Refrigeration van door capable of reducing cold air loss
By designing an adjustable door panel structure in the refrigerated car door, and using components such as ball screw pairs and clamping plates, the problem of air-conditioning loss during loading and unloading of goods by existing refrigerated car doors is solved, and the door panels are flexible adjustment and air-conditioning retention are achieved. Improves the practicality of the device.
Patent Information
- Application Number
- CN202421242564.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The existing refrigerated car door needs to be opened entirely when loading and unloading goods, and the door opening size cannot be adjusted according to the use needs, resulting in air conditioning loss and reducing the practicality of the device.
A refrigerated car door including a car body and an adjustment structure is designed. The first door panel and the second door panel connected by a fixed assembly and a sliding connection are realized by using a ball screw pair, a screw nut pair and a clamping plate and other components to achieve the size of the door. The adjustment ensures that the door panel always fits with the main body of the car and reduces air conditioning losses.
It realizes adjusting the door opening size according to usage needs, reducing air conditioning losses, and improving the practicality and cooling effect of the device.
Smart Images

Figure CN222271771U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of refrigerated compartment doors, and in particular, to a refrigerated compartment door capable of reducing cold air loss. Background Art
[0002] A refrigerated truck refers to a closed van transport truck used to maintain the temperature of frozen or fresh goods. The refrigerated compartment is a special cabinet equipped with a refrigeration unit and a polyurethane insulated compartment. It is commonly used to transport frozen foods, dairy products, vegetables and fruits, vaccines and medicines, etc. Most of the existing refrigerated compartments are closed boxes with simple structures, equipped with refrigerators to keep the inside of the box at a low temperature. However, in actual use, the opening and closing of the box door causes the internal temperature to rise rapidly, thus affecting the quality of the goods. It also consumes a lot of energy and is prone to frost, resulting in poor cooling effect.
[0003] In this regard, the Chinese patent application number is CN202120428284.X, which discloses a refrigerated compartment that can reduce the dispersion of cold air, including a refrigerated compartment body, a dehumidification window, a door panel, a sealing gasket, a handle, a fixing rod, a dehumidifier, a baffle, a closing plate, an electromagnet, a guide rod, a slider, a buffer spring, a connecting rod, a buffer plate, a limit ring, an adjustment screw, a turntable, a refrigerator, a top row pipe and an air cooler, which can provide buffering protection for the goods and reduce the dispersion of cold air in the refrigerated compartment.
[0004] The above solution still has the following shortcomings during use: when loading and unloading goods, the car door needs to be completely opened, and it is not easy to adjust the size of the door opening according to the needs of use, which easily causes cold air loss and reduces the practicality of the device. Utility Model Content
[0005] In order to make up for the above shortcomings, the present application provides a refrigerated compartment door that reduces cold air loss, aiming to improve the problem that when loading and unloading goods, the door needs to be opened completely, and it is not easy to adjust the size of the door opening according to usage needs, which easily causes cold air loss and reduces the practicality of the device.
[0006] An embodiment of the present application provides a refrigerated compartment door for reducing cold air loss, including a compartment body and an adjustment structure, the compartment body including a compartment body and a fixing component, the fixing component is arranged on one side of the compartment body, the adjustment structure includes a first door panel and a second door panel, one side of the compartment body is rotatably connected to the first door panel, the second door panel is slidably connected to the first door panel, the first door panel and the second door panel are both fitted with the compartment body, and the fixing component is respectively clamped with the first door panel and the second door panel.
[0007] In a specific implementation scheme, the fixing assembly includes a fixing frame, a ball screw pair, a screw nut pair and two clamping plates, the fixing frame is arranged on one side of the carriage body, the ball screw pair is rotatably connected to the fixing frame, the screw nut pair is connected to the ball screw pair, the two clamping plates are arranged on one side of the screw nut pair, and the clamping plates are clamped to the second door panel.
[0008] In the above implementation process, the positions of the first door panel and the second door panel can be conveniently fixed by providing the fixing frame, the ball screw pair, the screw nut pair and the two clamping plates.
[0009] In a specific embodiment, a handle is provided at one end of the ball screw pair.
[0010] In the above implementation process, by providing a handle at one end of the ball screw pair, the user can conveniently rotate the ball screw pair, saving time and effort.
[0011] In a specific implementation manner, sliding blocks are provided on both sides of the screw nut pair, a sliding groove is provided on the inner wall of the fixed frame, and the sliding blocks are slidably connected to the sliding groove.
[0012] In the above implementation process, the movement of the screw nut pair can be conveniently limited by the sliding connection between the slider and the slide groove.
[0013] In a specific implementation, an L-shaped limiting plate is provided on one side of the carriage body, and the second door panel is in contact with the L-shaped limiting plate.
[0014] In the above implementation process, the position of the second door panel can be conveniently limited by fitting the second door panel with the L-shaped limiting plate.
[0015] In a specific embodiment, a limiting groove is provided on one side of the first door panel, and the second door panel is slidably connected to the limiting groove.
[0016] In the above implementation process, the movement of the second door panel can be conveniently limited by slidingly connecting the second door panel with the limiting groove.
[0017] In a specific implementation manner, a fixed block is provided on one side of the carriage body, and a rotating block is provided on one side of the first door panel, and the rotating block is rotatably connected to the fixed block.
[0018] In the above implementation process, the rotational connection between the rotating block and the fixed block can facilitate the rotational connection between the first door panel and the vehicle body.
[0019] In a specific embodiment, a push-pull rod is provided on one side of the second door panel.
[0020] In the above implementation process, by providing a push-pull rod on one side of the second door panel, it is convenient for the user to open the second door panel.
[0021] Compared with the prior art, the present application has the following beneficial effects: the first door panel and the second door panel are connected to the vehicle body through a fixing assembly, and the second door panel slides inside the first door panel, which facilitates the adjustment of the door opening size according to usage requirements. At the same time, the first door panel and the second door panel are always in contact with the vehicle body, which can conveniently reduce the loss of cold air and improve the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.
[0023] Figure 1 It is a schematic diagram of a refrigerated compartment door structure for reducing cold air loss provided by an embodiment of the present application;
[0024] Figure 2 A schematic diagram of a top view structure of a refrigerated compartment door for reducing cold air loss provided in an embodiment of the present application;
[0025] Figure 3 A schematic diagram of a cross-sectional structure of a fixing assembly provided in an embodiment of the present application;
[0026] Figure 4 A schematic diagram of the cross-sectional structure of the regulating structure provided in an embodiment of the present application.
[0027] In the figure: 10-carriage body; 110-carriage body; 120-fixed assembly; 121-fixed frame; 122-ball screw pair; 123-screw nut pair; 124-clamping plate; 130-slider; 140-L-shaped limit plate; 150-fixed block; 160-rotating block; 20-adjusting structure; 210-first door panel; 220-second door panel; 230-limiting groove. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.
[0029] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0030] Example
[0031] See also Figure 1 The present application provides a refrigerated compartment door for reducing cold air loss, including a compartment body 10 and an adjustment structure 20.
[0032] Specifically, the adjustment structure 20 facilitates adjusting the size of the door opening according to usage requirements, thereby reducing the loss of cold air and improving the practicality of the device.
[0033] See also Figure 1 , Figure 2 and Figure 3 The carriage body 10 includes a carriage body 110 and a fixing assembly 120 , and the fixing assembly 120 is arranged on one side of the carriage body 110 .
[0034] In a specific configuration, a handle is provided at one end of the ball screw pair 122 , wherein by providing a handle at one end of the ball screw pair 122 , it is convenient for the user to rotate the ball screw pair 122 , saving time and effort.
[0035] In the specific setting, sliders 130 are provided on both sides of the screw nut pair 123, and a sliding groove is opened on the inner wall of the fixed frame 121. The slider 130 is slidably connected to the sliding groove. The sliding connection between the slider 130 and the sliding groove can conveniently limit the movement of the screw nut pair 123.
[0036] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The adjustment structure 20 includes a first door panel 210 and a second door panel 220. The first door panel 210 is rotatably connected to one side of the carriage body 110. The second door panel 220 is slidably connected to the first door panel 210. The first door panel 210 and the second door panel 220 are both fitted with the carriage body 110. The fixing assembly 120 is respectively clamped with the first door panel 210 and the second door panel 220.
[0037] In the specific setting, the fixing assembly 120 includes a fixing frame 121, a ball screw pair 122, a screw nut pair 123 and two clamping plates 124, the fixing frame 121 is arranged on one side of the carriage body 110, the ball screw pair 122 is rotatably connected to the fixing frame 121, the screw nut pair 123 is connected to the ball screw pair 122, and the two clamping plates 124 are arranged on one side of the screw nut pair 123, and the clamping plates 124 are clamped with the second door panel 220, wherein, through the setting of the fixing frame 121, the ball screw pair 122, the screw nut pair 123 and the two clamping plates 124, the positions of the first door panel 210 and the second door panel 220 can be conveniently fixed.
[0038] In the specific setting, an L-shaped limiting plate 140 is provided on one side of the carriage body 110, and the second door panel 220 is fitted with the L-shaped limiting plate 140, wherein the position of the second door panel 220 can be conveniently limited by fitting the second door panel 220 with the L-shaped limiting plate 140.
[0039] In a specific configuration, a limiting groove 230 is provided on one side of the first door panel 210, and the second door panel 220 is slidably connected to the limiting groove 230, wherein the movement of the second door panel 220 can be conveniently limited by the sliding connection between the second door panel 220 and the limiting groove 230.
[0040] In the specific setting, a fixed block 150 is provided on one side of the car body 110, and a rotating block 160 is provided on one side of the first door panel 210. The rotating block 160 is rotatably connected to the fixed block 150. The rotatable connection between the rotating block 160 and the fixed block 150 can facilitate the rotatable connection between the first door panel 210 and the car body 110.
[0041] In a specific configuration, a push-pull rod is provided on one side of the second door panel 220 , wherein by providing the push-pull rod on one side of the second door panel 220 , it is convenient for a user to open the second door panel 220 .
[0042] The working principle of the refrigerated compartment door for reducing cold air loss is as follows: when the refrigerated compartment door for reducing cold air loss is used, the ball screw pair 122 is driven to rotate by turning the handle, so that the screw nut pair 123 and the two clamping plates 124 move, so that the clamping plates 124 are released from the clamping connection with the second door panel 220. At this time, according to the use requirements, the push-pull rod is pulled to drive the second door panel 220 to slide in the first door panel 210, so as to facilitate the adjustment of the size of the door opening. At the same time, the first door panel 210 and the second door panel 220 are always in contact with the compartment body 110, which can conveniently reduce the loss of cold air and improve the practicality of the device. When the second door panel 220 slides to the bottom of the first door panel 210, the L-shaped limit plate 140 is released from the contact with the second door panel 220. By rotating the first door panel 210, it is convenient to completely open the door panel, thereby improving the practicality of the device.
[0043] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.
Claims
1. A refrigerated compartment door for reducing cold air loss, characterized in that: include A carriage body (10), the carriage body (10) comprising a carriage body (110) and a fixing assembly (120), the fixing assembly (120) being arranged on one side of the carriage body (110); The adjusting structure (20) comprises a first door panel (210) and a second door panel (220), wherein the first door panel (210) is rotatably connected to one side of the carriage body (110), and the second door panel (220) is slidably connected to the first door panel (210), and the first door panel (210) and the second door panel (220) are both fitted to the carriage body (110), and the fixing assembly (120) is respectively engaged with the first door panel (210) and the second door panel (220).
2. A refrigerated compartment door for reducing cold air loss according to claim 1, characterized in that: The fixing assembly (120) comprises a fixing frame (121), a ball screw pair (122), a screw nut pair (123) and two clamping plates (124); the fixing frame (121) is arranged on one side of the carriage body (110); the ball screw pair (122) is rotatably connected to the fixing frame (121); the screw nut pair (123) is connected to the ball screw pair (122); the two clamping plates (124) are arranged on one side of the screw nut pair (123); and the clamping plates (124) are clamped to the second door panel (220).
3. A refrigerated compartment door for reducing cold air loss according to claim 2, characterized in that: A handle is provided at one end of the ball screw pair (122).
4. A refrigerated compartment door for reducing cold air loss according to claim 2, characterized in that: Slide blocks (130) are provided on both sides of the screw nut pair (123); a slide groove is provided on the inner wall of the fixed frame (121); and the slide block (130) is slidably connected to the slide groove.
5. The refrigerated compartment door for reducing cold air loss according to claim 1, characterized in that: An L-shaped limiting plate (140) is provided on one side of the carriage body (110), and the second door panel (220) is in contact with the L-shaped limiting plate (140).
6. A refrigerated compartment door for reducing cold air loss according to claim 1, characterized in that: A limiting groove (230) is provided on one side of the first door panel (210), and the second door panel (220) is slidably connected to the limiting groove (230).
7. A refrigerated compartment door for reducing cold air loss according to claim 1, characterized in that: A fixed block (150) is disposed on one side of the carriage body (110), and a rotating block (160) is disposed on one side of the first door panel (210), wherein the rotating block (160) is rotatably connected to the fixed block (150).
8. The refrigerated compartment door for reducing cold air loss according to claim 1, characterized in that: A push-pull rod is provided on one side of the second door panel (220).