A cold storage door sealing structure to prevent cold air leakage

By designing a fixed sealing block, a dynamic sealing block, and a magnetic sealing component in the cold storage door sealing structure, the problem of poor sealing of cold storage doors with different door widths was solved, achieving multiple seals and preventing cold air leakage.

CN224455093UActive Publication Date: 2026-07-03CHANGZHOU LINGSHUANG REFRIGERATION EQUIPMENT CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU LINGSHUANG REFRIGERATION EQUIPMENT CO LTD
Filing Date
2025-07-04
Publication Date
2026-07-03

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  • Figure CN224455093U_ABST
    Figure CN224455093U_ABST
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Abstract

This utility model relates to the field of cold storage technology, and in particular to a cold storage door sealing structure with replaceable sealing strips. The structure is rationally designed and mainly consists of a cold storage door, a door frame, ear plates, a rotating plate, an arched sealing strip, a first flat sealing strip, a fixed sealing block, a dynamic sealing block, a drive push rod, and a magnetic sealing assembly. When the cold storage door rotates into the door groove of the door frame under the guidance of the ear plates and the rotating plate, the fixed sealing block engages with the inner arched sealing strip for sealing. The drive push rod pushes the dynamic sealing block to move, causing it to engage with the outer arched sealing strip for sealing. The first flat sealing strip and the corresponding magnetic sealing assembly in the door frame abut against each other for sealing. This method significantly improves the applicability of the cold storage door sealing structure, forming multiple seals between the door frame and the cold storage door, effectively preventing cold air leakage.
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Description

Technical Field

[0001] This utility model relates to the field of cold storage technology, and in particular to a cold storage door sealing structure to prevent cold air leakage. Background Technology

[0002] A cold storage facility is a type of warehouse building that uses artificial refrigeration to lower the temperature and has a cold preservation function. It mainly includes warehouses, refrigeration rooms, and power distribution rooms. A cold storage door is a door installed in cold storage equipment, frozen warehouses, and other frozen environment equipment to provide insulation and airtightness. The sealing structure is a common component in the installation of cold storage doors, and the sealing structure is characterized by its compact structure. The sealing strip is an extremely common component of the sealing structure.

[0003] Existing cold storage door sealing structures have been found to have shortcomings in use. For pivot cold storage doors, the different door widths result in different sizes of the rotating surface, making the sealing structure less suitable. The sealing strip between the door frame and the cold storage door is difficult to achieve a good sealing effect, leading to cold air leakage.

[0004] In view of this, the inventors hoped to design a cold storage door sealing structure that would facilitate the prevention of cold air leakage. Summary of the Invention

[0005] The purpose of this invention is to overcome the aforementioned problems in traditional technologies and provide a cold storage door sealing structure to prevent cold air leakage.

[0006] To achieve the above-mentioned technical objectives and effects, this utility model is implemented through the following technical solution:

[0007] A cold storage door sealing structure to prevent cold air leakage includes a cold storage door, a door frame, ear plates, a rotating plate, an arched sealing strip, a first flat sealing strip, a fixed sealing block, a dynamic sealing block, a drive push rod, and a magnetic sealing assembly. The inner end of the door frame is hinged to a rotating plate via the ear plates, which can be rotated open with the cold storage door. At least two sets of arched sealing strips are symmetrically installed on both sides of the cold storage door. A first flat sealing strip is symmetrically installed on the outer side of the cold storage door near the door frame, and an iron sheet is embedded in the first flat sealing strip. A fixed sealing block and a dynamic sealing block are respectively installed on both sides of the door frame located in the door groove. A drive push rod for displacing the dynamic sealing block is installed on the door frame. A magnetic sealing assembly corresponding to the position of the first flat sealing strip is installed on the inner side of the door frame located in the door groove.

[0008] Furthermore, in the aforementioned cold storage door sealing structure for preventing cold air leakage, an opener / closer is installed on the inner side of the door frame to drive the cold storage door to open.

[0009] Furthermore, in the above-mentioned cold storage door sealing structure for preventing cold air leakage, the fixed sealing block and the dynamic sealing block each have multiple sets of arched sealing grooves that cooperate with the corresponding arched sealing strips.

[0010] Furthermore, in the above-mentioned cold storage door sealing structure for preventing cold air leakage, a first groove and a second groove are provided in the door frame. The first groove is located inside the second groove, and the width of the first groove is greater than the width of the second groove.

[0011] Furthermore, in the above-mentioned cold storage door sealing structure for preventing cold air leakage, the magnetic sealing assembly includes a sliding plate, a return spring, and a second flat sealing strip. The sliding plate is slidably restricted in a first slide groove. One side of the sliding plate is connected to the inner end of the first slide groove via a return spring. The other side of the sliding plate is equipped with a second flat sealing strip that is slidably restricted in a second slide groove. A magnetic sheet is embedded in the second flat sealing strip.

[0012] Furthermore, in the above-mentioned cold storage door sealing structure for preventing cold air leakage, when the first flat sealing strip moves with the cold storage door to the corresponding second sliding groove opening, the second flat sealing strip moves outward under the adsorption of the magnetic sheet and the iron sheet until the second flat sealing strip and the first flat sealing strip abut against each other.

[0013] Furthermore, in the aforementioned cold storage door sealing structure for preventing cold air leakage, a pressure sensor is embedded in the first sliding groove, which is located away from the ear plate, near the second sliding groove.

[0014] Furthermore, the aforementioned cold storage door sealing structure for preventing cold air leakage also includes a controller, which is connected to a pressure sensor and a drive push rod respectively; when the second flat sealing strip moves outward to abut against the first flat sealing strip, the pressure sensor is squeezed and sends a signal to the controller, the controller controls the drive push rod to move, the drive push rod drives the dynamic sealing block to move outward, and the dynamic sealing block abuts against the cold storage door.

[0015] The beneficial effects of this utility model are:

[0016] This utility model has a reasonable structural design, mainly consisting of a cold storage door, a door frame, ear plates, a rotating plate, an arched sealing strip, a first flat sealing strip, a fixed sealing block, a dynamic sealing block, a drive push rod, and a magnetic sealing assembly. When the cold storage door rotates into the door groove of the door frame under the guidance of the ear plates and the rotating plate, the fixed sealing block engages with the inner arched sealing strip for sealing. The drive push rod pushes the dynamic sealing block to move, causing the dynamic sealing block to engage with the outer arched sealing strip for sealing. The first flat sealing strip and the corresponding magnetic sealing assembly in the door frame abut for sealing. This method can greatly improve the applicability of the cold storage door sealing structure, and multiple seals can be formed between the door frame and the cold storage door, effectively preventing cold air leakage.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the above advantages at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the cold storage door in this utility model;

[0021] Figure 3 This is a schematic diagram showing the position of the fixed sealing block on the door frame in this utility model;

[0022] Figure 4 This is a schematic diagram showing the position of the dynamic sealing block on the door frame in this utility model;

[0023] Figure 5 This is a schematic diagram of the composition of the magnetic sealing assembly in this utility model;

[0024] Figure 6 This is a connection block diagram of the main power components in this utility model;

[0025] In the attached diagram, the components represented by each number are as follows:

[0026] 1-Cold storage door, 2-Door frame, 201-First slide rail, 202-Second slide rail, 3-Ear plate, 4-Rotating plate, 5-Arched sealing strip, 6-First flat sealing strip, 7-Fixed sealing block, 8-Dynamic sealing block, 9-Drive push rod, 10-Magnetic sealing assembly, 101-Slide plate, 102-Reset spring, 103-Second flat sealing strip, 11-Pressure sensor, 12-Controller. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figures 1-6As shown, this embodiment provides a cold storage door sealing structure to prevent cold air leakage, including a cold storage door 1, a door frame 2, an ear plate 3, a rotating plate 4, an arched sealing strip 5, a first flat sealing strip 6, a fixed sealing block 7, a dynamic sealing block 8, a drive push rod 9, and a magnetic sealing assembly 10.

[0029] In this embodiment, the inner end of the door frame 2 is hinged to a rotating plate 4 that can rotate open and close with the cold storage door 1 via an ear plate 3, and an opener / closer for driving the cold storage door to rotate open and close is installed on the inner side of the door frame 2.

[0030] In this embodiment, at least two sets of arched sealing strips 5 are symmetrically installed on both sides of the cold storage door 1, and a first flat sealing strip 6 is symmetrically installed on the outer side of the cold storage door 1 near the door frame 2, with an iron sheet embedded in the first flat sealing strip 6.

[0031] In this embodiment, a fixed sealing block 7 and a dynamic sealing block 8 are respectively installed on both sides of the door frame 2 located in the door groove. The fixed sealing block 7 is arranged on the side closer to the ear plate 3, and the dynamic sealing block 8 is arranged on the other side. A drive push rod 9 for driving the dynamic sealing block 8 to move is installed on the door frame 2, and a magnetic sealing assembly 10 corresponding to the position of the first flat sealing strip 6 is installed on the inner side of the door frame 2 in the door groove.

[0032] In this embodiment, the fixed sealing block 7 and the dynamic sealing block 8 each have multiple sets of arched sealing grooves that cooperate with the corresponding arched sealing strips 5.

[0033] In this embodiment, a first sliding groove 201 and a second sliding groove 202 are provided in the door frame 2. The first sliding groove 201 is located inside the second sliding groove 202, and the width of the first sliding groove 201 is greater than the width of the second sliding groove 202. The opening of the second sliding groove 202 is connected to the door groove of the door frame 2.

[0034] In this embodiment, the magnetic sealing assembly 10 includes a sliding plate 101, a return spring 102, and a second flat sealing strip 103. The sliding plate 101 is slidably restricted in the first slide groove 201. One side of the sliding plate 101 is connected to the inner end of the first slide groove 201 via the return spring 102. The other side of the sliding plate 101 is equipped with a second flat sealing strip 103 that is slidably restricted in the second slide groove 202. A magnetic sheet is embedded in the second flat sealing strip 103.

[0035] In this embodiment, when the first flat sealing strip 6 moves with the cold storage door 1 to the opening of the corresponding second sliding groove 202, the second flat sealing strip 103 moves outward under the adsorption of the magnetic sheet and the iron sheet until the second flat sealing strip 103 and the first flat sealing strip 6 come into contact with each other.

[0036] In this embodiment, a pressure sensor 11 is embedded in the first slide groove 201, which is away from the ear plate 3, and located near the second slide groove 202.

[0037] In this embodiment, a controller 12 is also included. The controller 12 is connected to the pressure sensor 11 and the drive push rod 9 respectively. When the second flat sealing strip 103 moves outward to abut against the first flat sealing strip 6, the pressure sensor 11 is squeezed and sends a signal to the controller 12. The controller 12 controls the drive push rod 9 to move, and the drive push rod 9 drives the dynamic sealing block 8 to move outward. The dynamic sealing block 8 abuts against the cold storage door 1.

[0038] A specific application of this embodiment is as follows: The cold storage door sealing structure mainly consists of a cold storage door 1, a door frame 2, an ear plate 3, a rotating plate 4, an arched sealing strip 5, a first flat sealing strip 6, a fixed sealing block 7, a dynamic sealing block 8, a drive push rod 9, and a magnetic sealing assembly 10. When the cold storage door 1 is rotated into the door groove of the door frame 2 under the guidance of the ear plate 3 and the rotating plate 4, the fixed sealing block 7 is used to lock and seal with the inner arched sealing strip 5. The drive push rod 9 is used to push the dynamic sealing block 8 to move, so that the dynamic sealing block 8 is locked and sealed with the outer arched sealing strip 5. The first flat sealing strip 6 and the corresponding magnetic sealing assembly 10 in the door frame 2 are used to abut and seal. In this way, the applicability of the cold storage door sealing structure can be greatly improved, and multiple seals can be formed between the door frame and the cold storage door, effectively preventing cold air leakage.

[0039] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to specific implementation methods. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A cold storage door sealing structure to prevent cold air leakage, characterized in that, The device includes a cold storage door, a door frame, ear plates, a rotating plate, an arched sealing strip, a first flat sealing strip, a fixed sealing block, a dynamic sealing block, a drive push rod, and a magnetic sealing assembly. The inner end of the door frame is hinged to a rotating plate via the ear plates, which can be rotated open and closed with the cold storage door. At least two sets of arched sealing strips are symmetrically installed on both sides of the cold storage door. A first flat sealing strip is symmetrically installed on the outer side of the cold storage door near the door frame. The first flat sealing strip contains an iron sheet. A fixed sealing block and a dynamic sealing block are respectively installed on both sides of the door frame located in the door groove. A drive push rod for displacing the dynamic sealing block is installed on the door frame. A magnetic sealing assembly corresponding to the position of the first flat sealing strip is installed on the inner side of the door frame located in the door groove.

2. The cold storage door sealing structure for preventing cold air leakage according to claim 1, characterized in that, The inside of the door frame is equipped with an opener / closer for driving the cold storage door to rotate open.

3. The cold storage door sealing structure for preventing cold air leakage according to claim 1, characterized in that, The fixed sealing block and the dynamic sealing block each have multiple sets of arched sealing grooves that cooperate with the corresponding arched sealing strips.

4. The cold storage door sealing structure for preventing cold air leakage according to claim 1, characterized in that, The door frame is provided with a first sliding groove and a second sliding groove. The first sliding groove is located inside the second sliding groove, and the width of the first sliding groove is greater than the width of the second sliding groove.

5. A cold storage door sealing structure for preventing cold air leakage according to claim 4, characterized in that, The magnetic sealing assembly includes a sliding plate, a return spring, and a second flat sealing strip. The sliding plate is limited to sliding in a first groove. One side of the sliding plate is connected to the inner end of the first groove via the return spring. The other side of the sliding plate is fitted with a second flat sealing strip that is limited to sliding in a second groove. A magnetic sheet is embedded in the second flat sealing strip.

6. The cold storage door sealing structure for preventing cold air leakage according to claim 5, characterized in that, When the first flat sealing strip moves with the cold storage door to the corresponding second sliding groove opening, the second flat sealing strip moves outward under the attraction of the magnetic sheet and the iron sheet until the second flat sealing strip and the first flat sealing strip abut against each other.

7. A cold storage door sealing structure for preventing cold air leakage according to claim 6, characterized in that, A pressure sensor is embedded in the first groove, which is located away from the ear plate, near the second groove.

8. The cold storage door sealing structure for preventing cold air leakage according to claim 7, characterized in that, It also includes a controller, which is connected to a pressure sensor and a drive push rod respectively; when the second flat sealing strip moves outward to abut against the first flat sealing strip, the pressure sensor is squeezed and sends a signal to the controller, the controller controls the drive push rod to move, the drive push rod drives the dynamic sealing block to move outward, and the dynamic sealing block abuts against the cold storage door.