Safety door structure of cold storage
The cold storage safety door structure, with its electric drive gear transmission system and built-in controller, solves the problems of laborious and inconvenient operation of cold storage doors in low-temperature environments, enabling fast and safe door operation.
Patent Information
- Application Number
- CN202423215704.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing cold storage doors are difficult and cumbersome to open and close in low-temperature environments, making them slow to open and insufficient in terms of safety.
The system employs an electric drive gear transmission system, with the opening and closing of the door controlled by the first and second controllers located outside and inside the cold storage, respectively. The second controller is equipped with a thermostat and a protective housing to prevent malfunction, and has a built-in button structure for emergency door opening.
It enables quick opening and closing of doors without manual intervention, improving the safety and ease of use of cold storage doors, especially in low-temperature environments where they can be quickly opened in emergencies.
Smart Images

Figure CN223564556U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cold storage structure technical field especially relates to a cold storage safety door structure. BACKGROUND
[0002] The cold storage is a kind of large refrigeration facilities, can be used in food processing, pharmaceutical, scientific experiment etc. Cold storage generally has larger storage inner storehouse, personnel can enter cold storage and take or place frozen product, but there is also security risk, therefore, the door of cold storage in the prior art is usually designed safety structure, it is convenient for personnel in cold storage to save oneself. However, the cold storage door in the prior art is locked by locking pin etc., and it needs great strength to open the cold storage door, the physical fitness of human body is reduced under low temperature environment, it is not only laborious to open and close door, and the action needed to open door is more, cannot quickly open the cold storage door, and the safety is insufficient, and in view of this, the inventor makes new invention. CONTENT OF UTILITY MODEL
[0003] The utility model is lack of prior art, provide a kind of cold storage safety door structure, it has the advantage of electric drive quick opening and closing door.
[0004] To achieve the above object, a kind of cold storage safety door structure of the utility model, including the body of cold storage, the body is provided with door frame and door panel, the side of door frame is provided with first shaft sleeve, and the door panel is provided with the second shaft sleeve that is positioned with first shaft sleeve connection, the top of door frame is provided with sector shell, and the bottom of sector shell is provided with guide port, the top of door panel is provided with the positioning column that can be active in guide port, and the top of positioning column is provided with arc rack, the inside of sector shell is provided with the sliding slot of supporting arc rack, and the inside of sector shell is further provided with driving device, and driving device is provided with the power gear that is engaged with arc rack, the outside and the inside of the body are provided with the first controller and the second controller respectively, the second controller is provided with thermostat below, the second controller is provided with protective shell outside, and the side of protective shell is provided with handle.
[0005] Further, the positioning column is provided with a protective strip located below the guide port.
[0006] Preferably, the sector shell is provided below with a positioning frame for supporting the protective strip.
[0007] Further, the sliding slot is provided with a rotating shaft abutting against the outer side of the arc rack.
[0008] Further, a rotating rod is provided between the driving device and the power gear, and a fixed seat is provided in the sector shell, and the rotating rod is movably connected with the fixed seat.
[0009] Further, the protective shell is provided with an isolation layer inside.
[0010] Further, the second controller is a button type structure.
[0011] Further, one side of the first controller is provided with a plurality of control keys.
[0012] Advantages: compared with the prior art, the cold storage safety door structure of the utility model, including the cold storage body, the door frame and the door plate of the cold storage body, the upper part of the door frame is provided with a fan-shaped shell, the bottom of the fan-shaped shell is provided with a guide hole, the top of the door plate is provided with a positioning column, the top of the positioning column is provided with an arc gear rack, the inside of the fan-shaped shell is provided with a driving device, the driving device is provided with a power gear, the outside and the inside of the cold storage body are respectively provided with a first controller and a second controller which can control the driving device, the lower part of the second controller is provided with a thermostat, and the outside of the second controller is provided with a protective shell; the utility model has the following advantages: 1, the door is opened and closed through the electric driving gear transmission mode, manpower is not needed to push the door, and the utility model is convenient to use; 2, the second controller is located in the cold storage, has the anti-freezing performance, and the door can be opened from the inside of the cold storage, and the safety is high. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is a partial structure schematic view of the cold storage body of the utility model.
[0014] Fig. 2 It is a door frame and fan-shaped shell structure schematic view of the utility model.
[0015] Fig. 3 It is a door plate and arc gear structure schematic view of the utility model.
[0016] Fig. 4 It is a protective shell structure schematic view of the utility model.
[0017] The attached drawings include:
[0018] The cold storage body is 1, the door frame is 11, the first shaft sleeve is 12, the shaft hole is 13, the first controller is 14, the second controller is 15, the thermostat is 151, the protective shell is 16, the handle is 161, the isolation layer is 17, the control key is 18, the door plate is 2, the second shaft sleeve is 21, the positioning column is 22, the arc gear rack is 23, the protective strip is 24, the fan-shaped shell is 3, the guide hole is 31, the sliding groove is 32, the positioning frame is 33, the rotating shaft is 34, the fixed seat is 35, the driving device is 4, the power gear is 41, and the rotating rod is 42. DETAILED DESCRIPTION
[0019] The utility model will be explained in detail in combination with the attached Figs. 1 to 4 The utility model is explained in detail.
[0020] The utility model discloses a cold storage safety door structure, including the library body 1 of cold storage, the library body 1 is provided with door frame 11 and door board 2, one side of door frame 11 is provided with first shaft sleeve 12, and door board 2 is provided with the second shaft sleeve 21 of first shaft sleeve 12 positioning connection, and the middle part of first shaft sleeve 12 and second shaft sleeve 21 all is provided with shaft hole 13, and the door of cold storage is opened and closed, and door board 2 carries out sector swing with shaft hole 13 as the pivot, the top of door frame 11 is provided with sector shell 3, and sector shell 3 bottom is provided with guide port 31, and guide port 31 is arc, and the top of door board 2 is provided with the positioning column 22 of movable in guide port 31, and the top of positioning column 22 is provided with arc rack 23, the inside of sector shell 3 is provided with the sliding slot 32 of supporting arc rack 23, and sector shell 3 inside is also provided with drive arrangement 4, and drive arrangement 4 is provided with the power gear 41 of meshing with arc rack 23, and drive arrangement 4 is power motor, and drive arrangement 4 drives power gear 41 rotation, makes arc rack 23 slide in sliding slot 32, and further makes door board 2 movable, and opens the door and closes the door through the mode of electric drive gear transmission, does not need manpower to push the door, and convenient to use.The outside and the inside of library body 1 are provided with first controller 14 and second controller 15 respectively, and the first controller 14 is arranged at the outside of cold storage, and the second controller 15 is arranged at the inside of cold storage, and the second controller 15 has anti-freezing performance, and can open the door from the inside of cold storage, specifically, the second controller 15 below is provided with thermostat 151, and the outside of second controller 15 is provided with protective shell 16, and protective shell 16 can cover second controller 15 and thermostat 151, and thermostat 151 can release heat, avoids the malfunction of second controller 15 under low temperature, and one side of protective shell 16 is provided with handle 161.When the door of cold storage is accidentally closed, the personnel in the cold storage can take down protective shell 16 by hand handle 161, then operates second controller 15 to open door board 2, prevents the personnel from being locked in the cold storage, and the safety is high.
[0021] The positioning column 22 is provided with the protective strip 24 below the guide port 31. The length and width of the protective strip 24 are greater than the length and width of the guide port 31. After the door of the cold storage is closed, the protective strip 24 can close the guide port 31, avoid too much cold air from entering the sector shell 3, and prevent damage to the drive device 4.
[0022] The sector shell 3 is provided below with a positioning frame 33 for supporting the protective strip 24. The positioning frame 33 can position the protective strip 24, avoid the gap between the protective strip 24 and the guide port 31, and have high stability.
[0023] The sliding groove 32 is provided with a rotating shaft 34 abutting against the outer side of the arc-shaped rack 23. The power gear 41 drives the arc-shaped gear to displace when rotating. In this process, the power gear 41 exerts an outward pushing force on the arc-shaped gear due to the inclined edges of the gear teeth. The rotating shaft 34 abuts against the outer side of the arc-shaped gear, and the rotating shaft 34 rotates when the arc-shaped gear displaces, thereby offsetting the pushing force exerted by the power gear 41 on the arc-shaped gear.
[0024] The driving device 4 is provided with a rotating rod 42 between the power gear 41, and the fan-shaped housing 3 is provided with a fixing seat 35, and the rotating rod 42 is movably connected with the fixing seat 35. The door plate 2 has the functions of explosion-proof and cold-proof, and the weight of the door plate 2 is usually large. The driving device 4 needs to provide large power to drive the power gear 41 to rotate, so as to ensure that the door can be stably opened and closed. The fixing seat 35 can improve the stability of the driving device 4 and prevent the driving device 4 from being misaligned.
[0025] The protective shell 16 is internally provided with an isolation layer 17. The isolation layer 17 is made of foam material, which further improves the cold air isolation capacity of the protective shell 16.
[0026] In terms of safety, the second controller 15 is of a key type in the scheme. The second controller 15 can only be used to open the door. When the door plate 2 is in an open state, the second controller 15 cannot be used to close the door. The key type second controller 15 can improve the emergency capability. The personnel in the cold storage can quickly open the door plate 2 by pressing the second controller 15 with one hand.
[0027] The first controller 14 is provided with a plurality of control keys 18 on one side. The second controller 15 is a box type display, which can be used to display the torque of the driving device 4 for opening and closing the door, the temperature of the thermostat 151, and the average temperature in the cold storage. In the scheme, the control keys 18 include an opening key, a closing key, a function key for adjusting the thermostat 151, and a locking key for locking the door plate 2 in an open state. The functions are various and the operation is convenient.
[0028] The above is only a preferred embodiment of the present application. For those skilled in the art, according to the idea of the present application, the specific implementation manner and application range can be changed. The content of the specification should not be understood as a limitation of the present application.
Claims
1. A cold storage safety door structure comprising a cold storage body (1), characterized in that: The library body (1) is provided with a door frame (11) and a door plate (2), one side of the door frame (11) is provided with a first shaft sleeve (12), the door plate (2) is provided with a second shaft sleeve (21) which is positioned and connected with the first shaft sleeve (12), a sector-shaped casing (3) is arranged above the door frame (11), the sector-shaped casing (3) is provided with a guide opening (31) at the bottom, the top of the door plate (2) is provided with a positioning column (22) which can move in the guide opening (31), the top of the positioning column (22) is provided with an arc-shaped rack (23), the inside of the sector-shaped casing (3) is provided with a sliding groove (32) for supporting the arc-shaped rack (23), the inside of the sector-shaped casing (3) is further provided with a driving device (4), the driving device (4) is provided with a power gear (41) which is engaged with the arc-shaped rack (23), the outer surface and the inner surface of the library body (1) are respectively provided with a first controller (14) and a second controller (15) which can control the driving device (4), the second controller (15) is provided below with a thermostat (151), the second controller (15) is provided outside with a protective shell (16), one side of the protective shell (16) is provided with a handle (161).
2. The cold storage safety door structure according to claim 1, characterized in that: The positioning column (22) is provided with a protective strip (24) below the guide opening (31).
3. The cold storage safety door structure according to claim 2, characterized in that: The sector-shaped casing (3) is provided below with a positioning frame (33) for supporting the protective strip (24).
4. The cold storage safety door structure according to claim 1, characterized in that: The sliding groove (32) is provided with a rotating shaft (34) which abuts against the outer side of the arc-shaped rack (23).
5. The cold storage safety door structure according to claim 1, characterized in that: The driving device (4) is provided with a rotating rod (42) between the driving device (4) and the power gear (41), the sector-shaped casing (3) is provided with a fixed seat (35), and the rotating rod (42) is movably connected with the fixed seat (35).
6. The cold storage safety door structure according to claim 1, characterized in that: The inside of the protective shell (16) is provided with an isolation layer (17).
7. The cold storage safety door structure according to claim 1, characterized in that: The second controller (15) is of a key type structure.
8. The cold storage safety door structure according to any one of claims 1-7, characterized in that: One side of the first controller (14) is provided with a plurality of control keys (18).