Floor structure and refrigerated container
By installing support plates and air vents in refrigerated containers to adjust the air volume of the refrigeration unit, the problem of uneven temperature in refrigerated containers is solved, and uniform temperature and balanced distribution of cooling capacity are achieved inside the container.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-03-20
AI Technical Summary
There are large temperature differences between the front and back ends of refrigerated containers, resulting in uneven temperature inside the container and affecting the uniformity of cooling of transported goods.
A support plate is installed in the ventilation slot of the T-shaped floor. Air holes are distributed along the length of the support plate, with the hole diameter gradually increasing from the front end to the rear end. The support plate is connected to the vertical ribs through snap-fit grooves to adjust the air volume distribution of the chiller.
By adjusting the airflow of the chiller, the temperature difference between the front and rear ends of the container is reduced, making the temperature inside the container more uniform and ensuring that transported goods receive balanced cooling at different locations.
Smart Images

Figure CN224014491U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of containers, specifically a floor structure and a refrigerated container. Background Technology
[0002] Existing technologies such as Figure 1 As shown, the refrigeration unit in a refrigerated container is installed at the front end. The cold air is generated by the refrigeration unit and directed to the rear end through channels (ventilation slots) formed by the T-shaped cross-section of the floor. The front end, closer to the refrigeration unit, receives a larger volume of cold air from the floor than the rear end, resulting in a lower temperature at the front and rear ends, creating a significant temperature difference within the container. Utility Model Content
[0003] The purpose of this invention is to provide a floor structure and a cold storage box to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, the present invention provides the following technical solution: a floor structure, comprising a T-shaped floor and a ventilation channel, wherein the ventilation channel is located between the vertical ribs of the T-shaped floor, and a support plate is provided in the ventilation channel, the support plate being parallel to the surface of the T-shaped floor and having multiple air holes; the air holes are distributed along the length direction of the T-shaped floor, and their diameter increases sequentially from the front end to the rear end of the support plate.
[0005] Preferably, a snap-fit groove is provided on the opposite side of two adjacent vertical ribs, and the two sides of the support plate cooperate with the snap-fit groove.
[0006] Preferably, the snap-fit groove protrudes from the side of the vertical rib.
[0007] Preferably, the snap-fit groove is located close to the surface of the T-shaped floor.
[0008] Preferably, the support plate is a single plate structure or is composed of multiple small support plates spliced together.
[0009] Preferably, the support plate is made of high-strength PVC or aluminum profile.
[0010] Preferably, the pores are square, round, or triangular.
[0011] This utility model also discloses a refrigerator box, including a box body, a refrigeration unit and the aforementioned floor structure. The refrigeration unit is located at the front end of the box body, and the air outlet of the refrigeration unit faces the front end of the support plate.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] ① This utility model changes the cross-section of the T-shaped floor and adds a support plate with air holes in the ventilation slot. The diameter of the air holes increases from the front end to the rear end of the box, so that the air volume of the chiller increases from the front end to the rear end. This allows the rear end to obtain more cooling capacity than the prior art, thereby reducing the temperature difference between the front and rear ends of the box and making the temperature inside the box uniform.
[0014] ② By adjusting the floor airflow, this utility model enables greater cooling at the rear end of the box, reducing the impact of uneven temperature between the front and rear ends of the box on transported goods, which is present in the prior art, and ensuring that the goods receive balanced cooling at different locations. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the cold air circulation inside a refrigerator in the prior art;
[0016] Figure 2 This is a partial cross-sectional schematic diagram of the T-shaped floor in an embodiment of this utility model;
[0017] Figure 3 yes Figure 2 A partial top view of the central support plate. Detailed Implementation
[0018] A typical refrigerated container includes a container body, a refrigeration unit, and a floor structure. The refrigeration unit is fixed to the front end of the container body. The floor structure includes a T-shaped floor 1 and ventilation slots 12, with the ventilation slots 12 located between the vertical ribs 11 of the T-shaped floor 1.
[0019] Based on the above structure, a new floor structure is disclosed in this embodiment of the utility model. Please refer to [link / reference]. Figure 2 and Figure 3 The floor structure also includes a support plate 2, which can be a single piece or made up of multiple small support plates. The material can be high-strength PVC or aluminum profile.
[0020] A snap-fit groove 13 is provided on the opposite sides of two adjacent vertical ribs 11. The snap-fit groove 13 is parallel to the length direction of the vertical rib 11, and its two ends reach the two ends of the vertical rib 11 respectively. The snap-fit groove 13 protrudes from the side of the vertical rib 11. The snap-fit groove 13 can be integrally formed with the vertical rib 11, or it can be welded to the side of the vertical rib 11 later. Compared with the bottom of the T-shaped floor 1, the snap-fit groove 13 is closer to the surface of the T-shaped floor 1, so that when the support plate 2 is installed later, a larger cold air circulation channel can be reserved at its bottom.
[0021] The support plate 2 is located within the ventilation slot 12, and its two sides engage with the snap-fit slots 13. After installation, the support plate 2 is parallel to the surface of the T-shaped floor 1. The support plate 2 has multiple air holes 21, which can be square, round, triangular, or other common shapes; the attached diagram shows a round air hole. The air holes 21 are distributed along the length of the T-shaped floor 1 and the support plate 2, with their diameter increasing sequentially from the front to the rear end of the support plate 2. The front end of the support plate 2 is located at the front end of the housing.
[0022] By positioning the front end of the support plate 2 directly opposite the air outlet of the chiller, the small-diameter air holes 21 are positioned closer to the air outlet of the chiller, while the large-diameter air holes 21 are positioned further away from the air outlet of the chiller. This reduces the airflow at the front end of the chamber compared to existing technologies, thereby increasing the airflow at the rear end of the chamber.
[0023] In summary, this utility model changes the cross-section of the T-shaped floor 1 and sets a snap-fit groove 13 on the side of its vertical ribs 11. The support plate 2 with air holes 21 is snapped between the vertical ribs 11, which adjusts the air volume from the front end to the rear end of the box, reduces the temperature difference between the front and rear ends of the box, and makes the temperature inside the box uniform. The transported goods can also obtain a balanced amount of cooling in different positions.
[0024] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A floor structure comprising a T-shaped floor (1) and ventilation channels (12), the ventilation channels (12) being located between the vertical ribs (11) of the T-shaped floor (1), characterized in that: A support plate (2) is provided inside the ventilation slot (12). The support plate (2) is parallel to the surface of the T-shaped floor (1) and has multiple air holes (21). The air holes (21) are distributed along the length of the T-shaped floor (1), and their diameter increases sequentially from the front end to the rear end of the support plate (2).
2. The floor structure according to claim 1, characterized in that: A snap-fit groove (13) is provided on the opposite side of two adjacent vertical ribs (11), and the two sides of the support plate (2) are engaged with the snap-fit groove (13).
3. The floor structure according to claim 2, characterized in that: The snap-fit groove (13) protrudes from the side of the vertical rib (11).
4. The floor structure according to claim 2, characterized in that: The snap-fit groove (13) is close to the surface of the T-shaped floor (1).
5. The floor structure according to claim 1, characterized in that: The support plate (2) is a single plate structure or is composed of multiple small support plates spliced together.
6. The floor structure according to claim 5, characterized in that: The support plate (2) is made of high-strength PVC or aluminum profile.
7. The floor structure according to claim 1, characterized in that: The pores (21) are square, round, or triangular.
8. A refrigerator, characterized in that: It includes a housing, a chiller, and a floor structure as described in any one of claims 1-7, wherein the chiller is located at the front end of the housing, and the air outlet of the chiller is directly opposite the front end of the support plate (2).