Cold storage door not prone to freezing
By using stainless steel and polyurethane foam insulation boards and heating elements in the cold storage doors, the problem of frost and freezing at low temperatures has been solved, enabling smooth opening and good sealing of the doors, and improving the reliability and ease of operation of the cold storage.
Patent Information
- Application Number
- CN202423228937.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Traditional cold storage doors are prone to frost or freezing in low-temperature environments, making them difficult to open or close and causing a loss of airtightness, which affects the antifreeze performance and safety of the cold storage.
The insulation board, made of stainless steel plate and polyurethane foam, combined with heating elements and low-temperature resistant sealing strips, is designed as a sliding double-layer cold storage door structure to ensure that the door does not frost or freeze in low-temperature environments and maintains good sealing performance.
It effectively prevents cold storage doors from frost and freezing in low-temperature environments, ensures smooth opening and closing of the doors, improves the insulation and sealing performance of cold storage, and enhances operational convenience and work efficiency.
Smart Images

Figure CN223755665U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cold storage equipment technical field, it is a cold storage door not prone to freezing. BACKGROUND
[0002] With the rapid development of cold chain logistics, as the important facility for storing and transporting perishable goods such as food and medicine, the performance and efficiency of the cold storage directly affect the operation of the entire supply chain. The cold storage door is one of the key components in the cold storage system, which not only needs to have good thermal insulation performance to maintain the low temperature environment in the warehouse, but also needs to be able to frequently open and close without damaging the sealing to ensure the cleanliness and safety of the cold storage inside.
[0003] The traditional cold storage door is usually made of metal material, although it has certain strength and durability, but due to the high thermal conductivity of metal, the door body is easy to frost or even freeze in low temperature environment, which makes the door difficult to open or close. In addition, the sealing strip is often hardened due to low temperature, losing elasticity, further aggravating the problem. These problems not only affect the normal use of the cold storage, but also may have adverse effects on the storage of goods, such as increasing energy consumption, reducing storage efficiency, etc.
[0004] In order to solve these problems, it is particularly important to develop a new type of cold storage door structure with simple structure, low cost and effective prevention of freezing. CONTENT OF THE UTILITY MODEL
[0005] The purpose of the content of the utility model is to provide a cold storage door not prone to freezing, to solve the problems raised in the background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0007] A cold storage door not prone to freezing, comprising a door frame, a first cold storage door body and a second cold storage door body, a sliding groove is arranged on the inner side of the door frame, the first cold storage door body is fixedly arranged on the inner side of the door frame, the second cold storage door body is slidably arranged on the inner side of the door frame through the sliding groove, heat insulation door bridges are fixedly connected to the inner sides of the two sides of the door frame, anti-collision strips are arranged on the heat insulation door bridges, sealing strips are arranged on the two sides of the second cold storage door body, and heating elements are embedded in the inner edges of the four periphery of the second cold storage door body.
[0008] In the preferred technical scheme, the first cold storage door body and the second cold storage door body are slidably attached.
[0009] In the preferred technical scheme, the first cold storage door body comprises a first fixed plate, a first heat preservation plate is embedded in the first fixed plate, and an anti-freezing layer is arranged on one side of the first heat preservation plate.
[0010] Preferably, the second cold storage door body comprises a second fixed plate, the second fixed plate is internally embedded with a second heat preservation plate, and the upper and lower ends of the second fixed plate are provided with sliding strips.
[0011] Preferably, the first cold storage door body and the second cold storage door body are both provided with observation windows.
[0012] Preferably, the second cold storage door body is provided with a handle.
[0013] Preferably, the second cold storage door body slides in the sliding groove through the sliding strips.
[0014] Preferably, the first fixed plate and the second fixed plate are stainless steel plates, and the first heat preservation plate and the second heat preservation plate are polyurethane foam plastics.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] 1. Improve the anti-freezing performance of the cold storage door: by embedding heating elements around the second cold storage door body, frost or freezing of the door body in low temperature environment can be effectively prevented, ensuring smooth opening and closing of the door. This design significantly improves the reliability and durability of the cold storage door in extreme weather conditions. The two sides of the door frame are fixedly connected with heat insulation door bridges, effectively reducing the cold bridge effect, preventing the transmission of cold to the outside through the door frame, and avoiding frost and freezing around the door frame. The anti-freezing layer of the first cold storage door can effectively block the conduction of cold, prevent frost or freezing inside the door body, and the heat preservation plate provides additional heat insulation effect, further improving the heat preservation performance of the door body.
[0017] 2. Improve the sealing performance: use low-temperature resistant sealing strips, which can maintain good elasticity and sealing performance even in low temperature environment, effectively prevent cold air leakage, and keep the cold storage clean and safe.
[0018] 3. Improve the operation convenience: by setting the handle and observation window, the operator can easily open and close the door plate, and conveniently observe the inside of the cold storage, improving the work efficiency.
[0019] In summary, in order to enhance the anti-freezing performance of the freezer door, heating elements are embedded around the second freezer door, the anti-freezing layer in the heat-insulating door bridge and the first freezer door effectively prevents frost from freezing in low-temperature environments, improving the reliability and durability of the door body in extreme weather conditions. At the same time, the application of insulation boards further enhances the heat-insulating effect. For the improvement of sealing performance, a sealing strip made of low-temperature resistant material is used to ensure good elasticity and sealing even in cold conditions, preventing cold air leakage and ensuring the cleanliness and safety of the internal environment. By adding handles and observation windows that are easy to operate, not only does it simplify the opening and closing process of the door, but also facilitates monitoring of the inside of the freezer, thereby improving the convenience of operation and work efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a structural schematic diagram of the utility model;
[0021] Figure 2 It is a structural schematic diagram of the first freezer door body and the second freezer door body of the utility model;
[0022] Figure 3 It is a structural schematic diagram of the first freezer door body of the utility model;
[0023] Figure 4 It is a structural schematic diagram of the second freezer door body of the utility model;
[0024] Figure 5 It is a structural schematic diagram of the heating element of the utility model;
[0025] Figure 6 It is an enlarged structural schematic diagram of A part of the utility model; Figure 1
[0026] In the figure: 1 door frame, 2 first freezer door body, 21 first fixed plate, 22 first insulation board, 23 anti-freezing layer, 3 second freezer door body, 31 second fixed plate, 32 second insulation board, 33 sliding bar, 4 sliding groove, 5 heat-insulating door bridge, 6 anti-collision strip, 7 sealing strip, 8 heating element, 9 observation window, 10 handle. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0028] Please refer to Figures 1 to 6 The application discloses a cold storage door which is not prone to freezing, comprising a door frame 1, a first cold storage door body 2 and a second cold storage door body 3, wherein a sliding groove 4 is arranged on the inner side of the door frame 1, the first cold storage door body 2 is fixedly arranged on the inner side of the door frame 1, the second cold storage door body 3 is slidably arranged on the inner side of the door frame 1 through the sliding groove 4, heat insulation door bridges 5 are fixedly connected to the inner sides of both sides of the door frame 1, anti-collision strips 6 are arranged on the heat insulation door bridges 5, sealing strips 7 are arranged on both sides of the second cold storage door body 3, and heating elements 8 are embedded on the inner edges of the second cold storage door body 3.
[0029] The first cold storage door body 2 and the second cold storage door body 3 are slidably attached.
[0030] The first cold storage door body 2 comprises a first fixed plate 21, a first heat preservation plate 22 is embedded in the first fixed plate 21, and an anti-freezing layer 23 is arranged on one side of the first heat preservation plate 22.
[0031] The second cold storage door body 3 comprises a second fixed plate 31, a second heat preservation plate 32 is embedded in the second fixed plate 31, and sliding strips 33 are arranged on the upper and lower ends of the second fixed plate 31.
[0032] Observation windows 9 are arranged on the first cold storage door body 2 and the second cold storage door body 3.
[0033] A handle 10 is arranged on the second cold storage door body 3.
[0034] The second cold storage door body 3 is slidably arranged in the sliding groove 4 through the sliding strips 33.
[0035] The first fixed plate 21 and the second fixed plate 31 are stainless steel plates, and the first heat preservation plate 22 and the second heat preservation plate 32 are polyurethane foam plastics.
[0036] In the embodiment, the sliding groove 4 is arranged on the inner side of the door frame 1, used for supporting and guiding the sliding movement of the second cold storage door body 3, the first cold storage door body 2 is fixedly arranged on the inner side of the door frame 1, the second cold storage door body 3 can be slid through the sliding groove 4 to facilitate opening and closing, the first cold storage door body 2 and the second cold storage door body 3 are slidably attached to ensure good sealing effect. The heat insulation door bridges 5 are fixedly connected to the inner sides of both sides of the door frame 1, so as to reduce the cold quantity transmitted to the outside through the metal door frame, thereby reducing the risk of frost or freezing around the door frame. The anti-collision strips 6 are arranged on the heat insulation door bridges 5, used for protecting the door body from collision damage. The sealing strips 7 are arranged on both sides of the second cold storage door body 3, so as to maintain elasticity and sealing property even at extremely low temperature. The heating elements 8 are embedded on the inner edges of the second cold storage door body 3, which can be started in a low-temperature environment, so as to prevent frost or freezing around the door body and ensure smooth opening and closing of the door.
[0037] In order to improve the heat preservation effect, the first cold storage door body 2 is embedded with a first fixed plate 21 made of stainless steel and a first heat preservation plate 22 made of polyurethane foam, and one side of the heat preservation plate is provided with an anti-freezing layer 23 to block the conduction of cold energy and further prevent frost or freezing in the door body.
[0038] The second cold storage door body 3 also comprises a second fixed plate 31 with a second heat preservation plate 32, which is also made of polyurethane foam. The second cold storage door body 3 slides in the sliding groove 4 through the sliding bars 33 at the upper and lower ends to realize the opening and closing of the door body, ensuring the stability and reliability of the door body movement.
[0039] In order to facilitate the operator to monitor the condition in the cold storage, the first cold storage door body 2 and the second cold storage door body 3 are both provided with an observation window 9 for observing the cold storage. The second cold storage door body 3 is also provided with a handle 10 for facilitating the user to open and close the door body.
[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A cold storage door which is not likely to freeze, comprising a door frame (1), a first cold storage door body (2), and a second cold storage door body (3), characterized in that: The inner side of the door frame (1) is provided with a sliding groove (4) at the upper and lower positions, the first cold storage door body (2) is fixedly arranged on the inner side of the door frame (1), the second cold storage door body (3) is slidably arranged on the inner side of the door frame (1) through the sliding groove (4), the inner sides of the two sides of the door frame (1) are fixedly connected with heat insulation door bridges (5), the heat insulation door bridges (5) are provided with anti-collision strips (6), the two sides of the second cold storage door body (3) are provided with sealing strips (7), and the inner edge of the periphery of the second cold storage door body (3) is embedded with a heating element (8).
2. A walk-in cooler door that is less likely to freeze according to claim 1, wherein: The first cold storage door body (2) and the second cold storage door body (3) are slidably attached.
3. The walk-in cooler door of claim 1, wherein: The first cold storage door body (2) comprises a first fixed plate (21), the first fixed plate (21) is embedded with a first heat preservation plate (22) inside, and one side of the first heat preservation plate (22) is provided with an anti-freezing layer (23).
4. The walk-in cooler door of claim 1, wherein: The second cold storage door body (3) comprises a second fixed plate (31), the second fixed plate (31) is embedded with a second heat preservation plate (32) inside, and the upper and lower ends of the second fixed plate (31) are provided with sliding strips (33).
5. The walk-in cooler door of claim 1, wherein: The first cold storage door body (2) and the second cold storage door body (3) are provided with observation windows (9) thereon.
6. A walk-in cooler door that is less likely to freeze according to claim 1, wherein: The second cold storage door body (3) is provided with a handle (10).
7. A walk-in cooler door that is less likely to freeze according to claim 3, wherein: The second cold storage door body (3) is slidably arranged in the sliding groove (4) through the sliding strips (33).
8. A walk-in cooler door that is less likely to freeze according to claim 3, wherein: The first fixed plate (21) and the second fixed plate (31) are stainless steel plates, and the first heat preservation plate (22) and the second heat preservation plate (32) are polyurethane foam plastics.