Carriage door structure for refrigerator car

Abstract

The utility model provides a compartment door structure for a refrigerator car, and belongs to the technical field of refrigerator cars. The compartment door structure for the refrigerator car comprises a compartment body and a fixing structure, the compartment body comprises a compartment main body and two compartment doors, the two compartment doors are hinged to the compartment main body, the fixing structure comprises a rotating shaft, a ball screw pair, a lead screw nut pair and a limiting plate, the rotating shaft is connected with the ball screw pair, and the lead screw nut pair is connected with the limiting plate. The compartment door is arranged on the compartment body, the ball screw pair is rotationally connected with the compartment door, the screw nut pair is connected with the ball screw pair, the limiting plate is connected with the screw nut pair, and the limiting plate is connected with the compartment body in a clamped mode. According to the compartment door structure for the refrigerator car, when the compartment doors are opened conveniently, the two compartment doors are fixed to the two sides of the compartment body correspondingly, obstruction caused during use is avoided, and the practicability of the device is improved.

Description

Technical Field

[0001] The present application relates to the field of refrigerated trucks, and in particular, to a compartment door structure for refrigerated trucks. Background Art

[0002] Energy-saving refrigerated trucks are mainly used to transport perishable goods such as meat, fruit and seafood. Refrigerated trucks consist of a vehicle body, a refrigerated compartment and an energy-saving refrigeration device. The refrigerated compartment is fixedly connected to the vehicle body, and the energy-saving refrigeration device is installed in the refrigerated compartment.

[0003] When the existing refrigerated trucks are in use, it is not easy to lift meat with a large mass. In this regard, the Chinese patent application number is CN202120623343.9, which discloses a refrigerated compartment for energy-saving refrigerated trucks, including a refrigerated compartment body, a meat hanging device and a lifting member, wherein the meat hanging device is arranged at the top of the refrigerated compartment body, and the lifting member is arranged in the refrigerated compartment body, and the lifting member is used to lift the meat. This application sets a lifting member in the refrigerated compartment body, and when hanging a large mass of meat in the refrigerated compartment body, the lifting member is used to lift the meat, thereby reducing the laborious situation of the staff lifting the meat, thereby achieving the effect of facilitating the staff to hang the large mass of meat in the refrigerated compartment body.

[0004] The above scheme still has the following shortcomings during use: when the user is carrying goods, the open door is likely to cause obstruction and is not easy to fix. At the same time, the open door occupies a large space on both sides, making it difficult for other vehicles to pass, thereby reducing the practicality of the device. Utility Model Content

[0005] In order to remedy the above shortcomings, the present application provides a compartment door structure for a refrigerated truck, which aims to improve the problem that the open compartment door is easy to cause obstruction and is not easy to fix when the user is transporting goods. At the same time, the open compartment door occupies a large space on both sides, which is not easy for other vehicles to pass, thereby reducing the practicality of the device.

[0006] An embodiment of the present application provides a compartment door structure for a refrigerated vehicle, comprising a compartment body and a fixed structure, wherein the compartment body comprises a compartment body and two compartment doors, wherein the two compartment doors are hinged to the compartment body, and the fixed structure comprises a rotating shaft, a ball screw pair, a screw nut pair and a limit plate, wherein the rotating shaft is connected to the ball screw pair, the ball screw pair is rotationally connected to the compartment door, the screw nut pair is connected to the ball screw pair, the limit plate is connected to the screw nut pair, and the limit plate is clamped to the compartment body.

[0007] In a specific implementation, a sealing ring is provided on one side of the carriage body, and the carriage door is in contact with the sealing ring.

[0008] In the above implementation process, by fitting the compartment door with the sealing ring, the sealing performance can be easily improved, the loss of cold air can be reduced, and more energy-saving can be achieved.

[0009] In a specific embodiment, the sealing ring is connected to the carriage body via a screw.

[0010] In the above implementation process, the sealing ring can be easily disassembled, assembled and replaced by means of the setting of the screw.

[0011] In a specific implementation manner, a first card slot and a second card slot are respectively opened on one side of the carriage body, and the limiting plate is respectively engaged with the first card slot and the second card slot.

[0012] In the above implementation process, the limiting plates are respectively engaged with the first card slot and the second card slot, so that the two compartment doors can be easily closed. At the same time, when the compartment doors are opened, the two compartment doors can be fixed on both sides of the compartment body respectively to avoid obstruction during use, thereby improving the practicality of the device.

[0013] In a specific embodiment, the outer ring of the rotating shaft is uniformly provided with grooves.

[0014] In the above implementation process, by evenly providing grooves on the outer ring of the rotating shaft, the friction force can be increased, making it convenient for the user to rotate the rotating shaft.

[0015] In a specific implementation scheme, a sliding block is provided on one side of the screw nut pair, a sliding groove is provided on the door, and the sliding block is slidably connected to the sliding groove.

[0016] 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.

[0017] In a specific implementation, a rotating shaft is provided in the compartment door, and the rotating shaft is rotatably connected to the compartment body.

[0018] In the above implementation process, the rotational connection between the door and the carriage body is facilitated by the rotational connection between the shaft and the carriage body.

[0019] In a specific implementation manner, bearings are embedded on both sides of the carriage body, and the rotating shaft is interference fit with the inner ring of the bearing.

[0020] In the above implementation process, the loss caused by the rotation can be easily reduced through the interference fit between the rotating shaft and the inner ring of the bearing.

[0021] Compared with the prior art, the beneficial effects of the present application are as follows: the ball screw pair is driven to rotate by rotating the rotating shaft, so that the screw nut pair and the limit plate move, and the two compartment doors can be conveniently closed by clamping the limit plate with the compartment body. At the same time, when opening the compartment doors, the two compartment doors can be fixed on both sides of the compartment body respectively to avoid obstruction during use, thereby improving the practicality of the device. Through the setting of the sealing ring, the sealing performance can be conveniently improved, the loss of cold air can be reduced, and it is more energy-saving. 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 cross-sectional structure of a compartment door structure for a refrigerated vehicle provided in an embodiment of the present application;

[0024] Figure 2 A schematic diagram of a side view of a compartment door structure for a refrigerated vehicle provided in an embodiment of the present application;

[0025] Figure 3 A schematic diagram of the main structure of a compartment door structure for a refrigerated vehicle provided in an embodiment of the present application;

[0026] Figure 4 This is a schematic diagram of the cross-sectional structure of the carriage body provided in an embodiment of the present application.

[0027] In the figure: 10-carriage body; 110-carriage body; 120-carriage door; 130-sealing ring; 140-first slot; 150-second slot; 160-rotating shaft; 20-fixed structure; 210-rotating shaft; 220-ball screw pair; 230-lever nut pair; 240-limiting plate; 250-slider. 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 compartment door structure for a refrigerated vehicle, including a compartment body 10 and a fixing structure 20.

[0032] Specifically, the fixing structure 20 facilitates closing the two compartment doors 120 and conveniently fixes the two compartment doors 120 on both sides of the compartment body 110 when opening the compartment doors 120, thereby avoiding obstruction during use and improving the practicality of the device.

[0033] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The carriage body 10 includes a carriage body 110 and two doors 120 , and the two doors 120 are hinged to the carriage body 110 .

[0034] In the specific setting, a sealing ring 130 is provided on one side of the car body 110, and the car door 120 is fitted with the sealing ring 130. The fitting of the car door 120 with the sealing ring 130 can conveniently improve the sealing performance, reduce the loss of cold air, and save more energy.

[0035] In a specific configuration, the sealing ring 130 is connected to the carriage body 110 via a screw, wherein the setting of the screw facilitates the disassembly, assembly and replacement of the sealing ring 130 .

[0036] In a specific configuration, a rotating shaft 160 is provided in the compartment door 120 , and the rotating shaft 160 is rotationally connected to the compartment body 110 , wherein the rotating connection between the compartment door 120 and the compartment body 110 can be facilitated by the rotating shaft 160 and the compartment body 110 .

[0037] In a specific configuration, bearings are embedded on both sides of the carriage body 110, and the rotating shaft 160 is interference fit with the inner ring of the bearing. The interference fit between the rotating shaft 160 and the inner ring of the bearing can conveniently reduce the loss caused by the rotation.

[0038] See also Figure 1 The fixed structure 20 includes a rotating shaft 210, a ball screw pair 220, a screw nut pair 230 and a limit plate 240. The rotating shaft 210 is connected to the ball screw pair 220, the ball screw pair 220 is rotationally connected to the compartment door 120, the screw nut pair 230 is connected to the ball screw pair 220, the limit plate 240 is connected to the screw nut pair 230, and the limit plate 240 is clamped with the compartment body 110.

[0039] In the specific setting, the first card slot 140 and the second card slot 150 are respectively opened on one side of the car body 110, and the limiting plate 240 is respectively engaged with the first card slot 140 and the second card slot 150. Among them, by respectively engaging the limiting plate 240 with the first card slot 140 and the second card slot 150, the two car doors 120 can be conveniently closed, and at the same time, when the car doors 120 are opened, the two car doors 120 can be fixed on both sides of the car body 110 respectively, avoiding obstruction during use, thereby improving the practicability of the device.

[0040] In a specific configuration, grooves are evenly formed on the outer ring of the rotating shaft 210 . By evenly forming grooves on the outer ring of the rotating shaft 210 , the friction force can be increased, making it easier for the user to rotate the rotating shaft 210 .

[0041] In the specific setting, a slider 250 is provided on one side of the screw nut pair 230, and the compartment door 120 is provided with a slide groove, and the slider 250 is slidably connected to the slide groove. The sliding connection between the slider 250 and the slide groove can conveniently limit the movement of the screw nut pair 230.

[0042] The working principle of the refrigerated vehicle door structure is as follows: when the refrigerated vehicle door structure is used, the ball screw pair 220 is driven to rotate by rotating the rotating shaft 210, so that the screw nut pair 230 and the limit plate 240 move. The limit plate 240 is engaged with the first slot 140 to facilitate closing the two doors 120. The limit plate 240 is engaged with the second slot 150 to facilitate fixing the two doors 120 on both sides of the vehicle body 110 when opening the doors 120, thereby avoiding obstruction during use and improving the practicability of the device. The setting of the sealing ring 130 can facilitate improving the sealing, reduce the loss of cold air, and save more energy.

[0043] It should be noted that the specific model and specifications of the carriage body 110 need to be selected and determined based on the actual specifications of the device, and the specific selection and calculation method adopts the existing technology in the field, so it will not be described in detail.

[0044] The power supply of the carriage body 110 and its principle are clear to those skilled in the art and will not be described in detail here.

[0045] 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 door structure for a refrigerated vehicle, characterized in that: include A carriage body (10), the carriage body (10) comprising a carriage body (110) and two carriage doors (120), the two carriage doors (120) being hinged to the carriage body (110); A fixed structure (20), the fixed structure (20) comprising a rotating shaft (210), a ball screw pair (220), a screw nut pair (230) and a limit plate (240), the rotating shaft (210) being connected to the ball screw pair (220), the ball screw pair (220) being rotationally connected to the compartment door (120), the screw nut pair (230) being connected to the ball screw pair (220), the limit plate (240) being connected to the screw nut pair (230), and the limit plate (240) being clamped to the compartment body (110).

2. A refrigerated vehicle door structure according to claim 1, characterized in that: A sealing ring (130) is provided on one side of the carriage body (110), and the carriage door (120) is in close contact with the sealing ring (130).

3. A refrigerated vehicle door structure according to claim 2, characterized in that: The sealing ring (130) is connected to the carriage body (110) via a screw.

4. A refrigerated vehicle door structure according to claim 1, characterized in that: A first card slot (140) and a second card slot (150) are respectively provided on one side of the carriage body (110), and the limit plate (240) is respectively engaged with the first card slot (140) and the second card slot (150).

5. The door structure for a refrigerated vehicle according to claim 1, characterized in that: The outer ring of the rotating shaft (210) is evenly provided with grooves.

6. The door structure for a refrigerated vehicle according to claim 1, characterized in that: A sliding block (250) is provided on one side of the lead screw nut pair (230), a sliding groove is provided on the compartment door (120), and the sliding block (250) is slidably connected to the sliding groove.

7. The door structure for a refrigerated vehicle according to claim 1, characterized in that: A rotating shaft (160) is disposed in the compartment door (120), and the rotating shaft (160) is rotatably connected to the compartment body (110).

8. The door structure for a refrigerated vehicle according to claim 7, characterized in that: Bearings are embedded on both sides of the carriage body (110), and the rotating shaft (160) is interference-fitted with the inner ring of the bearing.

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