Heat preservation bag

Abstract

The utility model provides a heat preservation bag which comprises a box body, an opening is formed in the upper end of the box body, a first plug-in part is arranged at the opening, a box cover assembly is installed at the opening in the upper end of the box body, a second plug-in part matched with the first plug-in part is arranged in the box cover assembly, and the first plug-in part and the second plug-in part are plugged in each other. The box cover assembly is installed at an opening of a box body. The box body and the box cover assembly are connected in a detachable plug-in mode (the first plug-in part and the second plug-in part), so that the box cover assembly can be assembled with box bodies of different sizes, heat preservation bags of various sizes can be assembled in a matched mode, the production flexibility is greatly improved through the design, and the production cost is reduced. Manufacturers are allowed to change the overall size of the whole heat preservation bag by adjusting the size of the box body of the heat preservation box without replacing the whole set of mold; and manufacturers can reduce the types and the number of molds, so that the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of luggage, in particular to a thermal insulation bag. Background Art

[0002] In the traditional design of thermal insulation boxes, the connection part between the box body and the box cover assembly is usually integrally manufactured, and then components such as pin shafts are relied on to hinge the flip cover of the box cover assembly with the connection part. This design method makes it impossible for thermal insulation boxes of different sizes to share the same set of box cover assemblies. Therefore, during the production process, whenever it is necessary to manufacture thermal insulation boxes of different sizes, different molds must be replaced. This greatly limits the production flexibility and makes it impossible to easily change the overall size of the entire thermal insulation box by adjusting and replacing the box body size. Content of the Utility Model

[0003] To solve the above problems, the purpose of the utility model is to provide a thermal insulation bag.

[0004] The utility model is implemented by the following method: a thermal insulation bag, including a box body, an opening is provided at the upper end of the box body, a first pair of insertion parts is provided at the opening, a box cover assembly is installed at the opening at the upper end of the box body, a second pair of insertion parts matching the first pair of insertion parts is provided in the box cover assembly, and the first pair of insertion parts and the second pair of insertion parts are inserted into each other for installing the box cover assembly at the opening of the box body.

[0005] Preferably, the first pair of insertion parts is a plugging ring, the second pair of insertion parts is an annular plugging groove, the shape and size of the plugging groove match those of the plugging ring, and the plugging ring is fixed at the opening of the box body; the plugging groove is arranged in the box cover assembly, and the plugging ring is inserted into the annular plugging groove; or, the first pair of insertion parts is an annular plugging groove, the second pair of insertion parts is a plugging ring, the shape and size of the plugging groove match those of the plugging ring; the plugging groove is arranged at the opening of the box body, the plugging ring is arranged in the box cover assembly, and the plugging ring is inserted into the annular plugging groove.

[0006] Preferably, the longitudinal section of the plugging groove is U-shaped or L-shaped.

[0007] Preferably, the box cover assembly includes a flip cover and an annular cover body base, the second pair of insertion parts is arranged in the cover body base, and the flip cover is hinged to one side of the cover body base.

[0008] Preferably, a magnetic part or a magnetic component is arranged in the cover body base, and a corresponding magnetic component or magnetic part is arranged in the flip cover.

[0009] Preferably, a sealing convex portion is provided around the upper end surface of the cover base, and a sealing ring is provided at a position of the flip cover plate opposite to the sealing convex portion; or, a sealing ring is provided around the upper end surface of the cover base, and a sealing convex portion is provided at a position of the flip cover plate opposite to the sealing ring; or, the upper end surface of the cover base is flat, and a sealing ring protruding downward is provided around the lower surface of the flip cover plate; or, a sealing ring protruding upward is provided around the upper end surface of the cover base, and the lower end surface of the flip cover plate is flat.

[0010] Preferably, the second pair of insertion portions are provided on the inner circumferential surface of the cover base; or, the second pair of insertion portions are provided on the outer circumferential surface of the cover base; or, the second pair of insertion portions are provided on the lower end surface of the cover base.

[0011] Preferably, a switch assembly is provided between one side of the flip cover plate and the cover base away from the hinge for controlling the flip cover plate.

[0012] Preferably, the switch assembly includes a buckle cover, both ends of the buckle cover are hinged to the flip cover plate, a return spring is provided between the top of the end surface of the buckle cover facing the hinge and the flip cover plate, a hook groove is opened at the bottom of the end surface of the buckle cover facing the hinge, and a hook portion is provided at a position of the side surface of the cover base opposite to the bottom of the buckle cover, and the hook portion can be buckled into the hook groove.

[0013] Preferably, the box body is composed of an inner core, a heat insulation layer and an outer casing. The heat insulation layer covers the outer circumferential surface and the bottom surface of the inner core, and the heat insulation layer is sleeved in the outer casing; the upper end of the heat insulation layer abuts against the lower end surface of the cover base; the first pair of insertion portions are provided on the inner core.

[0014] The beneficial effects of the present utility model are as follows: The present utility model provides a heat insulation bag. Compared with the prior art, the present utility model has at least the following technical effects:

[0015] 1. By adopting a detachable insertion connection method (the first pair of insertion portions and the second pair of insertion portions) between the box body and the box cover assembly, the box cover assembly can be assembled with boxes of different sizes, and heat insulation bags of various sizes can be assembled and matched. This design greatly improves the production flexibility, allowing the manufacturer to change the overall size of the entire heat insulation bag by adjusting the size of the heat insulation box body without replacing the entire set of molds; the modular design enables the box body and the box cover assembly to be manufactured separately, facilitating large-scale production and standardized production processes; in addition, since boxes of multiple sizes can share the same set of box cover assemblies, the manufacturer can reduce the types and quantities of molds, thereby reducing production costs.

[0016] 2. Whether it is the U-shaped or L-shaped design of the insertion part, or the different positions (inner circumferential surface, outer circumferential surface or lower end surface) of the insertion slot on the cover base, the stability of the connection structure is ensured; this design can prevent the insulation bag from loosening or falling off due to vibration or impact during transportation or use.

[0017] 3. Enhance the sealing performance. The magnetic or magnetic components in the box cover assembly, used in conjunction with the sealing convex part and the sealing ring, provide excellent sealing performance, which helps to maintain the temperature stability inside the insulation bag and improve the heat preservation effect.

[0018] 4. The switch component design (such as the snap cover and the hook part) between the flip cover and the cover base makes the opening and closing operation of the box cover more convenient. Users only need to gently operate the switch component to quickly open and close the box cover, improving the usage experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is an exploded view of an insulation bag of the present utility model.

[0020] Figure 2 is a schematic diagram of the state after opening the cover of an insulation bag of the present utility model.

[0021] Figure 3 is a schematic diagram of the state of closing the box cover assembly of an insulation bag of the present utility model.

[0022] Figure 4 is Figure 3 the schematic diagram of the structure in the A-A direction in

[0023] Figure 5 is Figure 4 the partial enlarged schematic diagram of

[0024] Figure 6 is Figure 3 the schematic diagram of the sectional structure in the B-B direction in

[0025] Explanation of the reference numerals in the drawings: 1. Box body; 11. First insertion part; 12. Inner core; 13. Heat insulation layer; 14. Outer cover; 2. Box cover assembly; 21. Second insertion part; 22. Flip cover; 23. Cover base; 24. Decorative cover; 25. Magnetic component; 26. Magnetic part; 27. Sealing convex part; 28. Sealing ring; 3. Switch component; 31. Snap cover; 32. Return spring; 33. Hook groove; 34. Hook part. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The present utility model will be further described below in conjunction with the drawings and specific embodiments.

[0027] Please refer to Figures 1 to 6, an insulated bag, comprising a box body 1, the upper end of the box body 1 is provided with an opening, a first pair of insertion parts 11 are arranged at the opening, a box cover assembly 2 is installed at the opening of the upper end of the box body 1, a second pair of insertion parts 21 matched with the first pair of insertion parts 11 are arranged in the box cover assembly 2, and the first pair of insertion parts 11 and the second pair of insertion parts 21 are inserted into each other to install the box cover assembly 2 at the opening of the box body 1. By adopting a detachable insertion connection method (the first pair of insertion parts 11 and the second pair of insertion parts 21) between the box body 1 and the box cover assembly 2, the box cover assembly 2 can be assembled with box bodies 1 of different sizes, and insulated bags of various sizes can be assembled and matched. This design greatly improves the flexibility of production, allowing manufacturers to change the overall size of the entire insulated bag by adjusting the size of the insulated box body 1 without replacing the entire set of molds; the modular design enables the box body 1 and the box cover assembly 2 to be manufactured separately, facilitating large-scale production and standardized production processes; in addition, since the same set of box cover assemblies 2 can be shared by box bodies 1 of various sizes, manufacturers can reduce the types and quantities of molds, thereby reducing production costs.

[0028] Please refer to Figure 1 、 Figures 4 to 6 , preferably, the first pair of insertion parts 11 is a plugging ring, the second pair of insertion parts 21 is an annular plugging groove, the shape and size of the plugging groove match those of the plugging ring, and the plugging ring is fixed at the opening of the box body 1; the plugging groove is arranged in the box cover assembly 2, and the plugging ring is inserted into the annular plugging groove. The first pair of insertion parts 11 is an annular plugging groove, the second pair of insertion parts 21 is a plugging ring, and the shape and size of the plugging groove match those of the plugging ring; the plugging groove is arranged at the opening of the box body 1, the plugging ring is arranged in the box cover assembly 2, and the plugging ring is inserted into the annular plugging groove. The longitudinal section of the plugging groove is U-shaped or L-shaped. Whether it is the U-shaped or L-shaped design of the insertion parts or the different positions (inner circumferential surface, outer circumferential surface or lower end surface) of the plugging groove arranged on the cover body base 23, the stability of the connection structure is ensured; this design can prevent the insulated bag from loosening or falling off due to vibration or impact during transportation or use. The U-shaped fixing and sealing effect is better.

[0029] Preferably, the first pair of insertion parts 11 can also be buckles or hooks, and the second pair of insertion parts 21 can also be hooks or buckles, as long as the splicing of the box cover assembly 2 and the box body 1 can be realized.

[0030] Please refer to Figures 1 to 6 , preferably, the box cover assembly 2 includes a flip cover plate 22 and an annular cover body base 23, the second pair of insertion parts 21 is arranged in the cover body base 23, and the flip cover plate 22 is hinged to one side of the cover body base 23. A decorative cover 24 is also fixed on the flip cover plate 22. Heat-insulating cotton layers are arranged in both the cover body base 23 and the flip cover plate 22 for heat insulation.

[0031] Please refer to Figure 1 、 Figure 6 Preferably, a magnetic component 25 or a magnetic part 26 is provided inside the cover base 23, and a corresponding magnetic part 26 or magnetic component 25 is provided inside the flip cover plate 22. The magnetic component 25 or magnetic part 26 in the box cover assembly 2 is used in cooperation with the sealing convex part 27 and the sealing ring 28, so that the flip cover plate 22 can be magnetically fixed and pressed against the cover base 23, providing excellent sealing performance, which helps to maintain the temperature stability inside the thermal insulation bag and improve the thermal insulation effect. The magnetic component 25 can be an iron block, and the magnetic part 26 can be a magnet. Of course, the magnetic component 25 can also be replaced with the magnetic part 26, as long as the two can adsorb each other.

[0032] Please refer to Figure 1 、 Figure 6 Preferably, a sealing convex part 27 is provided around the upper end surface of the cover base 23, and a sealing ring 28 is provided at the position of the flip cover plate 22 opposite to the sealing convex part 27; or, a sealing ring 28 is provided around the upper end surface of the cover base, and a sealing convex part 27 is provided at the position of the flip cover plate 22 opposite to the sealing ring 28; or, the upper end surface of the cover base 23 is flat, and a sealing ring 28 protruding downward is provided around the lower surface of the flip cover plate 22; or, a sealing ring 28 protruding upward is provided around the upper end surface of the cover base 23, and the lower end surface of the flip cover plate 22 is flat. It can achieve a better sealing and heat preservation effect.

[0033] Please refer to Figures 1 to 5 Preferably, the second pair of insertion parts 21 are provided on the inner peripheral surface of the cover base 23; or, the second pair of insertion parts 21 are provided on the outer peripheral surface of the cover base 23; or, the second pair of insertion parts 21 are provided on the lower end surface of the cover base 23. As long as the first pair of insertion parts 11 and the second pair of insertion parts 21 can be inserted and connected. Preferably, the insertion slot is provided on the inner peripheral surface of the cover base 23 of the box cover assembly 2, and protrudes inward from the top of the inner peripheral surface of the cover base 23 and bends downward to form a U-shaped insertion slot together with the inner wall of the cover base 23. If it protrudes inward from the top of the inner peripheral surface of the cover base 23 without bending downward, it will form an L-shaped insertion slot together with the inner wall of the cover base 23.

[0034] Please refer to Figures 1 to 5, preferably, a switch assembly 3 is provided between one sides of the flip cover plate 22 and the cover body base 23 away from the hinge, for controlling the flip cover plate 22. The switch assembly 3 includes a buckle cover 31, both ends of the buckle cover 31 are hinged to the flip cover plate 22, a return spring 32 is provided between the top of the end face of the buckle cover 31 facing the hinge and the flip cover plate 22, a hook groove 33 is formed at the bottom of the end face of the buckle cover 31 facing the hinge, and a hook portion 34 is provided at a position on the side surface of the cover body base 23 opposite to the bottom of the buckle cover 31, and the hook portion 34 can be buckled into the hook groove. When the flip cover plate 22 is pressed tightly on the cover body base 23, the lower end of the buckle cover 31 is abutted by the hook portion 34 and rotates upward around its hinge to avoid the hook portion 34. When the buckle cover 31 continues to move downward driven by the flip cover plate 22 and the hook portion 34 is opposite to the hook groove 33, due to the lack of the abutment of the hook portion 34 on the buckle cover 31, the return spring 32 can drive the top of the buckle cover 31 to rotate downward, that is, the hook groove 33 at the bottom moves close to the hook portion 34, so as to realize that the hook portion 34 hooks the hook groove 33, and then realize the fixation of the flip cover plate 22 and the cover body base 23; conversely, when opening the cover, press the buckle cover 31 by hand to make the bottom of the buckle cover 31 rotate in a direction away from the flip cover plate 22, and the hook portion 34 can be disengaged from the hook groove 33, and the flip cover plate 22 can be opened. The flip cover plate 22 and the cover body base 23 are fixed more firmly, which helps to improve the sealing performance and further improve the heat preservation effect. The switch assembly 3 can also be composed of existing components such as a snap fastener, and is not limited thereto, as long as it can realize buckling and fixation.

[0035] Please refer to Figures 1 to 6 , preferably, the box body 1 is composed of an inner core 12, a heat preservation layer 13 and an outer cover 14. The heat preservation layer 13 covers the outer peripheral surface and the bottom surface of the inner core 12, and the heat preservation layer 13 is sleeved in the outer cover 14; the upper end of the heat preservation layer 13 abuts against the lower end surface of the cover body base 23; the first pair of insertion parts 11 are arranged at the top of the inner core 12 and are integral with the inner core 12. It plays a heat preservation effect. The outer cover 14 can be provided with some handles or straps for easy handling.

[0036] The working principle of the present utility model is as follows:

[0037] Assemble the inner core 12 of the box body 1 and the box cover assembly 2 produced separately. When assembling the insulation bag of the first size, select the box body 1 of the first size, and then insert and connect the second pair of insertion parts 21 of the box cover assembly 2 and the first pair of insertion parts 11 of the box body 1 together (insert the insertion ring into the insertion slot, and the corresponding components of the box cover assembly 2 have been assembled before this step); when assembling the insulation bag of the second size, select the box body 1 of the second size, and insert the first pair of insertion parts 11 at the opening thereof and the second pair of insertion parts 21 of the box cover assembly 2 to complete the assembly.

[0038] The following points should be noted: First, in the description of this application, it should be noted that unless otherwise specified and defined, the terms "installed", "connected", and "linked" should be understood in a broad sense. It can be a mechanical connection or an electrical connection, or it can be the communication inside two components. It can be directly connected. "Upper", "lower", "left", "right", etc. are only used to represent relative position relationships. When the absolute position of the object being described changes, the relative position relationship may change.

[0039] Second: In the drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. For other structures, reference can be made to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other.

[0040] Finally, the above description is only the preferred embodiment of the present utility model. The protection scope of the present utility model is not limited to the above embodiments. All technical solutions falling within the concept of the present utility model belong to the protection scope of the present utility model.

[0041] It should be pointed out that for those of ordinary skill in the art in this technical field, several improvements and refinements made without departing from the principle of the present utility model should also be regarded as within the protection scope of the present utility model.

Claims

1. A thermal insulation bag, characterized in that: The invention comprises a box body (1), wherein an opening is provided at the upper end of the box body (1), a first pair of inserting parts (11) is provided at the opening, a box cover assembly (2) is installed at the opening at the upper end of the box body (1), a second pair of inserting parts (21) cooperating with the first pair of inserting parts (11) is provided in the box cover assembly (2), and the first pair of inserting parts (11) and the second pair of inserting parts (21) are inserted into each other, so as to install the box cover assembly (2) at the opening of the box body (1).

2. A thermal insulation bag according to claim 1, characterized in that: The first pair of inserting parts (11) are plug-in rings, and the second pair of inserting parts (21) are annular plug-in grooves, the plug-in grooves match the shape and size of the plug-in rings, and the plug-in rings are fixed at the opening of the box body (1); the plug-in grooves are arranged in the box cover assembly (2), and the plug-in rings are inserted into the annular plug-in grooves; or, the first pair of inserting parts (11) are annular plug-in grooves, and the second pair of inserting parts (21) are plug-in rings, the plug-in grooves match the shape and size of the plug-in rings; the plug-in grooves are arranged at the opening of the box body (1), the plug-in rings are arranged in the box cover assembly (2), and the plug-in rings are inserted into the annular plug-in grooves.

3. A thermal insulation bag according to claim 2, characterized in that: The longitudinal section of the plug-in slot is U-shaped or L-shaped.

4. The thermal insulation bag according to claim 1, characterized in that: The box cover assembly (2) comprises a flip cover plate (22) and an annular cover base (23); the second pair of inserting parts (21) are arranged in the cover base (23); and the flip cover plate (22) is hinged to one side of the cover base (23).

5. The thermal insulation bag according to claim 4, characterized in that: A magnetic attraction component (25) or a magnetic component (26) is provided in the cover body base (23), and a corresponding magnetic component (26) or a magnetic attraction component (25) is provided in the flip cover plate (22).

6. The thermal insulation bag according to claim 4, characterized in that: The upper end surface of the cover body base (23) is surrounded by a sealing protrusion (27), and the flip cover plate (22) is provided with a sealing ring (28) at a position opposite to the sealing protrusion (27); or, the upper end surface of the cover body base is surrounded by a sealing ring (28), and the flip cover plate (22) is provided with a sealing protrusion (27) at a position opposite to the sealing ring (28); or, the upper end surface of the cover body base (23) is flat, and the lower surface of the flip cover plate (22) is surrounded by a sealing ring (28) protruding downward; or, the upper end surface of the cover body base (23) is surrounded by a sealing ring (28) protruding upward, and the lower end surface of the flip cover plate (22) is flat.

7. The thermal insulation bag according to claim 4, characterized in that: The second pair of inserting portions (21) are arranged on the inner circumferential surface of the cover base (23); or, the second pair of inserting portions (21) are arranged on the outer circumferential surface of the cover base (23); or, the second pair of inserting portions (21) are arranged on the lower end surface of the cover base (23).

8. The thermal insulation bag according to claim 4, characterized in that: A switch assembly (3) is provided between the flip cover (22) and a side of the cover base (23) away from the hinge, and is used to control the flip cover (22).

9. The thermal insulation bag according to claim 8, characterized in that: The switch assembly (3) comprises a buckle cover (31), the two ends of the buckle cover (31) are hinged to the flip cover (22), a return spring (32) is arranged between the top of the end surface of the buckle cover (31) facing the hinge and the flip cover (22), a hook groove (33) is arranged at the lower part of the end surface of the buckle cover (31) facing the hinge, and a hook portion (34) is arranged at a position opposite to the bottom of the buckle cover (31) on the side of the cover body base (23), and the hook portion (34) can be buckled into the hook groove (33).

10. The thermal insulation bag according to claim 5, characterized in that: The box body (1) is composed of an inner core (12), a heat-insulating layer (13) and an outer shell (14); the heat-insulating layer (13) covers the outer circumference and bottom surface of the inner core, and the heat-insulating layer (13) is sleeved in the outer shell (14); the upper end of the heat-insulating layer (13) abuts against the lower end surface of the cover base (23); and the first pair of inserting parts (11) are arranged on the inner core (12).

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