Refrigeration magnetic type semi-buried door hinge

CN224606252UActive Publication Date: 2026-08-07JIANGSU JINGXUE INSULATION TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU JINGXUE INSULATION TECH CO LTD
Filing Date
2025-08-27
Publication Date
2026-08-07

AI Technical Summary

Technical Problem

[0003]目前国内大部分冷库半埋门铰链无法实现前后/左右/上下三个方向的调节,无法保证冷库半埋门的整体密封效果

Benefits of technology

[0019]本实用新型,通过在门框本体和门板本体一侧设置安装槽及移动块,结合连接孔与连接件,能借助移动块与连接件的直接接触及物理挤压或推拉,精准调节门板与门框上密封件的压紧程度,有效增强冷库门的密封性,减少冷气泄漏;轴杆与连接块的转动连接实现了门板的灵活开合,而浮开沉闭组件则保证了门板在开合过程中能平稳运行,具备良好的自动复位或沉降闭合性能,保护门板底部密封条不会摩擦地面,提升了冷库门密封性。

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to semi -buried door hinge technical field discloses a cold storage magnetic attraction type semi -buried door hinge, including hinge, the hinge includes door frame body and door plate body, one side of door frame body and door plate body all is provided with a plurality of mounting slots, a plurality of mounting slots all are provided with the moving block, set up mounting slot and moving block through one side of door frame body and door plate body, combine connecting hole and connecting piece, can help moving block and the direct contact and physical extrusion or push and pull of connecting piece, the degree of compression of sealing element on door plate and door frame is accurately adjusted, effectively enhances the sealing property of cold store door, reduces the cold air leakage, the rotary connection of axle rod and connecting block realizes the flexible opening and closing of door plate, and the floating open and sinking closed assembly guarantees that door plate can run stably in the opening and closing process, has good automatic reset or subsidence closing performance, protects the door plate bottom sealing strip and will not rub the ground, improves the cold store door sealing property.
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Description

Technical Field

[0001] This utility model relates to the field of air purification equipment technology, and in particular to a magnetic semi-recessed door hinge for cold storage. Background Technology

[0002] Cold storage doors are doors installed in cold storage equipment, freezer rooms, and other refrigerated environments to provide insulation and airtightness. With advancements in refrigeration and freezing technology, cold storage projects have expanded into more and more fields. The increasing reach of refrigeration and freezing technology across various sectors has, to some extent, increased the demand for cold storage facilities, leading to a growing demand for cold storage panels.

[0003] Currently, most semi-recessed cold storage door hinges in China cannot be adjusted in three directions: front / back, left / right, and up / down, thus failing to guarantee the overall sealing effect of the semi-recessed cold storage door. Utility Model Content

[0004] The purpose of this utility model is to solve the problems existing in the prior art and to propose a magnetic semi-recessed door hinge for cold storage.

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

[0006] A magnetic semi-recessed door hinge for cold storage includes a hinge, which includes a door frame body and a door panel body. Each side of the door frame body and the door panel body is provided with a plurality of mounting grooves, and each of the plurality of mounting grooves is provided with a movable block. Each side of the door panel body and the door frame body is provided with a plurality of connecting holes, and the plurality of connecting holes are connected to the corresponding mounting grooves. A door panel and a door frame are respectively connected to one side of the door panel body and the door frame body.

[0007] A sealing element is provided on one side of the door frame, and one side of the sealing element is in contact with the door panel. A sealing strip is provided on one side of the door panel. The connecting parts of the door panel and the door frame are directly in contact through the moving block and the hinge. The movement is transmitted to the door panel or door frame through physical squeezing or pushing and pulling, and the tightness of the sealing element is adjusted.

[0008] A shaft is rotatably mounted on the door frame body, and a connecting block is provided on one side of the door panel body. The connecting block is rotatably connected to the shaft, and a floating and sinking closing assembly is provided on the outer periphery of the shaft.

[0009] Preferably, one side of the movable block is provided with a plurality of first slots, and one side of the inner wall of the mounting groove is provided with a plurality of second slots, and the plurality of first slots and second slots are engaged with each other.

[0010] Preferably, all of the first and second slots are serrated.

[0011] Preferably, the connector is a bolt, which can be used to connect the door panel body to the door panel and the door frame body to the door frame.

[0012] Preferably, the floating-opening and sinking-closing assembly includes two hexagonal studs disposed on the outer periphery of the shaft. A first slider and a second slider are respectively disposed on the adjacent sides of the two hexagonal studs. A first groove is provided on one side of the first slider, and a second groove is provided on one side of the second slider. The first groove and the second groove are adapted to each other. A limiting component is provided at the bottom of the door frame body.

[0013] Preferably, a spring is provided on the outer periphery of the shaft, one end of the spring is connected to the door frame body, and the other end of the spring is connected to one of the hexagonal studs.

[0014] Preferably, a limiting groove is provided on one side of the connecting block, and the limiting groove is adapted to a hexagonal stud.

[0015] Preferably, the limiting component includes a threaded hole on one side of the door frame body, wherein a screw seat is threaded into the threaded hole, and one side of one of the hexagonal studs contacts the top of the screw seat.

[0016] Preferably, a protective shell is provided on one side of several mounting slots on one side of the door frame body, and the protective shell is connected to the door frame body by screws. A sealing cover is provided on one side of several mounting slots on one side of the door panel body to protect the connectors installed in the mounting slots.

[0017] Preferably, both the door frame body and the door panel body are integrally molded from engineering plastics.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] This utility model, by setting an installation groove and a moving block on one side of the door frame body and the door panel body, combined with the connecting hole and the connecting piece, can accurately adjust the tightness of the sealing element on the door panel and the door frame through the direct contact and physical squeezing or pushing and pulling of the moving block and the connecting piece, effectively enhancing the sealing performance of the cold storage door and reducing cold air leakage; the rotational connection between the shaft and the connecting block realizes the flexible opening and closing of the door panel, while the floating opening and sinking closing component ensures that the door panel can operate smoothly during the opening and closing process, has good automatic reset or sinking closing performance, protects the bottom sealing strip of the door panel from rubbing against the ground, and improves the sealing performance of the cold storage door. Attached Figure Description

[0020] Figure 1 This is an overall schematic diagram of a magnetic semi-recessed door hinge for a cold storage facility proposed in this utility model;

[0021] Figure 2This is a schematic diagram of the mounting groove of a magnetic semi-recessed door hinge for a cold storage proposed in this utility model.

[0022] Figure 3 This is a schematic diagram of the interior of the door frame of a magnetic semi-recessed door hinge for a cold storage proposed in this utility model.

[0023] Figure 4 This is a schematic diagram of the shaft of a magnetic semi-recessed door hinge for a cold storage proposed in this utility model;

[0024] Figure 5 This is a schematic diagram of the first and second sliders of a magnetic semi-recessed door hinge for a cold storage proposed in this utility model.

[0025] Figure 6 This is a disassembly diagram of the door frame body and door panel body of a magnetic semi-recessed door hinge for cold storage proposed in this utility model.

[0026] Figure 7 This is a schematic diagram of the door panel and door frame of a magnetic semi-recessed door hinge for a cold storage facility proposed in this utility model.

[0027] In the diagram: 1. Hinge; 2. Door frame body; 3. Door panel body; 4. Mounting groove; 5. Moving block; 6. Connecting hole; 7. Door panel; 8. Door frame; 9. Seal; 10. Shaft; 11. Connecting block; 12. First slot; 13. Second slot; 14. Hexagonal stud; 15. First slider; 16. Second slider; 17. First groove; 18. Second groove; 19. Spring; 20. Limiting groove; 21. Threaded hole; 22. Screw seat; 23. Protective shell; 24. Sealing cap. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] Reference Figures 1 to 7 A magnetic semi-recessed door hinge for cold storage includes a hinge, the hinge comprising a door frame body and a door panel body, each of the door frame body and the door panel body having a plurality of mounting grooves on one side, each of the plurality of mounting grooves having a movable block, each of the door panel body and the door frame body having a plurality of connecting holes on one side, the plurality of connecting holes being connected to the corresponding mounting grooves, and a door panel and a door frame being respectively connected to one side of the door panel body and the door frame body.

[0030] A sealing element is provided on one side of the door frame, and one side of the sealing element is in contact with the door panel. A sealing strip is provided on one side of the door panel. The connecting parts of the door panel and the door frame are directly in contact through the moving block and the hinge. The movement is transmitted to the door panel or door frame through physical squeezing or pushing and pulling, and the tightness of the sealing element is adjusted.

[0031] A shaft is rotatably mounted on the door frame body, and a connecting block is provided on one side of the door panel body. The connecting block is rotatably connected to the shaft, and a floating and sinking closing assembly is provided on the outer periphery of the shaft.

[0032] When in use, this device, by setting mounting grooves and moving blocks on one side of the door frame and door panel, combined with connecting holes and connectors, can precisely adjust the tightness of the seals on the door panel and door frame through direct contact and physical squeezing or pushing and pulling of the moving blocks and connectors, effectively enhancing the sealing performance of the cold storage door and reducing cold air leakage; the rotational connection between the shaft and the connecting block enables flexible opening and closing of the door panel, while the floating opening and sinking closing component ensures that the door panel can operate smoothly during opening and closing, has good automatic reset or sinking closing performance, protects the bottom sealing strip of the door panel from rubbing against the ground, and improves the sealing performance of the cold storage door.

[0033] Furthermore, the movable block has several first slots on one side and several second slots on one side of the inner wall of the mounting groove. The first and second slots engage with each other, and the first slots on one side of the movable block engage with the second slots on the inner wall of the mounting groove. This can stabilize and limit the position of the movable block in the mounting groove, prevent the movable block from sliding accidentally during adjustment or use, ensure the stability of the sealing pressure after adjustment, and further guarantee the sealing effect of the cold storage door.

[0034] Furthermore, several of the first and second slots are serrated. The serrated design of the first and second slots increases the contact area and friction between them, making the engagement more secure and reliable. When adjusting the position of the moving block, more precise gear control can be achieved, making the adjustment of the sealing tightness more accurate. At the same time, it also improves the anti-loosening ability of the moving block during use.

[0035] Furthermore, the connecting component is a bolt. Bolts can be used to connect the door panel body to the door panel and the door frame body to the door frame. The bolt connection has the characteristics of simple structure, firm connection and convenient disassembly. It facilitates the installation, disassembly and maintenance of the door panel, door frame and hinges. At the same time, it can ensure the stability of the connection parts and ensure that the cold storage door will not affect the sealing and opening performance due to loose connection during long-term use.

[0036] Furthermore, the floating-opening and sinking-closing assembly includes two hexagonal studs disposed on the outer periphery of the shaft. A first slider and a second slider are respectively disposed on the adjacent sides of the two hexagonal studs. A first groove is provided on one side of the first slider, and a second groove is provided on one side of the second slider. The first groove and the second groove are adapted to each other. A limiting component is provided at the bottom of the door frame body. The cooperation of the two hexagonal studs, the first slider, the second slider, and the first and second grooves in the floating-opening and sinking-closing assembly, together with the limiting component, can precisely control the angle and position of the door panel during the opening and closing process, realize the smooth floating-opening and sinking-closing action of the door panel, avoid violent collisions or jamming when the door panel is opening and closing, reduce wear on the hinges, door panel, and door frame, extend service life, and at the same time ensure the tightness of the door panel when closed.

[0037] Furthermore, a spring is provided on the outer periphery of the shaft. One end of the spring is connected to the door frame body, and the other end of the spring is connected to one of the hexagonal studs. The spring force can provide assistance or buffer for the opening and closing of the door panel. When the door panel is opened, the spring can store energy to facilitate easy opening of the door panel. When the door panel is closed, the spring releases energy to assist the door panel in achieving automatic reset, which enhances the sealing and reliability of the door panel when closing, and also reduces the impact force when the door panel is closed.

[0038] Furthermore, a limiting groove is provided on one side of the connecting block, which is adapted to a hexagonal stud. During the opening and closing of the door panel, the hexagonal stud can slide or be positioned within the limiting groove, which limits the rotation angle of the door panel and prevents the door panel from being over-opened and closed, thus preventing damage to the hinges, door panel, or door frame. This ensures the safety and stability of the door panel opening and closing, and also allows the floating and sinking closing components to function more precisely.

[0039] Furthermore, the limiting component includes a threaded hole on one side of the door frame body, with a screw seat threaded into the threaded hole. One side of one of the hexagonal studs contacts the top of the screw seat. The screw seat in the threaded hole of the limiting component contacts one side of the hexagonal stud. By rotating the screw seat, its position in the threaded hole can be adjusted, thereby limiting and adjusting the position of the hexagonal stud. This achieves precise adjustment of the working parameters of the floating and sinking closing component to adapt to the opening and closing requirements of the cold storage door under different working conditions, ensuring the accuracy and reliability of the door panel's floating and sinking closing action.

[0040] Furthermore, a protective shell is provided on one side of several mounting slots on one side of the door frame body. The protective shell is connected to the door frame body by screws. A sealing cover is provided on one side of several mounting slots on one side of the door panel body to protect the connectors installed in the mounting slots. The protective shell on the mounting slot side of the door frame body and the sealing cover on the mounting slot side of the door panel body can effectively protect the connectors in the mounting slots, prevent dust, moisture, frost, etc. from entering the mounting slots and corroding or contaminating the connectors, avoid the connectors from being affected by rust or damage, thus extending the service life of the connectors and ensuring the neatness and aesthetics of the overall hinge structure.

[0041] Furthermore, both the door frame body and the door panel body are integrally molded from engineering plastics. Engineering plastics have excellent low-temperature resistance and can maintain stable physical properties in the low-temperature environment of cold storage. They are not prone to embrittlement or cracking due to excessively low temperatures, thus effectively extending the service life of the hinges.

[0042] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A magnetic semi-recessed door hinge for cold storage, comprising a hinge (1), wherein the hinge (1) comprises a door frame body (2) and a door panel body (3), characterized in that: The door frame body (2) and the door panel body (3) are provided with a plurality of mounting grooves (4) on one side, and a movable block (5) is provided in each of the plurality of mounting grooves (4). The door panel body (3) and the door frame body (2) are provided with a plurality of connecting holes (6) on one side, and the plurality of connecting holes (6) are connected to the corresponding mounting grooves (4). The door panel body (3) and the door frame body (2) are respectively connected to a door panel (7) and a door frame (8) on one side. A sealing element (9) is provided on one side of the door frame (8). One side of the sealing element (9) is in contact with the door panel (7). A sealing strip is provided on one side of the door panel (7). The connecting parts of the door panel (7) and the door frame (8) are directly in contact through the moving block (5) and the hinge (1). The movement is transmitted to the door panel (7) or the door frame (8) through physical squeezing or pushing and pulling, and the tightness of the sealing element (9) is adjusted. A shaft (10) is rotatably mounted on the door frame body (2), and a connecting block (11) is provided on one side of the door panel (7) body. The connecting block (11) is rotatably connected to the shaft (10), and a floating opening and sinking closing assembly is provided on the outer periphery of the shaft (10).

2. The magnetic semi-recessed door hinge for cold storage according to claim 1, characterized in that: The movable block (5) has a plurality of first slots (12) on one side, and the mounting groove (4) has a plurality of second slots (13) on one side of its inner wall, and the plurality of first slots (12) and second slots (13) are engaged with each other.

3. The magnetic semi-recessed door hinge for cold storage according to claim 1, characterized in that: Several of the first slots (12) and the second slots (13) are serrated.

4. A magnetic semi-recessed door hinge for cold storage according to claim 2, characterized in that: The connecting component is a bolt, which can be used to connect the door panel body (3) to the door panel (7) and the door frame body (2) to the door frame (8).

5. A magnetic semi-recessed door hinge for cold storage according to claim 1, characterized in that: The floating-opening and sinking-closing assembly includes two hexagonal studs (14) disposed on the outer periphery of the shaft (10). A first slider (15) and a second slider (16) are respectively disposed on the adjacent side of the two hexagonal studs (14). A first groove (17) is provided on one side of the first slider (15), and a second groove (18) is provided on one side of the second slider (16). The first groove (17) and the second groove (18) are adapted to each other. A limiting component is provided at the bottom of the door frame body (2).

6. A magnetic semi-recessed door hinge for cold storage according to claim 1, characterized in that: A spring (19) is provided on the outer periphery of the shaft (10). One end of the spring (19) is connected to the door frame body (2), and the other end of the spring (19) is connected to one of the hexagonal studs (14).

7. A magnetic semi-recessed door hinge for cold storage according to claim 1, characterized in that: A limiting groove (20) is provided on one side of the connecting block (11), and the limiting groove (20) is adapted to the hexagonal stud (14).

8. A magnetic semi-recessed door hinge for cold storage according to claim 1, characterized in that: The limiting component includes a threaded hole (21) on one side of the door frame body (2), and a screw seat (22) is threaded into the threaded hole (21), one side of which of the hexagonal studs (14) contacts the top of the screw seat (22).

9. A magnetic semi-recessed door hinge for cold storage according to claim 1, characterized in that: A protective shell (23) is provided on one side of several mounting slots (4) on one side of the door frame body (2). The protective shell (23) is connected to the door frame body (2) by screws. A sealing cover (24) is provided on one side of several mounting slots (4) on one side of the door panel body (3) to protect the connectors installed in the mounting slots (4).

10. A magnetic semi-recessed door hinge for cold storage according to claim 1, characterized in that: Both the door frame body (2) and the door panel body (3) are integrally molded from engineering plastics.