CN114754535A - Calandria anti-icing device for refrigeration house - Google Patents
Calandria anti-icing device for refrigeration house Download PDFInfo
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- CN114754535A CN114754535A CN202210431116.5A CN202210431116A CN114754535A CN 114754535 A CN114754535 A CN 114754535A CN 202210431116 A CN202210431116 A CN 202210431116A CN 114754535 A CN114754535 A CN 114754535A
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- sealing
- air cavity
- loop bar
- sliding
- sealing element
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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 element and a second sealing element, wherein the fixed frame 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 slide bar and a second loop bar which are sequentially connected in a sliding manner, the first slide bar and the first loop bar define a first air cavity, the first slide bar and the second loop bar define a second air cavity, and when the temperature in the refrigeration house rises, gas in the first air cavity pushes the first slide bar to move towards the direction of the second loop bar; the number of the fixed frames is two, and the sliding directions of the first sliding rods of the two fixed frames are opposite; the first sealing piece and the second sealing piece are sequentially and alternately sleeved on the cold storage rack pipe, so that water vapor is prevented from being attached to the surface of the cold storage rack pipe when the cold storage works normally, and the first sealing piece and the second sealing piece rotate along opposite directions along with the first sliding rods of the two fixing frames to be staggered by a certain angle when the cold storage is heated, and further the attached ice layer on the circumferential side surface of the cold storage rack pipe is accelerated to be 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 freezer 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 and plays an important role in controlling the low-temperature environment in the freezer, the temperature of the freezer is generally below zero in normal work, the rack pipe is exposed in the low-temperature environment in the freezer, and the rack pipe is easy to freeze under the action of water vapor adhesion and low temperature in the freezer to influence the heat exchange function of the rack pipe, so that an anti-icing device is needed to protect the rack pipe and avoid the freezing of the surface of the rack pipe.
Disclosure of Invention
The invention provides an anti-icing device for a rack pipe for a refrigeration house, which aims to solve the problem that the rack pipe of the refrigeration house is easy to freeze in the refrigeration house environment due to exposure.
The invention relates to a calandria anti-icing device for a refrigeration house, which adopts the following technical scheme:
an anti-icing device for a discharge tube of a refrigeration house is arranged outside the discharge tube of the refrigeration house and comprises two fixing frames, a first sealing element and a second sealing element, wherein the two fixing frames are respectively and fixedly arranged on a wall, each fixing frame 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 slide bar and a second loop bar which are sequentially connected in a sliding manner, two ends of each first slide bar are respectively and hermetically arranged in the first loop bar and the second loop bar in a sliding manner, a first air cavity is defined by the first loop bar and a second air cavity is defined by the second loop bar, thermal expansion gas is filled in the first air cavity and the second air cavity, the filling amount of the thermal expansion gas in the first air cavity is greater than that of the thermal expansion gas in the second air cavity, so that the volume of the first air cavity is greater than that of the second air cavity, and the thrust of the first air cavity and the second air cavity to the first slide bar is balanced when the refrigeration house normally works, when the temperature in the refrigerator rises, the gas in the first gas cavity pushes the first slide bar to move towards the second sleeve bar; the first loop bars and the second loop bars of two adjacent first telescopic bars are fixedly connected at the vertex position of the equilateral triangle in an angle of 60 degrees; the two fixing frames are arranged in parallel along the left and right directions of the refrigerator rack pipe, and the fixing frame on the right side is installed around a vertical axis for 180 degrees relative to the fixing frame on the left side, so that the sliding directions of the first sliding rods of the two fixing frames are opposite when the temperature of the refrigerator rises; a horizontally extending first connecting rod is arranged on the right side of each first sliding rod of the left side fixing frame, and a horizontally extending second connecting rod is arranged on the left side of each first sliding rod of the right side fixing frame; the first sealing pieces and the second sealing pieces are respectively provided with a plurality of first sealing pieces and a plurality of second sealing pieces, are sequentially and alternately sleeved outside the freezer discharge pipe along the left-right direction and are positioned between the two fixing frames; the first sealing element and the second sealing element are both telescopic regular triangular prisms, the end faces in the left and right directions of the adjacent first sealing element and the second sealing element are both attached when the refrigeration house normally works, and the circumferential side faces are both parallel to prevent water vapor from attaching to the surface of the refrigeration house rack pipe; the vertex position of each first sealing element is rotatably installed on one second connecting rod, the vertex position of each second sealing element is rotatably installed on one first connecting rod, the first connecting rods and the second connecting rods drive the first sealing elements and the second sealing elements to rotate in opposite directions and stagger for a certain angle when moving along with the first sliding rods of the two fixing frames, and therefore the ice layers attached to the circumferential side faces of the first sealing elements and the circumferential side faces of the second sealing elements are accelerated to break and fall off.
Optionally, the first sealing element and the second sealing element 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 manner along the direction perpendicular to the axial direction of the cold storage rack pipe, the first sleeve plate is positioned on the outer side of the second sleeve plate, and two ends of the sealing plate are respectively installed in the first sleeve plate and the second sleeve plate in a sliding manner so as to be always closed when the first sealing element and the second sealing element expand or relax; the first sleeve plate and the second sleeve plate of two adjacent expansion plates are fixedly connected at the vertex position of the regular triangular prism in an angle of 60 degrees.
Optionally, each sealing plate is provided with a guide key, each first sleeve plate and each second sleeve plate are provided with a sliding groove, and the guide keys are slidably mounted on the sliding grooves, so that the first sleeve plates and the second sleeve plates can slide along the guide keys.
Optionally, the freezer rack pipe anti-icing device further comprises a synchronizing ring, wherein the synchronizing ring is in an equilateral triangle shape 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 manner, two ends of each second slide bar are respectively installed in the third loop bar and the fourth loop bar in a sliding manner, 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 in an angle of 60 degrees; the two synchronizing rings are respectively positioned on 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, the freezer rack anti-icing device further comprises two third sealing elements, the two third sealing elements are sleeved outside the freezer rack and are respectively installed in the two fixing frames to seal two sides of the first sealing element or the second sealing element, and water vapor is prevented from entering the space between the first sealing element, the second sealing element and the freezer rack from the side face.
Optionally, the cylindrical surface diameter that three first connecting rods were injectd is greater than the cylindrical surface diameter that three second connecting rods were injectd, three first connecting rods all are located the outside of three second connecting rods promptly, the summit position of second sealing member has been seted up and has been dodged the groove to allow the second connecting rod to slide along with the first slide bar of left side mount and preset the angle, and first lagging and second lagging all have certain thickness, make the second lagging of first sealing member and second sealing member and the space that freezer calandria injectd seal all the time after first sealing member and second sealing member rotate and preset the angle.
The invention has the beneficial effects that: the first sealing piece and the second sealing piece of the calandria anti-icing device for the refrigerator are sleeved outside the calandria of the refrigerator and mutually attached to prevent water vapor from being attached to the surface of the calandria of the refrigerator, and as the temperature of the refrigerator rises, the heat expansion gas in the first air cavity and the second air cavity in the two fixing frames expands to push the second slide bar to move, and because the fixing frame on the right side is parallel to the fixing frame on the left side and rotates for 180 degrees around a vertical axis, the sliding directions of the three first slide bars of the fixing frame on the left side are opposite to the sliding directions of the three first slide bars of the fixing frame on the right side, and the first connecting rod and the second connecting rod are respectively driven to slide along opposite directions, so that the first sealing piece and the second sealing piece are driven to rotate along opposite directions; the circumferential side surfaces of the first sealing element and the second sealing element are staggered at a certain angle, so that the ice layer coagulated 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 prevent the freezer rack pipe from freezing, and rotate and stagger to break an attached ice layer on the freezer rack pipe when the freezer is heated, so that the influence of the ice layer outside the first sealing piece and the second sealing piece on the normal work of the freezer rack pipe is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view showing the state of the anti-icing device for a bank pipe of a refrigerator according to the present invention;
FIG. 2 is a schematic view of an embodiment of the anti-icing device for a rack pipe of a refrigerator according to the present invention in a normal working state of the refrigerator;
FIG. 3 is a schematic view of an embodiment of the anti-icing device for a rack pipe of a freezer of the present invention in a freezer temperature-rising state;
FIG. 4 is a schematic view showing the connection between the right fixing frame and the second connecting rod in the embodiment of the anti-icing device for a bank-cold storage rack according to the present invention;
FIG. 5 is a schematic view showing the connection between the left fixing frame and the first connecting rod of the anti-icing device for rack pipes in a freezer of the present invention;
FIG. 6 is a sectional view showing the structure of the fixing frame of the ice discharging tube bank in the embodiment of the present invention for a refrigerator;
fig. 7 is a schematic structural view of a part of a first sealing member in the embodiment of the anti-icing device for the rack pipe of the refrigerator of the invention;
FIG. 8 is a schematic view showing a synchronizing ring structure of an embodiment of the anti-icing device for a bank pipe of a refrigerator according to the present invention;
in the figure: 1. a fixed mount; 11. a first air cavity; 12. a second air cavity; 2. a first slide bar; 3. a first connecting rod; 4. a second connecting rod; 5. a first seal member; 51. a sealing plate; 52. a chute; 53. a guide key; 6. a second seal member; 7. a freezer rack pipe; 8. a synchronizer ring; 81. a second slide bar; 9. a third seal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention relates to a freezer calandria anti-icing device, which is arranged outside a freezer calandria 7 and comprises a fixed frame 1, a first sealing element 5 and a second sealing element 6,
the two fixing frames 1 are respectively and fixedly arranged on the 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 slide bar 2 and a second loop bar which are sequentially connected in a sliding manner, two ends of the first slide bar 2 are respectively arranged in the first loop bar and the second loop bar in a sliding and sealing manner and define a first air cavity 11 with the first loop bar, and the second stem define a second air cavity 12, the first air cavity 11 and the second air cavity 12 are filled with thermal expansion gas, and the filling amount of the thermal expansion gas in the first gas cavity 11 is larger than that of the thermal expansion gas in the second gas cavity 12, so that the volume of the first gas cavity 11 is larger than that of the second gas cavity 12, and the first air cavity 11 and the second air cavity 12 balance the thrust of the first slide bar 2 when the refrigeration house normally works, when the temperature in the refrigerator rises, the gas in the first gas cavity 11 pushes the first slide bar 2 to move towards the second sleeve bar; the first loop bars and the second loop bars of two adjacent first telescopic bars are fixedly connected at the vertex position of the equilateral triangle in an angle of 60 degrees; the two fixing frames 1 are arranged in parallel along the left and right directions of the refrigerator rack pipe 7, and the fixing frame 1 on the right side is installed relative to the fixing frame 1 on the left side in a way of rotating for 180 degrees around a vertical axis, so that the sliding directions of the first sliding rods 2 of the two fixing frames 1 are opposite when the temperature of the refrigerator rises;
A horizontally extending first connecting rod 3 is arranged on the right side of each first sliding rod 2 of the left-side fixed frame 1, and a horizontally extending second connecting rod 4 is arranged on the left side of each first sliding rod 2 of the right-side fixed frame 1;
the first sealing elements 5 and the second sealing elements 6 are multiple, sequentially and alternately sleeved outside the cold storage rack pipes 7 in a fitting manner, and are positioned between the two fixing frames 1; the first sealing element 5 and the second sealing element 6 are both telescopic regular triangular prisms, the end faces in the left and right directions of the adjacent first sealing element 5 and the second sealing element 6 are both attached when the refrigeration house normally works, and the circumferential side faces are both parallel to prevent water vapor from attaching to the surface of the refrigeration house 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, the first connecting rods 3 and the second connecting rods 4 respectively drive the first sealing elements 5 and the second sealing elements 6 to rotate in opposite directions and stagger for a certain angle along with the movement of the first sliding rods 2 of the two fixing frames 1, and therefore the ice layers attached to the circumferential side surfaces of the first sealing elements 5 and the second sealing elements 6 are accelerated to break and fall off.
In this embodiment, the first sealing element 5 and the second sealing element 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 cold storage rack pipe 7, the first sleeve plate is positioned on the outer side of the second sleeve plate, and two ends of the sealing plate 51 are respectively installed in the first sleeve plate and the second sleeve plate in a sliding manner so as to be always closed when the first sealing element 5 and the second sealing element 6 expand or relax; the first sleeve plate and the second sleeve plate of two adjacent expansion plates are fixedly connected at the vertex position of the regular triangular prism in an angle of 60 degrees.
In this embodiment, each sealing plate 51 is provided with a guiding key 53, each first strap and second strap are provided with a sliding slot 52 on the inner wall, and the guiding key 53 is slidably mounted on the sliding slot 52, so that the first strap and the second strap slide along the guiding key 53.
In this embodiment, the freezer rack anti-icing device further comprises a synchronizing ring 8, the synchronizing ring 8 is in an equilateral triangle shape 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 81 and a fourth loop bar which are sequentially connected in a sliding manner, two ends of each second slide bar 81 are respectively installed in the third loop bar and the fourth loop bar in a sliding manner, 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 in an angle of 60 degrees; the two synchronizing rings 8 are respectively located at the outer sides of the two fixing frames 1, and three vertex positions of each synchronizing ring 8 are correspondingly installed 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, the freezer is with anti-icing device of calandria still includes third sealing member 9, and third sealing member 9 has two, all overlaps outside freezer calandria 7, and installs respectively in two mount 1 to the both sides of shutoff first sealing member 5 or second sealing member 6 prevent that steam from entering between first sealing member 5, second sealing member 6 and freezer calandria 7 from the side.
In this embodiment, the cylindrical surface diameter that three first connecting rods 3 injectd is greater than the cylindrical surface diameter that three second connecting rods 4 injectd, three first connecting rods 3 all are located the outside of three second connecting rods 4 promptly, the summit position of second sealing member 6 has been seted up and has been dodged the groove, in order to allow second connecting rod 4 to slide certain angle along with the first slide bar 2 of left side mount 1, and first lagging and second lagging all have certain thickness, make first sealing member 5 and second sealing member 6 rotate after presetting the angle the space that first sealing member 5 and second sealing member 6's second lagging and freezer calandria 7 injectd seals all the time.
Under the normal use state of the freezer at low temperature, the first air cavity 11 and the second air cavity 12 balance the thrust of the first slide bar 2, the first slide bar 2 is static under the action of the gas in the first air cavity 11 and the second air cavity 12, the end surfaces of the adjacent first sealing piece 5 and the second sealing piece 6 in the left and right directions are both attached, the circumferential side surfaces are both parallel to prevent water vapor from attaching to the surface of the freezer calandria 7, and the water vapor attaches to the circumferential side surfaces of the first sealing piece 5 and the second sealing piece 6 under the low-temperature action of the freezer and condenses into ice; when the temperature of the refrigerator is increased and other articles need 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 rise of the refrigerator, and because the amount 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 expands to push the first slide bar 2 to slide towards the direction of the second air cavity 12 when the temperature rises in the refrigerator, the fixing frame 1 on the right side is parallel to the fixing frame 1 on the left side and rotates for 180 degrees around a vertical axis, so that the sliding directions of the three first slide bars 2 of the fixing frame 1 on the left side are opposite to the sliding directions of the three first slide bars 2 of the fixing frame 1 on the right side, and the first connecting rod 3 and the second connecting rod 4 are respectively driven to slide along opposite directions, and further the first sealing element 5 and the second sealing element 6 are driven to rotate along opposite directions; the circumferential side surfaces of the first sealing element 5 and the second sealing element 6 are staggered at a certain angle, so that the ice layer coagulated on the first sealing element and the second sealing element is accelerated to break and fall off; because the space defined by the second sleeve plate of the first sealing element 5 and the second sealing element 6 and the refrigerator calandria 7 is always closed, the first sealing element 5, the second sealing element 6 and the third sealing element 9 always play a role in protecting the refrigerator calandria 7; along with freezer temperature reduces to low temperature normal use state once more, the thermal energy gas retraction in first air cavity 11 and the second air cavity 12 is initial state, and first slide bar 2 gets back to initial position under the gaseous pushing effect in first air cavity 11 and the second air cavity 12.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a freezer is with anti-icing device of calandria which characterized in that: the two fixing frames are respectively fixedly arranged on the wall, each fixing frame 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 slide bar and a second loop bar which are sequentially connected in a sliding manner, two ends of each first slide bar are respectively arranged in the first loop bar and the second loop bar in a sliding and sealing manner, a first air cavity is limited by the first loop bar and a second air cavity is limited by the second loop bar, thermal expansion gas is filled in the first air cavity and the second air cavity, the filling amount of the thermal expansion gas in the first air cavity is larger than that of the thermal expansion gas in the second air cavity, the volume of the first air cavity is larger than that of the second air cavity, and the thrust of the first air cavity and the second air cavity to the first slide bar is balanced when the refrigeration house normally works, when the temperature in the refrigerator rises, the gas in the first gas cavity pushes the first slide bar to move towards the direction of the second sleeve bar; the first loop bars and the second loop bars of two adjacent first telescopic bars are fixedly connected at the vertex position of the equilateral triangle in an angle of 60 degrees; the two fixing frames are arranged in parallel along the left and right directions of the refrigerator rack pipe, and the fixing frame on the right side is installed around a vertical axis for 180 degrees relative to the fixing frame on the left side, so that the sliding directions of the first sliding rods of the two fixing frames are opposite when the temperature of the refrigerator rises; a horizontally extending first connecting rod is arranged on the right side of each first sliding rod of the left side fixing frame, and a horizontally extending second connecting rod is arranged on the left side of each first sliding rod of the right side fixing frame; the first sealing pieces and the second sealing pieces are respectively provided with a plurality of sealing pieces, are sequentially and alternately sleeved outside the cold storage discharge pipe along the left-right direction and are positioned between the two fixing frames; the first sealing element and the second sealing element are both telescopic regular triangular prisms, the end faces in the left and right directions of the adjacent first sealing element and the second sealing element are both attached when the refrigeration house normally works, and the circumferential side faces are both parallel to prevent water vapor from attaching to the surface of the refrigeration house rack pipe; the vertex position of each first sealing element is rotatably installed on one second connecting rod, the vertex position of each second sealing element is rotatably installed on one first connecting rod, the first connecting rods and the second connecting rods drive the first sealing elements and the second sealing elements to rotate in opposite directions and stagger for a certain angle when moving along with the first sliding rods of the two fixing frames, and therefore the ice layers attached to the circumferential side faces of the first sealing elements and the circumferential side faces of the second sealing elements are accelerated to break and fall off.
2. The device of claim 1, wherein the device comprises: the first sealing element and the second sealing element are identical in structure and are formed by fixedly connecting and enclosing three telescopic plates end to end, each telescopic plate comprises a first sleeve plate, a sealing plate and a second sleeve plate which are sequentially connected in a sliding mode in the direction perpendicular to the axial direction of the refrigerator rack pipe, the first sleeve plate is located on the outer side of the second sleeve plate, and two ends of the sealing plate are respectively installed in the first sleeve plate and the second sleeve plate in a sliding mode so as to be always closed when the first sealing element and the second sealing element stretch or relax; the first sleeve plate and the second sleeve plate of two adjacent expansion plates are fixedly connected at the vertex position of the regular triangular prism in an angle of 60 degrees.
3. The device of claim 2, wherein the device for preventing freezing of a bank pipe in a refrigerator comprises: every closing plate all is provided with the feather key outward, and every first lagging and second lagging inner wall all are provided with the spout, and feather key slidable mounting makes first lagging and second lagging all slide along the feather key in the spout.
4. The device of claim 1, wherein the device comprises: the three second telescopic rods are fixedly connected end to form a surrounding structure, 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 each second slide bar are respectively installed in the third loop bar and the fourth loop bar in a sliding mode, and the third loop bar and the fourth loop bar of every two adjacent second telescopic rods are fixedly connected at the vertex position of the equilateral triangle in an angle of 60 degrees; the two synchronizing rings are respectively positioned on 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.
5. The device of claim 2, wherein the device for preventing freezing of a bank pipe in a refrigerator comprises: the refrigeration house drainage pipe is characterized by further comprising two third sealing pieces, wherein the two third sealing pieces are sleeved outside the refrigeration house drainage pipe and are respectively installed in the two fixing frames to block two sides of the first sealing piece or the second sealing piece, and water vapor is prevented from entering the space between the first sealing piece, the second sealing piece and the refrigeration house drainage pipe from the side face.
6. The freezer bank-pipe anti-icing device of claim 2, characterized in that: the cylindrical surface diameter that three head rod injectd is greater than the cylindrical surface diameter that three second connecting rod injectd, three head rod all is located the outside of three second connecting rod promptly, the summit position of second sealing member has been seted up and has been dodged the groove, slide along with the first slide bar of left side mount and predetermine the angle with the permission second connecting rod, and first lagging and second lagging all have certain thickness, make first sealing member and second sealing member rotate and predetermine the space that first sealing member and second sealing member's second lagging and freezer calandria injectd and close all the time after the angle.
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| 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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| CN114754535A true CN114754535A (en) | 2022-07-15 |
| CN114754535B CN114754535B (en) | 2023-06-09 |
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| CN114251866A (en) * | 2022-03-01 | 2022-03-29 | 南通市海门雪盾冷冻设备有限公司 | Transmission mechanism for magnetic refrigerator |
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