A sealed door for a freezer

Abstract

This utility model discloses a sealing door for cold storage, specifically relating to the field of sealing door technology. It includes two sealing doors, each comprising a base layer with an insulation board inside. The base layer is made of high-strength aluminum alloy, and the insulation board is made of polyurethane foam. A moving mechanism is located at the top of each sealing door to drive its movement. Two wheels are movably connected to the bottom of each sealing door. The moving mechanism includes a support column at the top of the sealing door, with placement grooves on both sides inside the support column. Each placement groove contains a rack and a support frame. This utility model allows the sealing doors to move via the moving mechanism, eliminating the need for manual movement and improving practicality. Furthermore, the use of an electric heating wire prevents the sealing door from freezing to the cold storage wall, ensuring normal operation and safe use of the sealing door in low-temperature environments.

Description

Technical Field

[0001] This utility model relates to the field of sealing door technology, specifically to a sealing door for cold storage. Background Technology

[0002] A cold storage sealing door is a door installed in cold storage equipment, cold storage rooms, and other refrigerated environments to provide insulation and airtightness. Its main function is to prevent cold air from leaking out, ensuring a stable temperature inside the cold storage, thereby protecting the quality and safety of stored goods.

[0003] For example, Chinese patent application No. 202321162985.9202123304425.6 discloses a sealed cold storage door assembly, relating to the field of cold storage door assemblies. It includes a main body and a door panel. The main body has an internal moving mechanism, which includes a moving groove. Limiting grooves are formed on both the top and bottom surfaces of the moving groove. A limiting strip is provided on the bottom surface of the moving groove. Limiting posts are provided on one side of both the top and bottom surfaces of the moving groove. Wheel grooves are formed on both the top and bottom surfaces of the limiting groove. A fixing plate is provided on the left side wall of the moving groove. This technical solution allows the door panel to slide horizontally, facilitating staff entry and exit from the cold storage for storage or retrieval of goods. The door panel movement is also more stable, flexible, and less strenuous, allowing for easy cleaning of water droplets on the side walls, preventing condensation and ensuring the cold storage door can be opened, thus improving ease of use.

[0004] However, the following problems still exist in this technical solution: the solution requires putting down the goods and freeing up both hands before opening the cold storage door, and then retrieving the goods to put them into the cold storage. The whole process is time-consuming and laborious, affecting the normal working efficiency of the staff. Utility Model Content

[0005] The purpose of this invention is to provide a sealing door for cold storage. The sealing door can be moved by a moving mechanism, eliminating the need for manual movement and improving practicality. Furthermore, the use of an electric heating wire prevents the sealing door from freezing to the wall of the cold storage, ensuring the normal operation and safe use of the sealing door in low-temperature environments, thus addressing the aforementioned shortcomings in the technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a sealing door for a cold storage, comprising two sealing doors, each sealing door comprising a base layer, the base layer having an insulation board inside, the base layer being made of high-strength aluminum alloy, the insulation board being made of polyurethane foam board, the top of the two sealing doors being provided with a moving mechanism for moving the two sealing doors, and the bottom of the sealing doors being movably connected to two moving wheels.

[0007] Preferably, the moving mechanism includes a support column disposed on the top of the sealing door. The support column has placement slots on both sides inside. Each placement slot has a rack inside. A support frame is disposed inside the placement slot. The bottom of the support frame passes through the support column and extends out of the bottom of the support column. A connecting plate is fixedly disposed on the front side of the top of the sealing door. The top of the connecting plate is fixedly connected to the support frame for driving the two sealing doors to move.

[0008] Preferably, a first rotating shaft is movably connected inside the support frame via a bearing, and a gear is provided through the outside of the first rotating shaft. The gear meshes with a rack, and a first motor is fixed at the top of the first rotating shaft to drive the support frame to move.

[0009] Preferably, an infrared camera for detecting workers is fixedly installed at the bottom of the support column, a sensor is installed at the bottom of the support column, and a control panel is installed at the bottom of the support column. The infrared camera, the sensor and the control panel are electrically connected, and the control panel can control the first motor.

[0010] Preferably, a fixing mechanism is provided on one side of the sealing door to fix the two sealing doors together. The fixing mechanism includes two first fixing frames on the front side of one of the sealing doors and two second fixing frames fixed on the front side of the other sealing door. Each first fixing frame is movably connected to a second rotating shaft through a bearing. A limiting plate is provided through the outside of the second rotating shaft. An electric push rod is provided through the inside of the second fixing frame. A plug-in hole is provided on one side of the limiting plate. The control panel can control the second motor and the electric push rod to fix the two sealing doors together.

[0011] Preferably, each of the sealed doors is fitted with an electric heating wire at the rear, and the top of the electric heating wire is connected to a controller via a data cable. The controller is electrically connected to a control panel, and the control panel can control the controller to prevent the sealed door from freezing to the wall.

[0012] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0013] 1. The infrared camera detects the staff. When the staff arrives at the front of the sealed door, the infrared camera transmits the detected information to the sensor. The signal is then transmitted to the control panel through the sensor. The control panel can activate the first motor, which drives the first shaft to rotate. The first shaft drives the support frame to move, and the movement of the support frame moves the sealed door. This eliminates the need for manual movement of the sealed door, improving its practicality.

[0014] 2. The electric heating wire is turned on by the controller. The electric heating wire can heat the back of the sealed door to prevent the sealed door from freezing to the wall of the freezer, thus ensuring the normal operation and safe use of the sealed door in low-temperature environments. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0016] Figure 1 This is a front view of the present invention;

[0017] Figure 2 This is a schematic diagram of the structure of this utility model after it has been opened;

[0018] Figure 3 This is a schematic diagram of the structure of the moving mechanism of this utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the first rotating shaft and support frame of this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the electric heating wire of this utility model;

[0021] Figure 6 This is a schematic diagram of the fixing mechanism of this utility model;

[0022] Figure 7 This is a schematic diagram of the internal structure of the sealing door of this utility model;

[0023] Figure 8 This is a schematic diagram illustrating the relationship between the infrared camera, sensor, and control panel of this utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Sealed door, 101. Substrate layer, 102. Insulation board;

[0026] 2. Moving mechanism, 201. Support column, 202. Placement slot, 203. Rack, 204. Support frame, 205. Gear, 206. Connecting plate, 207. First rotating shaft, 208. First motor, 209. Infrared camera, 210. Sensor, 211. Control panel;

[0027] 3 Fixing mechanism, 301 First fixing frame, 302 Second fixing frame, 303 Second rotating shaft, 304 Limiting plate, 305 Electric push rod, 306 Insertion hole, 307 Second motor;

[0028] 4. Electric heating wire, 5. Controller, 6. Casters. Detailed Implementation

[0029] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0030] This utility model provides, for example Figure 1-8 The sealing door for a cold storage shown includes two sealing doors 1, with a moving mechanism 2 on the top of the two sealing doors 1 to drive the two sealing doors 1 to move, and two moving wheels 6 movably connected to the bottom of the sealing doors 1;

[0031] like Figure 3 , 4 As shown, the moving mechanism 2 includes a support column 201 located at the top of the sealing door 1. The support column 201 has placement slots 202 on both sides inside. Each placement slot 202 has a rack 203 inside. A support frame 204 is located inside the placement slot 202. The bottom of the support frame 204 passes through the support column 201 and extends out of the bottom of the support column 201. A connecting plate 206 is fixedly provided on the front side of the top of the sealing door 1. The top of the connecting plate 206 is fixedly connected to the support frame 204.

[0032] like Figure 3 , 4 As shown, a first rotating shaft 207 is movably connected inside the support frame 204 via bearings. A gear 205 passes through the outside of the first rotating shaft 207 and meshes with a rack 203. A first motor 208 is fixedly mounted at the top of the first rotating shaft 207. An infrared camera 209 for detecting workers is fixedly mounted at the bottom of the support column 201. A sensor 210 is mounted at the bottom of the support column 201. A control panel 211 is mounted at the bottom of the support column 201. The infrared camera 209, the sensor 210, and the control panel 211 are electrically connected. The control panel 211 can control the first motor 208.

[0033] like Figure 6 As shown, a fixing mechanism 3 is provided on one side of the sealing door 1 to fix the two sealing doors 1 together. The fixing mechanism 3 includes two first fixing frames 301 provided on the front side of one of the sealing doors 1, and two second fixing frames 302 fixed on the front side of the other sealing door 1. Each first fixing frame 301 is movably connected to a second rotating shaft 303 through a bearing. A limiting plate 304 is provided through the outside of the second rotating shaft 303. An electric push rod 305 is provided through the inside of the second fixing frame 302. A plug-in hole 306 is provided on one side of the limiting plate 304. The control panel 211 can control the second motor 307 and the electric push rod 305.

[0034] Infrared camera 209 detects personnel. When a personnel arrives in front of the sealed door 1, infrared camera 209 transmits the detected information to sensor 210. The signal is then transmitted from sensor 210 to control panel 211. Control panel 211 can activate first motor 208, second motor 307, and electric push rod 305. Electric push rod 305 is pulled out from inside limit plate 304. Second motor 307 drives second rotating shaft 303 to rotate. Using second rotating shaft 303, limit plate 304 is moved out from inside second fixed frame 302. First motor 208 drives first rotating shaft 207 to rotate. First rotating shaft 207, under the action of rack 203 and gear 205, drives support frame 204 to move. The movement of support frame 204 moves sealed door 1, eliminating the need for manual movement of sealed door 1 and improving practicality.

[0035] like Figure 5 As shown, each of the sealing doors 1 has an electric heating wire 4 inserted into its rear side. The top of the electric heating wire 4 is connected to a controller 5 via a data cable. The controller is electrically connected to the control panel 211, and the control panel 211 can control the controller 5.

[0036] The electric heating wire 4 is turned on by the controller 5, which heats the back of the sealing door 1, preventing the sealing door 1 from freezing to the wall of the freezer and ensuring the normal operation and safe use of the sealing door 1 in low-temperature environments.

[0037] like Figure 7 As shown, the sealing door 1 includes a substrate layer 101, and an insulation board 102 is provided inside the substrate layer 101. The substrate layer 101 is made of high-strength aluminum alloy material, and the insulation board 102 is made of polyurethane foam board.

[0038] The polyurethane foam board in this invention is a commonly used insulation material with good insulation performance and strength. It has a low thermal conductivity and a closed-cell structure that can effectively isolate the temperature difference between the inside and outside of the cold storage. The high-strength aluminum alloy material has excellent strength and stability, avoids deformation problems, and is durable, providing reliable protection for the cold storage.

[0039] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A sealed door for a freezer comprising two sealed doors (1), characterized in that: The top of the two sealing doors (1) is provided with a moving mechanism (2) that drives the two sealing doors (1) to move; The moving mechanism (2) includes a support column (201) located on the top of the sealing door (1). The support column (201) has placement slots (202) on both sides inside. Each placement slot (202) has a rack (203) inside. The placement slot (202) has a support frame (204) inside. The bottom of the support frame (204) passes through the support column (201) and extends out of the bottom of the support column (201). A connecting plate (206) is fixedly provided on the front side of the top of the sealing door (1). The top of the connecting plate (206) is fixedly connected to the support frame (204).

2. A sealing door for a cold storage facility according to claim 1, characterized in that: The support frame (204) is internally connected to a first rotating shaft (207) via a bearing. A gear (205) is provided through the outside of the first rotating shaft (207). The gear (205) meshes with a rack (203). A first motor (208) is fixedly provided at the top of the first rotating shaft (207).

3. A sealing door for a cold storage facility according to claim 1, characterized in that: An infrared camera (209) for detecting workers is fixedly installed at the bottom of the support column (201). A sensor (210) is installed at the bottom of the support column (201). A control panel (211) is installed at the bottom of the support column (201). The infrared camera (209), the sensor (210) and the control panel (211) are electrically connected.

4. A sealing door for a cold storage facility according to claim 1, characterized in that: The sealing door (1) is provided with a fixing mechanism (3) on one side to fix the two sealing doors (1) together; The fixing mechanism (3) includes two first fixing frames (301) located on the front side of one of the sealing doors (1), and two second fixing frames (302) fixed on the front side of the other sealing door (1). Each first fixing frame (301) is movably connected to a second rotating shaft (303) via a bearing. A limiting plate (304) is provided through the outside of the second rotating shaft (303). An electric push rod (305) is provided through the inside of the second fixing frame (302). A plug-in hole (306) is provided on one side of the limiting plate (304).

5. A sealing door for a cold storage facility according to claim 1, characterized in that: Each of the sealed doors (1) has an electric heating wire (4) inserted into its rear side. The top of the electric heating wire (4) is connected to a controller (5) via a data cable. The controller is electrically connected to the control panel (211).

6. A sealing door for a cold storage facility according to claim 5, characterized in that: The control panel (211) can control the first motor (208), the second motor (307), the electric push rod (305), and the controller (5).

7. A sealing door for a cold storage facility according to claim 1, characterized in that: The sealing door (1) includes a substrate layer (101), and an insulation board (102) is provided inside the substrate layer (101). The substrate layer (101) is made of high-strength aluminum alloy material, and the insulation board (102) is made of polyurethane foam board.

8. A sealing door for a cold storage facility according to claim 1, characterized in that: The bottom of the sealed door (1) is movably connected to two casters (6).

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