Heat preservation box

Abstract

The utility model belongs to the technical field of heat preservation boxes, and particularly relates to a heat preservation box which comprises a flexible box body, a rigid ring body arranged at the opening end of the flexible box body and fixedly connected with the flexible box body, and a rigid cover plate arranged on the rigid ring body, the rear side edge of the rigid cover plate is hinged to the rear side edge of the rigid cover plate, and a rigid embedded frame body integrally formed with the rigid cover plate is arranged on the inner surface of the rigid cover plate. The rigid embedded frame body is sleeved with a sealing ring, and when the rigid ring body is covered with the rigid cover plate, the rigid embedded frame body is inserted into the rigid ring body, and the sealing ring is attached to the upper surface of the rigid ring body; the rigid ring body, the rigid cover plate and the rigid embedded frame body are all made of a mixed material of TPU (Thermoplastic Polyurethanes) and carbon fibers; compared with a flexible heat preservation box adopted in the prior art, the heat preservation box is attractive in appearance, the rigid cover plate can be opened and closed with one hand, and use is convenient; and the structure is adopted to replace a full-airtight zipper, so that the production cost of the heat preservation box is reduced, and the market competitiveness is favorably improved.

Description

Technical Field

[0001] This utility model relates to the field of insulated boxes, specifically to an insulated box that uses a combination of soft and hard materials and does not require a fully airtight zipper. Background Technology

[0002] Currently, insulated boxes are typically used to carry items requiring preservation or refrigeration. Existing insulated boxes for carrying general items requiring preservation usually consist of a flexible body and a flexible lid, sealed with a fully airtight zipper at the joint. An insulating material is placed on the inner wall of both the flexible body and lid. This structure prevents heat exchange between the inside and outside of the insulated box, which is beneficial for protecting refrigerated items for a short time. However, because both the body and lid are made of flexible materials with poor plasticity, the overall appearance of the insulated box is not aesthetically pleasing. In particular, opening and closing the lid often requires two hands – one hand to pull the zipper, and the other hand to support the flexible body – making it inconvenient to use. Furthermore, the fully airtight zipper is expensive, often accounting for one-third to one-half of the total cost of the insulated box, thus increasing production costs. Utility Model Content

[0003] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide an insulated box that is aesthetically pleasing, easy to open and close, and low in cost.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: an insulated box, comprising a flexible box body, a rigid ring body disposed at its open end and fixedly connected thereto, a rigid cover plate disposed on the rigid ring body and with its rear edge hinged to its rear edge, a rigid inner frame body integrally formed therewith on the inner surface of the rigid cover plate, a sealing ring body being provided on the outer sleeve of the rigid inner frame body, and when the rigid cover plate is closed on the rigid ring body, the rigid inner frame body is inserted into the rigid ring body and the sealing ring body is in contact with the upper surface of the rigid ring body; the rigid ring body, the rigid cover plate and the rigid inner frame body are all made of a mixture of TPU and carbon fiber.

[0005] Furthermore, a layer of TPU composite fabric is laid on both the outer and inner walls of the flexible box, and the composite fabric is fixed to the outer and inner walls of the flexible box respectively by a seamless high-frequency welding process.

[0006] It also includes two locking assemblies for fastening the rigid cover plate and the rigid ring together so that the sealing ring is in close contact with the upper surface of the rigid ring; each locking assembly includes a mounting base provided on the front surface of the rigid cover plate, a locking buckle hinged to the mounting base at its upper end, a longitudinal slot provided in the locking buckle, and a fastener provided on the front surface of the flexible housing and located directly below the mounting base when it is closed with the rigid cover plate.

[0007] A square strip-shaped notch is provided at the lower edge of the front surface of the rigid cover plate, and a lower square strip-shaped notch with the same shape is provided at the corresponding position of the upper edge of the front surface of the rigid ring.

[0008] It further includes two side locking assemblies. The side locking assembly includes a fastening ring body with an upper frame hinged to the rigid cover plate on the side surface of the rigid cover plate, and a fastening plate with a side surface of the rigid ring body and located directly below the fastening ring body. The upper edge of the fastening plate is hinged to the rigid ring body. When the rigid cover plate is closed, the fastening ring body rotates downward and is fitted outside the fastening plate, and the fastening plate rotates downward and fits against the surface of the flexible box.

[0009] The insulated box of this utility model is made of flexible material. A rigid ring and a rigid cover plate are located at the opening of the box. When the rigid cover plate is closed, the rigid inner frame is inserted into the rigid ring, and the sealing ring is in contact with the upper surface of the rigid ring. At this time, when the locking buckle and fastener of the locking assembly are fastened, the sealing ring is located between the joint surfaces of the rigid ring and the rigid cover plate and is compressed, thereby sealing the joint between the two and preventing heat exchange between the inside of the box and the outside, thus achieving a sealing effect. Compared with the flexible insulated boxes used in the prior art, the insulated box of this utility model has an aesthetically pleasing shape, and the rigid cover plate can be opened and closed with one hand, making it convenient to use. Moreover, the use of the above structure instead of a fully airtight zipper reduces the production cost of the insulated box and helps to improve market competitiveness. Attached Figure Description

[0010] Figure 1 This is a front view of an embodiment of the present utility model;

[0011] Figure 2 This is a left view of an embodiment of the present utility model;

[0012] Figure 3 This is a schematic diagram of the opening of the lid according to an embodiment of the present utility model.

[0013] Reference numerals: Flexible box-1, Rigid ring-2, Lower square strip notch-201, Rigid cover plate-3, Square strip notch-301, Rigid inner frame-4, Sealing ring-5, Mounting base-6, Locking buckle-7, Longitudinal strip hole-701, Fastener-8, Fastening ring-9, Fastening plate-10. Detailed Implementation

[0014] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0015] like Figure 3As shown, this utility model embodiment provides an insulated box, including a flexible box body 1, a rigid ring body 2 disposed at its open end and fixedly connected to it, and a rigid cover plate 3 disposed on the rigid ring body and hinged to its rear edge, that is, the rear edge of the rigid ring body and the rear edge of the rigid cover plate 3 are hinged by a hinge, such as a common hinge; a rigid inner frame 4 integrally formed therewith is provided on the inner surface of the rigid cover plate 3, and a sealing ring 5 is provided on the outer sleeve of the rigid inner frame. When the rigid cover plate 3 is closed on the rigid ring body 2, the rigid inner frame is inserted into the rigid ring body 2 and the sealing ring is in contact with the upper surface of the rigid ring body 2; the rigid ring body 2, the rigid cover plate 3 and the rigid inner frame 4 are all made of a mixture of TPU and carbon fiber. Here, the so-called flexible box refers to the fact that it is made of flexible material. Like existing flexible boxes, it can remain upright when placed on the ground, but it is easy to deform when touched. Rigid means that it will not deform when touched. The TPU and carbon fiber composite material is a commercially available material and is existing technology. The rigid ring 2 is made of this material so that the rigid ring 2 can be connected to the flexible box 1 by seamless high-frequency welding process during processing.

[0016] like Figure 3 As shown, a layer of TPU composite fabric is laid on both the outer and inner walls of the flexible box 1. The composite fabric is fixed to the outer and inner walls of the flexible box 1 by a seamless high-frequency welding process. The layer of TPU composite fabric helps to achieve the effect of heat preservation.

[0017] like Figure 1 As shown, it also includes two locking assemblies for fastening the rigid cover plate 3 and the rigid ring body 2 together so that the sealing ring is in close contact with the upper surface of the rigid ring body; each locking assembly includes a mounting base 6 provided on the front surface of the rigid cover plate 3, a locking buckle 7 with its upper end hinged to the mounting base, a longitudinal slot 701 provided in the locking buckle, and a fastener 8 provided on the front surface of the flexible housing 1 and located directly below the mounting base when it is closed with the rigid cover plate 3.

[0018] like Figure 1 , Figure 3 As shown, in the closed state, to facilitate opening the rigid cover plate 3, a square strip-shaped notch 301 is provided at the lower edge of the front surface of the rigid cover plate 3, and a lower square strip-shaped notch 201 with the same shape is provided at the corresponding position of the upper edge of the front surface of the rigid ring body 2. With this structure, when closed, the square strip-shaped notch 301 and the lower square strip-shaped notch 201 combine to form a square strip-shaped blind hole. The presence of this strip-shaped blind hole makes it easy to insert a finger into it and forcefully open the rigid cover plate 3.

[0019] like Figure 2As shown, in order to achieve a better sealing effect, in addition to setting a locking assembly on the front surface of the insulated box, a side locking assembly is also set on each of its left and right surfaces. The side locking assembly includes a fastening ring 9 with its upper frame hinged to the rigid cover 3 on the side surface of the rigid cover 3, and a fastening plate 10 with its upper edge hinged to the rigid cover 2 on the side surface of the rigid ring 2 and located directly below the fastening ring 9. When the rigid cover 3 is closed, the fastening ring 9 rotates downward and is fitted over the fastening plate 10, and the fastening plate 10 rotates downward and is in contact with the surface of the flexible box 1.

[0020] Compared with the flexible insulated boxes used in the prior art, the insulated box of this utility model has a beautiful shape and can be opened and closed with one hand, making it convenient to use. Moreover, the use of the above structure to replace the fully airtight zipper reduces the production cost of the insulated box and helps to improve market competitiveness.

[0021] In the above description, it should be noted that the terms "installation", "connection", "connection" and other related terms should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components; "set at" should be understood as "installed at" or "set at", including installation methods such as fixed installation and movable installation.

[0022] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Any equivalent structures made based on the description and drawings of this utility model, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. An insulated box, comprising a flexible box body (1), a rigid ring body (2) disposed at its open end and fixedly connected thereto, and a rigid cover plate (3) disposed on the rigid ring body and hinged to its rear edge, characterized in that, The rigid cover plate has an integrally formed rigid inner frame (4) on its inner surface. A sealing ring (5) is provided on the outer sleeve of the rigid inner frame. When the rigid cover plate (3) is covered on the rigid ring (2), the rigid inner frame is inserted into the rigid ring (2) and the sealing ring is in contact with the upper surface of the rigid ring (2). The rigid ring (2), the rigid cover plate (3) and the rigid inner frame (4) are all made of a mixture of TPU and carbon fiber.

2. The insulated box as described in claim 1, characterized in that, The outer and inner walls of the flexible box (1) are covered with a layer of TPU composite cloth, which is fixed to the outer and inner walls of the flexible box (1) by a seamless high-frequency welding process.

3. The insulated box as described in claim 2, characterized in that, It also includes two locking components for fastening the rigid cover plate (3) and the rigid ring body (2) together so that the sealing ring is in close contact with the upper surface of the rigid ring body; each locking component includes a mounting base (6) provided on the front surface of the rigid cover plate (3), a locking buckle (7) hinged to the mounting base at its upper end, a longitudinal slot (701) provided in the locking buckle, and a fastener (8) provided on the front surface of the flexible housing (1) and located directly below the mounting base when it is closed with the rigid cover plate (3).

4. The insulated box as described in claim 2, characterized in that, A square strip notch (301) is provided at the lower edge of the front surface of the rigid cover plate (3), and a lower square strip notch (201) with the same shape as the square strip notch is provided at the corresponding position of the upper edge of the front surface of the rigid ring body (2).

5. The insulated box as described in claim 3, characterized in that, It also includes two side locking components. The side locking components include a fastening ring (9) with the upper frame of the rigid cover plate (3) hinged to the rigid cover plate (3) and a fastening plate (10) with the rigid ring (2) on the side surface and located directly below the fastening ring (9). The upper edge of the fastening plate is hinged to the rigid ring (2). When the rigid cover plate (3) is closed, the fastening ring (9) rotates downward and is fitted outside the fastening plate (10). The fastening plate (10) rotates downward and is in contact with the surface of the flexible box (1).

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