Double air curtain circulating fresh-keeping refrigeration refrigerator

Abstract

The utility model relates to the technical field of refrigerator, concretely is a kind of double air curtain circulation fresh-keeping refrigeration refrigerator, including refrigerator body and lifting device, lifting device is arranged in the inside of refrigerator body, lifting device includes guide rail, guide rail is fixedly connected with the inside wall of refrigerator body, guide rail has two groups and symmetrically set, and there is set object plate between two groups of guide rails, and the both sides of guide rail close to set object plate are fixedly connected with mounting frame, the inner wall of mounting frame is fixedly connected with fixed shaft, and the surface of fixed shaft is rotatably connected with gyro wheel. The utility model, by setting lifting device, it is convenient to flexibly and quickly adjust the height between set object plate, flexibly adapts different size food material, and by adjusting set object plate height, different kinds of food material can be zoned isolated, it is convenient to classified storage, reduce food material cross-contamination, improve space utilization, effectively improve the convenience of equipment.

Description

Technical Field

[0001] This utility model relates to the field of freezer technology, and in particular to a double air curtain circulating preservation and refrigeration freezer. Background Technology

[0002] Refrigerated display cases (showcases), or simply freezers, are appliances used for the refrigerated display of food, medicine, and other items. They are suitable for the preservation, display, and sale of dairy products, meat products, daily necessities, fruits and vegetables, beverages, and dishes in large supermarkets, convenience stores, hotels, and guesthouses. When a freezer is operating, it is typically necessary to maintain a low temperature in the display area for preservation purposes. However, to facilitate customer selection, the display area of ​​a freezer is usually open. Therefore, to maintain the temperature of the display area, current technology typically involves installing a cold air curtain on the outside (front) of the display area to isolate it from the external environment while simultaneously providing cold air to the display case to maintain the low temperature.

[0003] Existing equipment, such as CN222917244U, is a double-air curtain circulating refrigeration freezer. It includes a freezer body, a second air curtain device fixedly connected to the top of the freezer body, a first air curtain device fixedly connected to one side of the inner wall of the freezer body, and fixed plates fixedly connected to both ends of one side of the inner wall of the freezer body. Multiple supports are provided on one side of the fixed plates, and a height adjustment mechanism is provided between the supports and the fixed plates. A rotating plate is rotatably connected to one end of each support. This invention, by setting a telescopic adjustment mechanism, allows for adjustment of the longitudinal depth of the first shelf, further improving usability. By setting a height adjustment mechanism, the height between the first shelf units can be adjusted, further improving space utilization based on the displayed items and display needs. By setting a tilt adjustment mechanism, the tilt angle of the second shelf unit can be adjusted, further improving display convenience.

[0004] While existing technology can adjust the height of the shelf, the structure is too complex, the cost is relatively high, and it is not convenient to use, so improvements are needed. Utility Model Content

[0005] The purpose of this invention is to solve the problem that the complex structure of the existing technology leads to inconvenience in use, and to propose a double air curtain circulating preservation and refrigeration freezer.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a double-air curtain circulating preservation and refrigeration freezer, comprising a freezer body and a lifting device, wherein the lifting device is disposed inside the freezer body, the lifting device includes guide rails, the guide rails are fixedly connected to the inner side wall of the freezer body, there are two sets of guide rails arranged symmetrically, a shelf is provided between the two sets of guide rails, mounting frames are fixedly connected to the two sides of the shelf near the guide rails, a fixed shaft is fixedly connected to the inner wall of the mounting frame, and rollers are rotatably connected to the surface of the fixed shaft.

[0007] Furthermore, the roller is disposed inside the guide rail and is slidably connected to the inner side wall of the guide rail. A limiting component is provided on the lower surface of the shelf, and the limiting component includes a sleeve and a socket.

[0008] Furthermore, the insertion holes are located on the side of the guide rail near the shelf, and there are multiple sets of insertion holes arranged linearly and evenly along the surface of the guide rail. The sleeve is fixedly connected to the lower surface of the shelf, and two sets of sleeves are provided on the side of the shelf near the guide rail.

[0009] Furthermore, a sliding rod is slidably connected to the inner wall of the sleeve, the sliding rod is slidably connected to the inner wall of the insertion hole, and a spring is fixedly connected to the inner wall of the sleeve, with one end of the spring material being fixedly connected to the sliding rod.

[0010] Furthermore, a first groove is formed on the lower surface of the sleeve, and an extension slider is fixedly connected to the surface of the slide rod. The extension slider is slidably connected to the inner wall of the first groove. A second groove is formed on the lower surface of the sleeve, and a connecting slider is fixedly connected between the two sets of extension sliders. The connecting slider is slidably connected to the inner wall of the second groove.

[0011] Furthermore, the interior of the freezer body is provided with a stabilizing component, which includes a limiting plate and a limiting groove. The limiting plate is fixedly connected to the inner wall of the freezer body, the limiting groove is formed on the limiting plate, and the shelf is slidably connected to the limiting plate.

[0012] Furthermore, a connecting rod is fixedly connected to the lower surface of the freezer body. There are four sets of connecting rods. The surface of the connecting rod is provided with a threaded groove. A traveling wheel is fixedly connected to the lower surface of the connecting rod. A support cylinder is threadedly connected to the surface of the connecting rod. The support cylinder is located outside the traveling wheel.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] In this invention, a lifting device is incorporated to facilitate flexible and quick adjustment of the height between the shelves. During use, the support cylinder is rotated, sliding on the surface of the connecting rod and blocking the travel wheel. Pulling the connecting slider causes two extension sliders to slide within the first groove. The extension sliders disengage the corresponding sliding rods from the insertion holes, while the sliding rods compress the springs, causing the springs to contract. This adjusts the shelf position. When the desired position is reached, the connecting sliders are released, releasing the springs and pushing the sliding rods back into the insertion holes. This lifting device allows for flexible and quick adjustment of the shelf height, adapting to different sized ingredients and improving space utilization. Furthermore, adjusting the shelf height allows for the separation of different types of ingredients, facilitating categorized storage and reducing cross-contamination, thus significantly enhancing the convenience of the equipment. Attached Figure Description

[0015] Figure 1 A three-dimensional structural diagram of a double-air curtain circulating preservation and refrigeration freezer is provided for this utility model;

[0016] Figure 2 This utility model provides a structural schematic diagram of a lifting device in a double-air-curtain circulating preservation and refrigeration freezer;

[0017] Figure 3 This utility model proposes a double-air curtain circulating preservation and refrigeration freezer. Figure 2 A magnified structural diagram at point A;

[0018] Figure 4 This utility model provides a structural schematic diagram of a limiting component in a double-air-curtain circulating preservation and refrigeration freezer;

[0019] Figure 5 This utility model proposes a double-air curtain circulating preservation and refrigeration freezer. Figure 4 A magnified structural diagram at point B;

[0020] Figure 6 This utility model proposes a double-air curtain circulating preservation and refrigeration freezer. Figure 2 A magnified structural diagram at point C.

[0021] Legend:

[0022] 1. Refrigerator body; 2. Lifting device; 21. Guide rail; 22. Shelf; 23. Mounting frame; 24. Fixed shaft; 25. Roller; 26. Limiting component; 261. Insertion hole; 262. Sleeve; 263. Spring; 264. Slide rod; 265. Slide groove one; 266. Slide groove two; 267. Extension slider; 268. Connecting slider; 27. Stabilizing component; 271. Limiting plate; 272. Limiting groove; 28. Connecting rod; 29. ​​Traveling wheel; 210. Support cylinder. Detailed Implementation

[0023] Please see Figures 1-6 This utility model provides a technical solution: a double air curtain circulating preservation and refrigeration freezer, including a freezer body 1 and a lifting device 2, the lifting device 2 being installed inside the freezer body 1.

[0024] The specific setup and function of its lifting device 2 will be described in detail below.

[0025] In this embodiment: the lifting device 2 includes a guide rail 21, which is fixedly connected to the inner side wall of the freezer body 1. There are two sets of guide rails 21 arranged symmetrically. A shelf 22 is provided between the two sets of guide rails 21. Mounting frames 23 are fixedly connected to both sides of the shelf 22 near the guide rails 21. A fixing shaft 24 is fixedly connected to the inner wall of the mounting frame 23. Rollers 25 are rotatably connected to the surface of the fixing shaft 24.

[0026] The effect achieved by the above components is: by setting up rollers 25, friction is reduced, making lifting and lowering easier.

[0027] Specifically, the roller 25 is disposed inside the guide rail 21 and is slidably connected to the inner side wall of the guide rail 21. The lower surface of the shelf 22 is provided with a limiting component 26, which includes a sleeve 262 and an insertion hole 261.

[0028] Specifically, the insertion hole 261 is opened on the side of the guide rail 21 near the shelf 22. There are multiple sets of insertion holes 261, and the multiple sets of insertion holes 261 are arranged linearly and evenly along the surface of the guide rail 21. The sleeve 262 is fixedly connected to the lower surface of the shelf 22. Two sets of sleeves 262 are provided on the side of the shelf 22 near the guide rail 21.

[0029] The effect achieved by the above components is that the insertion hole 261, in conjunction with the slide bar 264, supports the shelf 22.

[0030] Specifically, a slide rod 264 is slidably connected to the inner wall of the sleeve 262, and the slide rod 264 is slidably connected to the inner wall of the insertion hole 261. A spring 263 is fixedly connected to the inner wall of the sleeve 262, and one end of the spring 263 is fixedly connected to the slide rod 264.

[0031] The effect achieved by the above components is: the spring 263 pushes the slide bar 264 so that it is inside the socket 261.

[0032] Specifically, the lower surface of the sleeve 262 is provided with a first groove 265, and an extension slider 267 is fixedly connected to the surface of the slide rod 264. The extension slider 267 is slidably connected to the inner wall of the first groove 265. The lower surface of the sleeve 262 is provided with a second groove 266, and a connecting slider 268 is fixedly connected between the two sets of extension sliders 267. The connecting slider 268 is slidably connected to the inner wall of the second groove 266.

[0033] The effect achieved by the above components is that the extension slider 267, in conjunction with the connecting slider 268, can simultaneously pull the two sliders 264 on the same side.

[0034] Specifically, the interior of the freezer body 1 is provided with a stabilizing component 27, which includes a limiting plate 271 and a limiting groove 272. The limiting plate 271 is fixedly connected to the inner wall of the freezer body 1, the limiting groove 272 is opened on the limiting plate 271, and the shelf 22 is slidably connected to the limiting plate 271.

[0035] The effect achieved by the above components is to maintain the stability of the shelf 22 by setting the limiting plate 271 and the limiting groove 272.

[0036] Specifically, a connecting rod 28 is fixedly connected to the lower surface of the freezer body 1. There are four sets of connecting rods 28. The surface of the connecting rod 28 is provided with a threaded groove. A traveling wheel 29 is fixedly connected to the lower surface of the connecting rod 28. A support cylinder 210 is threadedly connected to the surface of the connecting rod 28. The support cylinder 210 is located outside the traveling wheel 29.

[0037] The effect achieved by the above components is: the support cylinder 210 supports the freezer body 1 without moving the freezer body 1.

[0038] Working principle: By setting up the lifting device 2, the height between the shelves 22 can be adjusted flexibly and quickly. In use, the support cylinder 210 is rotated and slides on the surface of the connecting rod 28, blocking the travel wheel 29. The connecting slider 268 is pulled, and the connecting slider 268 drives the two extension sliders 267 to slide in the first slide groove 265. The extension sliders 267 drive the corresponding slide rods 264 to disengage from the insertion hole 261. At the same time, the slide rods 264 compress the spring 263, and the spring 263 is compressed by force. Then the shelf 22 is adjusted. When it is adjusted to a suitable position, the connecting slider 268 is released, and the spring 263 is unrestrained and pushes the slide rods 264 into the insertion hole 261.

[0039] By setting up the lifting device 2, the height between the shelves 22 can be adjusted flexibly and quickly to adapt to different sizes of food, improve space utilization, and by adjusting the height of the shelves, different types of food can be separated and stored separately, which facilitates classification and reduces cross-contamination of food, thus effectively improving the convenience of the equipment.

Claims

1. A double-air-curtain circulating refrigeration freezer, comprising a freezer body (1) and a lifting device (2), characterized in that: The lifting device (2) is installed inside the freezer body (1). The lifting device (2) includes a guide rail (21). The guide rail (21) is fixedly connected to the inner wall of the freezer body (1). There are two sets of guide rails (21) arranged symmetrically. A shelf (22) is provided between the two sets of guide rails (21). The shelf (22) is fixedly connected to the two sides of the guide rail (21) with a mounting frame (23). A fixing shaft (24) is fixedly connected to the inner wall of the mounting frame (23). A roller (25) is rotatably connected to the surface of the fixing shaft (24).

2. The double-air-curtain circulating refrigeration and preservation freezer according to claim 1, characterized in that: The roller (25) is disposed inside the guide rail (21) and is slidably connected to the inner side wall of the guide rail (21). The lower surface of the shelf (22) is provided with a limiting component (26), which includes a sleeve (262) and a socket (261).

3. A double-air-curtain circulating refrigeration and preservation freezer according to claim 2, characterized in that: The insertion hole (261) is opened on the side of the guide rail (21) near the shelf (22). There are multiple sets of insertion holes (261), and the multiple sets of insertion holes (261) are arranged linearly and evenly along the surface of the guide rail (21). The sleeve (262) is fixedly connected to the lower surface of the shelf (22). Two sets of sleeves (262) are provided on the side of the shelf (22) near the guide rail (21).

4. A double-air-curtain circulating refrigeration and preservation freezer according to claim 3, characterized in that: The inner wall of the sleeve (262) is slidably connected to a slide rod (264), the slide rod (264) is slidably connected to the inner wall of the insertion hole (261), and the inner wall of the sleeve (262) is fixedly connected to a spring (263), the spring (263) is fixedly connected to one end of the inner wall of the sleeve (262) and the slide rod (264).

5. A double-air-curtain circulating refrigeration freezer according to claim 4, characterized in that: The lower surface of the sleeve (262) is provided with a first sliding groove (265), and an extension slider (267) is fixedly connected to the surface of the slide rod (264). The extension slider (267) is slidably connected to the inner wall of the first sliding groove (265). The lower surface of the sleeve (262) is provided with a second sliding groove (266), and a connecting slider (268) is fixedly connected between the two sets of extension sliders (267). The connecting slider (268) is slidably connected to the inner wall of the second sliding groove (266).

6. A double-air-curtain circulating refrigeration and preservation freezer according to claim 1, characterized in that: The freezer body (1) is provided with a stabilizing component (27) inside. The stabilizing component (27) includes a limiting plate (271) and a limiting groove (272). The limiting plate (271) is fixedly connected to the inner wall of the freezer body (1). The limiting groove (272) is opened on the limiting plate (271). The shelf (22) is slidably connected to the limiting plate (271).

7. A double-air-curtain circulating refrigeration and preservation freezer according to claim 1, characterized in that: The lower surface of the freezer body (1) is fixedly connected to a connecting rod (28). There are four sets of connecting rods (28). The surface of the connecting rod (28) is provided with a threaded groove. The lower surface of the connecting rod (28) is fixedly connected to a traveling wheel (29). The surface of the connecting rod (28) is threadedly connected to a support cylinder (210). The support cylinder (210) is located outside the traveling wheel (29).

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