A cold air curtain for a refrigerator

Abstract

The utility model relates to the technical field of cold air curtains, and discloses a cold air curtain for a refrigerator, including a curtain box, a cold air curtain is provided through the front side wall of the curtain box, fan-shaped mounting frames are provided at both ends of the curtain box, mounting rings are installed at the top of the fan-shaped mounting frames, multiple groups of positioning rings are provided on the arc side of the fan-shaped mounting frames, a mounting sleeve is installed on the rear side of the lower side wall of the curtain box, a positioning sleeve is installed on the front side of the lower side wall of the curtain box, a plug rod is installed through the mounting ring and the inside of the mounting sleeve, and a plug rod of the same structure is installed through the positioning ring and the inside of the positioning sleeve. The advantages of the utility model compared with the prior art are: the curtain box is installed between two groups of fan-shaped mounting frames, one corner of the curtain box is positioned and installed on the fan-shaped mounting frame by the plug rod, the curtain box can be rotated inside the two groups of fan-shaped mounting frames, and the installation angle of the curtain box can be adjusted according to the structure of the refrigerator to prevent the cold air curtain from rubbing against the withdrawal port of the curtain box.

Description

Technical Field

[0001] The utility model relates to the technical field of cold air curtains, in particular to a cold air curtain for a refrigerating cabinet. Background Art

[0002] In the prior art, in order to maintain the freshness of perishable foods such as vegetables, meat, and fish and to enable consumers to directly see and choose foods, supermarkets and other places use open-front refrigerators. The refrigerators are provided with cold air vents to blow out cold air to keep the foods fresh at low temperatures. After business hours, the cold air continues to flow out. By pulling down the cold air curtain, the loss of refrigerant and energy can be reduced, and dust and foreign matter can be prevented from entering the refrigerator after business hours.

[0003] With the development of the times, the cold air curtain for refrigerators has also been technically improved. However, the curtain box in the prior art is usually fixed on the top of the refrigerator by bolts. The curtain box structure is fixed. The cold air curtain has different withdrawal directions due to different refrigerator structures. The cold air curtain is prone to friction with the withdrawal port of the curtain box. The cold air curtain is usually made of transparent material. Wear of the cold air curtain will affect the permeability of the cold air curtain. Utility Model Content

[0004] 1. Technical Problems Solved

[0005] The technical problem to be solved by the utility model is that the curtain box is usually fixed on the top of the refrigerator by bolts. The curtain box structure is fixed. Different refrigerator structures make the withdrawal directions of the cold air curtain different. The cold air curtain is easy to rub against the withdrawal outlet of the curtain box.

[0006] 2. Technical Solution

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: a cold air curtain for a refrigerator, comprising a curtain box, a cold air curtain is provided on the front side wall of the curtain box, fan-shaped mounting frames are respectively provided at both ends of the curtain box, a mounting ring is installed at the top of the fan-shaped mounting frame, and a plurality of positioning rings are provided on the arc-shaped side of the fan-shaped mounting frame, a mounting sleeve is installed on the rear side of the lower side wall of the curtain box, a positioning sleeve is installed on the front side of the lower side wall of the curtain box, an insertion rod is installed between the mounting ring and the inside of the mounting sleeve, and an insertion rod of the same structure is installed between the positioning ring and the inside of the positioning sleeve.

[0008] As an improvement, a limit block is provided at one end of the insertion rod and a thread is provided on the outer side of the other end, and a positioning cap is installed on the outer side of the threaded end of the insertion rod.

[0009] As an improvement, a plurality of sets of mounting bolts are installed through one side wall of the fan-shaped mounting frame.

[0010] As an improvement, the width between the two sides of the cold air curtain is 5-20 mm from the distance between the outer walls of the curtain box on both sides.

[0011] As an improvement, the insertion rods are selected to have different lengths, and the length difference between the insertion rods of different lengths is the length between the outer walls on both sides of the curtain box.

[0012] 3. Beneficial Effects

[0013] The advantages of the utility model compared with the prior art are: the curtain box is installed between two groups of fan-shaped mounting frames, one corner of the curtain box is positioned and installed on the fan-shaped mounting frame by an insertion rod, the curtain box can be rotated inside the two groups of fan-shaped mounting frames, and the installation angle of the curtain box can be adjusted according to the structure of the cold storage cabinet to prevent the cold air curtain from rubbing against the withdrawal port of the curtain box. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a three-dimensional diagram of a cold air curtain for a refrigerator.

[0015] Figure 2 The utility model is a schematic diagram of a curtain box structure of a cold air curtain for a refrigerator.

[0016] Figure 3 The utility model is a schematic diagram of the structure of a fan-shaped mounting frame of a cold air curtain for a refrigerator.

[0017] Figure 4 The utility model is a schematic diagram of a rod insertion structure of a cold air curtain for a refrigerator.

[0018] As shown in the figure: 1. Curtain box; 2. Air conditioning curtain; 3. Fan-shaped mounting bracket; 4. Mounting bolts; 5. Mounting ring; 6. Positioning ring; 7. Mounting sleeve; 8. Positioning sleeve; 9. Insert rod; 10. Positioning cap. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Embodiment 1

[0021] As attached Figure 1 , Attachment Figure 2 and attached Figure 3As shown, a cold air curtain for a refrigerator comprises a curtain box 1, a cold air curtain 2 is provided through the front side wall of the curtain box 1, fan-shaped mounting frames 3 are respectively provided at both ends of the curtain box 1, a plurality of mounting bolts 4 are installed through one side wall of the fan-shaped mounting frame 3, a mounting ring 5 is installed at the top of the fan-shaped mounting frame 3, a plurality of positioning rings 6 are provided on the arc side of the fan-shaped mounting frame 3, a mounting sleeve 7 is installed on the rear side of the lower side wall of the curtain box 1, a positioning sleeve 8 is installed on the front side of the lower side wall of the curtain box 1, an insertion rod 9 is installed between the mounting ring 5 and the inside of the mounting sleeve 7, and an insertion rod 9 of the same structure is installed between the positioning ring 6 and the inside of the positioning sleeve 8.

[0022] Through the above structure, after the distance between the two sets of fan-shaped mounting frames 3 is adjusted, they are installed on the top of the refrigerator through multiple sets of mounting bolts 4, and the cold air curtain 2 is pulled out from the curtain box 1 for use. The cold air curtain 2 is pulled out at different angles according to the structure of the refrigerator. In order to prevent the cold air curtain 2 from rubbing against the extraction port of the curtain box 1, the insertion rod 9 is pulled out from the positioning ring 6 and the positioning sleeve 8, and the curtain box 1 is rotated inside the cold air curtain 2, and the positioning sleeve 8 is aligned with the positioning ring 6 at a suitable position, and the insertion rod 9 is inserted into the positioning ring 6 and the positioning sleeve 8 to position the curtain box 1. The specific structure is as follows:

[0023] Combined with Figure 4 As shown, a limit block is provided at one end of the insertion rod 9 and a thread is provided on the outer side of the other end, and a positioning cap 10 is installed on the outer side of the threaded end of the insertion rod 9.

[0024] Through the above structure, after the insertion rod 9 is passed between the mounting ring 5 and the inside of the mounting sleeve 7 or between the positioning ring 6 and the inside of the positioning sleeve 8, the positioning cap 10 is threadedly installed to the outside of the threaded end of the insertion rod 9, and the insertion rod 9 is positioned by the limit block at one end of the insertion rod 9 and the positioning cap 10.

[0025] Combined with Figure 1 As shown, the width between the two sides of the cold air curtain 2 is 5-20 mm from the distance between the outer walls of the curtain box 1 on both sides.

[0026] With the above structure, the width of the cold air curtain 2 is close to the outer walls of the curtain box 1 on both sides, so that the distance between multiple groups of cold air curtains 2 is closer, reducing the escape of cold air inside the refrigerator and preventing dust and foreign matter from entering the refrigerator.

[0027] Embodiment 2

[0028] Based on Example 1, please refer to the attached Figure 4 The insertion rods 9 are selected to have different lengths, and the length difference between the insertion rods 9 of different lengths is the length between the outer walls on both sides of the curtain box 1.

[0029] Through the above structure of the second embodiment, different lengths of the insertion rods 9 are selected according to the width of the refrigerator, and multiple sets of curtain boxes 1 can be installed between two sets of fan-shaped mounting frames 3, so that multiple sets of cold air curtains 2 can be installed on the front side of the refrigerator, and the distance between the multiple sets of cold air curtains 2 is ensured to be close.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although 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.

[0032] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A cold air curtain for a refrigerator, comprising a curtain box (1), wherein a cold air curtain (2) is provided on a front side wall of the curtain box (1), wherein: The curtain box (1) is provided with a fan-shaped mounting frame (3) at both ends, a mounting ring (5) is installed at the top of the fan-shaped mounting frame (3), a plurality of positioning rings (6) are provided on the arc side of the fan-shaped mounting frame (3), a mounting sleeve (7) is installed on the rear side of the lower side wall of the curtain box (1), a positioning sleeve (8) is installed on the front side of the lower side wall of the curtain box (1), an insertion rod (9) is installed between the mounting ring (5) and the inside of the mounting sleeve (7), and an insertion rod (9) of the same structure is installed between the positioning ring (6) and the inside of the positioning sleeve (8).

2. The cold air curtain for a refrigerator according to claim 1, characterized in that: A limit block is provided at one end of the insertion rod (9) and a thread is provided on the outer side of the other end; a positioning cap (10) is installed on the outer side of the threaded end of the insertion rod (9).

3. The cold air curtain for a refrigerator according to claim 1, characterized in that: A plurality of groups of mounting bolts (4) are installed through one side wall of the sector-shaped mounting frame (3).

4. The cold air curtain for a refrigerator according to claim 1, characterized in that: The width between the two sides of the cold air curtain (2) is 5-20 mm from the distance between the two side outer walls of the curtain box (1).

5. The cold air curtain for a refrigerator according to claim 1, characterized in that: The insertion rods (9) are selected to have different lengths, and the length difference between the insertion rods (9) of different lengths is the length between the outer walls on both sides of the curtain box (1).

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