Height difference type heat preservation box sealing structure

Abstract

A height difference type heat preservation box sealing structure comprises a box body and a cover body, the top end of the box body is provided with a groove part, the groove part sequentially comprises a first groove layer, a second groove layer and a third groove layer, the second groove layer is sunken downwards, and the first groove layer and the third groove layer protrude upwards; the edge of the bottom end of the cover body is an insertion part, the insertion part sequentially comprises a first insertion layer, a second insertion layer and a third insertion layer, the second insertion layer protrudes downwards, and the first insertion layer and the third insertion layer are sunken upwards. When the heat insulation box is used, articles needing heat insulation and heat preservation are placed in the box body, then the cover body is buckled on the box body, the second inserting layer is buckled into the second groove layer, meanwhile, the first inserting layer and the first groove layer are correspondingly buckled to form a first layer of seal, and the third inserting layer and the third groove layer are correspondingly buckled to form a second layer of seal. The second layer of sealing is higher than the first layer of sealing and is not on the same horizontal line, the airtightness and the heat preservation effect are improved, and finally the cover body is opened to take articles in the box body.

Description

Technical Field

[0001] The utility model belongs to the field of cold chain refrigeration equipment, in particular to a height difference type thermal insulation box sealing structure. Background Art

[0002] The sealing structure of the thermal insulation box is designed to ensure the stability of the temperature inside the box and prevent the entry of external air and moisture, thereby maintaining a suitable environment for the items inside the box (such as medicines, food or vaccines). However, there are some difficult-to-solve problems in the sealing process of ordinary thermal insulation boxes: the sealing structure of traditional thermal insulation boxes requires the use of auxiliary materials to achieve a good sealing effect, but the structure is complex and the cost is high. It is not suitable for disposable products and has poor convenience of use; traditional thermal insulation boxes are not convenient enough during disassembly and transportation, especially when the box lid needs to be opened and closed frequently, which can easily lead to heat loss and reduced sealing. Utility Model Content

[0003] In view of the above, the present invention provides a height difference type thermal insulation box sealing structure to solve the problems raised in the above background technology.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a high-low difference thermal insulation box sealing structure, including a box body and a cover body, the cover body is buckled on the top of the box body, the box body and the cover body are buckled to form a cube structure as a whole, the top of the box body is a groove part for the cover body to buckle, the groove part is a "U"-shaped annular groove structure as a whole, the groove part is a first groove layer, a second groove layer, and a third groove layer from the outer layer to the inner layer, the second groove layer is concave downward, the first groove layer and the third groove layer are convex upward, and the height of the first groove layer is lower than the height of the third groove layer; The bottom edge of the cover body is an inserting part that snaps into the groove part. The inserting part is composed of the first inserting layer, the second inserting layer, and the third inserting layer from the outer layer to the inner layer. The second inserting layer protrudes downward and matches the second groove layer. The first inserting layer and the third inserting layer are recessed upward. The height of the first inserting layer is lower than the height of the third inserting layer. The first inserting layer matches the first groove layer, and the third inserting layer matches the third groove layer. When in use, the inserting part snaps into the groove part, and the interference fit generates an extrusion force between the cover body and the box body to form a double sealing structure.

[0005] Furthermore, a sealing block is provided at the bottom end of the cover body, and a protrusion is provided at the bottom end of the sealing block, and the sealing block is buckled with the inside of the box body to further seal.

[0006] Furthermore, a notch is provided at the upper end of the inner side of the box body, which matches the protrusion. The notch and the protrusion engage with each other to form a height difference again, thereby further sealing the box body.

[0007] Furthermore, the cross-sectional size of the sealing block is consistent with the cross-sectional size of the inner wall of the box, so that the sealing block fits exactly into the interior of the box.

[0008] Furthermore, a card slot is provided below the first groove layer, and an "L"-shaped support piece is fastened to the card slot, so that the cover can be pried up conveniently to take out items in the box using the support piece.

[0009] Furthermore, the box body and the cover body are made of EPS foam boards, which have strong thermal insulation capabilities and low cost.

[0010] The beneficial effects of the present invention are as follows: the box body and the cover body are sealed with a U-shaped ring groove, and an interference fit is used to generate an extrusion force between the box cover and the box body. Through structural design, a double sealing structure is formed to form good air tightness. The first groove layer and the third groove layer, the first interleaving layer and the third interleaving layer are not on the same horizontal line, which further improves the air tightness and heat preservation effect. In addition, the box body and the cover body improve the air tightness and heat preservation effect through the structure, which is more cost-effective for disposable products. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural diagram of the utility model.

[0012] Figure 2 It is a schematic diagram of the structure of the utility model when it is folded up.

[0013] Figure 3 It is a partial cutaway view of the present utility model.

[0014] exist Figure 1-Figure 3 1. Box body; 101. Groove portion; 102. First groove layer; 103. Second groove layer; 104. Third groove layer; 105. Notch; 106. Card slot; 107. Support sheet; 2. Cover body; 201. Insertion portion; 202. First insertion layer; 203. Second insertion layer; 204. Third insertion layer; 205. Sealing block; 206. Protrusion. DETAILED DESCRIPTION

[0015] The present invention will be further described below with reference to the accompanying drawings and some embodiments.

[0016] exist Figure 1-Figure 3The lid 2 is buckled on the top of the box body 1, and the box body 1 and the lid 2 are buckled into a cube structure as a whole. The cube structure makes it unnecessary to confirm the direction of the lid 2 when buckling, and the lid 2 can be buckled into the box body 1 in any direction. The top of the box body 1 is a groove portion 101 for the lid 2 to buckle, and the groove portion 101 is a "U"-shaped annular groove structure as a whole. The groove portion 101 is a first groove layer 102, a second groove layer 103, and a third groove layer 104 from the outer layer to the inner layer. The second groove layer 103 is concave downward, and the first groove layer 102 and the third groove layer 104 are convex upward. The height of the first groove layer 102 is lower than the height of the third groove layer 104; the bottom edge of the cover body 2 is an inserting portion 201 that is buckled into the groove portion 101. The inserting portion 201 is integrally formed after being buckled with the groove portion 101, and the inserting portion 201 is formed by the outer layer The inner layers are the first intercalation layer 202, the second intercalation layer 203, and the third intercalation layer 204. The second intercalation layer 203 protrudes downward and matches the second groove layer 103. The first intercalation layer 202 and the third intercalation layer 204 are recessed upward. The height of the first intercalation layer 202 is lower than the height of the third intercalation layer 204. The first intercalation layer 202 matches the first groove layer 102, and the third intercalation layer 204 matches the third groove layer 104. The first intercalation layer 202 and the first groove layer 102 are correspondingly buckled to form a first layer of sealing, and the third intercalation layer 204 and the third groove layer 104 are correspondingly buckled to form a second layer of sealing. The second layer of sealing is higher than the first layer of sealing, and the two are not on the same horizontal line, which improves the air tightness and thermal insulation effect. When in use, the intercalation part 201 is buckled into the groove part 101, and the cover body 2 and the box body 1 generate extrusion pressure through interference fit to form a double sealing structure.

[0017] In this embodiment, a sealing block 205 is provided at the bottom end of the cover body 2, and a protrusion 206 is provided at the bottom end of the sealing block 205. The sealing block 205 is buckled with the inside of the box body 1 to further seal, thereby further improving the airtightness and heat preservation effect of the box body 1.

[0018] In this embodiment, a notch 105 is provided at the upper inner end of the box body 1, which matches the protrusion 206. The notch 105 and the protrusion 206 are interlocked with each other to form a height difference again, thereby further sealing the box body 1 and improving the airtightness and thermal insulation effect of the box body 1.

[0019] In this embodiment, the cross-sectional size of the sealing block 205 is consistent with the cross-sectional size of the inner wall of the box body 1 , so that the sealing block 205 can be just snapped into the interior of the box body 1 .

[0020] In this embodiment, a card slot 106 is provided below the first groove layer 102, and an "L"-shaped support piece 107 is buckled on the card slot 106. When not in use, the support piece 107 is buckled on the card slot 106 so that the support piece 107 fits the box body 1. The support piece 107 is made of a hard material such as an iron sheet and can be easily inserted into the card slot 106 without affecting use or falling off. When the cover body 2 cannot be opened, the support piece 107 can be inserted into the card slot 106, and the cover body 2 can be pried up with the help of external force to take out the items in the box body 1.

[0021] In this embodiment, the box body 1 and the cover body 2 are made of EPS foam boards. EPS foam boards have strong thermal insulation capabilities and low costs, and are suitable for the material of disposable thermal insulation boxes.

[0022] In this embodiment, the control circuit of the present invention is a common circuit in the circuit field. The device of the present invention can be connected to an external power supply or a built-in battery through a power cord to provide power to the device. Technicians in the relevant technical field can implement it and will not be elaborated here.

[0023] When the present invention is implemented in a specific way: when in use, items that need to be insulated are placed in the box body 1, and then the cover body 2 is buckled on the box body 1, so that the second insertion layer 203 is buckled into the second groove layer 103, and at the same time, the first insertion layer 202 is buckled with the first groove layer 102 to form a first layer of seal, and the third insertion layer 204 is buckled with the third groove layer 104 to form a second layer of seal, and the second layer of seal is higher than the first layer of seal, and the two are not on the same horizontal line, thereby improving the airtightness and heat preservation effect. When the cover body 2 is buckled, the sealing block 205 on the cover body 2 is buckled with the box body 1, and the protrusion 206 is buckled with the notch 105 to form a height difference again, further improving the airtightness and heat preservation effect of the box body 1; when it is necessary to open the cover body 2, the support piece 107 can be inserted into the card slot 106, and then the support piece 107 is used to pry open the cover body 2 with external force, and finally take out the items in the box body 1.

[0024] It is worth noting that, in the description of this utility model, "plurality" means two or more, unless otherwise specifically defined. In this utility model, unless otherwise specified and defined, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, it can mean fixed connection, detachable connection, or integral connection; it can also be mechanical connection. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0025] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and is intended to encompass all variations within the meaning and scope of the claims. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

Claims

1. A height difference type thermal insulation box sealing structure, comprising a box body and a cover body, wherein the cover body is buckled on the top of the box body, and the box body and the cover body buckle together to form a cube structure, characterized in that: The top of the box body is a groove portion for the cover body to buckle, and the groove portion is a "U"-shaped annular groove structure. The groove portion is composed of a first groove layer, a second groove layer, and a third groove layer from the outer layer to the inner layer. The second groove layer is concave downward, and the first groove layer and the third groove layer are convex upward. The height of the first groove layer is lower than that of the third groove layer. The bottom edge of the cover body is an inserting portion that snaps into the groove portion. The inserting portion is composed of the first inserting layer, the second inserting layer, and the third inserting layer from the outer layer to the inner layer. The second inserting layer protrudes downward and matches the second groove layer. The first inserting layer and the third inserting layer are recessed upward. The height of the first inserting layer is lower than the height of the third inserting layer. The first inserting layer matches the first groove layer, and the third inserting layer matches the third groove layer. When in use, the inserting portion snaps into the groove portion, and the interference fit generates an extrusion force between the cover body and the box body to form a double sealing structure.

2. The height difference type thermal insulation box sealing structure according to claim 1, characterized in that: The bottom end of the cover body is provided with a sealing block, and the bottom end of the sealing block is provided with a convex block.

3. The height difference type thermal insulation box sealing structure according to claim 1, characterized in that: The upper end of the inner side of the box body is provided with a notch corresponding to the convex block.

4. The height difference type thermal insulation box sealing structure according to claim 2, characterized in that: The cross-sectional size of the sealing block is consistent with the cross-sectional size of the inner wall of the box.

5. The height difference type thermal insulation box sealing structure according to claim 1, characterized in that: A card slot is provided below the first groove layer, and an "L"-shaped support piece is buckled on the card slot.

6. The height difference type thermal insulation box sealing structure according to claim 1, characterized in that: The box body and the cover body are EPS foam boards.

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