Drawer type refrigeration display cabinet
By introducing multi-layer drawer units and a cold air circulation system into the refrigerated display case, combined with sealing and air pressure balance design, the problems of cold air loss and uneven temperature are solved, achieving low energy consumption and high-efficiency preservation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XUAN CHENG CITY ART SNOW REFRIGERATION EQUIP CO LTD
- Filing Date
- 2025-04-15
- Publication Date
- 2026-05-15
AI Technical Summary
Traditional refrigerated display cases suffer from problems such as easy loss of cold air, high energy consumption, large temperature fluctuations, and unstable drawer design. In particular, the drawer design in refrigerated display cases lacks airtightness and stability.
It adopts a multi-layer drawer unit and sliding connection structure, combined with sealing components, cold air circulation system and air pressure balance components, and designed guide holes and return air inlets to achieve precise distribution and efficient recovery of cold air. Magnetic sealing strips and air pressure balance valves ensure sealing and stability.
It achieves efficient distribution and recovery of cold energy, reduces energy consumption, improves food preservation, and enhances the stability and sealing of drawers.
Smart Images

Figure CN224235091U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of display cabinet technology, and specifically relates to a drawer-type refrigerated display cabinet. Background Technology
[0002] Traditional refrigerated display cases are usually designed with doors, which makes it easy for cold air to escape each time items are stored or retrieved, leading to increased energy consumption, large temperature fluctuations, and affecting the preservation of food.
[0003] The existing drawer-style design has not been effectively applied in refrigerated display cases due to structural deficiencies, such as poor sealing or poor stability when the drawer is pulled out, making it prone to tilting. Utility Model Content
[0004] This utility model addresses the problems in the existing technology by providing a drawer-type refrigerated display cabinet, the specific technical solution of which is as follows:
[0005] A drawer-type refrigerated display cabinet includes a cabinet body, a refrigeration system, a multi-layer drawer unit, and a cold air circulation system. The multi-layer drawer unit is slidably connected to the cabinet body via a sliding connection structure, and the frame of the multi-layer drawer unit is provided with a sealing component.
[0006] The air circulation system includes: an air supply module: a fan installed at the top of the cabinet to deliver cold air to each drawer unit;
[0007] Airflow guiding structure: Airflow guiding holes are opened on the rear side wall of each drawer unit, and cold air enters the drawer through the airflow guiding holes;
[0008] Return air module: Return air vents are opened at the bottom of each drawer unit, and the return air vents are connected to the vertical return air channels on the side wall of the cabinet to form a cold air return path;
[0009] Air pressure balancing component: An air pressure balancing valve located on the rear side of the cabinet, used to balance the air pressure difference between the inside and outside of the cabinet when the drawer is pulled out;
[0010] The sealing assembly includes a magnetic sealing strip embedded in the frame of the multi-layer drawer unit, which adheres to the cabinet body when closed.
[0011] As a further technical solution of this utility model, the guide holes are arranged in an array on the rear side wall of the drawer, and their axis is inclined at an angle to the bottom surface of the drawer, so that the cold air forms a downward inclined airflow barrier.
[0012] As a further technical solution of this utility model, the opening shape of the guide hole is an flared structure with a smooth inner wall, which is used to reduce airflow resistance and diffuse cold air.
[0013] As a further technical solution of this utility model, the return air vent is located at the bottom of the drawer, and its width accounts for 60%-70% of the bottom surface of the drawer. A detachable filter device is provided above the return air vent.
[0014] As a further technical solution of this utility model, the filtering device includes a dust filter screen, which is installed on the inner wall of the multi-layer drawer unit through an elastic connecting mechanism. The elastic connecting mechanism includes an elastic element, a movable inner rod, and an abutment plate, which are used to adaptively adjust the position of the dust filter screen.
[0015] As a further technical solution of this utility model, the sliding connection structure includes a slide rail and a limiting component, and the slide rail is embedded with an anti-icing device.
[0016] As a further technical solution of this utility model, the multi-layer drawer unit is provided with a transparent display panel on the front side for visually displaying the internal items.
[0017] The beneficial effects of this utility model are as follows:
[0018] In this application, the cold air circulation path design achieves precise distribution, efficient recovery and low energy consumption of cold air, solving the core problems of cold air dissipation and uneven temperature in traditional refrigerated display cases, and fully demonstrating the creativity and practicality of the technical solution. Attached Figure Description
[0019] Figure 1 A schematic diagram of the overall internal structure of a drawer-type refrigerated display case is shown.
[0020] Figure 2 A top view of the internal structure of a drawer-type refrigerated display case is shown.
[0021] Figure 3 It shows Figure 1 Enlarged structural diagram at point A in the middle.
[0022] Legend:
[0023] 1. Cabinet; 2. Fan; 3. Return air duct; 4. Multi-layer drawer unit; 5. Air guide hole; 6. Return air vent; 7. Sliding connection structure; 8. Dust filter; 9. Elastic element; 10. Movable inner rod; 11. Abutment plate; 12. Acrylic panel; 13. Magnetic sealing strip; 14. Air pressure balance valve. Detailed Implementation
[0024] To make the objectives, technical solutions, and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.
[0025] Figure 1A schematic diagram of the overall internal structure of a drawer-type refrigerated display case is shown. Figure 1 The present invention relates to a drawer-type refrigerated display cabinet, comprising a cabinet body 1, a refrigeration system, a multi-layer drawer unit 4, and a cold air circulation system. The multi-layer drawer unit 4 is connected to the cabinet body 1 in a pull-out manner via a sliding connection structure 7, and the frame of the multi-layer drawer unit 4 is provided with a sealing component.
[0026] The air circulation system includes: an air supply module: a fan 2 located at the top of the cabinet 1, used to deliver cold air to each drawer unit 4;
[0027] Airflow guiding structure: Airflow guiding holes 5 are opened on the rear side wall of each drawer unit 4, and cold air enters the interior of the drawer through the airflow guiding holes 5;
[0028] Return air module: Return air vents 6 are opened at the bottom of each drawer unit 4. The return air vents 6 are connected to the vertical return air channel 3 on the side wall of the cabinet 1 to form a cold air return path.
[0029] Air pressure balancing component: Air pressure balancing valve 14 is installed on the rear side of cabinet 1 to balance the air pressure difference between the inside and outside of the cabinet when the drawer is pulled out;
[0030] The sealing assembly includes a magnetic sealing strip 13 embedded in the frame of the multi-layer drawer unit 4, which adheres to the cabinet body 1 when closed.
[0031] The air guide holes 5 are arranged in an array on the rear side wall of the drawer, with their axis at an angle to the bottom surface of the drawer, so that the cold air forms a downward-sloping airflow barrier; the cold air blows downwards at an angle to the front of the drawer, forming an "air curtain effect" to reduce the leakage of cold air when the drawer is pulled out; the opening shape of the air guide holes 5 is a flared structure with a smooth inner wall, which is used to reduce airflow resistance and diffuse the cold air; reducing airflow resistance and creating a diffusion effect when the cold air passes through, avoiding direct blowing on items; the return air vent 6 is located at the bottom of the drawer, with a width of 60%-70% of the bottom surface of the drawer, and a removable filter device is provided above the return air vent 6; a transparent display panel 12 is provided on the front side of the multi-layer drawer unit 4 for visually displaying the items inside.
[0032] Figure 3 It shows Figure 1 Enlarged structural diagram at point A in the middle; Figure 3 In the middle, the filter device includes a dust filter 8, which is installed on the inner wall of the multi-layer drawer unit 4 through an elastic connection mechanism. The elastic connection mechanism includes an elastic element 9, a movable inner rod 10 and an abutment plate 11, which are used to adaptively adjust the position of the dust filter 8. The sliding connection structure 7 includes a slide rail and a limiting component, and the slide rail is embedded with an anti-icing device.
[0033] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.
Claims
1. A drawer-type refrigerated display case, comprising a cabinet body (1), a refrigeration system, a multi-layer drawer unit (4), and a cold air circulation system, characterized in that: The multi-layer drawer unit (4) is connected to the cabinet (1) in a pull-out manner through a sliding connection structure (7), and the frame of the multi-layer drawer unit (4) is provided with a sealing component; The air circulation system includes: an air supply module: a fan (2) installed on the top of the cabinet (1) to deliver cold air to each drawer unit (4); Airflow guiding structure: Airflow guiding holes (5) are opened on the rear side wall of each drawer unit (4), and cold air enters the interior of the drawer through the airflow guiding holes (5); Return air module: A return air vent (6) is opened at the bottom of each drawer unit (4). The return air vent (6) is connected to the vertical return air channel (3) on the side wall of the cabinet (1) to form a cold air return path. Air pressure balancing assembly: an air pressure balancing valve (14) located on the rear side of the cabinet (1) to balance the air pressure difference between the inside and outside of the cabinet when the drawer is pulled out; The sealing assembly includes a magnetic sealing strip (13) embedded in the frame of the multi-layer drawer unit (4), which adheres to the cabinet body (1) when closed.
2. The drawer-type refrigerated display case according to claim 1, characterized in that: The air guide holes (5) are arranged in an array on the rear side wall of the drawer, and their axis is inclined at an angle to the bottom surface of the drawer, so that the cold air forms a downward inclined airflow barrier.
3. A drawer-type refrigerated display case according to claim 1, characterized in that, The opening shape of the guide hole (5) is an flared structure with a smooth inner wall, which is used to reduce airflow resistance and diffuse cold air.
4. A drawer-type refrigerated display case according to claim 1, characterized in that: The return air vent (6) is located at the bottom of the drawer, and its width accounts for 60%-70% of the bottom surface of the drawer. A removable filter device is provided above the return air vent (6).
5. A drawer-type refrigerated display case according to claim 4, characterized in that: The filtering device includes a dust filter (8), which is installed on the inner wall of the multi-layer drawer unit (4) via an elastic connection mechanism. The elastic connection mechanism includes an elastic element (9), a movable inner rod (10), and an abutment plate (11) for adaptively adjusting the position of the dust filter (8).
6. A drawer-type refrigerated display case according to claim 1, characterized in that: The sliding connection structure (7) includes a slide rail and a limiting component, with an anti-icing device embedded in the slide rail.
7. A drawer-type refrigerated display case according to claim 1, characterized in that: The multi-layer drawer unit (4) has a transparent display panel (12) on the front side for visually displaying the internal items.