A hidden cold storage lock body opening device special for portable waterproof cold storage box

Abstract

This utility model discloses a portable, waterproof, concealed cold storage lock body opening device specifically for refrigerators. It includes a bowl-shaped plastic body, hollow inside which a rubber sleeve is inserted. The rubber sleeve connects the two ends of the bowl-shaped plastic body and isolates them from the hollow area inside. A screw rod is inserted inside the bowl-shaped plastic body. One end of the screw rod protrudes from the bowl-shaped surface and engages with a push rod plate, while the other end protrudes from the bottom of the bowl. An inner stop block and an outer stop block are respectively provided on one side of the screw rod protruding from the bottom of the bowl. A spring is fitted onto the portion of the screw rod protruding from the bottom of the bowl. This utility model reduces space occupation through its embedded, concealed design. The spring provides pre-tension, effectively preventing the rod from wobbling and allowing for easy lifting without needing to be removed separately. The fully threaded screw rod better adapts to door bodies of different thicknesses, and the rubber sleeve prevents moisture ingress, avoiding internal icing that could affect usability.

Description

Technical Field

[0001] This utility model relates to the field of container lock technology, and more specifically, it relates to a portable, waterproof, concealed cold storage lock body opening device specifically for refrigerated containers. Background Technology

[0002] In the cold chain logistics system, refrigerated containers are a crucial link, bearing the heavy responsibility of preserving perishable goods such as various food items and medicines. As a vital conduit, the door locks equipped with them directly affect the stability of the internal environment and the safety of the goods. The environment inside refrigerated containers is humid, with moisture often present in the air, and some areas may even generate trace amounts of corrosive gases due to the storage of goods. Stainless steel door locks can maintain their appearance and structural integrity for a long time, greatly reducing the replacement costs and maintenance workload caused by rust damage. This ensures that the door locks remain in a reliable working state in the high humidity and slightly corrosive environment of refrigerated containers, providing a stable guarantee for the normal opening and closing of the refrigerated container doors.

[0003] As shown in the attached diagram of the instruction manual. Figure 2 The image shows an existing internal lock body opening device. Its core consists of a threaded rod at the end, which, together with an internal stop plate and an external stop block, forms the basic structure for opening and closing the refrigerated container. However, the refrigerated containers used in this type of storage series employ generic lock bodies for their doors, rather than internal lock body opening devices specifically designed for existing container types, thus limiting their effectiveness. Through systematic market demand and project implementation research, it was found that commercially available cold storage lock bodies have broad applicability; therefore, no targeted research or customized adjustments were made based on project characteristics and customer needs. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a portable and waterproof hidden cold storage lock body opening device for refrigerators, so as to solve one or more of the above-mentioned problems.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A portable, waterproof, concealed cold storage lock body opening device for refrigerators includes a bowl-shaped plastic. The bowl-shaped plastic is hollow inside and has a rubber sleeve inserted through it. The rubber sleeve connects the two ends of the bowl-shaped plastic and isolates it from the hollow area inside the bowl-shaped plastic. A screw is inserted inside the bowl-shaped plastic. One end of the screw passes through the bowl-shaped surface of the bowl-shaped plastic and is connected to a push rod plate. The other end of the screw passes through the bottom of the bowl-shaped plastic.

[0007] Furthermore, an inner stop block and an outer stop block are respectively provided on one side of the screw protruding from the bottom end of the bowl-shaped plastic. The outer stop block is located outside the bowl-shaped plastic and is set corresponding to the tail end of the screw. The inner stop block is located inside the bowl-shaped plastic and is set to fit the inner end face of the bowl-shaped plastic.

[0008] Furthermore, the inner stop block has a spring washer on the side that is not in contact with the bowl-shaped plastic, and the screw passes through the spring washer.

[0009] Furthermore, a nut is disposed on the screw, and the nut presses against the spring washer.

[0010] Furthermore, a spring is fitted onto the portion of the screw that extends beyond the bottom of the bowl-shaped plastic bowl, and the spring is positioned between the outer stop block and the inner stop block.

[0011] Furthermore, the screw is a fully threaded rod.

[0012] In summary, this utility model has the following beneficial effects: the embedded and hidden design reduces the space occupied; the spring provides pre-tension, effectively preventing the rod from shaking and allowing it to be lifted without needing to be taken out for storage; the fully threaded screw better adapts to the assembly of door bodies of different thicknesses; and the rubber sleeve prevents moisture from entering and avoids internal icing that affects use. Attached Figure Description

[0013] Figure 1 A structural cross-sectional view of one embodiment of this utility model;

[0014] Figure 2 A structural cross-sectional view of an existing product provided for this utility model.

[0015] In the diagram: 1. Bowl-shaped plastic; 2. Screw; 3. Inner stop block; 4. Nut; 5. Spring washer; 6. Spring; 7. Push rod plate; 8. Outer stop block; 9. Rubber sleeve. Detailed Implementation

[0016] Example:

[0017] The following is in conjunction with the appendix Figure 1 The present invention will be described in further detail below.

[0018] A portable, waterproof, concealed internal cold storage lock opening device specifically designed for refrigerators, such as... Figure 1As shown, the main body is a bowl-shaped plastic 1, which can be embedded and hidden inside the door without any obtrusiveness. The outer side is the bowl-shaped top, and the inner side is the bowl-shaped bottom, with an overall bowl-shaped cross-section. The bowl-shaped plastic 1 is hollow inside and has a rubber sleeve 9 inserted through it. The side wall of the rubber sleeve 9 is pleated, with one end protruding from the bowl-shaped top section of the bowl-shaped plastic 1 and the other end tightly fitting against the inner bottom surface of the bowl-shaped plastic 1. In this way, the rubber sleeve 9 not only connects the openings of the inner and outer ends of the bowl-shaped plastic 1, but also separates the hollow area of ​​the bowl-shaped plastic 1 from the space inside the rubber sleeve 9, forming a sealed isolation area. A screw 2 is vertically inserted through the bowl-shaped plastic 1. The screw 2 is set entirely within the isolation area, with both ends protruding from the ends of the bowl-shaped plastic 1. The screw 2 is a fully threaded rod, with one end protruding from the bowl-shaped plastic 1 and connecting to a push rod plate 7. The top of the push rod plate 7 has a push plate structure with two downward-hanging sides, and the inner side is a tubular structure. The inner wall of the tube tightly fits against the inner wall of the rubber sleeve 9 to maintain a seal. One end of the screw 2 protrudes from the bottom of the bowl-shaped plastic 1, and this end is equipped with an inner stop block 3 and an outer stop block 8. The outer stop block 8 is located outside the bowl-shaped plastic 1 and is positioned relative to the tail end of the screw 2. The inner stop block 3 is located inside the bowl-shaped plastic 1 and fits against the inner bottom surface of this end of the bowl-shaped plastic 1. A spring washer 5 and a nut 4 are sequentially provided on the outer side of the inner stop block 3. Both the spring washer 5 and the nut 4 are passed through by the screw 2, and the nut 4 presses the spring washer 5 tightly against the inner stop block 3. A spring 6 is fitted onto the portion of the screw 2 that protrudes from the bottom of the bowl-shaped plastic 1. The spring 6 is positioned against the outer stop block 8 and the bowl-shaped plastic 1, essentially located between the outer stop block 8 and the inner stop block 3.

[0019] When using the inward-opening device, the fully threaded design of screw 2 allows it to rotate according to the door panel thickness, adapting and adjusting the extension length. Rubber sleeve 9 effectively prevents moisture from entering, reducing the likelihood of ice buildup preventing the door from opening. The stainless steel boss's inner stop 3 effectively prevents the rod from falling, while spring 6 maintains the rod's clamping force, preventing loosening. When used in conjunction with a cold storage lock, the inward-opening device offers excellent concealment, superior waterproofing, and enhanced portability and stability.

[0020] It should be noted that this specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A portable, waterproof, concealed cold storage lock body opening device specifically designed for refrigerators, characterized in that: The device includes a bowl-shaped plastic (1), which is hollow inside and has a rubber sleeve (9) inserted through it. The rubber sleeve (9) connects the two ports of the bowl-shaped plastic (1) and is isolated from the hollow area inside the bowl-shaped plastic (1). A screw (2) is inserted inside the bowl-shaped plastic (1). One end of the screw (2) extends out of the bowl surface of the bowl-shaped plastic (1) and is connected to a push rod plate (7). The other end of the screw (2) extends out of the bottom of the bowl of the bowl-shaped plastic (1).

2. The portable waterproof cold storage lock body opening device for a special concealed cold storage unit as described in claim 1, characterized in that: The screw (2) is provided with an inner stop block (3) and an outer stop block (8) on one side of the bottom end of the bowl-shaped plastic (1). The outer stop block (8) is located outside the bowl-shaped plastic (1) and is provided corresponding to the tail of the screw (2). The inner stop block (3) is located inside the bowl-shaped plastic (1) and is provided in contact with the inner end face of the bowl-shaped plastic (1).

3. The portable waterproof cold storage lock body opening device for a special concealed cold storage unit as described in claim 2, characterized in that: The inner stop block (3) has a spring pad (5) on the side that is not in contact with the bowl-shaped plastic (1), and the screw (2) passes through the spring pad (5).

4. The portable waterproof cold storage lock body opening device for a special concealed cold storage unit as described in claim 3, characterized in that: A nut (4) is disposed on the screw (2), and the nut (4) presses against the spring washer (5).

5. The portable waterproof cold storage lock body opening device for a special concealed cold storage unit as described in claim 2, characterized in that: A spring (6) is fitted onto the portion of the screw (2) that extends out of the bottom of the bowl-shaped plastic (1). The spring (6) is located between the outer stop (8) and the inner stop (3).

6. The portable waterproof cold storage lock body opening device for a special concealed cold storage unit as described in claim 1, characterized in that: The screw (2) is a fully threaded rod.

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