CN211903475U - Multifunctional heat-preservation cold storage door for low-temperature cold storage - Google Patents
Multifunctional heat-preservation cold storage door for low-temperature cold storage Download PDFInfo
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- CN211903475U CN211903475U CN202020270848.7U CN202020270848U CN211903475U CN 211903475 U CN211903475 U CN 211903475U CN 202020270848 U CN202020270848 U CN 202020270848U CN 211903475 U CN211903475 U CN 211903475U
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Abstract
The utility model relates to the technical field of refrigeration, and discloses a multifunctional heat-preservation cold-storage door for a low-temperature cold storage, which comprises a heat-preservation door body, wherein the top of the heat-preservation door body is provided with an air pressure balance window inner shell, a movable controller with an electric heating self-temperature-limiting function inside the air pressure balance window inner shell can move left and right under the action of the pressure difference inside and outside the cold storage, when the pressure inside and outside the cold storage is balanced, the movable controller with the electric heating self-temperature-limiting function returns under the action of a stopper, and seals and isolates the air inside and outside the cold storage from the periphery of the shell, the controller can prevent frosting adhesion from the electric heating temperature-limiting function, the low-temperature-resistant sealing strip made of ethylene propylene diene monomer has the advantages of high mechanical property, good low-temperature property, long service life and the like, and further ensures the sealing property of the heat-preservation door, has the advantage of balancing the pressure inside and outside the refrigeration house.
Description
Technical Field
The utility model relates to the field of refrigeration technology, specifically a multi-functional heat preservation cold-stored door for low temperature freezer.
Background
For a low-temperature cold storage for storing frozen products, the temperature inside the cold storage is generally below minus 18 ℃, and the temperature outside the cold storage is above minus twenty-three ℃, so that the temperature difference between the inside and the outside of the wall body of the cold storage is very large, the cold storage is a building with very good sealing performance and very good heat insulation performance, and due to the heat expansion and cold contraction of air, a very large pressure difference is formed between the inside and the outside of the cold storage in the operation process of the low-temperature cold storage, and the pressure difference is changed along with the operation condition of equipment, when the cold storage is cooled, the pressure outside the cold storage is greater than the pressure inside the cold storage, the cold storage door is very strenuous to open, the cold storage plate is deformed seriously for the combined cold storage, and when an evaporator inside the cold storage is defrosted, the temperature inside the cold storage can be increased to cause the expansion of air inside the cold storage, the cold storage door is opened to damage the sealing and the cold storage to run cold storage, the technical problem to be solved is solved.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a multi-functional heat preservation cold-stored door for low temperature freezer possesses the advantage of balanced freezer internal and external pressure, has solved the unbalanced problem of freezer internal and external pressure.
(II) technical scheme
For the purpose of realizing the internal and external pressure of the above-mentioned balanced freezer, the utility model provides a following technical scheme: the utility model provides a multi-functional heat preservation cold-stored door for low temperature freezer, includes the heat preservation door body, the resistant low temperature sealing strip of bottom fixedly connected with of the heat preservation door body, the outer wall fixedly connected with door handle of the heat preservation door body, the interior casing of top fixedly connected with atmospheric pressure balance window of the heat preservation door body, the outer wall fixedly connected with atmospheric pressure balance window outer casing of the interior casing of atmospheric pressure balance window, the inner wall fixedly connected with stopper of the interior casing of atmospheric pressure balance window, the top fixedly connected with controller of stopper, the left side of controller is provided with outer filter, the right side of controller is provided with interior filter, the top fixedly connected with translation track of the interior casing of atmospheric pressure balance window.
Preferably, the inner side and the outer side of the heat preservation door body are both provided with an air pressure balance window outer shell and an air pressure balance window inner shell, so that air pressure is balanced conveniently.
Preferably, the outer shell of the air pressure balance window is in an umbrella skirt shape, so that the air pressure balance window not only plays a role in balancing air pressure, but also can prevent dust from falling into the air pressure balance window.
Preferably, the stopper is formed of a spring, which has an excellent control effect.
Preferably, the controller is provided with an external power supply which has an electric heating self-temperature-limiting function and can move.
Preferably, the low-temperature-resistant sealing strip is made of ethylene propylene diene monomer, the ethylene propylene diene monomer has the advantages of high mechanical property, good low-temperature property, long service life and the like, and the sealing property of the heat-insulating door body is further ensured.
Preferably, the outer wall of the door handle is provided with the thread strip, so that the anti-skidding effect is achieved, and the slipping situation of the hands of workers is effectively prevented.
(III) advantageous effects
Compared with the prior art, the utility model provides a multi-functional heat preservation cold-stored door for low temperature freezer possesses following beneficial effect:
1. this a multi-functional heat preservation cold-stored door for low temperature freezer, the effect through the difference between the inside and outside of freezer makes the inside electrified heating of the interior shell of atmospheric pressure balance window from the function portable controller of limit for temperature function can remove, when the pressure is balanced inside and outside the freezer, electrified heating is from the return under the effort of limit for temperature movable controller at the stopper, and seal all around with the casing and keep apart the inside and outside air of freezer, the controller can prevent the adhesion that frosts from electrified heating limit for temperature function, through the interior shell of atmospheric pressure balance window, cooperation between controller and the stopper is used, thereby the effect that can effectively balance the pressure inside and outside the freezer has been reached.
2. This a multi-functional heat preservation cold-stored door for low temperature freezer, can prevent through setting up of full skirt form atmospheric pressure balance window shells inside the dust falls into the atmospheric pressure balance window, also there is the effect of balanced atmospheric pressure, the low temperature resistant sealing strip of EPT rubber material has mechanical properties height, low temperature performance is good and advantages such as long service life, further assurance the leakproofness of the heat preservation door body, through atmospheric pressure balance window shells, low temperature resistant sealing strip and the cooperation between the heat preservation door body use, thereby reached and enabled the effect of the heat preservation door body more safety and stability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a partially enlarged schematic view of the controller of the present invention.
In the figure: 1-heat preservation door body, 2-translation track, 3-air pressure balance window outer shell, 4-air pressure balance window inner shell, 5-limiter, 6-outer filter, 7-controller, 8-inner filter, 9-low temperature resistant sealing strip and 10-door handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a multifunctional thermal insulation cold storage door for a low temperature refrigerator comprises a thermal insulation door body 1, a low temperature resistant sealing strip 9 is fixedly connected to the bottom of the thermal insulation door body 1, the low temperature resistant sealing strip 9 is made of ethylene propylene diene monomer, the ethylene propylene diene monomer has the advantages of high mechanical property, good low temperature property, long service life and the like, the sealing property of the thermal insulation door body 1 is further ensured, a door handle 10 is fixedly connected to the outer wall of the thermal insulation door body 1, a threaded strip is arranged on the outer wall of the door handle 10 to play a role of anti-skidding, the occurrence of hand skidding of a worker is effectively prevented, an air pressure balance window inner shell 4 is fixedly connected to the top of the thermal insulation door body 1, an air pressure balance window outer shell 3 is fixedly connected to the outer wall of the air pressure balance window inner shell 4, the air pressure balance window outer shell 3 is in an umbrella skirt shape to play a, the inside and outside of the heat preservation door body 1 all is provided with the balanced window outer casing of atmospheric pressure 3 and the balanced window interior casing of atmospheric pressure 4, the balance of the atmospheric pressure of being convenient for, the inner wall fixedly connected with stopper 5 of the balanced window interior casing of atmospheric pressure 4, stopper 5 comprises the spring, there is excellent control effect, stopper 5's top fixedly connected with controller 7, 7 external power supplies of controller, electrified heating is from the limit for temperature function and can remove, the left side of controller 7 is provided with outer filter 6, the right side of controller 7 is provided with interior filter 8, the top fixedly connected with translation track 2 of the balanced window interior casing of atmospheric pressure 4.
The working principle is that the movable controller 7 with the charged heating self-temperature-limiting function in the inner shell 4 of the air pressure balance window can move left and right under the action of the pressure difference between the inside and the outside of the refrigeration house, when the pressure in the refrigeration house is balanced, the movable controller 7 with the charged heating self-temperature-limiting function returns under the action of the limiting device 5, the air in the refrigeration house is sealed and isolated from the periphery of the shell, and the controller 7 with the charged heating temperature-limiting function can prevent frosting and adhesion.
To sum up, the multifunctional heat-preservation cold storage door for the low-temperature cold storage has the advantages that the movable controller 7 with the electrified heating self-temperature-limiting function in the inner shell 4 of the air pressure balance window can move left and right under the action of the pressure difference between the inside and the outside of the cold storage, when the pressure in the inside and the outside of the cold storage is balanced, the movable controller 7 with the electrified heating self-temperature-limiting function returns under the action of the stopper 5 and seals and isolates the air in and out of the cold storage from the periphery of the shell, the controller 7 can prevent frosting and adhesion due to the electrified heating temperature-limiting function, and the effect of effectively balancing the pressure in and the outside of the cold storage is achieved through the matched use among the inner shell 4 of the; can prevent through the setting of full skirt form atmospheric pressure balance window shell 3 that the dust from falling into inside the atmospheric pressure balance window, also have the effect of balanced atmospheric pressure, ethylene propylene diene monomer material's low temperature resistant sealing strip 9 has mechanical properties height, low temperature performance advantage such as good and long service life, further assurance the leakproofness of the heat preservation door body 1, through atmospheric pressure balance window shell 3, the cooperation between low temperature resistant sealing strip 9 and the heat preservation door body 1 is used, thereby reached and made the effect of heat preservation door body 1 safety and stability more.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a multi-functional heat preservation cold-stored door for low temperature freezer, includes the heat preservation door body (1), its characterized in that: the low temperature resistant sealing strip (9) of bottom fixedly connected with of the heat preservation door body (1), the outer wall fixedly connected with door handle (10) of the heat preservation door body (1), the top fixedly connected with atmospheric pressure balance window inner casing (4) of the heat preservation door body (1), the outer wall fixedly connected with atmospheric pressure balance window outer casing (3) of the atmospheric pressure balance window inner casing (4), the inner wall fixedly connected with stopper (5) of the atmospheric pressure balance window inner casing (4), the top fixedly connected with controller (7) of stopper (5), the left side of controller (7) is provided with outer filter (6), the right side of controller (7) is provided with inner filter (8), the top fixedly connected with translation track (2) of the atmospheric pressure balance window inner casing (4).
2. The multifunctional heat-preservation cold-storage door for the low-temperature cold storage according to claim 1, is characterized in that: the inner side and the outer side of the heat preservation door body (1) are respectively provided with an air pressure balance window outer shell (3) and an air pressure balance window inner shell (4).
3. The multifunctional heat-preservation cold-storage door for the low-temperature cold storage according to claim 1, is characterized in that: the outer shell (3) of the air pressure balance window is in an umbrella skirt shape.
4. The multifunctional heat-preservation cold-storage door for the low-temperature cold storage according to claim 1, is characterized in that: the limiter (5) is composed of a spring.
5. The multifunctional heat-preservation cold-storage door for the low-temperature cold storage according to claim 1, is characterized in that: the controller (7) is an external power supply.
6. The multifunctional heat-preservation cold-storage door for the low-temperature cold storage according to claim 1, is characterized in that: the low-temperature resistant sealing strip (9) is made of ethylene propylene diene monomer.
7. The multifunctional heat-preservation cold-storage door for the low-temperature cold storage according to claim 1, is characterized in that: the outer wall of the door handle (10) is provided with a thread strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020270848.7U CN211903475U (en) | 2020-03-08 | 2020-03-08 | Multifunctional heat-preservation cold storage door for low-temperature cold storage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020270848.7U CN211903475U (en) | 2020-03-08 | 2020-03-08 | Multifunctional heat-preservation cold storage door for low-temperature cold storage |
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| CN211903475U true CN211903475U (en) | 2020-11-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117515237A (en) * | 2024-01-04 | 2024-02-06 | 珠海格力电器股份有限公司 | Balancing valve, refrigerating device and control method |
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2020
- 2020-03-08 CN CN202020270848.7U patent/CN211903475U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117515237A (en) * | 2024-01-04 | 2024-02-06 | 珠海格力电器股份有限公司 | Balancing valve, refrigerating device and control method |
| CN117515237B (en) * | 2024-01-04 | 2024-04-02 | 珠海格力电器股份有限公司 | Balancing valve, refrigerating device and control method |
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