WO2022262137A1

WO2022262137A1 - Multi-space cold chain transportation carriage based on refrigeration at different temperatures

Info

Publication number: WO2022262137A1
Application number: PCT/CN2021/119004
Authority: WO
Inventors: 杨兴国; 金鑫; 赵小强; 齐文俊; 孙自玮
Original assignee: 苏州冠科工业设备有限公司
Priority date: 2021-06-18
Filing date: 2021-09-17
Publication date: 2022-12-22
Also published as: CN113371077A; CN113371077B

Abstract

A multi-space cold chain transportation carriage based on refrigeration at different temperatures, comprising a refrigerator, a carriage (1), two doors (2), a processor (3), and a plurality of temperature sensors (4). The refrigerator comprises a compressor outdoor unit (5) and an air outlet indoor unit (6). A thermal insulation protective cover (7) is fixedly connected to an outer side of the carriage (1). One side of the thermal insulation protective cover (7) is provided with a plurality of transfer tubes (8). One side of the carriage (1) is provided with a plurality of air outlet holes, and the transfer tubes (8) are all fixed in the air outlet holes. One side of the carriage (1) is provided with a plurality of air return holes, and the transfer tubes (8) are all fixed in the air return holes. An automatic flow control device is arranged on the inner side of each transfer tube (8).

Description

A multi-space cold chain transport compartment based on refrigeration at different temperatures

technical field

The invention relates to the technical field of automobile transportation, in particular to a multi-space cold chain transport compartment based on refrigeration at different temperatures.

Background technique

Road transport is a mode of transport for transporting passengers and goods on roads. It is one of the components of the transportation system. Mainly undertake short-distance passenger and cargo transportation. The means of transportation used in modern times are mainly automobiles. Refrigerated trucks refer to closed van transport vehicles used to maintain the temperature of frozen or fresh goods. Refrigerated vehicles are refrigerated special transport vehicles equipped with refrigeration units of refrigeration units and polyurethane insulated compartments. Refrigerated vehicles can be classified according to the manufacturer, chassis carrying capacity, and compartment type. The current cold chain compartment has a cooling function.

Although the cold chain car in the prior art has the function of cooling, there is only a single space inside it, resulting in only one temperature in the whole car, so that it can only transport one kind of goods. When it is necessary to transport small batches of goods of various types When it is used, it cannot meet the requirements of use, and there is no multi-space and multi-type transportation function. Therefore, we propose a multi-space cold chain transport car based on refrigeration at different temperatures to solve the above problems.

Contents of the invention

The purpose of the present invention is to solve the problems existing in the prior art. Although the cold chain compartment in the prior art has a refrigeration function, there is only a single space inside, so that there is only one temperature in the entire compartment, so that it can only transport one kind of goods. , when it is necessary to transport small batches and various types of goods at the same time, it cannot meet the requirements of use, and there is no shortcoming of multi-space and multi-type transportation functions. A multi-space cold chain transport compartment based on refrigeration at different temperatures is proposed.

In order to achieve the above object, the present invention adopts the following technical solutions:

Design a multi-space cold chain transport compartment based on refrigeration at different temperatures, including a refrigerator, a compartment, two doors, a processor, and several temperature sensors. The refrigerator includes a compressor external unit and an air outlet internal unit. The external unit is fixed on the outer side of the compartment, the air outlet internal unit is fixed on the inner side of the compartment, the two doors can be rotatably connected to the outer side of the compartment, and the processor needs to be connected to an external power supply through wires. The processor is fixed on the outer side of the compartment, and several temperature sensors are fixedly connected on the inner side of the compartment, and the temperature sensors are all electrically connected to the processor through wires, and the fixed connection device on the outer side of the compartment There is a heat preservation protective cover, and a number of transfer pipes are arranged on one side of the heat preservation protective cover. The transfer pipes are all U-shaped structures, and a number of air outlets are arranged on one side of the carriage, and the transfer pipes are all fixed in the air outlets. There are several air return holes on one side of the carriage, and the transfer pipes are all fixed in the return air holes. The inner side of the transfer pipes is equipped with an automatic flow control device, and the side of the transfer pipes is equipped with an A partition door and a B partition door. The A partition door and the B partition door are rotatably connected to the inner side of the compartment through hinges. A door lock device is provided between the A partition door and the B partition door, and a door lock device is provided on one side of the B partition door. There is a connecting groove, and one side of the A partition door is fixed with a retaining bar, and the retaining bar can be detachably connected to the inner side of the connecting groove, and the A partition door and the B partition door are provided with a fixing strip on one side. The fixing strips are all fixed on the inner side of the compartment, and one side of the fixing strips is fixed with a sealing gasket, and the outer sides of the A partition door and the B partition door are all provided with U-shaped grooves, and the inner sides of the U-shaped grooves are fixed with U-shaped grooves. type seal.

Preferably, the automatic flow control device includes a first slider and a second slider, both of which can be slidably connected to the inner side of the transfer tube, and the inner side of the transfer tube is slidably provided with Lifting parts, one side of the first sliding part and the second sliding part can be rotatably connected with a flow control part, and the other side of the flow control part can be rotatably connected to the outer side of the lifting part, and the lifting part A threaded rod is provided on one side, through holes are provided on both sides of the transfer pipe away from each other, and the threaded rods can be rotatably connected inside the through holes, and a clockwise threaded hole is provided on one side of the first slider, A counterclockwise threaded hole is provided on one side of the second slider, and the threaded rods are connected to the inner side of the clockwise threaded hole and the counterclockwise threaded hole through thread transmission, and a support frame is fixed on the outer side of the transfer pipe. A precision motor is fixed on one side of the support frame, and a transmission power device is provided between the precision motor and the threaded rod, and the precision motors are electrically connected to the processor through wires.

Preferably, a plurality of dovetail grooves are provided on one side of the first slider and the second slider, and a plurality of dovetail guides are fixed on one side of the transfer pipe, and the dovetail guides can be slidably connected to the inside of the dovetail grooves .

Preferably, guide grooves are provided on corresponding two sides of the transfer pipe, and the lifter can be slidably connected inside the guide grooves.

Preferably, a flexible sealing sheet is fixed on one side of the first sliding member and the second sliding member, and the other side of the flexible sealing sheet is fixed on the outer side of the lifting member.

Preferably, the transmission power device includes a driving spur gear and a driven spur gear, the driving spur gear is fixedly connected to the shaft end of the precision motor, the driven spur gear is fixedly connected to the outside of the threaded rod, and the driving spur gear The gear and the driven spur gear are connected through meshing transmission.

Preferably, the door lock device includes an A connecting seat and a B connecting seat, the A connecting seat is fixedly connected to one side of the A partition door, the B connecting seat is fixedly connected to the B partition door side, and the B The inner side of the connecting seat is rotatably connected with a door locking part through a rotating shaft, and the door locking part is detachably connected to the inner side of the A connecting seat, and an efficient disconnecting device is provided between the A connecting seat and the door locking part. A handle is fixed on one side of the door.

Preferably, both the A connection seat and the B connection seat are U-shaped structures.

Preferably, the high-efficiency disconnection device includes a disconnection box, one side of the A connection seat is provided with a mounting hole, the disconnection box is fixedly connected to the inside of the installation hole, and one side of the disconnection box is provided with a sliding hole, The inner sliding connection of the sliding hole is provided with a detachable buckle, one side of the door lock is provided with a detachable card slot, the detachable buckle is detachably connected to the inner side of the detachable card slot, and one side of the detachable buckle is fixed A connecting plate is provided, and the connecting plate is slidably connected to the inner side of the disconnecting box, a number of springs are fixed between one side of the connecting plate and the inner side of the disconnecting box, and a handle is fixed on one side of the connecting plate. A guide hole is provided on one side of the disconnect box, the handle is slidably connected inside the guide hole, and a box cover is fixed on one side of the disconnect box.

Preferably, a B handle is fixed on one side of the A partition door and the B partition door.

A multi-space cold chain transport compartment based on refrigeration at different temperatures proposed by the present invention has the beneficial effects of:

1. By setting the A partition door, B partition door, retaining strips, fixing strips, gaskets, and U-shaped sealing strips, it has a partition function, and the compartment can be divided into multiple spaces, so that it is convenient to carry out multiple types of items. Transportation, with multi-space transportation function, and has good airtightness.

2. By setting the A connection seat, the B connection seat, the door lock, the A handle, the disconnect box, the disconnect button, the disconnect card slot, the connecting plate, the spring, and the handle, the A partition door and the B partition door can be separated. To block and open, and when it is necessary to block, you only need to press the door lock part into the A connection seat to complete it, and when you need to disassemble and open it, you only need to pull the handle to remove the door lock part from the A connection seat, so that Quick-connect and quick-disconnect are available, making it easy to use with quick-connect and quick-disconnect functions.

3. By setting the transfer pipe, the first sliding part, the second sliding part, the lifting part, the flow control part, the threaded rod, the support frame, and the precision motor, when the precision motor rotates, the threaded rod can be driven to rotate together, and the threaded rod is rotating When the first slider and the second slider move closer to each other or move away from each other, the first slider and the second slider can automatically lift the lifting piece through the flow control piece when sliding, so that The flow of cold air passing through the transfer pipe can be adjusted, so that it has an automatic flow control function, and the temperature of multiple spaces in the compartment can be adjusted by controlling the flow of cold air, so that multiple types of items can be transported at the same time.

4. By setting the processor, temperature sensor, and precision motor, the temperature sensor can detect the temperature in multiple spaces of the car, and then the temperature sensor can transmit the temperature information to the processor, and the processor can control the temperature in each space Information, to control the precise motor, so as to automatically adjust the temperature in each space in the car, realize automatic constant temperature, automatic temperature adjustment and other functions, and accurately control the temperature in each space in the car, so as to ensure the safe transportation of goods .

Description of drawings

Fig. 1 is a schematic diagram of the front three-dimensional structure of a multi-space cold chain transport carriage based on refrigeration at different temperatures proposed by the present invention;

Fig. 2 is a schematic diagram of the front cut three-dimensional structure of a multi-space cold chain transport compartment based on refrigeration at different temperatures proposed by the present invention;

Fig. 3 is a schematic diagram of a partially enlarged structure of area A in Fig. 2 proposed in the present invention;

Fig. 4 is a front cut three-dimensional structural schematic diagram of a multi-space cold chain transport carriage based on refrigeration at different temperatures proposed by the present invention;

Fig. 5 is a schematic diagram of a partially enlarged structure of area B in Fig. 4 proposed in the present invention;

Fig. 6 is a side cut three-dimensional structural schematic diagram of a multi-space cold chain transport carriage based on refrigeration at different temperatures proposed by the present invention;

Fig. 7 is a schematic diagram of a partially enlarged structure of area C in Fig. 6 proposed in the present invention;

Fig. 8 is a schematic diagram of a side partial explosion three-dimensional structure of a multi-space cold chain transport compartment based on refrigeration at different temperatures proposed by the present invention.

In the figure: 1 carriage, 2 doors, 3 processor, 4 temperature sensor, 5 compressor external unit, 6 air outlet internal unit, 7 heat preservation protective cover, 8 transfer pipe, 9A partition door, 10B partition door, 11 retaining strip, 12 fixing Strip, 13 sealing gasket, 14 U-shaped sealing strip, 15 first sliding part, 16 second sliding part, 17 lifting part, 18 flow control part, 19 threaded rod, 20 support frame, 21 precision motor, 22 dovetail guide part, 23 Guide groove, 24 flexible sealing sheet, 25 driving spur gear, 26 driven spur gear, 27A connecting seat, 28B connecting seat, 29 door lock, 30A handle, 31 disconnecting box, 32 disconnecting buckle, 33 disconnecting card slot , 34 connecting plate, 35 spring, 36 handle, 37 box cover, 38B handle.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Referring to Figures 1-8, a multi-space cold chain transport compartment based on refrigeration at different temperatures includes a refrigerator, a compartment 1, two doors 2, a processor 3, and several temperature sensors 4. The refrigerator includes a compressor external unit 5, The air outlet inner unit 6 and the compressor outer unit 5 are fixed on the outer side of the compartment 1, the air outlet inner unit 6 is fixed on the inner side of the compartment 1, the two doors 2 can be rotatably connected to the outer side of the compartment 1, and the processor 3 The external power supply needs to be connected through wires, the processor 3 is fixed on the outside side of the compartment 1, and several temperature sensors 4 are fixedly connected to the inner side of the compartment 1, and the temperature sensors 4 are electrically connected to the processor 3 through wires, and the compartment 1 The outer side is fixedly connected with a heat preservation protective cover 7, and one side of the heat preservation protective cover 7 is provided with some transfer pipes 8, and the transfer pipes 8 are all U-shaped structures. In the air outlet hole, one side of the compartment 1 is provided with a number of air return holes, and the transfer pipe 8 is fixed in the return air hole, and the inner side of the transfer pipe 8 is provided with an automatic flow control device, and one side of the transfer pipe 8 is provided with A partition door 9, The B partition door 10, the A partition door 9, and the B partition door 10 are all rotatably connected on the inner side of the compartment 1 by hinges, and a door lock device is provided between the A partition door 9 and the B partition door 10, and the B partition door 10 is Both sides are provided with connecting grooves, A partition door 9 is fixedly provided with retaining strips 11, and the retaining strips 11 can be detachably connected to the inside of the connecting grooves, and A partition door 9 and B partition doors 10 are provided with fixing strips 12 on one side. , the fixing strips 12 are all fixed on the inner side of the compartment 1, and one side of the fixing strips 12 is fixedly provided with a gasket 13, the outer sides of the A partition door 9 and the B partition door 10 are all provided with U-shaped grooves, and the insides of the U-shaped grooves are fixedly provided with U-shaped sealing strip 14 makes it have good sealing performance.

Specifically, the automatic flow control device includes a first slider 15 and a second slider 16, both of which can be slidably connected to one side of the transfer tube 8, and the inner side of the transfer tube 8 is slidingly arranged. Lifting piece 17 is arranged, first sliding piece 15, the second sliding piece 16 one side all can be rotatably connected and be provided with flow control piece 18, the other side of flow control piece 18 all can be rotatably connected on the outside of lifting piece 17, lifting One side of the part 17 is provided with a threaded rod 19, and both sides of the transfer pipe 8 are provided with through holes, and the threaded rod 19 can be rotatably connected to the inside of the through hole, and one side of the first sliding part 15 is provided with a clockwise threaded hole. One side of the second slider 16 is provided with a counterclockwise threaded hole, and the threaded rod 19 is connected to the inside of the clockwise threaded hole and the counterclockwise threaded hole through a thread transmission type, and the outer side of the transfer pipe 8 is fixedly provided with a support frame 20, the support frame A precision motor 21 is fixed on one side of the 20, and a transmission power device is provided between the precision motor 21 and the threaded rod 19, and the precision motor 21 is electrically connected to the processor 3 through wires.

Specifically, one side of the first slider 15 and the second slider 16 are provided with a plurality of dovetail grooves, and one side of the transfer pipe 8 is fixed with a plurality of dovetail guides 22, and the dovetail guides 22 can be slidably connected to the inside of the dovetail grooves. .

Specifically, guide grooves 23 are provided on corresponding two sides of the transfer pipe 8 , and the lifter 17 can be slidably connected inside the guide grooves 23 .

Specifically, a flexible sealing sheet 24 is fixed on one side of the first sliding member 15 and the second sliding member 16 , and the other side of the flexible sealing sheet 24 is fixed on the outer side of the lifting member 17 .

Specifically, the transmission power device includes a driving spur gear 25 and a driven spur gear 26, the driving spur gear 25 is fixedly connected to the shaft end of the precision motor 21, the driven spur gear 26 is fixedly connected on the outside of the threaded rod 19, and the driving spur gear 25 It is connected with driven spur gear 26 through meshing transmission.

Specifically, the door lock device includes an A connecting seat 27 and a B connecting seat 28. The A connecting seat 27 is fixedly connected to one side of the A partition door 9, the B connecting seat 28 is fixedly connected to the B partition door 10 side, and the B connecting seat The inner side of 28 is rotatably connected with a door lock part 29 through a rotating shaft, and the door lock part 29 is detachably connected to the inner side of the A connection seat 27, and an efficient disconnecting device is provided between the A connection seat 27 and the door lock part 29, and the door lock part 29 one side is fixedly provided with A handle 30.

Specifically, both the A connecting seat 27 and the B connecting seat 28 are U-shaped structures.

Specifically, the high-efficiency disconnection device includes a disconnection box 31, one side of the A connection seat 27 is provided with a mounting hole, the disconnection box 31 is fixedly connected to the inside of the installation hole, and one side of the disconnection box 31 is provided with a sliding hole, and the inner side of the sliding hole slides The connection is provided with a detachable buckle 32, and one side of the door lock 29 is provided with a detachable card slot 33, the detachable buckle 32 is detachably connected to the inner side of the detachable card slot 33, and one side of the detachable buckle 32 is fixedly provided with a connecting plate 34, The connecting plate 34 is slidably connected to the inner side of the disconnecting box 31, a number of springs 35 are fixed between one side of the connecting plate 34 and the inner side of the disconnecting box 31, and a handle 36 is fixed on one side of the connecting plate 34, and the disconnecting box 31 One side is provided with a guide hole, the handle 36 is slidably connected to the inner side of the guide hole, and one side of the disconnect box 31 is fixedly provided with a box cover 37 .

Specifically, a B handle 38 is fixed on one side of the A partition door 9 and the B partition door 10 .

In the present invention, by setting the A partition door 9, the B partition door 10, the retaining strip 11, the fixing strip 12, the gasket 13, and the U-shaped sealing strip 14, it has a partition function, and the compartment 1 can be divided into multiple spaces. , so as to facilitate the transportation of various types of items, has the function of multi-space transportation, and has good sealing. By setting A connecting seat 27, B connecting seat 28, door lock 29, A handle 30, disconnecting box 31, disconnecting buckle 32, disconnecting card slot 33, connecting plate 34, spring 35 and handle 36, A is separated The door 9 and the B partition door 10 can be blocked and opened, and when it needs to be blocked, just press the door lock 29 into the A connecting seat 27 to complete it, and when it needs to be disassembled and opened, just pull the handle 36. The door lock part 29 is disassembled from the A connecting seat 27, so that quick connection and quick disassembly can be performed, so that it has quick connection and quick disassembly functions, and is easy to use. By setting the transfer pipe 8, the first sliding part 15, the second sliding part 16, the lifting part 17, the flow control part 18, the threaded rod 19, the support frame 20, and the precision motor 21, the threaded rod 19 can be driven when the precision motor 21 rotates. Rotate together, and when threaded rod 19 rotates, can make between the first slider 15 and the second slider 16 move toward each other or move away from each other, the first slider 15, the second slider 16 can slide The lifting member 17 is automatically moved up and down through the flow control member 18, so that the flow of cold air passing through the transfer pipe 8 can be adjusted, so that it has an automatic flow control function, and the temperature of multiple spaces in the compartment 1 can be adjusted by controlling the flow of cold air. , so that multiple types of items can be transported at the same time. By setting the processor 3, the temperature sensor 4, and the precision motor 21, the temperature sensor 4 can detect each temperature in multiple spaces of the compartment 1, and then the temperature sensor 4 can transmit the temperature information to the processor 3, and the processor 3 can According to the temperature information in each space, the precise motor 21 is controlled, so that the temperature in each space in the compartment 1 can be automatically adjusted, and functions such as automatic constant temperature and automatic temperature adjustment can be realized, and the temperature in each space in the compartment 1 can be accurately adjusted. temperature, thus ensuring the safe transportation of items.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims

A multi-space cold chain transport compartment based on refrigeration at different temperatures, comprising a refrigerator, a compartment (1), two doors (2), a processor (3), and several temperature sensors (4), the refrigerator includes a compressor Outer machine (5), air outlet inner machine (6), described compression outer machine (5) is fixed on the outer side of the compartment (1), and described air outlet inner unit (6) is fixed in the compartment (1) On the side, the two doors (2) can be rotatably connected to the outside of the compartment (1), and it is characterized in that the processor (3) needs to be connected to an external power supply through a wire, and the processor (3) is fixed on the compartment (1) on the outer side, several temperature sensors (4) are all fixedly connected on the inner side of the compartment (1), and the temperature sensors (4) are electrically connected to the processor (3) through wires, The outer side of the compartment (1) is fixedly connected with a heat preservation protective cover (7), and one side of the heat preservation protective cover (7) is provided with several transfer pipes (8), and the transfer pipes (8) are all U type structure, one side of the carriage (1) is provided with a number of air outlets, the transfer pipe (8) is fixed in the air outlet, and one side of the carriage (1) is provided with a number of air return holes, the transfer pipe ( 8) are all fixed in the air return hole, the inner side of the transfer pipe (8) is equipped with an automatic flow control device, and the side of the transfer pipe (8) is equipped with an A partition door (9) and a B partition door (10). , the A partition door (9) and the B partition door (10) are rotatably connected on the inner side of the compartment (1) through hinges, and a partition is provided between the A partition door (9) and the B partition door (10). There is a door lock device, one side of the B partition door (10) is provided with a connecting groove, and one side of the A partition door (9) is fixedly provided with a retaining bar (11), and the retaining bar (11) can be It is disassembled and connected to the inner side of the connecting groove, and one side of the A partition door (9) and the B partition door (10) is provided with a fixing strip (12), and the fixing strip (12) is fixed on the inside of the compartment (1), One side of the fixing strip (12) is fixed with a sealing gasket (13), and the outside of the A partition door (9) and the B partition door (10) are all provided with U-shaped grooves, and the insides of the U-shaped grooves are fixed A U-shaped sealing strip (14) is provided.
The multi-space cold chain transport compartment based on refrigeration at different temperatures according to claim 1, wherein the automatic flow control device comprises a first slide (15) and a second slide (16), the Both the first sliding part (15) and the second sliding part (16) can be slidably connected on one side of the transfer pipe (8), and the inner side of the transfer pipe (8) is slidably provided with a lifter (17). A sliding part (15), the second sliding part (16) can be rotatably connected with a flow control part (18) on one side, and the other side of the flow control part (18) can be rotatably connected to the lifting part ( 17) On the outer side, a threaded rod (19) is provided on one side of the lifting member (17), and through holes are provided on both sides of the transfer pipe (8), and the threaded rod (19) can be rotated Connected to the inside of the through hole, one side of the first slider (15) is provided with a clockwise threaded hole, one side of the second slider (16) is provided with a counterclockwise threaded hole, and the threaded rod (19) is Connected to the inner side of the clockwise threaded hole and the counterclockwise threaded hole through thread transmission, the outer side of the transfer pipe (8) is fixed with a support frame (20), and one side of the support frame (20) is fixed with a precision motor (21), a transmission power device is provided between the precision motor (21) and the threaded rod (19), and the precision motor (21) is electrically connected to the processor (3) through wires.
The multi-space cold chain transport compartment based on refrigeration at different temperatures according to claim 2, characterized in that, one side of the first sliding part (15) and the second sliding part (16) are both provided with a number of dovetail grooves A plurality of dovetail guides (22) are fixed on one side of the transfer pipe (8), and the dovetail guides (22) can be slidably connected to the inside of the dovetail groove.
The multi-space cold chain transport compartment based on refrigeration at different temperatures according to claim 2, characterized in that guide grooves (23) are provided on the corresponding two sides of the transfer pipe (8), and the lifting Parts (17) all can be slidably connected in guide groove (23) inboard.
The multi-space cold chain transport compartment based on refrigeration at different temperatures according to claim 2, characterized in that flexible seals are fixed on one side of the first sliding part (15) and the second sliding part (16) sheet (24), and the other side of the flexible sealing sheet (24) is fixed on the outside of the lifter (17).
The multi-space cold chain transport compartment based on refrigeration at different temperatures according to claim 2, characterized in that, the transmission power device includes a driving spur gear (25) and a driven spur gear (26), and the driving spur gear (26) Gear (25) is fixedly connected to the shaft end of precision motor (21), and described driven spur gear (26) is fixedly connected on the outside of threaded rod (19), and described driving spur gear (25) and driven spur gear ( 26) Connected by meshing transmission.
The multi-space cold chain transport compartment based on refrigeration at different temperatures according to claim 1, wherein the door lock device includes an A connection seat (27) and a B connection seat (28), and the A connection seat (27) is fixedly connected on one side of the A partition door (9), the B connection seat (28) is fixedly connected on the B partition door (10) side, and the inside of the B connection seat (28) is rotatable through a rotating shaft A door lock (29) is provided for the type connection, and the door lock (29) is detachably connected to the inner side of the A connection seat (27), and there is a A high-efficiency disconnecting device, a handle (30) is fixed on one side of the door lock (29).
The multi-space cold chain transport carriage based on refrigeration at different temperatures according to claim 7, characterized in that, the A connecting seat (27) and the B connecting seat (28) are both U-shaped structures.
The multi-space cold chain transport carriage based on refrigeration at different temperatures according to claim 7, wherein the high-efficiency disconnection device includes a disconnection box (31), and one side of the A connection seat (27) is provided There is a mounting hole, the disconnecting box (31) is fixedly connected to the inside of the mounting hole, a sliding hole is provided on one side of the disconnecting box (31), and a disconnecting button (32) is provided for sliding connection on the inner side of the sliding hole, One side of the door lock (29) is provided with a detachable card slot (33), and the detachable buckle (32) is detachably connected to the inner side of the detachable card slot (33), and the detachable buckle (32) is The side is fixedly provided with a connecting plate (34), and the connecting plate (34) is slidably connected to the inner side of the disconnecting box (31). A number of springs (35) are fixedly provided, a handle (36) is fixedly provided on one side of the connecting plate (34), and a guide hole is provided on one side of the disconnecting box (31), and the handle (36) can be slidably connected Inside the guide hole, a box cover (37) is fixed on one side of the disconnect box (31).
A multi-space cold chain transport compartment based on refrigeration at different temperatures according to claim 1, wherein a B handle (38) is fixed on one side of the A partition door (9) and the B partition door (10) ).