Cold storage door structure
By designing multi-layer sealing and multi-layer insulation structures in the cold storage door structure, the problems of cold storage door leakage and insufficient thermal insulation performance are solved, and more effective cold air retention and thermal insulation effects are achieved.
Patent Information
- Application Number
- CN202420981063.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-05-08
AI Technical Summary
The existing cold storage doors have cold leakage, mainly due to the gap between the bottom of the door body and the ground, and the traditional structure lacks thermal insulation performance during push-pull operation.
A cold storage door structure is designed. Foot seals are fixed on both sides of the bottom of the door body. The bottom of the foot seal is connected to the inner isolation sheet. The inner isolation sheet, the middle isolation sheet and the outer isolation sheet are arranged in layers to form a multi-layer sealing structure. At the same time, the interior of the door adopts a multi-layer insulation structure, including an outer insulation layer, an outer insulation core, an isolation board, an inner insulation core and an inner insulation layer.
Through the multi-layer sealing structure and multi-layer heat insulation structure, the gap between the bottom of the door body and the ground is effectively sealed, preventing cold air from overflowing, enhancing the heat insulation performance of the cold storage door, and preventing cold leakage.
Smart Images

Figure CN222378594U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of cold storage doors, in particular to a cold storage door structure. Background Art
[0002] As a component of the cold storage, the cold storage door is mainly used to prevent the loss of cold air in the cold storage, so the cold storage door's cold-blocking structure is very important; the cold storage door mainly maintains the low temperature environment in the cold storage through sealing and heat insulation. It blocks the entry of external heat and prevents the loss of internal cold.
[0003] Common cold storage doors generally use color steel plates or stainless steel plates as hollow sealing bodies, inject polyurethane into the sealing body space, and then set heating wires on the contact surface of the cold storage door and the sealing strip between the cold storage door and the storage board; this kind of traditional cold storage door has great defects;
[0004] The cold storage door is usually an integrated structure, and the door handle is fixed on the outside of the cold storage door. Taking the sliding cold storage door as an example, the door handle is convenient for horizontal operation of the cold storage door. The heat exchange is blocked by the polyurethane inside the cold storage door, which has limitations. There is a gap between the bottom of the cold storage door and the ground, and cold leakage is easy to occur. Utility Model Content
[0005] The purpose of the utility model is to provide a cold storage door structure to solve the defects mentioned in the above background technology.
[0006] To achieve the above object, a cold storage door structure is provided, comprising a door body, wherein an isolation plate is inlaid and fixed inside the door body, and an inner insulation core is fixedly arranged on one side surface of the isolation plate, and an inner insulation layer is covered on the surface of the inner insulation core, and an outer insulation core is fixedly arranged on the other side surface of the isolation plate, and an outer insulation layer is fixedly arranged on the surface of the outer insulation core;
[0007] Foot seals are fixedly arranged on both sides of the bottom of the door body, and the bottom of the foot seal is fixedly connected to the inner isolation sheet, while the outer side of the inner isolation sheet is fixedly connected to the middle isolation sheet, and the outer side of the middle isolation sheet is fixedly installed with an outer isolation sheet.
[0008] Preferably, a sliding block is fixedly installed at the bottom of the door body, and the sliding block is slidably arranged inside the ground rail, and the ground rail is fixedly arranged on the ground.
[0009] Preferably, positioning grooves are provided on both sides of the bottom of the door body, and positioning strips are fixedly provided on the tops of the two sets of foot seals, the positioning strips are adapted to the sizes of the positioning grooves, and the positioning strips are positioned and inserted inside the positioning grooves.
[0010] Preferably, the cross-sections of the positioning strip and the positioning groove are both isosceles trapezoidal structures, and a screw hole is opened in the positioning groove at the bottom of the door body. At the same time, a through hole is opened on the foot seal, and a fixing bolt matching the size of the screw hole passes through the foot seal and is screwed inside the screw hole.
[0011] Preferably, the inner isolation sheet, the middle isolation sheet and the outer isolation sheet are arranged in layers from the inside to the outside, and the bottoms of the inner isolation sheet, the middle isolation sheet and the outer isolation sheet are in contact with the ground.
[0012] Preferably, the foot seal is an "L"-shaped structure made of rubber material, and two sets of foot seals are symmetrically distributed at the bottom of the door body, and the length of the door body is consistent with the length of the foot seal.
[0013] Preferably, the outer insulation layer and the inner insulation layer are both sheet structures made of polyurethane, and the outer insulation core and the inner insulation core are polystyrene insulation boards. At the same time, the outer insulation layer, the outer insulation core, the isolation board, the inner insulation core and the inner insulation layer are arranged in layers from the outside to the inside.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The two sides of the door bottom and the ground are sealed by two sets of foot seals, so that the gap between the door bottom and the ground is sealed, so that the cold air inside the freezer will not overflow from the gap between the door bottom and the ground, avoiding the phenomenon of cold leakage;
[0016] The outer insulation layer and the inner insulation layer are both polyurethane. The two groups of polyurethane insulation layers arranged in layers can form an insulation component for the door body. The multi-layer insulation structure is adopted to enhance the insulation performance of the door body. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the bottom structure of the door body of the utility model;
[0020] Figure 3 This is a schematic diagram of the foot seal structure of the utility model;
[0021] Figure 4 It is a three-dimensional diagram of the structural foot seal of the utility model.
[0022] Numbers in the figure: 1. Door body; 11. Screw hole; 12. Positioning groove; 13. Positioning strip; 14. Foot seal; 15. Fixing bolt; 16. Inner insulation plate; 17. Middle insulation plate; 18. Outer insulation plate; 19. Slider; 20. Floor rail; 2. Outer insulation layer; 3. Outer insulation core; 4. Isolation board; 5. Inner insulation core; 6. Inner insulation layer. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-4 The utility model provides a cold storage door structure, including a door body 1, an isolation plate 4 is embedded and fixed inside the door body 1, and an inner insulation core 5 is fixedly arranged on one side surface of the isolation plate 4, and the surface of the inner insulation core 5 is covered with an inner insulation layer 6, and an outer insulation core 3 is fixedly arranged on the other side surface of the isolation plate 4, and an outer insulation layer 2 is fixedly arranged on the surface of the outer insulation core 3;
[0025] Foot seals 14 are fixedly arranged on both sides of the bottom of the door body 1, and the bottom of the foot seal 14 is fixedly connected to the inner isolation plate 16, while the outer side of the inner isolation plate 16 is fixedly connected to the middle isolation plate 17, and the outer side of the middle isolation plate 17 is fixedly installed with an outer isolation plate 18.
[0026] Working principle: When in use, the door body 1 is slidably set inside the ground rail 20 through the slider 19 at the bottom. At the same time, the two sides of the bottom of the door body 1 and the ground are sealed by two sets of foot seals 14, so that the gap between the bottom of the door body 1 and the ground is sealed, so that the cold air inside the freezer will not overflow from the gap between the bottom of the door body 1 and the ground, avoiding cold leakage.
[0027] As a preferred embodiment, a slider 19 is fixedly installed at the bottom of the door body 1, and the slider 19 is slidably arranged inside the ground rail 20, and the ground rail 20 is fixedly arranged on the ground.
[0028] The slider 19 is slidably arranged inside the ground rail 20, so that the door body 1 can be smoothly pushed or pulled.
[0029] As a preferred embodiment, positioning grooves 12 are opened on both sides of the bottom of the door body 1, and positioning strips 13 are fixedly set on the top of the two sets of foot seals 14. The positioning strips 13 are adapted to the size of the positioning grooves 12, and the positioning strips 13 are positioned and inserted inside the positioning grooves 12.
[0030] like Figure 1-4 As shown: the positioning strip 13 is positioned and inserted into the positioning groove 12, and the two sets of foot seals 14 can be positioned and installed through the positioning groove 12 and the positioning strip 13, and the foot seals 14 can be quickly positioned and installed. The two sets of foot seals 14 can be fastened to the bottom sides of the door body 1 through four sets of fixing bolts 15 to prevent the foot seals 14 from falling off when working.
[0031] As a preferred embodiment, the cross-sections of the positioning strip 13 and the positioning groove 12 are both isosceles trapezoidal structures, and a screw hole 11 is opened in the positioning groove 12 at the bottom of the door body 1. At the same time, a through hole is opened on the foot seal 14, and a fixing bolt 15 that is adapted to the size of the screw hole 11 passes through the foot seal 14 and is screwed to the inside of the screw hole 11.
[0032] like Figure 1-4 As shown: the fixing bolt 15 passes through the foot seal 14 and is screwed into the inside of the screw hole 11, so that the foot seal 14 can be fixed to the bottom of the door body 1. Three sets of isolation plates are arranged at the bottom of the foot seal 14. The isolation plates are made of rubber and contact the ground, so that the gap between the door body 1 and the ground can be sealed to avoid the occurrence of "cold leakage".
[0033] As a preferred embodiment, the inner isolation sheet 16, the middle isolation sheet 17 and the outer isolation sheet 18 are arranged in layers from the inside to the outside, and the bottoms of the inner isolation sheet 16, the middle isolation sheet 17 and the outer isolation sheet 18 are in contact with the ground.
[0034] The bottoms of the inner isolation sheet 16, the middle isolation sheet 17 and the outer isolation sheet 18 are arranged in contact with the ground; the isolation sheets are arranged in three groups, which can form three groups of sealing structures for the gap between the door body 1 and the ground, further avoiding the occurrence of "cold leakage" in the freezer.
[0035] As a preferred implementation, the foot seal 14 is an "L"-shaped structure made of rubber material, and two groups of foot seals 14 are symmetrically distributed at the bottom of the door body 1 , while the length of the door body 1 is consistent with the length of the foot seal 14 .
[0036] The outer insulation layer 2 and the inner insulation layer 6 are both sheet structures made of polyurethane, and the outer insulation core 3 and the inner insulation core 5 are polystyrene insulation boards. At the same time, the outer insulation layer 2, the outer insulation core 3, the isolation board 4, the inner insulation core 5 and the inner insulation layer 6 are arranged in layers from the outside to the inside.
[0037] The outer insulation layer 2 and the inner insulation layer 6 are both polyurethane, and the two sets of polyurethane insulation layers arranged in layers can form the first insulation component for the door body 1, and adopt a double-layer insulation structure to enhance the insulation performance of the door body 1;
[0038] The outer heat insulation layer 2 , the outer heat insulation core 3 , the isolation board 4 , the inner heat insulation core 5 and the inner heat insulation layer 6 form a multi-layer heat insulation structure, which improves and enhances the heat insulation performance of the door body 1 .
[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A cold storage door structure, comprising a door body (1), characterized in that: An isolation plate (4) is embedded and fixed inside the door body (1), and an inner heat-insulating core (5) is fixedly arranged on one side surface of the isolation plate (4), and the surface of the inner heat-insulating core (5) is covered with an inner heat-insulating layer (6), and an outer heat-insulating core (3) is fixedly arranged on the other side surface of the isolation plate (4), and an outer heat-insulating layer (2) is fixedly arranged on the surface of the outer heat-insulating core (3); Foot seals (14) are fixedly arranged on both sides of the bottom of the door body (1), and the bottom of the foot seal (14) is fixedly connected to the inner isolation sheet (16), while the outer side of the inner isolation sheet (16) is fixedly connected to the middle isolation sheet (17), and the outer side of the middle isolation sheet (17) is fixedly installed with an outer isolation sheet (18).
2. A cold storage door structure according to claim 1, characterized in that: A slider (19) is fixedly mounted on the bottom of the door body (1), and the slider (19) is slidably arranged inside a ground rail (20), while the ground rail (20) is fixedly arranged on the ground.
3. A cold storage door structure according to claim 1, characterized in that: Positioning grooves (12) are provided on both sides of the bottom of the door body (1), and positioning strips (13) are fixedly arranged on the tops of the two sets of foot seals (14); the positioning strips (13) are adapted to the size of the positioning grooves (12), and the positioning strips (13) are positioned and inserted into the interior of the positioning grooves (12).
4. A cold storage door structure according to claim 3, characterized in that: The cross-sections of the positioning strip (13) and the positioning groove (12) are both isosceles trapezoidal structures, and a screw hole (11) is provided in the positioning groove (12) at the bottom of the door body (1), and a through hole is provided on the foot seal (14), and a fixing bolt (15) with a size matching that of the screw hole (11) passes through the foot seal (14) and is screwed into the inside of the screw hole (11).
5. A cold storage door structure according to claim 1, characterized in that: The inner isolation sheet (16), the middle isolation sheet (17) and the outer isolation sheet (18) are arranged in layers from the inside to the outside, and the bottoms of the inner isolation sheet (16), the middle isolation sheet (17) and the outer isolation sheet (18) are in contact with the ground.
6. A cold storage door structure according to claim 1, characterized in that: The foot seal (14) is an "L"-shaped structure made of rubber material, and two groups of foot seals (14) are symmetrically distributed at the bottom of the door body (1), and the length of the door body (1) is consistent with the length of the foot seal (14).
7. A cold storage door structure according to claim 1, characterized in that: The outer thermal insulation layer (2) and the inner thermal insulation layer (6) are both sheet structures made of polyurethane, and the outer thermal insulation core (3) and the inner thermal insulation core (5) are polystyrene thermal insulation boards. The outer thermal insulation layer (2), the outer thermal insulation core (3), the isolation board (4), the inner thermal insulation core (5) and the inner thermal insulation layer (6) are arranged in layers from the outside to the inside.