clearance fit with the second through hole 16, the thickness of the top plate 2 does not exceed the height of the second through hole 16, the bottom end of the ejector rod 7 is fixedly connected with the bottom plate 6 vertically, the bottom plate 6 is contacted with the rim of the cam 5, and the top end of the ejector rod 7 passes through the first through hole 10 and is fixedly connected with the top plate 2 vertically.
In the closed state of the refrigerator door, the top plate 2 is completely located in the second through hole 16, and the sealing strip 15 of the cover plate of the refrigerator is closely contacted with the refrigerator opening 13 and completely covers the second through hole 16.
When the user needs to open the freezer, at first carry out the inside and outside atmospheric pressure balance of freezer, rotatory button 1 promptly, button 1 drive connecting axle 4 synchronous rotation, and then drive cam 5 synchronous rotation can be ejecting in the roof 2 from second through-hole 16 when the bellying of cam 5 rotates to the top, and then roof 2 can be with the ejecting clearance of sealing strip 15 of freezer apron, and outside air enters into the inside atmospheric pressure balance that realizes of freezer through this clearance, then the user can relax opens the freezer lid.
In summary, in the refrigerator door opening pressure relief device according to the embodiment of the present utility model, in an application scenario in which a specific refrigerator needs pressure relief, the top plate 2 jacks up the sealing strip 15, so that a ventilation gap is formed between the sealing strip 15 and the mating surface of the cabinet opening 13, and further, the balance adjustment of the air pressure inside and outside the refrigerator is realized; correspondingly, when the top plate 2 is completely positioned in the second through hole 16, sealing is formed between the sealing strip 15 and the matching surface of the cabinet opening 13, and air between the inside and the outside of the refrigerator is not circulated any more, so that the problem of energy consumption increase caused by cold leakage in the prior art can be effectively avoided.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (5)
1. The door opening and pressure releasing device for the refrigerator is characterized by comprising a knob, a top plate and an embedded box, wherein a connecting shaft, a cam, a bottom plate and a push rod are arranged in the embedded box;
the front side of the embedded box is provided with a first mounting hole, the upper side of the embedded box is provided with a first through hole, the inner wall of the lower side of the embedded box is provided with a strip-shaped groove along the left-right direction, the embedded box is fixedly arranged in the foaming layer of the cabinet body, the front side of the embedded box is attached to the inner wall of the outer shell of the cabinet body, the outer shell of the cabinet body is provided with a second mounting hole, the first mounting hole and the second mounting hole are coaxially arranged, the inner diameter of the first mounting hole is smaller than that of the second mounting hole, the upper side of the embedded box is attached to the inner wall of the opening of the refrigerator, a second through hole is arranged at the opening of the refrigerator and in contact with the sealing strip of the cover body of the refrigerator, and the first through hole and the second through hole are coaxially arranged, and the inner diameter of the first through hole is smaller than the inner diameter of the second through hole;
the knob is positioned in the second mounting hole and is in clearance fit with the second mounting hole, and the first end of the connecting shaft is vertically and fixedly connected with the knob;
the cam is rotatably arranged in the strip-shaped groove, a shaft hole is formed in the middle of the cam, and the second end of the connecting shaft penetrates into the shaft hole and is connected with the cam key;
the top plate is located in the second through hole and is in clearance fit with the second through hole, the bottom of ejector rod and bottom plate perpendicular fixed connection, the rim contact of bottom plate and cam, the top of ejector rod passes first through hole and with the perpendicular fixed connection of top plate, can follow the top plate ejecting in the second through hole through rotatory cam.
2. The door opening and pressure relief device for a refrigerator according to claim 1, wherein the rear side of the pre-buried box is provided with an opening to facilitate assembly of all components in the pre-buried box, and a sealed rear cover is arranged at the opening.
3. The door opening and pressure relief device of a refrigerator according to claim 1, wherein said knob protrudes from the outer shell of the cabinet.
4. The door opening and pressure relief device of a refrigerator according to claim 1, wherein the top plate has a thickness not exceeding the height of the second through hole.
5. The door opening and pressure releasing device of a refrigerator according to claim 1, wherein the front side surface of the pre-buried box is attached to the inner wall of the outer shell of the front side cabinet body of the refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321687180.6U CN220321704U (en) | 2023-06-29 | 2023-06-29 | Refrigerator door opening pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321687180.6U CN220321704U (en) | 2023-06-29 | 2023-06-29 | Refrigerator door opening pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220321704U true CN220321704U (en) | 2024-01-09 |
Family
ID=89409660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321687180.6U Active CN220321704U (en) | 2023-06-29 | 2023-06-29 | Refrigerator door opening pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220321704U (en) |
-
2023
- 2023-06-29 CN CN202321687180.6U patent/CN220321704U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |