CN114754535B - Calandria anti-icing device for freezer - Google Patents
Calandria anti-icing device for freezer Download PDFInfo
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- CN114754535B CN114754535B CN202210431116.5A CN202210431116A CN114754535B CN 114754535 B CN114754535 B CN 114754535B CN 202210431116 A CN202210431116 A CN 202210431116A CN 114754535 B CN114754535 B CN 114754535B
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- sealing
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- calandria
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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
- F25D13/00—Stationary devices, e.g. cold-rooms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention relates to the technical field of pipeline protection, in particular to a calandria anti-icing device for a refrigeration house, which comprises a fixed frame, a first sealing piece and a second sealing piece, wherein the fixed frame is formed by fixedly connecting three first telescopic rods in an end-to-end mode and is in an equilateral triangle shape, the first telescopic rods comprise first loop bars, first sliding bars and second loop bars which are sequentially connected in a sliding mode, the first sliding bars and the first loop bars define a first air cavity, the second loop bars define a second air cavity, and when the temperature in the refrigeration house rises, gas in the first air cavity pushes the first sliding bars to move towards the second loop bars; the number of the fixing frames is two, and the sliding directions of the first sliding rods of the two fixing frames are opposite; the first sealing piece and the second sealing piece are sequentially sleeved on the cold storage calandria in an alternating mode, water vapor is prevented from adhering to the surface of the cold storage calandria during normal operation of the cold storage, and the first sealing piece and the second sealing piece are staggered by a certain angle along with the first sliding rods of the two fixing frames in a rotating mode in the opposite direction during temperature rising of the cold storage, so that the ice layers adhering to the circumferential side faces of the first fixing frames are broken and fall off.
Description
Technical Field
The invention relates to the technical field of pipeline protection, in particular to a calandria anti-icing device for a refrigeration house.
Background
The refrigerator is used as a main place for storing articles, plays a vital role in the storage process of various articles, the condenser is used as an important component of refrigeration equipment, plays an important role in controlling the low-temperature environment in the refrigerator, the temperature of the refrigerator is generally below zero in normal operation, the calandria is exposed in the low-temperature environment in the refrigerator, and the water vapor in the refrigerator is adhered to the calandria and is easy to freeze under the action of low temperature to influence the heat exchange function of the calandria, so that an anti-icing device is needed to protect the calandria and avoid the surface of the calandria from icing.
Disclosure of Invention
The invention provides an anti-icing device for a calandria of a refrigeration house, which aims to solve the problem that the calandria of the refrigeration house is easy to freeze when being leaked in the environment of the refrigeration house.
The invention relates to a calandria anti-icing device for a refrigeration house, which adopts the following technical scheme:
the calandria anti-icing device for the refrigeration house is arranged outside the calandria of the refrigeration house and comprises two fixing frames, a first sealing piece and a second sealing piece, wherein each fixing frame is fixedly arranged on a wall and is formed by fixedly connecting three first telescopic rods in an enclosing mode end to end and is in an equilateral triangle shape, each first telescopic rod comprises a first loop bar, a first sliding bar and a second loop bar which are sequentially connected in a sliding mode, two ends of the first sliding bar are respectively and slidably arranged in the first loop bar and the second loop bar in a sealing mode, the first sliding bar and the first loop bar define a first air cavity, the second loop bar define a second air cavity, thermal expansion gas is filled in each of the first air cavity and the second air cavity, the filling amount of the thermal expansion gas in each of the first air cavity is larger than that of the thermal expansion gas in each of the second air cavity, the volume of the first air cavity is larger than that of the second air cavity, the first air cavity and the second air cavity are balanced in thrust force when the refrigeration house works normally, and the first air cavity and the second air cavity in the first air cavity in the sliding bar move towards the second loop bar in the direction when the temperature in the refrigeration house rises; the first loop bar and the second loop bar of two adjacent first telescopic bars are fixedly connected at the vertex position of the equilateral triangle at 60 degrees; the two fixing frames are arranged in parallel along the left-right direction of the cold storage calandria, and the right fixing frame rotates 180 degrees around the vertical axis relative to the left fixing frame to be installed, so that the sliding directions of the first sliding rods of the two fixing frames are opposite when the temperature of the cold storage is increased; the right side of each first sliding rod of the left fixing frame is provided with a first connecting rod which extends horizontally, and the left side of each first sliding rod of the right fixing frame is provided with a second connecting rod which extends horizontally; the first sealing elements and the second sealing elements are multiple and are sequentially sleeved outside the cold storage calandria alternately along the left-right direction and are positioned between the two fixing frames; the first sealing element and the second sealing element are telescopic regular triangular prism shapes, the end faces of the adjacent first sealing element and second sealing element in the left-right direction are attached when the refrigeration house works normally, and the circumferential side faces are parallel to prevent water vapor from adhering to the surface of the refrigeration house calandria; the vertex position of each first sealing element is rotatably arranged on a second connecting rod, the vertex position of each second sealing element is rotatably arranged on a first connecting rod, and the first connecting rod and the second connecting rod drive the first sealing element and the second sealing element to rotate and stagger for a certain angle along opposite directions when moving along with the first sliding rods of the two fixing frames respectively, so that the breaking and falling of ice layers attached to the circumferential side surfaces of the first sealing element and the second sealing element are accelerated.
Optionally, the first sealing element and the second sealing element have the same structure and are formed by fixedly connecting and enclosing three expansion plates end to end, each expansion plate comprises a first sleeve plate, a sealing plate and a second sleeve plate which are sequentially connected in a sliding manner along the direction perpendicular to the axis of the calandria of the refrigeration house, the first sleeve plate is positioned at the outer side of the second sleeve plate, and two ends of the sealing plate are respectively and slidably arranged in the first sleeve plate and the second sleeve plate so as to be always closed when the first sealing element and the second sealing element are expanded or relaxed; the first sleeve plate and the second sleeve plate of the two adjacent expansion plates are fixedly connected at the vertex position of the regular triangular prism at 60 degrees.
Optionally, a guide key is arranged outside each sealing plate, a sliding groove is arranged on the inner wall of each first sleeve plate and the inner wall of each second sleeve plate, and the guide key is slidably arranged on the sliding groove, so that the first sleeve plates and the second sleeve plates slide along the guide keys.
Optionally, the calandria anti-icing device for the refrigeration house further comprises a synchronizing ring, wherein the synchronizing ring is in an equilateral triangle and is formed by fixedly connecting and enclosing three second telescopic rods in a head-tail mode, each second telescopic rod comprises a third sleeve rod, a second sliding rod and a fourth sleeve rod which are sequentially connected in a sliding mode, two ends of each second sliding rod are respectively and slidably arranged in the third sleeve rod and the fourth sleeve rod, and the third sleeve rod and the fourth sleeve rod of two adjacent second telescopic rods are fixedly connected at the vertex position of the equilateral triangle at 60 degrees; the two synchronizing rings are respectively positioned at the outer sides of the two fixing frames, and the three vertex positions of each synchronizing ring are correspondingly arranged on the three first sliding rods of one fixing piece, so that the three first sliding rods synchronously slide under the pushing of the first air cavity.
Optionally, a calandria anti-icing device for freezer still includes the third sealing member, and the third sealing member has two, and all overlaps outside the freezer calandria, and installs respectively in two mounts to shutoff first sealing member or the both sides of second sealing member prevent that steam from getting into between first sealing member, second sealing member and the freezer calandria from the side.
Optionally, the diameter of the cylindrical surface defined by the three first connecting rods is larger than the diameter of the cylindrical surface defined by the three second connecting rods, namely, the three first connecting rods are all located on the outer sides of the three second connecting rods, the avoidance groove is formed in the vertex position of the second sealing piece, so that the second connecting rods can slide along with the first sliding rod of the left fixing frame by a preset angle, the first sleeve plate and the second sleeve plate have certain thickness, and after the first sealing piece and the second sealing piece rotate by the preset angle, the space defined by the second sleeve plates of the first sealing piece and the second sealing piece and the refrigerator calandria is always closed.
The beneficial effects of the invention are as follows: according to the calandria anti-icing device for the freezer, the first sealing element and the second sealing element are sleeved outside the calandria of the freezer and are mutually attached to prevent water vapor from adhering to the surface of the calandria of the freezer, and as the freezer heats up, the first air cavity and the second air cavity in the two fixing frames expand by thermal expansion gas to push the second sliding rod to move; the circumferential side surfaces of the first sealing element and the second sealing element are staggered for a certain angle, so that the frozen ice layer on the first sealing element and the second sealing element is accelerated to break and fall off; the first sealing piece and the second sealing piece not only prevent the cold storage calandria from icing, but also rotationally stagger to crush the ice layer attached to the cold storage calandria when the temperature of the cold storage is raised, so that the ice layer outside the first sealing piece and the second sealing piece is prevented from affecting the normal operation of the cold storage calandria.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of the use state of a calandria anti-icing device for a refrigeration house according to the present invention;
FIG. 2 is a schematic view of an embodiment of a calandria anti-icing device for a refrigerator according to the present invention in a normal operation state of the refrigerator;
FIG. 3 is a schematic view showing an example of an ice protection device for a calandria for a refrigerator according to the present invention in a temperature rising state of the refrigerator;
FIG. 4 is a schematic view showing the connection of the right side fixing frame and the second connecting rod in the embodiment of the calandria anti-icing device for a refrigerator of the present invention;
FIG. 5 is a schematic view showing the connection of the left side fixing frame and the first connecting rod in the embodiment of the calandria anti-icing device for a refrigerator of the present invention;
FIG. 6 is a cross-sectional view of a mounting bracket in an embodiment of a calandria anti-icing device for a cold store according to the present invention;
FIG. 7 is a schematic view of a portion of a first seal in an embodiment of a calandria anti-icing device for a cold store according to the present invention;
FIG. 8 is a schematic view of a synchronizing ring in an embodiment of a calandria anti-icing device for a cold store according to the present invention;
in the figure: 1. a fixing frame; 11. a first air chamber; 12. a second air chamber; 2. a first slide bar; 3. a first connecting rod; 4. a second connecting rod; 5. a first seal; 51. a sealing plate; 52. a chute; 53. a guide key; 6. a second seal; 7. a cold storage calandria; 8. a synchronizing ring; 81. a second slide bar; 9. and a third seal.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of a calandria anti-icing device for a refrigeration house according to the present invention is mounted outside a calandria 7 of the refrigeration house, as shown in fig. 1 to 8, and includes a fixing frame 1, a first sealing member 5, and a second sealing member 6.
The two fixing frames 1 are respectively and fixedly arranged on a wall, each fixing frame 1 is formed by fixedly connecting and enclosing three first telescopic rods end to end and is in an equilateral triangle shape, each first telescopic rod comprises a first loop bar, a first sliding bar 2 and a second loop bar which are sequentially connected in a sliding mode, two ends of the first sliding bar 2 are respectively and slidably arranged in the first loop bar and the second loop bar in a sealing mode, a first air cavity 11 is defined by the first sliding bar and the second loop bar, a second air cavity 12 is defined by the first sliding bar and the second loop bar, thermal expansion gas is filled in the first air cavity 11 and the second air cavity 12, the filling quantity of the thermal expansion gas in the first air cavity 11 is larger than that of the second air cavity 12, the volume of the first air cavity 11 is larger than that of the second air cavity 12, the first air cavity 11 and the second air cavity 12 balance the thrust of the first air cavity 2 when the refrigerator works normally, and the air in the first air cavity 11 pushes the first air cavity 2 to move towards the second air cavity when the temperature in the refrigerator rises; the first loop bar and the second loop bar of two adjacent first telescopic bars are fixedly connected at the vertex position of the equilateral triangle at 60 degrees; the two fixing frames 1 are arranged in parallel along the left-right direction of the cold storage calandria 7, and the right fixing frame 1 is arranged in a 180-degree rotation mode around a vertical axis relative to the left fixing frame 1 so that the sliding directions of the first sliding rods 2 of the two fixing frames 1 are opposite when the temperature of the cold storage rises;
the right side of each first sliding rod 2 of the left fixing frame 1 is provided with a first connecting rod 3 which extends horizontally, and the left side of each first sliding rod 2 of the right fixing frame 1 is provided with a second connecting rod 4 which extends horizontally;
the first sealing pieces 5 and the second sealing pieces 6 are multiple and are sequentially sleeved outside the cold storage calandria 7 alternately and in a fitting way and are positioned between the two fixing frames 1; the first sealing piece 5 and the second sealing piece 6 are telescopic regular triangular prism shapes, when the refrigerator works normally, the end faces of the adjacent first sealing piece 5 and second sealing piece 6 in the left-right direction are attached, and the circumferential side faces are parallel to prevent water vapor from adhering to the surface of the refrigerator calandria 7; the vertex position of each first sealing element 5 is rotatably arranged on one second connecting rod 4, the vertex position of each second sealing element 6 is rotatably arranged on one first connecting rod 3, and when the first connecting rod 3 and the second connecting rod 4 respectively move along with the first sliding rods 2 of the two fixing frames 1, the first sealing elements 5 and the second sealing elements 6 are driven to rotate in opposite directions for staggering a certain angle, so that the breaking and falling of ice layers attached to the circumferential side surfaces of the first sealing elements 5 and the second sealing elements 6 are quickened.
In this embodiment, the first sealing member 5 and the second sealing member 6 have the same structure and are formed by fixedly connecting and enclosing three expansion plates end to end, each expansion plate comprises a first sleeve plate, a sealing plate 51 and a second sleeve plate which are sequentially connected in a sliding manner along the direction perpendicular to the axis of the refrigeration house calandria 7, the first sleeve plate is positioned at the outer side of the second sleeve plate, and two ends of the sealing plate 51 are respectively and slidably arranged in the first sleeve plate and the second sleeve plate so as to be always closed when the first sealing member 5 and the second sealing member 6 expand or relax; the first sleeve plate and the second sleeve plate of the two adjacent expansion plates are fixedly connected at the vertex position of the regular triangular prism at 60 degrees.
In this embodiment, a guide key 53 is disposed outside each sealing plate 51, and a chute 52 is disposed on the inner wall of each of the first and second sets of plates, and the guide key 53 is slidably mounted on the chute 52, so that the first and second sets of plates slide along the guide key 53.
In this embodiment, the calandria anti-icing device for a refrigeration house further includes a synchronizing ring 8, the synchronizing ring 8 is in an equilateral triangle, and is formed by fixedly connecting and enclosing three second telescopic rods end to end, each second telescopic rod includes a third sleeve rod, a second sliding rod 81 and a fourth sleeve rod which are sequentially connected in a sliding manner, two ends of the second sliding rod 81 are respectively and slidably installed in the third sleeve rod and the fourth sleeve rod, and the third sleeve rod and the fourth sleeve rod of two adjacent second telescopic rods are fixedly connected at the vertex position of the equilateral triangle by 60 degrees; the number of the synchronizing rings 8 is two, the synchronizing rings are respectively positioned at the outer sides of the two fixing frames 1, and the three vertex positions of each synchronizing ring 8 are correspondingly arranged on the three first sliding rods 2 of one fixing piece, so that the three first sliding rods 2 synchronously slide under the pushing of the first air cavity 11.
In this embodiment, a calandria anti-icing device for freezer still includes third sealing member 9, and third sealing member 9 has two, and all overlaps outside freezer calandria 7, and installs respectively in two mounts 1 to shutoff first sealing member 5 or the both sides of second sealing member 6 prevent that steam from getting into between first sealing member 5, second sealing member 6 and the freezer calandria 7 from the side.
In this embodiment, the diameter of the cylindrical surface defined by the three first connecting rods 3 is greater than the diameter of the cylindrical surface defined by the three second connecting rods 4, that is, the three first connecting rods 3 are all located at the outer sides of the three second connecting rods 4, the vertex position of the second sealing member 6 is provided with a avoiding groove to allow the second connecting rods 4 to slide along with the first sliding rod 2 of the left fixing frame 1 by a certain angle, and the first sleeve plate and the second sleeve plate have certain thicknesses, so that after the first sealing member 5 and the second sealing member 6 rotate by a preset angle, the space defined by the second sleeve plates of the first sealing member 5 and the second sealing member 6 and the calandria 7 is always closed.
According to the calandria anti-icing device for the cold storage, in a normal use state of the cold storage at low temperature, the first air cavity 11 and the second air cavity 12 balance the thrust of the first sliding rod 2, the first sliding rod 2 is static under the action of air in the first air cavity 11 and the second air cavity 12, the end faces of the adjacent first sealing piece 5 and second sealing piece 6 in the left-right direction are all attached, the circumferential side faces are parallel, so that water vapor is prevented from being attached to the surface of the calandria 7 of the cold storage, and the water vapor is attached to the circumferential side faces of the first sealing piece 5 and the second sealing piece 6 under the low temperature of the cold storage and is condensed into ice; when the temperature of the refrigerator is increased and other articles are required to be stored, the thermal expansion gas in the first air cavity 11 and the second air cavity 12 of the two fixing frames 1 expands along with the temperature increase of the refrigerator, and as the quantity of the thermal expansion gas in the first air cavity 11 is larger than that of the thermal expansion gas in the second air cavity 12, the thermal expansion gas in the first air cavity 11 pushes the first sliding rod 2 to slide towards the second air cavity 12 after expanding when the temperature in the refrigerator increases, the fixing frame 1 on the right side is parallel to the fixing frame 1 on the left side and rotates 180 degrees around the vertical axis to be installed, so that the sliding directions of the three first sliding rods 2 of the fixing frame 1 on the left side are opposite to the sliding directions of the three first sliding rods 2 of the fixing frame 1 on the right side, and the first connecting rod 3 and the second connecting rod 4 are driven to slide along opposite directions respectively, and the first sealing piece 5 and the second sealing piece 6 are driven to rotate along opposite directions; the circumferential side surfaces of the first sealing piece 5 and the second sealing piece 6 are staggered by a certain angle, so that the frozen ice layer on the first sealing piece is quickened to break and fall off; the space defined by the second sleeve plates of the first sealing element 5 and the second sealing element 6 and the cold storage calandria 7 is always closed, so that the first sealing element 5, the second sealing element 6 and the third sealing element 9 always play a role in protecting the cold storage calandria 7; and as the temperature of the refrigeration house is reduced to the low-temperature normal use state again, the thermal expansion gas in the first gas cavity 11 and the second gas cavity 12 is retracted to the initial state, and the first sliding rod 2 returns to the initial position under the pushing action of the gas in the first gas cavity 11 and the second gas cavity 12.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. The utility model provides a calandria anti-icing device for freezer which characterized in that: the refrigerator is characterized in that the refrigerator is arranged outside a refrigerator calandria and comprises two fixing frames, first sealing pieces and second sealing pieces, the fixing frames are respectively and fixedly arranged on a wall, each fixing frame is formed by fixedly connecting three first telescopic rods in an equilateral triangle in an enclosing mode, each first telescopic rod comprises a first sleeve rod, a first sliding rod and a second sleeve rod which are sequentially connected in a sliding mode, two ends of each first sliding rod are respectively and slidably arranged in the first sleeve rod and the second sleeve rod in a sealing mode, the first sliding rod and the first sleeve rod define a first air cavity, the second sleeve rod define a second air cavity, thermal expansion gas is filled in each of the first air cavity and the second air cavity, the filling quantity of the thermal expansion gas in each first air cavity is larger than that in each second air cavity, the volume of each first air cavity is larger than that of the second air cavity, the first air cavity and the second air cavity are in a sliding mode in sequence, the thrust of the first sliding rod is balanced when the refrigerator works normally, and the first air in the refrigerator is pushed to move towards the second sleeve rod in the direction when the temperature in the refrigerator rises; the first loop bar and the second loop bar of two adjacent first telescopic bars are fixedly connected at the vertex position of the equilateral triangle at 60 degrees; the two fixing frames are arranged in parallel along the left-right direction of the cold storage calandria, and the right fixing frame rotates 180 degrees around the vertical axis relative to the left fixing frame to be installed, so that the sliding directions of the first sliding rods of the two fixing frames are opposite when the temperature of the cold storage is increased; the right side of each first sliding rod of the left fixing frame is provided with a first connecting rod which extends horizontally, and the left side of each first sliding rod of the right fixing frame is provided with a second connecting rod which extends horizontally; the first sealing elements and the second sealing elements are multiple and are sequentially sleeved outside the cold storage calandria alternately along the left-right direction and are positioned between the two fixing frames; the first sealing element and the second sealing element are telescopic regular triangular prism shapes, the end faces of the adjacent first sealing element and second sealing element in the left-right direction are attached when the refrigeration house works normally, and the circumferential side faces are parallel to prevent water vapor from adhering to the surface of the refrigeration house calandria; the vertex position of each first sealing element is rotatably arranged on one second connecting rod, the vertex position of each second sealing element is rotatably arranged on one first connecting rod, and the first connecting rod and the second connecting rod drive the first sealing element and the second sealing element to rotate and stagger for a certain angle along opposite directions when moving along with the first sliding rods of the two fixing frames respectively, so that the breaking and falling of ice layers attached to the circumferential side surfaces of the first sealing element and the second sealing element are accelerated;
the first sealing piece and the second sealing piece are identical in structure and are formed by fixedly connecting and enclosing three expansion plates end to end, each expansion plate comprises a first sleeve plate, a sealing plate and a second sleeve plate which are sequentially connected in a sliding mode along the direction perpendicular to the axis of the calandria of the refrigeration house, the first sleeve plate is positioned on the outer side of the second sleeve plate, and two ends of the sealing plate are respectively arranged in the first sleeve plate and the second sleeve plate in a sliding mode so that the first sealing piece and the second sealing piece are always closed when in expansion or diastole; the first sleeve plate and the second sleeve plate of the two adjacent expansion plates are fixedly connected at the vertex position of the regular triangular prism at 60 degrees.
2. The ice bank pipe anti-icing device for a refrigerator according to claim 1, wherein: the sealing plate is provided with a guide key outside, the inner walls of the first sleeve plate and the second sleeve plate are provided with sliding grooves, and the guide key is slidably arranged in the sliding grooves, so that the first sleeve plate and the second sleeve plate slide along the guide key.
3. The ice bank pipe anti-icing device for a refrigerator according to claim 1, wherein: the synchronous ring is in an equilateral triangle and is formed by fixedly connecting and enclosing three second telescopic rods end to end, each second telescopic rod comprises a third loop bar, a second slide bar and a fourth loop bar which are sequentially connected in a sliding mode, two ends of the second slide bar are respectively and slidably arranged in the third loop bar and the fourth loop bar, and the third loop bar and the fourth loop bar of two adjacent second telescopic rods are fixedly connected at the vertex position of the equilateral triangle at 60 degrees; the two synchronizing rings are respectively positioned at the outer sides of the two fixing frames, and the three vertex positions of each synchronizing ring are correspondingly arranged on the three first sliding rods of one fixing piece, so that the three first sliding rods synchronously slide under the pushing of the first air cavity.
4. The ice bank pipe anti-icing device for a refrigerator according to claim 1, wherein: still include the third sealing member, the third sealing member has two, and all overlaps outside the freezer calandria, and installs respectively in two mounts to shutoff first sealing member or the both sides of second sealing member prevent that steam from getting into between first sealing member, second sealing member and the freezer calandria from the side.
5. The ice bank pipe anti-icing device for a refrigerator according to claim 1, wherein: the diameter of the cylindrical surface defined by the three first connecting rods is larger than that defined by the three second connecting rods, namely, the three first connecting rods are located on the outer sides of the three second connecting rods, the avoidance grooves are formed in the vertex positions of the second sealing pieces, so that the second connecting rods are allowed to slide along with the first sliding rods of the left fixing frames for a preset angle, the first sleeve plates and the second sleeve plates are provided with certain thicknesses, and after the first sealing pieces and the second sealing pieces rotate for the preset angle, the space defined by the second sleeve plates of the first sealing pieces and the second sealing pieces and the refrigerator calandria is always closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210431116.5A CN114754535B (en) | 2022-04-22 | 2022-04-22 | Calandria anti-icing device for freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210431116.5A CN114754535B (en) | 2022-04-22 | 2022-04-22 | Calandria anti-icing device for freezer |
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| Publication Number | Publication Date |
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| CN114754535A CN114754535A (en) | 2022-07-15 |
| CN114754535B true CN114754535B (en) | 2023-06-09 |
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| CN202210431116.5A Active CN114754535B (en) | 2022-04-22 | 2022-04-22 | Calandria anti-icing device for freezer |
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| CN114251866B (en) * | 2022-03-01 | 2022-06-07 | 南通市海门雪盾冷冻设备有限公司 | Transmission mechanism for magnetic refrigerator |
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| CN104848632A (en) * | 2015-05-29 | 2015-08-19 | 徐州市海涛制冷设备有限公司 | Intelligent freezer all-in-one machine |
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| CN213687460U (en) * | 2020-09-30 | 2021-07-13 | 上海理工大学 | Freezer calandria defrosting robot |
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