Heat preservation box with sealing structure

Abstract

The utility model discloses a heat preservation box with a sealing structure, which comprises a box body, a cover plate, a top frame and a bottom frame, the box body and the bottom frame as well as the cover plate and the top frame are fixed through connecting assemblies, and a fixing frame is fixedly arranged at the bottom of the top frame. In the application, the top frame and the bottom frame are fixedly connected with the cover plate and the box body respectively, the outer side of the fixed frame is wrapped with the sealing rubber pad, when the cover plate is combined with the box body, the fixed frame is inserted into the combination groove in the top of the bottom frame, the rubber pad layer is extruded, and the sealing rubber pad can be tightly attached to the combination groove and the top of the bottom frame; the sealing rubber mat is composed of a bent section and a straight end, the sealing rubber mat is matched with the upper fixing frame and the combination groove, horizontal deviation after the top frame and the bottom frame are combined is limited, meanwhile, sufficient combination of the sealing rubber mat and the bottom frame is guaranteed, and therefore the air tightness of connection between the box body and the cover plate is effectively improved while the stability of connection between the box body and the bottom frame is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation boxes, in particular to a thermal insulation box with a sealing structure. Background Art

[0002] The insulated box is a device used to keep items warm. It is mainly used in the food, medicine, catering and other industries to provide convenience for people.

[0003] Chinese patent announcement number CN209684427U, announcement date 20191126, discloses an insulation box, including a box body and a cover body arranged on the box body. The insulation box also includes: an insulation component, which is arranged in the box body. The insulation component includes a plurality of detachably connected insulation units, and the plurality of insulation units surround to form an insulation cavity. Each insulation unit has a accommodating space to accommodate a heat exchange medium. The insulation cavity can insulate the parts to be insulated therein to reduce heat loss of the parts to be insulated.

[0004] In the existing insulation boxes such as the above, the connection method between the cover and the box body is mostly to directly fit together with the outer snap-on components. In the specific implementation process, although the stability of the connection between the box body and the cover can be ensured, the air tightness between the box body and the cover is poor, which affects the insulation effect of the insulation box. Therefore, it is urgent to propose a corresponding insulation box with a sealing structure to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to solve the above problems and to provide a heat preservation box with a sealing structure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A thermal insulation box with a sealing structure comprises a box body, a cover plate, a top frame and a bottom frame. The box body and the bottom frame, as well as the cover plate and the top frame are fixed by connecting components. A fixing frame is fixedly installed on the bottom of the top frame. The fixing frame is plugged into the inner surface wall of the top of the bottom frame through a coupling groove. A sealing rubber pad for sealing the top frame and the bottom frame is arranged between the fixing frame and the bottom of the top frame.

[0008] Preferably, the connecting assembly includes two groups of connecting plates, the two groups of connecting plates are fixedly connected to the top frame and the bottom frame respectively, and the outer walls of the box body and the cover plate are provided with slots matching the connecting plates, and the two groups of connecting plates are fixedly connected to the box body and the cover plate respectively through two groups of locking rods.

[0009] Preferably, the inner surfaces of the two groups of connecting pieces are interference-fitted with rubber blocks, and the two groups of rubber blocks are respectively in contact with the outer surfaces of the two groups of locking rods.

[0010] Preferably, the sealing rubber pad comprises a straight section and a bent section, the straight section and the bent section are fixedly connected to the top frame and the fixed frame respectively, and the straight section and the bent section are respectively abutted against the top of the bottom frame and the coupling groove.

[0011] Preferably, the straight section and the bent section are integrally formed, and the top of the straight section and the bottom of the top frame as well as the inner surface wall of the bent section and the outer surface wall of the fixed frame are fixedly connected by adhesive.

[0012] Preferably, a convex frame is fixedly installed at the bottom of the top frame, the outer wall of the convex frame is inserted into the top of the bottom frame through an inner groove, and the convex frame is placed on the outside of the sealing gasket.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0014] 1. In the present application, the top frame and the bottom frame are fixedly connected to the cover plate and the box body respectively, and a sealing rubber pad is wrapped around the outside of the fixing frame. When the cover plate is combined with the box body, the fixing frame is inserted into the inside of the combining groove at the top of the bottom frame, and the rubber pad layer is squeezed, and the sealing rubber pad will fit tightly in the combining groove and the top of the bottom frame. The sealing rubber pad consists of a bent section and a straight end. In conjunction with the fixing frame and the combining groove, the horizontal deviation of the top frame and the bottom frame after combination is limited, while ensuring the full combination of the sealing rubber pad and the bottom frame, thereby ensuring the stability of the connection between the box body and the bottom frame, and effectively improving the airtightness of the connection between the box body and the cover plate.

[0015] 2. In the present application, matching card slots are provided on the box body and the cover plate, and the connecting pieces on the outer sides of the top frame and the bottom frame are respectively coupled to the two groups of card slots. Then, the two groups of locking rods are rotated in sequence to fix the bottom frame and the box body as well as the top frame and the cover plate. Finally, the two groups of rubber blocks are respectively coupled to the two groups of connecting pieces. The interference fit method ensures the stability of the two groups of rubber blocks. The rubber blocks will provide restraining force for the locking rods, thereby limiting the loosening of the two groups of locking rods and ensuring the stability of the connection between the bottom frame and the box body as well as the top frame and the cover plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structure schematic diagram provided according to the embodiment of the utility model is shown;

[0017] Figure 2 A schematic diagram of the bottom frame structure provided according to an embodiment of the utility model is shown;

[0018] Figure 3 A schematic diagram of the structure of a sealing rubber pad provided according to an embodiment of the utility model is shown;

[0019] Figure 4 A schematic diagram of the connecting piece structure provided according to an embodiment of the utility model is shown.

[0020] Legend:

[0021] 1. Top frame; 2. Bottom frame; 3. Connecting piece; 4. Sealing pad; 401. Straight section; 402. Bend section; 5. Convex frame; 6. Combination groove; 7. Inner groove; 8. Fixed frame; 9. Locking rod; 10. Rubber block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] A heat preservation box with a sealing structure, comprising a box body, a cover plate, a top frame 1 and a bottom frame 2, wherein the box body and the bottom frame 2 as well as the cover plate and the top frame 1 are fixed by connecting components, a fixing frame 8 is fixedly installed at the bottom of the top frame 1, the fixing frame 8 is plugged into the top inner surface wall of the bottom frame 2 through a coupling groove 6, and a sealing rubber pad 4 for sealing the top frame 1 and the bottom frame 2 is arranged between the fixing frame 8 and the bottom of the top frame 1;

[0025] The top frame 1 and the bottom frame 2 are fixedly connected to the cover plate and the box body respectively, and a sealing pad 4 is wrapped around the outside of the fixing frame 8. When the cover plate is combined with the box body, the fixing frame 8 is inserted into the inside of the combining groove 6 at the top of the bottom frame 2, and the sealing pad 4 is squeezed. The sealing pad 4 will fit tightly in the combining groove 6 and the top of the bottom frame 2. The sealing pad 4 consists of a bent section 402 and a straight section 401. In conjunction with the fixing frame 8 and the combining groove 6, the horizontal deviation of the top frame 1 and the bottom frame 2 after combination is limited, while ensuring the full combination of the sealing pad 4 and the bottom frame 2, thereby ensuring the stability of the connection between the box body and the bottom frame 2, and effectively improving the airtightness of the connection between the box body and the cover plate.

[0026] Specifically, Figure 1 and Figure 4As shown, the connection assembly includes two groups of connecting pieces 3, the two groups of connecting pieces 3 are fixedly connected to the top frame 1 and the bottom frame 2 respectively, and the outer walls of the box body and the cover plate are provided with card slots matched with the connecting pieces 3, the two groups of connecting pieces 3 are fixedly connected to the box body and the cover plate respectively through two groups of locking rods 9, the inner walls of the two groups of connecting pieces 3 are interference-fitted with rubber blocks 10, the two groups of rubber blocks 10 are respectively abutted against the outer walls of the two groups of locking rods 9, matching card slots are provided on the box body and the cover plate, the top frame 1 and After the connecting pieces 3 on the outside of the bottom frame 2 are respectively combined with the inside of the two groups of card slots, the two groups of locking rods 9 are rotated in sequence to fix the bottom frame 2 and the box body, and the top frame 1 and the cover plate. Finally, the two groups of rubber blocks 10 are respectively combined with the inside of the two groups of connecting pieces 3. The interference fit method ensures the stability of the two groups of rubber blocks 10. The rubber blocks 10 will provide a restraining force for the locking rods 9, thereby limiting the loosening of the two groups of locking rods 9 and ensuring the stability of the connection between the bottom frame 2 and the box body, and the top frame 1 and the cover plate.

[0027] Specifically, Figure 1 and Figure 3 As shown, the sealing gasket 4 includes a straight section 401 and a bent section 402, and the straight section 401 and the bent section 402 are fixedly connected to the top frame 1 and the fixed frame 8 respectively, and the straight section 401 and the bent section 402 are respectively abutted against the top of the bottom frame 2 and the coupling groove 6, and the fixed frame 8 is inserted into the coupling groove 6 at the top of the bottom frame 2, and the sealing gasket 4 is squeezed, and the sealing gasket 4 will fit tightly in the coupling groove 6 and the top of the bottom frame 2. The sealing gasket 4 is composed of the bent section 402 and the straight section 401, and cooperates with the fixed frame 8 and the coupling groove 6 to limit the horizontal deviation of the top frame 1 after the bottom frame 2 is combined, while ensuring the full combination of the sealing gasket 4 and the bottom frame 2, thereby ensuring the stability of the connection between the box body and the bottom frame 2, and effectively improving the airtightness of the connection between the box body and the cover plate.

[0028] Specifically, Figure 2 and Figure 3 As shown, the straight section 401 and the bent section 402 are integrally formed, and the top of the straight section 401 and the bottom of the top frame 1, as well as the inner wall of the bent section 402 and the outer wall of the fixed frame 8 are fixedly connected by adhesive, thereby ensuring the overall structural strength of the sealing pad 4. A convex frame 5 is fixedly installed at the bottom of the top frame 1, and the outer wall of the convex frame 5 is inserted into the top of the bottom frame 2 through the inner groove 7, and the convex frame 5 is placed on the outside of the sealing pad 4. After the top frame 1 and the bottom frame 2 are combined, the convex frame 5 will be mounted on the outside of the sealing pad 4, thereby protecting the sealing pad 4.

[0029] Working principle: The top frame 1 and the bottom frame 2 are fixedly connected to the cover plate and the box body respectively, and a sealing pad 4 is wrapped around the outside of the fixing frame 8. When the cover plate is combined with the box body, the fixing frame 8 is inserted into the inside of the combining groove 6 at the top of the bottom frame 2, and the sealing pad 4 is squeezed. The sealing pad 4 will fit tightly in the combining groove 6 and the top of the bottom frame 2. The sealing pad 4 consists of a bent section 402 and a straight section 401. In conjunction with the fixing frame 8 and the combining groove 6, the horizontal deviation of the top frame 1 and the bottom frame 2 after combination is limited, and the sealing pad 4 is fully combined with the bottom frame 2, thereby ensuring the stability of the connection between the box body and the bottom frame 2. At the same time, the air tightness of the connection between the box body and the cover plate is effectively improved. Matching card slots are opened on the box body and the cover plate. After the connecting pieces 3 on the outer sides of the top frame 1 and the bottom frame 2 are respectively combined with the inside of the two groups of card slots, the two groups of locking rods 9 are rotated in turn to realize the fixation of the bottom frame 2 and the box body, and the top frame 1 and the cover plate. Finally, the two groups of rubber blocks 10 are respectively combined with the inside of the two groups of connecting pieces 3. The interference fit method ensures the stability of the two groups of rubber blocks 10. The rubber blocks 10 will provide a restraining force for the locking rods 9, thereby limiting the loosening of the two groups of locking rods 9 and ensuring the stability of the connection between the bottom frame 2 and the box body, and the top frame 1 and the cover plate.

[0030] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A heat preservation box with a sealing structure, comprising a box body, a cover plate, a top frame (1) and a bottom frame (2), characterized in that: The box body and the bottom frame (2) as well as the cover plate and the top frame (1) are fixed by means of a connection assembly; a fixing frame (8) is fixedly mounted on the bottom of the top frame (1); the fixing frame (8) is plugged into the top inner surface wall of the bottom frame (2) through a coupling groove (6); a sealing rubber pad (4) is provided between the fixing frame (8) and the bottom of the top frame (1) for sealing the top frame (1) and the bottom frame (2).

2. The heat preservation box with a sealing structure according to claim 1, characterized in that: The connection assembly comprises two groups of connection plates (3), the two groups of connection plates (3) are fixedly connected to the top frame (1) and the bottom frame (2) respectively, and the outer walls of the box body and the cover plate are both provided with slots matching with the connection plates (3), and the two groups of connection plates (3) are fixedly connected to the box body and the cover plate respectively through two groups of locking rods (9).

3. The heat preservation box with a sealing structure according to claim 2, characterized in that: The inner walls of the two groups of connecting pieces (3) are interference-fitted with rubber blocks (10), and the two groups of rubber blocks (10) are respectively in contact with the outer walls of the two groups of locking rods (9).

4. The heat preservation box with a sealing structure according to claim 3, characterized in that: The sealing rubber pad (4) comprises a straight section (401) and a bent section (402); the straight section (401) and the bent section (402) are fixedly connected to the top frame (1) and the fixed frame (8) respectively, and the straight section (401) and the bent section (402) are respectively in contact with the top of the bottom frame (2) and the coupling groove (6).

5. The heat preservation box with a sealing structure according to claim 4, characterized in that: The straight section (401) and the bent section (402) are integrally formed, and the top of the straight section (401) and the bottom of the top frame (1) as well as the inner wall of the bent section (402) and the outer wall of the fixed frame (8) are fixedly connected by adhesive.

6. The heat preservation box with a sealing structure according to claim 5, characterized in that: A convex frame (5) is fixedly mounted on the bottom of the top frame (1); the outer wall of the convex frame (5) is plugged into the top of the bottom frame (2) through an inner groove (7), and the convex frame (5) is placed on the outside of the sealing rubber pad (4).

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