Thermal insulation cold storage door

Abstract

The utility model discloses a thermal insulation cold storage door, which relates to the technical field of cold storage equipment, and comprises a door frame and a cold storage door body, a plurality of hinges are arranged on the door frame 1, the door frame is hinged with the cold storage door body through the hinges, sealing strips are arranged on the inner side of the periphery of the door frame, and anti-collision strips are arranged at the upper part and the bottom of the cold storage door body; a frame is arranged on the outer side of the periphery of the cold storage door body 1, so that the cold storage door adopts a heat insulation core layer made of high-density foamed plastic and a multi-layer composite material, heat transfer is effectively prevented, excellent heat insulation and heat preservation effects are provided, and the service life is long. The structural strength is enhanced through reinforcing ribs, impact and noise are reduced through anti-collision strips and buffering pads, and durability is improved through stainless steel outer door plates and hinges. The elastic anti-pinch pad is arranged at the contact position of the door frame and the door body, fingers are prevented from being pinched, use safety is improved, the door handle and the lock of the mechanical locking mechanism are easy and convenient to operate, and use convenience and safety are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold storage equipment technical field, it is a kind of heat-insulated cold storage door. BACKGROUND

[0002] In cold-chain logistics and food preservation industry, cold storage door is the key component for maintaining the temperature stability inside the cold storage. Although the existing cold storage door can provide a certain degree of heat insulation effect, but in the long-term use process, due to the frequent alternation of cold and heat, it is easy to appear the problems such as the decrease of sealing performance and the deformation of the cold storage door body, which leads to energy waste and the decrease of food quality. In addition, the traditional design of cold storage door often ignores the control of cold air loss when the cold storage door body is opened, and the rapid recovery of sealing performance when the cold storage door body is closed, which further affects the overall performance of the cold storage. Therefore, it is particularly important to develop a cold storage door with better heat insulation performance, longer service life and effective cold air loss reduction. SUMMARY

[0003] The purpose of the utility model is to provide a kind of heat-insulated cold storage door to solve the problems raised in the above background.

[0004] To achieve the above purpose, the utility model provides the following technical scheme:

[0005] A kind of heat-insulated cold storage door, including door frame and cold storage door body, the door frame is provided with multiple hinges, the door frame and cold storage door body are hinged by hinge, the inner side of the periphery of the door frame is provided with sealing strip, the upper portion and bottom of the cold storage door body are provided with anti-collision strip;The outer side of the periphery of the cold storage door body is provided with frame.

[0006] The cold storage door body includes outer door plate, the inner face of the outer door plate is provided with heat insulation core layer, the inner face of the heat insulation core layer is provided with inner door plate, the heat insulation core layer is located between outer door plate and inner door plate, cavity is provided between outer door plate and heat insulation core layer, outer door plate and heat insulation core layer are fixedly connected by reinforcing rib, and the reinforcing rib is located in cavity.

[0007] In the preferred technical scheme, the cold storage door body is threadedly connected with door handle, one side of the cold storage door body is provided with lockset, the lockset cooperates with door handle, and the upper portion of the cold storage door body is provided with observation window.

[0008] In the preferred technical scheme, the door frame is made of high-strength aluminum alloy material.

[0009] In the preferred technical scheme, the inner door plate is made of polyurethane foam material, the heat insulation core layer is made of high-density foam plastic, and the outer door plate and reinforcing rib are made of stainless steel metal material.

[0010] Preferably, the bottom of the door frame is provided with a threshold, and the outer side of one side of the frame is provided with an elastic anti-pinch pad.

[0011] Preferably, the threshold is fixedly connected to the inner side of the door frame, and the bottom of the threshold is fixed to the ground.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. Excellent heat insulation performance: the heat insulation core layer adopts high-density foam plastic and multi-layer composite material, effectively preventing heat transfer and improving overall heat insulation effect.

[0014] 2. Prolonged service life: the reinforcing rib is arranged between the outer door plate and the heat insulation core layer, increasing the structural strength of the freezer door body and preventing deformation during long-term use. The impact and noise during opening and closing are reduced by the anti-collision strip and the buffer, protecting the freezer door body from damage. The outer door plate and the hinge made of stainless steel have good corrosion resistance and durability, prolonging the service life of the freezer door body.

[0015] 3. Strong safety and convenience: the elastic anti-pinch pad is arranged at the contact between the door frame and the freezer door body, preventing finger injury and improving safety. The door handle and lock are equipped with a mechanical locking mechanism, which is easy to operate and ensures safety.

[0016] In summary, the freezer door not only has excellent heat insulation performance and long service life, but also provides higher safety and convenience. By using a high-density foam plastic and multi-layer composite material heat insulation core layer, heat transfer is effectively prevented, significantly improving overall heat insulation effect. The reinforcing rib is arranged between the outer door plate and the heat insulation core layer, enhancing the structural strength of the door body and preventing deformation during long-term use; at the same time, the anti-collision strip and the buffer pad reduce the impact and noise during opening and closing, protecting the door body from damage, and the outer door plate and hinge made of stainless steel further prolong the service life of the freezer door. In addition, the elastic anti-pinch pad is arranged at the contact between the door frame and the door body to prevent finger injury and improve safety, and the mechanical locking mechanism of the door handle and lock is easy to operate, ensuring convenience and safety. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of the utility model;

[0018] Figure 2 is a structural schematic diagram of the freezer door body of the utility model;

[0019] Figure 3 is a structural schematic diagram of the door frame of the utility model;

[0020] Figure 4 is a sectional structural schematic diagram of the freezer door body of the utility model;

[0021] In the figure: 1 door frame, 2 cold storage door body, 21 outer door plate, 22 heat insulation core layer, 23 inner door plate, 24 cavity, 25 reinforcing rib, 3 hinge, 4 sealing strip, 5 anti-collision strip, 6 frame, 7 door handle, 8 lock, 9 observation window, 10 door sill, 11 elastic anti-pinch pad. DETAILED DESCRIPTION

[0022] 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, rather than 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.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , a heat insulation cold storage door, comprising a door frame 1 and a cold storage door body 2, a plurality of hinges 3 are arranged on the door frame 1, the door frame 1 is hinged with the cold storage door body 2 through the hinges 3, the inner side of the four peripheries of the door frame 1 is provided with a sealing strip 4, and the upper portion and the bottom portion of the cold storage door body 2 are provided with anti-collision strips 5; the outer side of the four peripheries of the cold storage door body 2 is provided with a frame 6.

[0024] The cold storage door body 2 comprises an outer door plate 21, the inner face of the outer door plate 21 is provided with a heat insulation core layer 22, the inner face of the heat insulation core layer 22 is provided with an inner door plate 23, the heat insulation core layer 22 is located between the outer door plate 21 and the inner door plate 23, a cavity 24 is arranged between the outer door plate 21 and the heat insulation core layer 22, and the outer door plate 21 and the heat insulation core layer 22 are fixedly connected through a reinforcing rib 25, and the reinforcing rib 25 is located in the cavity 24.

[0025] A door handle 7 is threadedly connected to the cold storage door body 2, a lock 8 is arranged on one side of the cold storage door body 2, the lock 8 cooperates with the door handle 7, and an observation window 9 is arranged on the upper portion of the cold storage door body 2.

[0026] The door frame 1 is made of high-strength aluminum alloy material.

[0027] The inner door plate 23 is made of polyurethane foam material, the heat insulation core layer 22 is made of high-density foam plastic, and the outer door plate 21 and the reinforcing rib 25 are made of stainless steel material.

[0028] A door sill 10 is arranged at the bottom of the door frame 1, and an elastic anti-pinch pad 11 is arranged on the outer side of one side of the frame 6.

[0029] The door sill 10 is fixedly connected to the inner side of the door frame 1, and the bottom of the door sill 10 is fixed to the ground.

[0030] In this embodiment, the door frame 1 is made of high-strength aluminum alloy, which is not only light but also durable and can well resist environmental factors. A plurality of hinges 3 are installed on the door frame 1, which connect the door frame with the freezer door body 2 and allow the door to open and close freely. The inner side of the four sides of the door frame 1 is provided with a sealing strip 4, which tightly fits the freezer door body 2 when the door is closed, thereby preventing cold air from leaking and hot air from entering. The outer side of the freezer door body 2 is provided with a frame 6 for protecting the freezer door body 2.

[0031] The structure of the freezer door body 2 is composed of three layers. The outermost layer is an outer door plate 21 made of stainless steel, which has good corrosion resistance and mechanical strength. The middle layer is a heat insulation core layer 22 made of high-density foam plastic, which provides the main heat insulation function and effectively slows down heat transfer. The innermost layer is an inner door plate 23 made of polyurethane foam material, which also has excellent heat insulation performance. There is a cavity 24 between the outer door plate 21 and the heat insulation core layer 22, in which a reinforcing rib 25 is arranged to enhance the rigidity of the door body and prevent deformation due to long-term use. In addition, anti-collision strips 5 are installed at the top and bottom of the door to reduce the impact damage to the door and other objects when opening and closing the door.

[0032] In order to facilitate the user to enter and exit, a door handle 7 is threadedly connected to the freezer door body 2, and a lock 8 is provided on one side. The two components work together to ensure the safe closing of the door. At the same time, an observation window 9 is also provided on the upper part of the door, which allows the staff to check the inside of the freezer without opening the door.

[0033] Considering safety, a door sill 10 is installed at the bottom of the door frame 1 to improve the sealing effect when the door is closed and also increase the stability of the door. In addition, elastic anti-pinch pads 11 are provided at the edges of the freezer door body 2 to prevent finger or other objects from being pinched during the closing process.

[0034] Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. An insulated cold store door comprising a door frame (1) and a cold store door body (2), characterized in that: The door frame (1) is provided with a plurality of hinges (3), the door frame (1) and the freezer door body (2) are hinged through the hinges (3), the inner side of the four sides of the door frame (1) is provided with a sealing strip (4), the upper and bottom parts of the freezer door body (2) are provided with anti-collision strips (5); the outer side of the four sides of the freezer door body (2) is provided with a frame (6); The freezer door body (2) comprises an outer door plate (21), the inner face of the outer door plate (21) is provided with a heat insulation core layer (22), the inner face of the heat insulation core layer (22) is provided with an inner door plate (23), the heat insulation core layer (22) is located between the outer door plate (21) and the inner door plate (23), a cavity (24) is arranged between the outer door plate (21) and the heat insulation core layer (22), the outer door plate (21) and the heat insulation core layer (22) are fixedly connected through a reinforcing rib (25), and the reinforcing rib (25) is located in the cavity (24).

2. A cold store door as claimed in claim 1, characterised in that: The freezer door body (2) is threadedly connected with a door handle (7), one side of the freezer door body (2) is provided with a lockset (8), the lockset (8) cooperates with the door handle (7), and the upper part of the freezer door body (2) is provided with an observation window (9).

3. A cold store door as claimed in claim 1, characterised in that: The door frame (1) is made of high-strength aluminum alloy material.

4. A cold store door as claimed in claim 1, characterised in that: The inner door plate (23) is made of polyurethane foam material, the heat insulation core layer (22) is made of high-density foam plastic, and the outer door plate (21) and the reinforcing rib (25) are made of stainless steel metal material.

5. A cold store door as claimed in claim 1, characterised in that: The bottom part of the door frame (1) is provided with a door sill (10), and the outer side of one side of the frame (6) is provided with an elastic anti-pinch pad (11).

6. A cold store door as claimed in claim 5, characterised in that: The door sill (10) is fixedly connected with the inner side of the door frame (1), and the bottom part of the door sill (10) is fixed on the ground. The door sill (10) is fixedly connected with the inner side of the door frame (1), and the bottom part of the door sill (10) is fixed on the ground.

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