A top corner seal and refrigerated container

Abstract

The utility model discloses a kind of top corner seal and refrigerated container, and top corner seal main body includes top corner seal body and threading part, top corner seal body extends and is arranged along container top corner, threading part is formed on top corner seal body, threading part is set out to the side of the heat preservation layer of container and protrudes;Formed with containing cavity in threading part, opening part is formed in the side of the heat preservation layer of container away from threading part, and opening part is communicated with containing cavity;Cable can enter to containing cavity from opening part;Sealing part is installed at opening part, and sealing part is used for the closure at opening part.The utility model aims at providing a kind of top corner seal and refrigerated container, cable can be realized quick replacement or overhaul, simultaneously, without occupying the space in refrigerated container.

Description

Technical Field

[0001] This utility model belongs to the field of refrigerated container technology, specifically, it relates to a top corner seal and a refrigerated container. Background Technology

[0002] With the continuous development of the cold chain logistics industry, refrigerated containers, as the main carrier of cold chain logistics, are constantly being enriched and improved in their functions. Remote monitoring systems, internal lighting systems, alarm systems, data transmission systems, and other technologies are gradually being applied to refrigerated containers.

[0003] In existing technologies, such as Figure 1 As shown, cables can be threaded into conduits pre-embedded in the foam. This method of installation is cumbersome, requires a lot of labor, and is inconvenient for later maintenance and repair. It also easily leads to water ingress into the insulation layer, affecting the container's insulation performance and shortening its service life. Figure 2 As shown, the cable can also be threaded into the top corner of the sealed cavity. This method of threading the cable is more cumbersome and takes up some space inside the box.

[0004] Therefore, developing a top corner seal and refrigerated container that can enable rapid replacement or repair of cables without occupying space inside the refrigerated container is a technical problem that urgently needs to be solved. Utility Model Content

[0005] The purpose of this utility model is to provide a top corner seal and refrigerated container that enables the rapid replacement or maintenance of cables without occupying space inside the refrigerated container.

[0006] To achieve the above-mentioned objectives, the present invention employs the following technical solution:

[0007] In one aspect, this utility model proposes a corner seal, comprising:

[0008] The corner seal body includes a corner seal body and a wire threading part. The corner seal body extends along the corner of the container, and the wire threading part is formed on the corner seal body, protruding towards the container insulation layer. A receiving cavity is formed inside the wire threading part, and an opening is formed on the side of the wire threading part away from the container insulation layer, which communicates with the receiving cavity. A cable can enter the receiving cavity through the opening.

[0009] A sealing part is installed at the opening, and the sealing part is used to close the opening.

[0010] In some embodiments of this application, the top corner seal body includes a first extension and a second extension, the first extension extending along the top of the container; the second extension extending along the side of the container; and the side end of the first extension is connected to the side end of the second extension.

[0011] The threading portion is formed on the first extension portion or the second extension portion.

[0012] In some embodiments of this application, protrusions are formed at both ends of the opening, and the two protrusions are disposed opposite to each other;

[0013] An insertion portion is formed on the sealing portion;

[0014] With the sealing part installed in the opening, the insertion part abuts against the protrusion.

[0015] In some embodiments of this application, grooves are formed at both ends of the opening, and the grooves are arranged adjacent to the protrusion to form a stepped structure;

[0016] The sealing part has two opposing protruding contoured parts, and the insertion part and the protruding contoured parts form a stepped structure;

[0017] With the sealing part installed in the opening, the insertion part abuts against the protrusion, and the protruding contoured part abuts against the groove.

[0018] In some embodiments of this application, the sealing portion has two opposing abutment portions, and the insertion portion and the abutment portions form a stepped structure;

[0019] With the sealing part installed in the opening, the insertion part abuts against the protrusion, and the abutting part abuts against the top corner sealing body of the edge of the opening.

[0020] In some embodiments of this application, a plurality of protrusion structures are formed on the surface of the insertion portion that contacts the opening portion;

[0021] And / or, the first extension has a first wave-like portion formed on the side near the container insulation layer;

[0022] And / or, the second extension has a second wave on the side near the container insulation layer;

[0023] And / or, the threaded portion has a third wave on the side near the container insulation layer.

[0024] In some embodiments of this application, the sealing portion further includes a sealant;

[0025] A first adhesive groove is formed on the protruding contoured portion, and the sealant is applied in the first adhesive groove and clamped between the protruding contoured portion and the protrusion.

[0026] Alternatively, a second sealant groove is formed on the abutment portion, the sealant is applied in the second sealant groove, and the sealant is clamped between the abutment portion and the protrusion.

[0027] In some embodiments of this application, a first stop portion is formed at both ends of the opening;

[0028] The sealing portion includes an end plate and two opposing second stop portions, each of which has a guide portion formed thereon, and the two second stop portions are spaced apart and connected to the same side of the end plate.

[0029] During the process of the first stop portion being inserted into the receiving cavity through the second stop portion, the guide portion moves along the first stop portion to the second stop portion and enters the receiving cavity, and the first stop portion is used to stop the second stop portion.

[0030] In some embodiments of this application, the opening further includes a stop groove, which is disposed adjacent to the first stop portion; the end plate abuts against the stop groove.

[0031] Alternatively, the end plate abuts against the top corner sealing body at the edge of the opening.

[0032] On the other hand, a refrigerated container is also involved, including the top corner seal described in any of the above.

[0033] Compared with the prior art, the advantages and positive effects of this utility model are:

[0034] By integrating a threading part on the top corner seal body, with the threading part formed on the side of the top corner seal body close to the container insulation layer, the threading part does not occupy the space inside the container;

[0035] By creating an opening in the cable threading section, the cable can be easily installed into the receiving cavity formed within the cable threading section. A sealing part is provided to close the opening. With the cable installed in the receiving cavity, the sealing part is installed at the opening, thus allowing the cable to be contained within the enclosed space of the receiving cavity. When the cable needs to be replaced or repaired, the sealing part is removed from the opening, allowing the cable to be removed from the opening. This enables quick replacement or repair of the cable.

[0036] Other features and advantages of this utility model will become clearer after reading the detailed embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0037] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0038] Figure 1 This is a schematic diagram of the usage structure of one embodiment of a corner seal proposed in the prior art;

[0039] Figure 2 This is a second schematic diagram of the usage structure of an embodiment of a corner seal proposed in the prior art;

[0040] Figure 3 This is a schematic diagram of the top corner seal of a refrigerated container proposed in this utility model;

[0041] Figure 4 This is one of the front views of an embodiment of the corner seal proposed in this utility model;

[0042] Figure 5 This is a second front view of one embodiment of the corner seal proposed in this utility model;

[0043] Figure 6 This is the third front view of one embodiment of the corner seal proposed in this utility model;

[0044] Figure 7 This is the fourth front view of one embodiment of the corner seal proposed in this utility model;

[0045] Figure 8 This is the fifth front view of one embodiment of the corner seal proposed in this utility model;

[0046] Figure 9 This is the sixth front view of one embodiment of the corner seal proposed in this utility model;

[0047] Figure 10 This is the seventh front view of one embodiment of the corner seal proposed in this utility model;

[0048] Figure 11 This is the eighth front view of an embodiment of the corner seal proposed in this utility model;

[0049] Figure 12 yes Figure 5 Exploded view;

[0050] Figure 13 yes Figure 12A partial schematic diagram at point C in the middle;

[0051] Figure 14 yes Figure 4 Exploded view;

[0052] Figure 15 yes Figure 14 A partial schematic diagram at point B in the middle;

[0053] Figure 16 yes Figure 14 A partial schematic diagram at point A in the middle;

[0054] Figure 17 yes Figure 6 Exploded view;

[0055] In the picture,

[0056] 110. Top corner seals the main body;

[0057] 111. First extension;

[0058] 1111, First wave section;

[0059] 112. Second extension;

[0060] 1121. Second wave section;

[0061] 120. Threading section;

[0062] 121. Receiving cavity;

[0063] 122. Opening;

[0064] 1221. Protrusion;

[0065] 1222. Groove portion;

[0066] 1223. First stop section;

[0067] 1224. Stop groove;

[0068] 210. Insertion section;

[0069] 211. Protruding structure;

[0070] 220. Reliance Department;

[0071] 221. Second glue application tank;

[0072] 230. Sealant;

[0073] 240. Protruding contoured part;

[0074] 241. First glue application tank;

[0075] 250. End plate;

[0076] 260. Second stop section;

[0077] 261. Guiding section;

[0078] 310. Top corner of the container;

[0079] 320. Top of the container;

[0080] 330. Container side end;

[0081] 340. Container insulation layer;

[0082] 350. Cables. Detailed Implementation

[0083] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0084] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0085] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0086] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, direct connections, or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0087] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0088] The following disclosure provides many different embodiments or examples for implementing various structures of the present invention. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or reference letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0089] In some embodiments of this application, such as Figures 3 to 17 As shown, this relates to a corner seal.

[0090] In other embodiments of this application, a refrigerated container is also disclosed, which includes the following top corner seal.

[0091] The corner seal body includes a corner seal body and a threading part. The corner seal body extends along the corner of the container, and the threading part is formed on the corner seal body, protruding towards the container insulation layer. A receiving cavity is formed inside the threading part, and an opening is formed on the side of the threading part away from the container insulation layer, which communicates with the receiving cavity. A cable can enter the receiving cavity through the opening. A sealing part is installed at the opening for sealing the opening.

[0092] The top corner seal body includes a first extension and a second extension. The first extension extends along the top of the container, and the second extension extends along the side of the container. The end of the first extension is connected to the end of the second extension. The threaded portion is formed on the first extension or the second extension.

[0093] Both ends of the opening are formed with protrusions, and the two protrusions are arranged opposite each other; an insertion part is formed on the sealing part, and the insertion part is arranged in the same shape as the protrusions; when the sealing part is installed in the opening, the insertion part and the protrusions are abutted against each other.

[0094] Both ends of the opening are formed with grooves, and the grooves are arranged adjacent to the protrusions to form a stepped structure; the sealing part has two opposing protruding contoured parts, and the insertion part and the protruding contoured parts form a stepped structure; when the sealing part is installed in the opening, the insertion part abuts against the protrusions, and the protruding contoured parts abut against the grooves.

[0095] The sealing part has two opposing abutment parts, and the insertion part and the abutment parts form a stepped structure; when the sealing part is installed in the opening, the insertion part abuts against the protrusion, and the abutment part abuts against the top corner sealing body of the edge of the opening.

[0096] The insertion portion has a plurality of raised structures on the surface in contact with the opening; and / or, the first extension portion has a first wave portion on the side near the container insulation layer; and / or, the second extension portion has a second wave portion on the side near the container insulation layer; and / or, the threading portion has a third wave portion on the side near the container insulation layer.

[0097] The sealing part further includes sealant; a first sealant groove is formed on the protruding contoured part, the sealant is applied in the first sealant groove, and the sealant is clamped between the protruding contoured part and the protrusion; or, a second sealant groove is formed on the abutting part, the sealant is applied in the second sealant groove, and the sealant is clamped between the second protruding contoured part and the protrusion.

[0098] A first stop portion is formed at both ends of the opening; the sealing portion includes an end plate and two opposing second stop portions, a guide portion is formed on the second stop portion, and the two second stop portions are connected at intervals to the same side of the end plate; during the process of the first stop portion being inserted into the receiving cavity through the second stop portion, the guide portion moves along the first stop portion to the second stop portion and enters the receiving cavity, and the first stop portion is used to stop the second stop portion.

[0099] The opening also includes a stop groove, which is disposed adjacent to the first stop portion; the end plate abuts against the stop groove; or, the end plate abuts against the top corner sealing body at the edge of the opening.

[0100] In some embodiments of this application, such as Figures 3 to 17 As shown, the corner seal includes a corner seal body and a sealing part.

[0101] The corner seal body extends along the top corner of the container. For example... Figure 3As shown, the top corner seal body extends along the top corner 310 of the container and the top 320 and side 330 of the container adjacent to the top corner 310.

[0102] The corner seal body includes a corner seal body 110 and a threading part 120. The corner seal body 110 extends along the top corner 310, the top of the container 320, and the side end 330 of the container.

[0103] The threading part 120 is formed on the top corner sealing body 110.

[0104] like Figure 3 As shown, the top corner seal body 110 includes a first extension 111 and a second extension 112. The first extension 111 extends along the top 320 of the container. The second extension 112 extends along the side 330 of the container. The side end of the first extension 111 is connected to the side end of the second extension 112.

[0105] In some embodiments of this application, such as Figure 8 , Figure 9 , Figure 10 , Figure 11 As shown, the threading portion 120 extends onto the first extension portion 111.

[0106] In other embodiments of this application, such as Figure 4 , Figure 5 , Figure 6 , Figure 7 As shown, the threading portion 120 extends onto the second extension portion 112.

[0107] In some embodiments of this application, the threading portion 120 protrudes towards the container insulation layer 340. The threading portion 120 is embedded within the container insulation layer 340, thus avoiding the threading portion 120 occupying space within the container.

[0108] A receiving cavity 121 is formed within the cable threading section 120. The receiving cavity 121 is used to receive the cable 350. The cable 350 includes electrical wires, communication lines, and other cables.

[0109] An opening 122 is formed on the side of the threaded section 120 away from the container insulation layer 340.

[0110] The opening 122 is connected to the receiving cavity 121.

[0111] Cable 350 enters the receiving cavity 121 through opening 122.

[0112] When installing cable 350, first install the wires and communication lines into the receiving cavity 121 through the opening 122, and then install the sealing part into the opening 122. When it is necessary to inspect or replace cable 350, the sealing part can be removed from the opening 122, and cable 350 can be removed through the opening 122.

[0113] A sealing part is installed at the opening 122 to close the opening 122, thereby forming a closed receiving cavity 121.

[0114] To achieve a seal at the opening 122, the cable 350 is sealed within the receiving cavity 121. Protrusions 1221 are formed at both ends of the opening 122, and the two protrusions 1221 are positioned opposite each other. The two protrusions 1221 are sealed together with the sealing portion.

[0115] like Figure 4 , Figure 5 , Figure 8 , Figure 9 , Figure 14 As shown, an insertion portion 210 is formed on the sealing portion, and the insertion portion 210 is configured to conform to the protrusion 1221.

[0116] With the sealing part installed in the opening 122, the insertion part 210 abuts against the protrusion 1221.

[0117] By tightly abutting the insertion part 210 against the protrusion 1221, the sealing part and the threading part 120 are connected, preventing the sealing part from falling out of the threading part 120, thereby achieving the closure of the receiving cavity 121.

[0118] Specifically, in order to achieve a tight abutment between the insertion part 210 and the protrusion 1221, the insertion part 210 and the protrusion 1221 are designed to conform to each other.

[0119] like Figure 13 As shown, to prevent the insertion portion 210 from dislodging from the two protrusions 1221, a plurality of protrusions 211 are formed on the surface of the insertion portion 210 facing the opening 122. Because a plurality of protrusions 211 are formed on the insertion portion 210, the friction between the insertion portion 210 and the two protrusions 1221 is increased, thereby ensuring a tight fit between the insertion portion 210 and the two protrusions 1221. Furthermore, this increases the sealing performance between the sealing portion and the opening 122.

[0120] In some embodiments of this application, such as Figure 5 , Figure 9 , Figure 12As shown, two opposing abutment portions 220 are formed on the sealing portion. The abutment portions 220 are located on the side end of the sealing portion closer to the inside of the container. When the sealing portion is installed in the opening 122, the insertion portion 210 abuts against the two protrusions 1221, and the abutment portions 220 abut against the top corner sealing body of the edge of the opening 122.

[0121] like Figure 5 , Figure 9 , Figure 12 As shown, in order to achieve a seal between the abutment portion 220 and the corner seal body at the edge of the opening portion 122, a second glue groove 221 is formed on the abutment portion 220. The sealing portion also includes sealant 230, which is applied in the second glue groove 221 and clamped between the abutment portion and the protrusion 1221.

[0122] Specifically, such as Figure 12 As shown, the second glue groove 221 is formed on the surface of the abutment 220 that contacts the top corner seal body.

[0123] In some embodiments of this application, the sealing part is a cylindrical structure. An insertion part 210 is formed at one end of the cylindrical structure. An abutment part 220 is formed at the other end of the cylindrical structure. With the sealing part installed in the opening 122, the insertion part 210 is inserted between two opposing protrusions 1221, abutting against the two protrusions 1221, and the abutment part 220 abuts against the apex corner of the edge of the opening 122.

[0124] In other embodiments of this application, such as Figure 4 , Figure 8 , Figure 14 As shown, grooves 1222 are formed at both ends of the opening 122.

[0125] like Figure 4 , Figure 8 , Figure 14 As shown, in order to form a sealed connection with the groove portion 1222, two opposing protruding contour portions 240 are formed on the sealing portion. When the insertion portion 210 abuts against the two protruding portions 1221, the two protruding contour portions 240 abut against the groove portion 1222.

[0126] Two protruding contoured portions 240 are formed on the side of the sealing portion away from the inside of the container.

[0127] The protruding contoured part 240 and the grooved part 1222 are designed to better seal the threaded part 120 by the sealing part abutting against the opening part 122.

[0128] The protruding contour part 240 can be in the form of a boss.

[0129] In some embodiments of this application, the protrusion 1221 and the recess 1222 are connected to form a stepped structure. The insertion portion 210 and the protruding contour portion 240 form a stepped structure, thereby allowing the sealing portion to be embedded into the opening 122. In this state, the protruding contour portion 240 is flush with the inner surface of the container.

[0130] In some embodiments of this application, such as Figure 4 , Figure 8 , Figure 14 As shown, a first adhesive groove 241 is formed on the protruding contoured portion 240, and sealant 230 is applied in the first adhesive groove 241. When the sealing portion is installed at the opening portion 122, and the protruding contoured portion 240 abuts against the groove portion 1222, the sealant 230 is clamped between the protruding contoured portion 240 and the groove portion 1222.

[0131] In other embodiments of this application, such as Figure 6 , Figure 7 , Figure 10 , Figure 11 , Figure 17 As shown, first stop portions 1223 are formed at both ends of the opening 122. Correspondingly, the sealing portion includes an end plate 250 and two opposing second stop portions 260. The end plate 250 is located on the side of the sealing portion closer to the inside of the container, and the two second stop portions 260 are located on the side of the sealing portion closer to the container insulation layer 340.

[0132] Specifically, two second stop portions 260 extend along the end plate 250. The two second stop portions 260 are arranged in parallel.

[0133] During the process of the sealing part being inserted into the threading part 120 through the opening 122, the second stop part 260 is elastic and undergoes elastic deformation, causing the two opposing second stop parts 260 to move closer to each other, thereby allowing both second stop parts 260 to enter the threading part 120 through the opening 122. After the two second stop parts 260 have entered the threading part 120, they return to their elastic deformation.

[0134] Furthermore, due to the stops provided by the first stop portion 1223 and the second stop portion 260, the sealing portion can be prevented from coming out of the threading portion 120.

[0135] In some embodiments of this application, in order to enable the two second stops 260 to smoothly enter between the two first stops 1223, a guide portion 261 is formed on the second stops 260. The guide portion 261 facilitates the entry of the two second stops 260 into the two first stops 1223.

[0136] Specifically, the guide portion 261 is an inclined surface formed on the second stop portion 260.

[0137] During the process of the two second stops 260 entering the threading part 120 through the two first stops 1223, the guide part 261 moves along the first stop 1223 at the point where it connects with the first stop 1223, until the second stops 260 enter the receiving cavity 121 in the threading part 120 after passing the first stop 1223.

[0138] In some other embodiments of this application, the opening 122 further includes a stop groove 1224, which is disposed adjacent to the first stop portion 1223, and the end plate 250 is disposed abutting against the stop groove 1224.

[0139] In some other embodiments of this application, the end plate 250 abuts against the top corner sealing body of the edge of the opening 122.

[0140] In some embodiments of this application, such as Figure 16 As shown, a first wave portion 1111 is formed along the side of the first extension 111 near the container insulation layer 340.

[0141] In some embodiments of this application, such as Figure 15 As shown, a second wave portion 1121 is formed along the side of the second extension 112 near the container insulation layer 340.

[0142] The first wave portion 1111 is used to increase the tightness of the connection between the first extension portion 111 and the container insulation layer 340.

[0143] The second wave section 1121 is used to increase the tightness of the connection between the second extension section 112 and the container insulation layer 340.

[0144] The threaded section 120 has a third wave on the side near the container insulation layer.

[0145] In the description of the above embodiments, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0146] Whenever possible, the various aspects and features described and shown in the specification can be applied individually, and these individual aspects can serve as the subject of a divisional application.

[0147] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A corner seal, characterized in that, include: The corner seal body includes a corner seal body and a wire threading part. The corner seal body extends along the corner of the container, and the wire threading part is formed on the corner seal body, protruding towards the container insulation layer. A receiving cavity is formed inside the wire threading part, and an opening is formed on the side of the wire threading part away from the container insulation layer, which communicates with the receiving cavity. A cable can enter the receiving cavity through the opening. A sealing portion is installed at the opening and is used to close the opening; the sealing portion also includes a sealant; an insertion portion is formed on the sealing portion; two opposing protruding contoured portions are formed on the sealing portion, and the insertion portion and the protruding contoured portions form a stepped structure; two opposing abutment portions are formed on the sealing portion, and the insertion portion and the abutment portions form a stepped structure. Both ends of the opening are formed with protrusions, and the two protrusions are arranged opposite to each other; A first adhesive groove is formed on the protruding contoured portion, and the sealant is applied in the first adhesive groove and clamped between the protruding contoured portion and the protrusion. Alternatively, a second sealant groove is formed on the abutment portion, the sealant is applied in the second sealant groove, and the sealant is clamped between the abutment portion and the protrusion.

2. The corner seal according to claim 1, characterized in that, The top corner seal body includes a first extension and a second extension. The first extension extends along the top of the container; the second extension extends along the side of the container; and the side end of the first extension is connected to the side end of the second extension. The threading portion is formed on the first extension portion or the second extension portion.

3. The corner seal according to claim 2, characterized in that, With the sealing part installed in the opening, the insertion part abuts against the protrusion.

4. The corner seal according to claim 3, characterized in that, Both ends of the opening are formed with grooves, and the grooves are arranged adjacent to the protrusion to form a stepped structure. With the sealing part installed in the opening, the insertion part abuts against the protrusion, and the protruding contoured part abuts against the groove.

5. The corner seal according to claim 4, characterized in that, With the sealing part installed in the opening, the insertion part abuts against the protrusion, and the abutting part abuts against the top corner sealing body of the edge of the opening.

6. The corner seal according to claim 5, characterized in that, Multiple protrusions are formed on the surface of the insertion part that contacts the opening; And / or, the first extension has a first wave-like portion formed on the side near the container insulation layer; And / or, the second extension has a second wave on the side near the container insulation layer; And / or, the threaded portion has a third wave on the side near the container insulation layer.

7. The corner seal according to claim 1, characterized in that, A first stop portion is formed at both ends of the opening; The sealing portion includes an end plate and two opposing second stop portions, each of which has a guide portion formed thereon, and the two second stop portions are spaced apart and connected to the same side of the end plate. During the process of the first stop portion being inserted into the receiving cavity through the second stop portion, the guide portion moves along the first stop portion to the second stop portion and enters the receiving cavity, and the first stop portion is used to stop the second stop portion.

8. The corner seal according to claim 7, characterized in that, The opening also includes a stop groove, which is disposed adjacent to the first stop portion; the end plate abuts against the stop groove. Alternatively, the end plate abuts against the top corner sealing body at the edge of the opening.

9. A refrigerated container, characterized in that, Includes the corner seal as described in any one of claims 1 to 8.

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