冷藏箱体的顶连接结构及冷藏箱体

Abstract

本实用新型公开了一种冷藏箱体的顶连接结构及冷藏箱体，冷藏箱体的顶连接结构包括顶板、端墙、封板、铆钉；顶板包括内顶板、位于内顶板上方的外顶板；端墙的顶部设置有顶梁；封板的一端与外顶板的边缘卡接配合、另一端设置有位于封板内侧并且与封板间隔一定距离的第一连接部，顶梁的外侧与封板的另一端密闭配合，且顶梁的外侧设置有置于第一连接部内侧的第二连接部，铆钉由内向外穿过第二连接部和第一连接部以将第二连接部与第一连接部固定在一起；内顶板与顶梁的内侧之间连接有顶角封。本实用新型的铆钉不会外露于封板、顶板和端墙的外侧，避免铆钉脱落，且无需在封板的外表面设置铆钉孔，提升了冷藏箱体的保温性能和外形美观度。

Claims

1. A top connection structure of a refrigeration box, characterized by comprising: Includes top slab, end walls, sealing plates, and rivets; The top slab includes an inner top slab and an outer top slab located above the inner top slab; a top beam is provided at the top of the end wall; One end of the sealing plate is engaged with the edge of the outer top plate, and the other end is provided with a first connecting part located inside the sealing plate and spaced a certain distance from the sealing plate. The outer side of the top beam is tightly engaged with the other end of the sealing plate, and the outer side of the top beam is provided with a second connecting part located inside the first connecting part. Rivets pass through the second connecting part and the first connecting part from the inside to the outside to fix the second connecting part and the first connecting part together. A corner seal connects the inner top plate to the inner side of the top beam.

2. The top connection structure of a refrigeration box as claimed in claim 1, wherein The top beam includes a bottom wall, an outer wall that bends upward from the outer edge of the bottom wall, and a second connecting part that connects to the top of the outer wall.

3. The top connection structure of a refrigeration box as claimed in claim 2, wherein The other end of the sealing plate is provided with an inwardly extending upper support wall, and the first connecting part is a first connecting wall extending upward from the inner side of the upper support wall; the top of the outer wall of the top beam is provided with an inwardly bent lower support wall, and the second connecting part is a second connecting wall bending upward from the inner side of the lower support wall. The lower support wall is located below the upper support wall and is sealed to fit the upper support wall.

4. The top connection structure of a refrigeration box as claimed in claim 3, wherein The other end of the sealing plate is provided with a downward-extending baffle that covers the outside of the outer wall of the top beam.

5. The top connection structure of a refrigeration box as claimed in claim 1, wherein The edge of the outer top plate is provided with a slot, and one end of the sealing plate is provided with a flange, which is engaged in the slot.

6. The top connection structure of the refrigerated box as described in claim 5, characterized in that, The cross-sections of the slot and the flange are circular, so that the flange can rotate inside the slot after being inserted into the slot.

7. A top connection structure for a refrigeration box as claimed in claim 6, characterized in that A connecting plate is fixed above the edge of the outer top plate, and a slot is set on the connecting plate. One end of the sealing plate is provided with a support plate located inside the flange, and the support plate is pressed against the inner side of the outer top plate.

8. The top connection structure of a refrigeration box as claimed in claim 1, wherein The end wall is provided with an installation groove located below the top beam, and a refrigeration unit is embedded in the installation groove. At least part of the other end of the sealing plate is located inside the refrigeration unit.

9. The top connection structure of a refrigeration box as claimed in claim 8, wherein A sealing strip is fixedly connected to the lower surface of the top beam, which is in a tight fit with the top surface of the refrigeration unit. The inner side of the sealing strip extends upward to form an extension section. A support block is fixedly connected to the top beam. An upward-opening slot is formed between the extension section and the support block. The edge of the inner top plate is inserted into the upper end of the top corner seal, and the lower end of the top corner seal is inserted into the slot.

10. A refrigeration cabinet characterised in that, Includes the top connection structure of the refrigerated container as described in any one of claims 1-9.

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