阅读说明：本技术 一种物流冷鲜冷链车 (Cold bright cold chain car of commodity circulation ) 是由 庄进再 庄嘉仪 于 2021-07-23 设计创作，主要内容包括：本发明公开了一种物流冷鲜冷链车,涉及食品冷藏保鲜技术领域,该冷链车包括冷藏车厢、车体和制冷组件；还包括多个承托架机构,多个承托架机构呈两排对称设在冷藏车厢内部两侧,承托架机构包括承托架、调节组件和多个存放构件；每个存放构件靠近承托架的端部与其铰接且存放构件远离承托架的端部铰接有连接滑座；连接滑座在冷藏车厢内壁上上下滑动,所述调节组件设在冷藏车厢内壁上并用于调节多个连接滑座在冷藏车厢内壁上的高度位置。该冷链车通过承托架机构的折叠和展开可实现已经包装后的冷鲜品叠放,以及散料冷鲜品分类层层放置,冷鲜品叠放空间与冷藏车厢整个内部空间相近,并可通过蓄冷剂增加冷藏效果,从而可适应多种冷鲜品冷藏运输。(The invention discloses a logistics cold fresh cold chain vehicle, which relates to the technical field of food refrigeration and preservation, and comprises a refrigerator carriage, a vehicle body and a refrigeration assembly; the refrigerator compartment support device is characterized by also comprising a plurality of support frame mechanisms, wherein the support frame mechanisms are symmetrically arranged on two sides in the refrigerator compartment in two rows, and each support frame mechanism comprises a support frame, an adjusting component and a plurality of storage components; the end part of each storage component close to the support bracket is hinged with the storage component, and the end part of the storage component far from the support bracket is hinged with a connecting sliding seat; the connecting sliding seats slide up and down on the inner wall of the refrigerator carriage, and the adjusting assembly is arranged on the inner wall of the refrigerator carriage and used for adjusting the height positions of the connecting sliding seats on the inner wall of the refrigerator carriage. This cold chain car can realize the cold bright article after the packing through the folding of bearing frame mechanism with expand and stack to and the cold bright article classification of bulk cargo is placed layer upon layer, and cold bright article stacks the space and is close with the whole inner space of refrigerator carriage, and the cold-stored effect of accessible cold-storage agent increase, thereby adaptable multiple cold bright article refrigeration transportation.)

1. A logistics cold and fresh cold chain vehicle comprises a refrigerator carriage, a vehicle body and a refrigeration assembly, wherein the refrigeration assembly is arranged on the refrigerator carriage and is used for adjusting the refrigeration temperature inside the refrigerator carriage; it is characterized in that the device also comprises a plurality of supporting frame mechanisms;

the plurality of supporting frame mechanisms are symmetrically arranged at two sides in the refrigerator carriage in two rows, and each supporting frame mechanism comprises a supporting frame, an adjusting assembly and a plurality of storage components;

the supporting bracket is vertically arranged in the refrigerator carriage, and the end parts of the supporting bracket are transversely connected with the inner wall of the refrigerator carriage in a sliding manner through the guide piece;

a plurality of storage members are arranged between the support bracket and the inner wall of the refrigerator compartment in a laminated manner; the end part of each storage component close to the support bracket is hinged with the storage component, and the end part of the storage component far away from the support bracket is hinged with a connecting sliding seat;

the connecting sliding seat slides up and down on the inner wall of the refrigerator carriage;

the adjusting assembly is arranged on the inner wall of the refrigerator carriage and is used for adjusting the height positions of the connecting sliding seats on the inner wall of the refrigerator carriage.

2. The logistics chilled fresh cold chain vehicle of claim 1, wherein the refrigeration assembly comprises a heat sink unit, a refrigeration unit and a temperature sensor;

the refrigerating unit is arranged in the refrigerated carriage and is used for inputting cold airflow into the refrigerated carriage;

the heat radiating unit is arranged on the outer wall of the refrigerator carriage and used for discharging hot air flow in the refrigerator carriage;

the temperature sensor is arranged in the refrigerator carriage and connected with the heat dissipation unit and the refrigerating unit, and the temperature sensor is used for sensing the refrigerating temperature in the refrigerator carriage and controlling and adjusting the refrigerating power of the refrigerating unit and the heat dissipation unit.

3. The logistics chilled fresh cold chain vehicle of claim 1, wherein the support bracket comprises two support bars and a plurality of connecting cross bars;

the plurality of connecting cross rods are arranged between the two support rods and fixedly connected with the two support rods, and the connecting cross rods are hinged with the end parts of the storage components;

each connecting cross rod is provided with at least one rotating sleeve which is elastically and rotatably connected with the connecting cross rod through a torsion spring, and the rotating sleeve is provided with a front screen plate arranged between the two supporting rods;

each supporting rod is provided with a plurality of side screen plates, and the side parts of the side screen plates are elastically and rotatably connected with the supporting rods through torsion springs;

the front screen plate is positioned at the side part of the edge of the storage component, and a storage cavity for storing the cold and fresh products is enclosed among the front screen plate, the side screen plate and the storage component.

4. The logistics chilled fresh chain vehicle of claim 1, wherein the storage means comprises a cold storage plate and a connecting swivel sleeve;

the bottom of the cold storage plate is hollow and stores cold storage agent, and the two connecting rotary sleeves are arranged at two ends of the cold storage plate;

the two connecting rotating sleeves are respectively used for rotatably connecting the bearing bracket and the connecting sliding seat.

5. The logistics chilled fresh cold chain vehicle of claim 4, wherein the storage member further comprises a collecting groove, a supporting net and a drainage port;

the flow collecting groove is formed in the end face of the cold storage plate and used for storing water stains flowing out of the cold fresh products;

the supporting net is arranged at the port of the flow collecting groove and is used for supporting cold and fresh products;

the drainage port is arranged on the side part of the collecting groove and is used for intensively leading out water stains in the collecting groove.

6. The logistics chilled fresh cold chain vehicle of claim 1, wherein the adjusting assembly comprises an adjusting screw and a power member;

the adjusting screw rod is rotatably arranged on the inner wall of the refrigerator carriage and spirally penetrates through the corresponding connecting sliding seat;

the power part is arranged in the refrigerator carriage and is used for driving the adjusting screw rod to rotate.

7. The logistics chilled fresh cold chain vehicle as claimed in any one of claims 1 to 6, wherein the top wall of the refrigerator compartment is further provided with a solar energy absorption assembly;

the solar energy absorption assembly comprises a solar energy absorption plate, a mounting pillar and at least one push rod;

the mounting support is fixed on the top wall of the refrigerator carriage, and the center of one end face of the solar energy absorption plate is movably connected with the end part of the mounting support through a universal joint;

the catch bar is arranged on the side wall of the mounting support and the telescopic end of the catch bar is hinged with the end face of the solar absorption plate.

Technical Field

The invention relates to the technical field of food refrigeration and preservation, in particular to a logistics cold and fresh cold chain vehicle.

Background

Along with the development of social economy, people have more and more requirements on various products, the logistics industry is rapidly flourishing, and a cold chain vehicle as an important transportation tool for transporting goods can solve the problem of temperature rise in a compartment body, so that the products are always in a specified low-temperature environment in the transportation link, the loss of the products is reduced, and the cold chain vehicle is widely used by many companies.

Food stored in a carriage of the existing cold chain vehicle is stacked after being packaged or placed by adopting a placing bracket; the stacking placement improves the utilization rate of the compartment space, but can not store some food with classification and bulk materials; the placing rack is adopted for placing, although some bulk cold and fresh products can be placed in a classified manner; when some objects which can be stacked are placed, the space utilization rate of the carriage is low, and the goods are not suitable for large-batch transportation.

Disclosure of Invention

The invention aims to provide a logistics cold and fresh cold chain vehicle to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a logistics cold and fresh cold chain vehicle comprises a refrigerator carriage, a vehicle body and a refrigeration assembly, wherein the refrigeration assembly is arranged on the refrigerator carriage and is used for adjusting the refrigeration temperature inside the refrigerator carriage; the refrigerator carriage comprises a refrigerator carriage body and is characterized by further comprising a plurality of bearing frame mechanisms, wherein the bearing frame mechanisms are symmetrically arranged on two sides in the refrigerator carriage body in two rows, each bearing frame mechanism comprises a bearing bracket, an adjusting component and a plurality of storage components, the bearing brackets are vertically arranged in the refrigerator carriage body, and the end parts of the bearing brackets are transversely connected with the inner wall of the refrigerator carriage body in a sliding manner through a guide piece; a plurality of storage members are arranged between the support bracket and the inner wall of the refrigerator compartment in a laminated manner; the end part of each storage component close to the support bracket is hinged with the storage component, and the end part of the storage component far away from the support bracket is hinged with a connecting sliding seat; the connecting sliding seats slide up and down on the inner wall of the refrigerator carriage, and the adjusting assembly is arranged on the inner wall of the refrigerator carriage and used for adjusting the height positions of the connecting sliding seats on the inner wall of the refrigerator carriage.

On the basis of the technical scheme, the invention also provides the following optional technical scheme:

in one alternative: the refrigerating assembly comprises a heat radiating unit, a refrigerating unit and a temperature sensor; the refrigerating unit is arranged in the refrigerated carriage and is used for inputting cold airflow into the refrigerated carriage; the heat radiating unit is arranged on the outer wall of the refrigerator carriage and used for discharging hot air flow in the refrigerator carriage; the temperature sensor is arranged in the refrigerator carriage and connected with the heat dissipation unit and the refrigerating unit, and the temperature sensor is used for sensing the refrigerating temperature in the refrigerator carriage and controlling and adjusting the refrigerating power of the refrigerating unit and the heat dissipation unit.

In one alternative: the support bracket comprises two support rods and a plurality of connecting cross rods, the connecting cross rods are arranged between the two support rods and fixedly connected with the two support rods, and the connecting cross rods are hinged with the end parts of the storage components 42; each connecting cross rod is provided with at least one rotating sleeve which is elastically and rotatably connected with the connecting cross rod through a torsion spring, and the rotating sleeve is provided with a front screen plate arranged between the two connecting cross rods; each supporting rod is provided with a plurality of side screen plates, and the side parts of the side screen plates are elastically and rotatably connected with the supporting rods through torsion springs; the front screen plate is positioned at the side part of the edge of the storage component, and a storage cavity for storing the cold and fresh products is enclosed among the front screen plate, the side screen plate and the storage component.

In one alternative: the storage component comprises a cold storage plate and a connecting rotary sleeve, the bottom of the cold storage plate is hollow and stores a cold storage agent, the connecting rotary sleeve is divided into two parts and arranged at two ends of the cold storage plate, and the two connecting rotary sleeves are respectively used for rotatably connecting a bearing bracket and a connecting sliding seat.

In one alternative: the storage component also comprises a flow collecting groove, a supporting net and a drainage port, and the flow collecting groove is formed in the end face of the cold storage plate and used for storing water stains flowing out of the cold fresh products; the supporting net is arranged at the port of the flow collecting groove and is used for supporting cold and fresh products; the drainage port is arranged on the side part of the collecting groove and is used for intensively leading out water stains in the collecting groove.

In one alternative: the adjusting assembly comprises an adjusting screw rod and a power part, and the adjusting screw rod is rotatably arranged on the inner wall of the refrigerator carriage and spirally penetrates through the corresponding connecting sliding seat; the power part is arranged in the refrigerator carriage and is used for driving the adjusting screw rod to rotate; under the drive of the power part, the adjusting screw rod rotates, and the connecting sliding seat moves on the inner wall of the refrigerator carriage by utilizing the spiral fit of the adjusting screw rod and the connecting sliding seat, so that the position of the connecting sliding seat can be adjusted.

In one alternative: the refrigerator van roof still is equipped with solar energy and absorbs the subassembly, solar energy absorbs the subassembly and includes solar energy absorption board, installation pillar and at least one catch bar, the installation pillar is fixed on the refrigerator van roof, and solar energy absorption board wherein a terminal surface center passes through universal joint and installation pillar tip swing joint, the catch bar is established on the installation pillar lateral wall and flexible end and solar energy absorption board terminal surface are articulated.

Compared with the prior art, the invention has the following beneficial effects:

the device drives the connecting sliding seat to move up and down on the inner wall of the refrigerator van through the adjusting component, the up-and-down movement of the connecting sliding seat pulls the end part of the storage component close to the inner wall of the refrigerator van to move up and down, and then the storage component pulls the support bracket to move away from or close to the inner wall of the refrigerator van, so that the whole support bracket mechanism is further contracted and expanded; the supporting bracket mechanism is contracted to be close to the inner wall of the refrigerator carriage, so that the space of the whole refrigerator carriage is increased, and box-packed cold and fresh products can be conveniently stacked; the supporting frame mechanism is unfolded, the storage component is in a horizontal state and places some bulk cold and fresh products on the storage component, and the cold storage agent stored by the storage component can adapt to the cold and fresh products; when the supporting bracket mechanism is contracted, the storage component is in an inclined state, and the cold and fresh products on the storage component directly slide downwards, so that the collection is convenient; this cold chain car can realize the cold bright article after the packing through the folding of bearing frame mechanism with expand and stack to and the cold bright article classification of bulk cargo is placed layer upon layer, and cold bright article stacks the space and is close with the whole inner space of refrigerator carriage, and the cold-stored effect of accessible cold-storage agent increase, thereby adaptable multiple cold bright article refrigeration transportation.

Drawings

Fig. 1 is a schematic view of the overall structure of the cold chain vehicle in one embodiment of the present invention.

Fig. 2 is a schematic view of the internal structure of the refrigerator compartment in one embodiment of the present invention.

FIG. 3 is a schematic view of a support bracket according to an embodiment of the present invention.

Fig. 4 is a schematic view of a storage member according to an embodiment of the present invention.

Notations for reference numerals: the refrigerator van comprises a refrigerator van body 1, a refrigerator body 2, a refrigeration assembly 3, a heat dissipation unit 31, a refrigeration unit 32, a temperature sensor 33, a support bracket mechanism 4, a support bracket 41, a support rod 411, a connecting cross rod 412, a front baffle plate 413, a side baffle plate 414, a rotating sleeve 415, a storage component 42, a cold storage plate 421, a support net 422, a connecting rotating sleeve 423, a flow collecting groove 424, a drainage port 425, a connecting sliding seat 43, an adjusting screw rod 44, a power piece 45, a rolling groove 46, a roller 47, a storage cavity 48, a compartment 5, a solar energy absorption plate 6, a mounting support 7 and a push rod 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments; in the drawings or the description, the same reference numerals are used for similar or identical parts, and the shape, thickness or height of each part may be enlarged or reduced in practical use. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

In one embodiment, as shown in fig. 1 and 2, a logistics chilled fresh cold chain vehicle comprises a refrigerator compartment 1, a vehicle body 2 and a refrigeration assembly 3, wherein the refrigeration assembly 3 is arranged on the refrigerator compartment 1 and is used for adjusting the refrigeration temperature inside the refrigerator compartment 1; the refrigerator carriage comprises a refrigerator carriage body 1, and is characterized by further comprising a plurality of supporting bracket mechanisms 4, wherein the supporting bracket mechanisms 4 are symmetrically arranged on two sides in the refrigerator carriage body 1 in two rows, each supporting bracket mechanism 4 comprises a supporting bracket 41, an adjusting assembly and a plurality of storage components 42, the supporting brackets 41 are vertically arranged in the refrigerator carriage body 1, and the end parts of the supporting brackets are transversely connected with the inner wall of the refrigerator carriage body 1 in a sliding manner through guide pieces; a plurality of storage members 42 are provided in a stacked manner between the support bracket 41 and the inner wall of the refrigerator compartment 1; the end part of each storage member 42 close to the support bracket 41 is hinged with the storage member, the end part of each storage member 42 far from the support bracket 41 is hinged with a connecting sliding seat 43, and the storage members 42 are used for storing cold storage agents and cold fresh food; the connecting sliding seats 43 slide up and down on the inner wall of the refrigerator compartment 1, and the adjusting assembly is arranged on the inner wall of the refrigerator compartment 1 and is used for adjusting the height positions of the connecting sliding seats 43 on the inner wall of the refrigerator compartment 1;

in the implementation process of the embodiment, in which the refrigeration assembly 3 adjusts the refrigeration temperature inside the refrigerator compartment 1, the adjusting assembly drives the connecting slide seat 43 to move up and down on the inner wall of the refrigerator compartment 1, the up and down movement of the connecting slide seat 43 pulls the end of the storage member 42 close to the inner wall of the refrigerator compartment 1 to move up and down, and the storage member 42 pulls the support bracket 41 to move away from or close to the inner wall of the refrigerator compartment 1, so as to further enable the whole support bracket mechanism 4 to contract and expand; the supporting bracket mechanism 4 is contracted to be close to the inner wall of the refrigerator carriage 1, so that the space of the whole refrigerator carriage 1 is increased, and box-packed cold and fresh products can be conveniently stacked; the support bracket mechanism 4 is unfolded, the storage component 42 is in a horizontal state and places some bulk material cold and fresh products on the storage component, and the cold storage agent stored by the storage component 42 can adapt to the cold and fresh products; when the supporting bracket mechanism 4 is contracted, the storage component 42 is in an inclined state, and the cold and fresh products on the storage component directly slide downwards, so that the collection is convenient; the cold chain vehicle can stack the packaged cold and fresh products through folding and unfolding of the support bracket mechanism 4, and the bulk cold and fresh products are classified and arranged layer by layer, the stacking space of the cold and fresh products is close to the whole internal space of the refrigerator carriage 1, and the refrigeration effect can be increased through the cold storage agent, so that the cold chain vehicle can adapt to refrigeration transportation of various cold and fresh products; as an embodiment, the left, right, up and down positions of the components shown in the drawings are only one arrangement, and the specific positions are set according to specific requirements;

in one embodiment, as shown in fig. 1, the refrigeration assembly 3 includes a heat sink unit 31, a refrigeration unit 32, and a temperature sensor 33; the refrigerating unit 32 is arranged inside the refrigerator compartment 1 and is used for inputting cold airflow into the refrigerator compartment 1; the heat dissipation unit 31 is arranged on the outer wall of the refrigerator van 1 and is used for discharging hot air flow in the refrigerator van 1; the temperature sensor 33 is arranged inside the refrigerator van 1 and connected with the heat dissipation unit 31 and the refrigerating unit 32, and the temperature sensor 33 is used for sensing the refrigerating temperature inside the refrigerator van 1 and controlling and adjusting the refrigerating power of the refrigerating unit 32 and the heat dissipation unit 31; when the refrigeration temperature is sensed by the temperature sensor 33 and does not reach the set temperature, the refrigeration power of the refrigerating unit 32 and the heat radiating unit 31 is adjusted to adjust the refrigeration temperature in the refrigerator compartment 1, so that the refrigeration temperature is ensured to be constant;

in one embodiment, as shown in fig. 2 and 3, the support bracket 41 includes two support rods 411 and a plurality of connecting cross rods 412, the plurality of connecting cross rods 412 are disposed between and fixedly connected to the two support rods 411, and the connecting cross rods 412 are hinged to the end of the storage member 42; each connecting cross bar 412 is provided with at least one rotating sleeve 415 which is elastically and rotatably connected with the connecting cross bar 412 through a torsion spring, and the rotating sleeve 415 is provided with a front screen plate 413 which is arranged between the two connecting cross bars 412; each support rod 411 is provided with a plurality of side screen plates 414, and the side parts of the side screen plates 414 are elastically and rotatably connected with the support rods 411 through torsion springs; the front screen plate 413 is positioned at the side part of the storage component 42, and a storage cavity 48 for storing the cold and fresh products is defined among the front screen plate 413, the side screen plate 414 and the storage component 42; when the support bracket mechanism 4 is folded, the side screen blocking plate 414 is elastically and rotatably connected with the support rod 411, so that the front screen blocking plate 413 is folded and closed, when the support bracket mechanism 4 is unfolded, the side screen blocking plate 414 can be unfolded through a torsion spring, and therefore, when the cold chain vehicle moves, the placing stability of cold and fresh products is ensured;

the support bracket mechanism 4 may be a vertical plate having a plurality of ports on an end surface, in addition to the structure disclosed in the above embodiment;

in one embodiment, as shown in fig. 2 and 4, the storage member 42 includes a cold storage plate 421 and two connecting rotary sleeves 423, the cold storage plate 421 is hollow at the bottom and stores the cold storage agent, the two connecting rotary sleeves 423 are arranged at two ends of the cold storage plate 421, and the two connecting rotary sleeves 423 are respectively used for rotatably connecting the support bracket 41 and the connecting slide 43; the cold storage agent is arranged in the inner cavity of the cold storage plate 421 to reduce the surface temperature of the cold storage plate 421 and adjust the ambient temperature of the chilled fresh products stored on the cold storage plate 421; furthermore 42 the refrigerated and chilled products can be stored individually;

in one embodiment, as shown in fig. 4, the storage member 42 further includes a collecting groove 424, a supporting net 422 and a drainage port 425, and the collecting groove 424 is opened on an end face of the cold storage plate 421 and is used for collecting water spots flowing out of the cold fresh products; the supporting net 422 is arranged at the port of the collecting groove 424 and is used for supporting cold and fresh products; drainage ports 425 are formed at the side portions of the collecting grooves 424 and used for intensively draining water stains in the collecting grooves 424; the arrangement of the collecting groove 424, the supporting net 422 and the drainage port 425 can collect water stains flowing out of the cold and fresh products, so that the water stains are prevented from flowing randomly, and the sanitation inside the refrigerator car 1 is prevented from being influenced;

in one embodiment, as shown in fig. 2, the adjusting assembly comprises an adjusting screw 44 and a power member 45, the adjusting screw 44 is rotatably arranged on the inner wall of the refrigerator compartment 1 and spirally penetrates through the corresponding connecting slide 43; the power part 45 is arranged in the refrigerator van 1 and is used for driving the adjusting screw rod 44 to rotate; under the drive of the power member 45, the adjusting screw rod 44 rotates to enable the connecting slide seat 43 to move on the inner wall of the refrigerator compartment 1 by utilizing the spiral fit of the adjusting screw rod and the connecting slide seat 43, so that the position of the connecting slide seat 43 can be adjusted; wherein, the top of the refrigerator carriage 1 is provided with a compartment 5, and a power part 45 is arranged inside the compartment 5; so that the cold air flow affects the operating condition of the power member 45; the power part 45 is an electric motor or a pneumatic motor;

besides the structure disclosed in the above embodiment, the adjusting component can also be a cylinder or a hydraulic cylinder;

in one embodiment, as shown in fig. 2, the guide member includes a roller groove 46 and a roller 47, and the roller groove 46 is opened on the top wall or the bottom wall of the refrigerator compartment 1; the roller 47 is arranged at the end part of the roller 41 and rolls and slides in the rolling groove 46; the arrangement of the roller 47 and the roller groove 46 can reduce the friction between the end part of the roller 41 and the inner wall of the refrigerator compartment 1; besides the structure disclosed in the above embodiment, the guide part can also be a guide rod and a guide sleeve;

in one embodiment, as shown in fig. 1, the top wall of the refrigerator van 1 is further provided with a solar energy absorption assembly, the solar energy absorption assembly comprises a solar energy absorption plate 6, a mounting pillar 7 and at least one push rod 8, the mounting pillar 7 is fixed on the top wall of the refrigerator van 1, the center of one end face of the solar energy absorption plate 6 is movably connected with the end part of the mounting pillar 7 through a universal joint, the push rod 8 is arranged on the side wall of the mounting pillar 7, and the telescopic end of the push rod is hinged with the end face of the solar energy absorption plate 6; the solar absorption plate 6 absorbs solar energy and converts the solar energy into electric energy which can be supplied to the refrigeration assembly 3 and the adjusting assembly so as to save energy, and the inclination direction of the solar absorption plate 6 is convenient to adjust through the extension and contraction of the push rod 8 and the movable connection of the solar absorption plate 6 and the end part of the mounting support 7 so as to increase the irradiation angle with solar rays and improve the solar absorption efficiency; wherein, the push rod 8 is a hydraulic cylinder or an electric telescopic rod;

the embodiment discloses a logistics chilled and fresh cold chain vehicle, wherein the refrigerating component 3 adjusts the refrigerating temperature inside the refrigerating compartment 1, the adjusting component drives the connecting sliding seat 43 to move up and down on the inner wall of the refrigerating compartment 1, the up-and-down movement of the connecting sliding seat 43 pulls the end part, close to the inner wall of the refrigerating compartment 1, of the connecting sliding seat 42 to move up and down, and then the connecting sliding seat 42 pulls the end part 41 to move away from or close to the inner wall of the refrigerating compartment 1, so that the whole supporting bracket mechanism 4 is further contracted and expanded; the supporting bracket mechanism 4 is contracted to be close to the inner wall of the refrigerator carriage 1, so that the space of the whole refrigerator carriage 1 is increased, and box-packed cold and fresh products can be conveniently stacked; the supporting bracket mechanism 4 is unfolded, 42 is in a horizontal state and places some bulk material chilled products on the supporting bracket mechanism, and the cold storage agent stored in 42 can adapt to the chilled products; when the supporting bracket mechanism 4 is contracted, the cold and fresh products 42 are in an inclined state and directly slide downwards, so that the collection is convenient; this cold chain car can realize the cold bright article after the packing through the folding of support bracket mechanism 4 with expand and stack to and the cold bright article classification of bulk cargo is placed layer upon layer, and the cold bright article space of stacking is close with 1 whole inner space in refrigerator carriage, and the cold-storage effect of accessible cold-storage agent increase, thereby adaptable multiple cold bright article refrigeration transportation.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.