CN111792197A - Cold chain logistics safety transportation device - Google Patents

Abstract

The invention discloses a cold chain logistics safe transportation device which comprises a transportation box, a containing box, a vertical damping unit, a transverse damping unit and a cold chain refrigeration unit, wherein the inside of the transportation box is divided into a containing cavity at the front side and an equipment cavity at the rear side through a transportation box vertical division plate, the containing cavity is internally provided with a containing box with hollowed side surfaces and top surfaces, four corners of the bottom of the containing box are respectively movably connected with supports at four corners of the bottom of the containing cavity through the vertical damping unit, and two sides of the containing box are movably connected with two sides of the inside of the containing cavity through the transverse damping unit. Vertical and horizontal vibrations that adopt vertical shock attenuation unit and horizontal shock attenuation unit can cushion and hold the case and receive to vertical and horizontal buffering shock attenuation is abundant, can protect the article of transporting, and can separate the unit through the article activity and fix the position of article when article can not be full of storage space, also is equipped with the buffering part on the article activity separates the unit, cushions the horizontal activity of article.

Description

Cold chain logistics safety transportation device

Technical Field

The invention relates to the technical field of cold-chain logistics transportation, in particular to a cold-chain logistics safe transportation device.

Background

With the rapid development of society and the rapid development of logistics express delivery, cold chain logistics are frequently encountered in daily life and work, and when some goods needing to be refrigerated are transported, the goods need to be ensured to be in a low-temperature transportation device, vibration needs to be avoided, and stable transportation of the goods in the transportation device is ensured;

disclosure of Invention

The invention aims to overcome the technical problems in the prior art, and provides a cold chain logistics safe transportation device, wherein vertical and horizontal vibration of a containing box can be buffered by adopting a vertical damping unit and a horizontal damping unit, the vertical and horizontal damping units are sufficient in buffering and damping, transported articles can be protected, the positions of the articles can be fixed by an article movable separation unit when the storage space cannot be filled with the articles, and the article movable separation unit is also provided with a buffering part for buffering the horizontal movement of the articles, so that the problems in the background art can be effectively solved.

In order to achieve the purpose, the invention provides the following technical scheme: cold chain logistics safety transportation device, including the transport case, hold case, vertical shock attenuation unit, horizontal shock attenuation unit and cold chain refrigeration unit, the chamber that holds of transport case is provided with and holds the case, the bottom four corners that holds the case respectively through vertical shock attenuation unit with hold chamber bottom swing joint, the inside both sides that hold the chamber through horizontal shock attenuation unit swing joint in the both sides that hold the case, opening one side of transport case articulates there is the chamber door that is used for closing the open-ended, is provided with the cold chain refrigeration unit that is used for the cold chain refrigeration in the equipment intracavity of transport case.

The article of required transportation is placed to well matter storage lattice holding incasement, is used for carrying out the cold chain refrigeration to the transport case through cold chain refrigeration unit to the temperature is passed to the incasement that holds of leading-in side and top surface fretwork, and vertical vibrations of transport case can be cushioned to vertical shock attenuation unit, avoids vertical vibrations to conduct for holding the case that holds the article, and horizontal shock attenuation unit can cushion horizontal rocking, thereby realizes cold chain commodity circulation safety transportation.

Further, still include the article activity and separate the unit, hold incasement portion and separate for the matter storage lattice that distributes from top to bottom through holding the case division board, have the article activity through horizontal movable frame slide rail sliding connection in every matter storage lattice and separate the unit.

The position of the article which is not filled with the storage compartment is fixed by the article movable separation unit.

Further, the article activity is separated the unit and is included activity frame and fretwork net buffer unit, the activity frame is inboard to be connected the fretwork net buffer unit that the border parcel has the installing frame outside through elastic component.

The hollow net buffer unit on the mounting frame fixes the article, and if the end face of the article is uneven, the hollow net buffer unit connected elastically can increase the contact area with the article, and the hollow net buffer unit presses close to the article as much as possible under the action of the elastic component, so that the position of the article is fixed, and the article is prevented from moving.

Further, fretwork net buffer unit includes spacing net and buffer net, inside one side of installation frame has spacing net through the fastener joint, the inside opposite side of installation frame is through torsion buffering subassembly connection buffer net.

The buffering net contacts the article that is not filled, and the torsion cushioning effect through torsion buffering subassembly provides the cushion force for the buffering net, cushions the shock attenuation to article, and spacing net can avoid article to receive buffering net buffering back home range still too big, avoids article buffering home range too big to lead to inside to remove the damping cushioning effect in clearance to descend.

Furthermore, torsion buffering subassembly includes connecting strip, stay cord, torsion shaft and torsion spring, and the inside upper and lower side of installing frame corresponds the buffer net equidistance and offers the mounting groove internal rotation that has and is connected with the torsion shaft, torsion spring is installed at the both ends of torsion shaft, and torsion spring's one end fixed connection mounting groove tip and the other end are fixed in the fixed orifices of torsion shaft, the one end of the middle part fixed connection stay cord of torsion shaft, the upper and lower side of buffer net are fixed with the connecting strip respectively, the stay cord winding is on the torsion shaft and the other end is connected on the connecting strip that corresponds.

When article rock, impact the buffering net, the buffering net passes through connecting strip pulling stay cord, because the stay cord winding is on the torsion shaft to there is the pivoted trend of pulling torsion shaft, and torsion spring provides the reverse effort of torsion to the torsion shaft, thereby cushions the pulling force that the stay cord received, finally realizes the buffering cushioning effect to the buffering net.

Furthermore, the article movable separation unit also comprises a limiting component for limiting the position of the movable frame and an adjusting component for adjusting the limiting component.

The position of the movable frame on the movable frame slide rail can be limited through the limiting assembly, and the adjusting assembly can drive the limiting assembly to conveniently change the position of the movable frame on the movable frame slide rail.

Furthermore, spacing subassembly comprises cavity slider and card post, the upper and lower side of activity frame is equipped with the cavity slider with activity frame slide rail sliding connection, the card post passes the front side logical groove of cavity slider and with the draw-in groove joint of activity frame slide rail inslot equidistance distribution.

The hollow sliding block is slidably mounted in a rail groove of the movable frame sliding rail, and the clamping columns extend out of clamping grooves which are formed in the inner side of the rail groove of the movable frame sliding rail in an equidistance mode and are clamped with the hollow sliding block to limit the movable frame.

Further, the adjustment subassembly comprises regulating block and connecting rod, and the inside vertical cavity that is equipped with of movable frame front side, and the inside intercommunication of vertical cavity and cavity slider, the inside vertical connecting rod that is equipped with of vertical cavity, the both ends of connecting rod stretch into in the cavity slider and connect two card posts respectively, and the front side of connecting rod is connected with the regulating block, the regulating block passes the slide opening of movable frame front side and vertical cavity intercommunication.

The adjusting block is pressed down, the clamping column is driven to retract to the hollow sliding block through the connecting rod, the movable frame can slide on the movable frame sliding rail at the moment, the position of the movable frame can be adjusted at the moment, the adjusting block is pulled outwards, the clamping column is driven through the connecting rod to stretch out the hollow sliding block to be clamped with the clamping grooves which are distributed on the inner side of the sliding rail groove of the movable frame at equal intervals again, and the movable frame is fixed again.

Furthermore, vertical shock attenuation unit includes four slant movable rods that end to end swing joint formed parallelogram structure, is connected with tensile buffering subassembly between the both sides swing joint node of parallelogram structure.

When vertical vibrations produced, four slant movable rods were parallelogram structure, and the parallelogram structure of four slant movable rods produces deformation, and tensile buffering subassembly produces the vertical vibrations of horizontal tensile deformation buffering to have the trend of retracting to original state simultaneously, upwards cushion the activity, the shock attenuation is effectual.

Further, horizontal shock attenuation unit includes drum subassembly, slip subassembly and horizontal buffering subassembly, and the drum subassembly is connected with the inboard that holds the chamber, and the slip unit mount holds the case side, drum subassembly and slip subassembly sliding connection, and install horizontal buffering subassembly in the drum subassembly.

When the transport case transversely shakes and produces, because the fretwork drum of drum subassembly is connected as an organic wholely with the transport case, the circle slider of slip subassembly also holds the case through horizontal movable rod swing joint, and the fretwork drum of drum subassembly and the circle slider of slip subassembly slide and let the horizontal buffering subassembly produce deformation buffering vibrations, and the part of holding the case is conducted with the vibrations of transport case weakens.

Compared with the prior art, the invention has the beneficial effects that: this cold chain logistics safety conveyer has following benefit:

1. the goods to be transported are placed in the middle storage lattice in the containing box, the cold chain refrigeration unit is used for performing cold chain refrigeration on the inside of the transport box, the temperature is transferred into the containing box with the side surfaces and the top surface being hollow, the vertical shock absorption unit can buffer the vertical shock of the transport box, the vertical shock is prevented from being transferred to the containing box containing the goods, the transverse shock absorption unit can buffer the transverse shake, and therefore the safe transportation of cold chain logistics is achieved;

2. when the articles are less and cannot fill the whole storage cell, the movable frame is transversely pushed to move towards the articles without the storage cell until the movable frame contacts the articles, then the adjusting block is loosened, the compression spring of the movable frame rebounds, the clamping columns at the two ends are driven by the connecting rod to extend out of the hollow sliding block and be clamped with the clamping grooves which are distributed at equal intervals on the inner sides of the sliding rail grooves of the movable frame, at the moment, the mounting frame and the hollow net buffer unit are close to the articles as much as possible under the action of the extension spring of the movable frame, and the articles without the storage cell are fixed;

3. the hollow net buffer unit on the installation frame fixes the articles, and if the end faces of the articles are uneven, the hollow net buffer unit connected elastically can increase the contact area with the articles due to the fact that the movable frame extension spring provides buffer force, so that the position of the articles is fixed, and the articles are prevented from moving.

4. The buffering net contacts the article that is not filled, torsion cushioning effect through torsion buffering subassembly provides the cushion force for the buffering net, carry out the shock attenuation buffering to article, spacing net can avoid article to receive buffering net buffering back home range still too big, avoid article buffering home range too big to lead to inside removal to appear clearance shock attenuation cushioning effect decline, article when rocking impact the buffering net, the buffering net is through connecting strip pulling stay cord, because the stay cord winding is on the torsion shaft, thereby there is pulling torsion shaft pivoted trend, and torsion spring provides the reverse effort of torsion to the torsion shaft, thereby cushion the pulling force that the stay cord received, finally realize the buffering cushioning effect to the buffering net.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a top cross-sectional view of the present invention;

FIG. 3 is a schematic view of a rear vertical section of the present invention;

FIG. 4 is a schematic sectional view of the movable partition unit for articles according to the present invention;

FIG. 5 is a schematic structural view of a hollow-out net buffer unit and a mounting frame according to the present invention;

FIG. 6 is a schematic view of a torsion damping assembly according to the present invention;

FIG. 7 is an enlarged view of the locking unit of the door of the present invention;

FIG. 8 is a schematic view of a partial cross-sectional configuration of the shipping container and container door of the present invention;

FIG. 9 is a schematic structural view of a vertical damping unit according to a first embodiment of the present invention;

FIG. 10 is a schematic structural view of a vertical damping unit according to a second embodiment of the present invention;

FIG. 11 is an enlarged view of the lateral shock absorbing unit according to the present invention.

In the figure: 1 transport case, 2 door, 3 containing case, 4 article activity separating units, 41 movable frame, 42 hollowed-out net buffer unit, 421 limit net, 422 buffer net, 423 connecting bar, 424 pull rope, 425 torsion shaft, 426 torsion spring, 43 regulating block, 44 connecting rod, 45 movable frame compression spring, 46 hollow slide block, 47 clamping column, 48 mounting frame, 49 movable frame extension spring, 5 door locking unit, 51U-shaped mounting rack, 52 locking bar, 53 torsion spring, 54 limit cushion block, 55 wedge-shaped clamping block, 56 pull ring, 57 rotating shaft, 6 vertical damping unit, 611 triangle block I, 612 telescopic rod, 613 telescopic rod compression spring, 614 connecting block I, 621 triangle block II, oblique movable rod, 623 triangle connecting plate, 624 sleeve, 625 sliding rod, 626 limit nut, 627 connecting block II, 628 sliding rod extension spring, 7 transverse damping unit, 71 connecting block I, 72 short rod, 73 hollowed-out cylinder, B hollow damping unit, B hollow cylinder, 74 round sliding blocks, 75 transverse movable rod compression springs, 76 transverse movable rods, 77 connecting seats II, 8 negative ion nozzle swing units, 81 transverse sliding grooves, 82 limiting blocks, 83 racks, 84 special-shaped gear I, 85 reciprocating frames, 86L-shaped connecting rods, 87 motors, 88 special-shaped gear II, 9 cold chain refrigerating units, 91 compressors, 92 condensers, 93 expansion valves, 94 evaporators, 95 heat dissipation fans, 10 containing box partition plates, 11 sealing strips, 12 sealing grooves, 13 control modules, 14 air inlet filter screens, 15 supports, 16 strong magnet I, 17 strong magnet II, 18 movable frame sliding rails, 19 locking blocks, 20 air outlet filter screens, 21 storage batteries, 22 transport box vertical partition plates, 23 equipment cavity transverse partition plates, 24 negative ion generators, 25 hard pipes, 26 flexible pipes and 27 negative ion nozzles.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows: please refer to fig. 1 and fig. 3, a cold chain logistics safety transportation device, including transport case 1, hold case 3, vertical shock attenuation unit 6, horizontal shock attenuation unit 7 and cold chain refrigeration unit 9, transport case 1 is inside to be separated for the equipment chamber that holds the chamber and the rear side of front side through transport case vertical division board 22, hold the intracavity and be provided with side and the hollow-out case 3 of top surface, hold the bottom four corners of case 3 respectively through vertical shock attenuation unit 6 with hold the support 15 swing joint in chamber bottom four corners, hold the inside both sides that the chamber was held to both sides of case 3 through horizontal shock attenuation unit 7 swing joint, opening one side of transport case 1 articulates there is chamber door 2 that is used for closing the open-ended, be provided with in the equipment chamber and be used for the refrigerated cold chain refrigeration unit 9 of cold chain. The article of required transportation is placed to well matter storage lattice holding incasement, is used for carrying out the cold chain refrigeration in the transport case 1 through cold chain refrigerating unit 9 to in the temperature passed leading-in side and the top surface fretwork hold case 3, vertical vibrations of transport case can be cushioned to vertical shock attenuation unit 6, avoid vertical vibrations to conduct for holding the case that holds the article, horizontal rocking can be cushioned to horizontal shock attenuation unit 7, thereby realize cold chain commodity circulation safety transportation.

Referring to fig. 4, the storage box 3 is divided into storage cells distributed vertically by a storage box dividing plate 10, each storage cell is connected with an article movable dividing unit 4 in a sliding manner by a transverse movable frame sliding rail 18, and then the position of an article not filled with the storage cell is fixed by the article movable dividing unit;

the article movable partition unit 4 comprises a movable frame 41 and a hollow net buffer unit 42, wherein the inner side of the movable frame 41 is connected with the hollow net buffer unit 42 of which the outer edge is wrapped with a mounting frame 48 through an elastic component.

The elastically connected hollow net buffer unit 42 can increase the contact area with the article, so that the position of the article is fixed conveniently, and the article is prevented from moving; the elastic assembly adopts a movable frame extension spring 49, the installation frame 48 is installed around the hollowed-out net buffer unit 42, and the outer side of the installation frame 48 is elastically connected with the inner side surface of the movable frame 41 through the movable frame extension spring 49;

the hollow net buffer unit 42 on the mounting frame 48 fixes the article, and if the end surface of the article is uneven, the mounting frame 48 and the hollow net buffer unit 42 are close to the article as much as possible under the action of the movable frame extension spring 49 because the movable frame extension spring 49 provides buffer force;

referring to fig. 5 and 6, the hollow-out net buffer unit 42 includes a limiting net 421 and a buffer net 422, the limiting net 421 is clamped on one side of the inside of the mounting frame 48 by a clamping member, and the other side of the inside of the mounting frame 48 is connected to the buffer net 422 by a torsion buffer assembly.

Buffering net 422 contacts the article that not fill, and the torsion cushioning effect through torsion buffering subassembly provides the cushion force for buffering net 422, cushions article damping, and spacing net 421 can avoid article to receive buffering net 422 buffering back home range still too big, avoids article buffering home range too big to lead to inside to remove the damping cushioning effect in clearance to descend.

The torsion buffer assembly comprises connecting strips 423, pull ropes 424, a torsion shaft 425 and a torsion spring 426, wherein mounting grooves are formed in the upper side and the lower side of the inside of the mounting frame 48 corresponding to the buffer net 422 at equal intervals and are rotatably connected with the torsion shaft 425, the torsion spring 426 is mounted at two ends of the torsion shaft 425, one end of the torsion spring 426 is fixedly connected with the end of the mounting groove, the other end of the torsion spring 426 is fixed in a fixing hole of the torsion shaft 425, the middle of the torsion shaft 425 is fixedly connected with one end of the pull rope 424, the upper side and the lower side of the buffer net 422 are respectively fixed with the connecting strips 423, the pull rope 424 is wound.

When the article shakes, the buffer net 422 impacts, the pull rope 424 is pulled by the buffer net 422 through the connecting strips 423, the pull rope 424 is wound on the torsion shaft 425, so that the torsion shaft 425 tends to be pulled to rotate, and the torsion spring 426 provides a reverse torsion acting force for the torsion shaft 425, so that the pulling force applied to the pull rope 424 is buffered, and finally the buffer and shock absorption effects on the buffer net 422 are realized.

Referring to fig. 4, the article moving partition unit 4 further includes a limiting component for limiting the position of the movable frame 41 and an adjusting component for adjusting the limiting component, the limiting component can limit the position of the movable frame 41 on the movable frame slide rail 18, and the adjusting component can drive the limiting component to conveniently change the position of the movable frame 41 on the movable frame slide rail 18.

The limiting assembly is composed of a hollow sliding block 46 and clamping columns 47, the upper side and the lower side of the movable frame 41 are provided with the hollow sliding block 46 which is in sliding connection with the movable frame sliding rail 18, and the clamping columns 47 penetrate through a through groove in the front side of the hollow sliding block 46 and are clamped with clamping grooves which are distributed on the inner side of the rail groove of the movable frame sliding rail 18 at equal intervals.

The hollow slide block 46 is slidably mounted in a rail groove of the movable frame slide rail 18, and the clamping column extends out of the clamping groove of the hollow slide block and is clamped in the inner side of the rail groove of the movable frame slide rail 18 at equal intervals to limit the movable frame 41.

The adjusting assembly comprises regulating block 43 and connecting rod 44, and the inside vertical cavity that is equipped with of movable frame 41 front side, and vertical cavity and the inside intercommunication of cavity slider 46, the inside vertical connecting rod 44 that is equipped with of vertical cavity, the both ends of connecting rod 44 stretch into in cavity slider 46 and connect two card posts 47 respectively, the front side of connecting rod 44 is connected with regulating block 43, regulating block 43 passes the slide opening of movable frame 41 front side and vertical cavity intercommunication.

The adjusting block 43 is pressed down, the connecting rod 44 drives the clamping column 47 to retract to the hollow sliding block 46, the movable frame 41 can slide on the movable frame sliding rail 18 at the moment, the position of the movable frame 41 can be adjusted at the moment, the adjusting block 43 is pulled outwards, the connecting rod 44 drives the clamping column 47 to extend out of the hollow sliding block 46 to be clamped again with clamping grooves which are distributed on the inner side of the rail groove of the movable frame sliding rail 18 at equal intervals, and the position of the movable frame 41 is fixed again.

The article movable partition unit 4 further comprises a movable frame compression spring 45, and the rear side of the connecting rod 44 is connected with the rear side of the vertical cavity through the movable frame compression spring 45;

placing articles needing cold chain transportation in the storage lattice, when more articles can fill the whole storage lattice, pressing the adjusting block 43 to drive the connecting rod 44 to compress the movable frame compression spring 45, the clamping columns 47 at the two ends of the connecting rod 44 are separated from the clamping grooves which are equidistantly distributed on the inner side of the rail groove of the movable frame slide rail 18 and retract to the hollow slide block 46, transversely pushing the movable frame 41 to one side of the storage lattice without using, when less articles can not fill the whole storage lattice, transversely pushing the movable frame 41 to move towards the direction of the articles which are not full of the storage lattice until the movable frame 41 contacts the articles, then loosening the adjusting block 43, rebounding the movable frame compression spring 45, driving the clamping columns 47 at the two ends to stretch out of the hollow slide block 46 through the connecting rod 44 and be clamped with the clamping grooves which are equidistantly distributed on the inner side of the rail groove of the movable frame slide rail 18 again, and at the moment, the mounting frame and the, the fixing of the articles which are not filled with the storage compartments is completed.

Referring to fig. 9, the vertical damping unit 6 includes two oblique damping members having a V-shaped structure.

The two ends of the slant buffering assembly are movably connected, and the included angle of the two slant buffering assemblies of the V-shaped structure can be changed when vertical vibration needs to be buffered.

The slant buffering component comprises an expansion link 612 and an expansion link compression spring 613, two ends of the expansion link 612 are movably connected with the bottom of the containing box 3 and the bottom of the containing cavity respectively, and the expansion link compression spring 613 is sleeved on the side surface of the expansion link 612.

When the vertical vibration is generated, the two telescopic rods can stretch, and the telescopic rod compression spring can generate deformation to buffer the vertical vibration when the telescopic rods stretch;

vertical shock attenuation unit 6 still includes three hornblocks 611 and connecting block 614, and the bottom of three hornblocks 611 is connected with the top that holds the support 15 of chamber bottom, and the top of three hornblocks 611 respectively with the bottom swing joint of two telescopic links 612, has cup jointed telescopic link compression spring 613 on the telescopic link 612, two connecting block 614 of two telescopic links 612's top swing joint respectively, and two connecting block 614 are fixed in the bottom that holds case 3.

Referring to fig. 11, the horizontal damping unit 7 includes a cylinder assembly, a sliding assembly and a horizontal buffering assembly, the cylinder assembly is connected to the inner side of the containing cavity, the sliding assembly is installed on the side of the containing box 3, the cylinder assembly is connected to the sliding assembly in a sliding manner, and the horizontal buffering assembly is installed in the cylinder assembly.

The cylinder component consists of a short rod 72 and a hollow cylinder 73, the sliding component consists of a circular slider 74 and a transverse movable rod 76, and the transverse buffering component can adopt a transverse movable rod to compress a spring 75;

horizontal shock attenuation unit 7 still includes connecting seat one 71 and connecting seat two 77, one side of connecting seat one 71 is fixed at the top of transport case 1 inboardly, the one end of fretwork drum 73 is connected through quarter butt 72 to the opposite side of connecting seat one 71, sliding connection has horizontal movable rod 76 in the other end sliding hole of fretwork drum 73, the one end of horizontal movable rod 76 extends to in the fretwork drum 73 and be connected with the round slider 74 with fretwork drum 73 inner wall sliding connection, horizontal movable rod 76 is located the part cup jointed horizontal movable rod compression spring 75 of fretwork drum 73, the other end swing joint of horizontal movable rod 76 is fixed at connecting seat two 77 that holds the case 3 top outside.

When transport case 1 transversely shakes and produces, because fretwork drum 73 is connected as an organic wholely with transport case 1, circle slider 74 also holds case 3 through horizontal movable rod 76 swing joint, and fretwork drum 73 and circle slider 74 slide and let horizontal movable rod compression spring 75 produce deformation buffering vibrations, and the part of holding case 3 is weakened in the vibration conduction of transport case 1.

Specifically, please refer to fig. 7, further comprising a door locking unit 5 and a locking block 19, wherein the locking block 19 is fixed on one side of the opening of the transportation box 1 corresponding to the door 2, the door locking unit 5 comprises a U-shaped mounting frame 51, a locking rod 52, a torsion spring 53, a limiting cushion block 54, a wedge-shaped fixture block 55, a pull ring 56 and a rotating shaft 57, the U-shaped mounting frame 51 is fixed on the side surface of the door 2, a vertical rotating shaft 57 is fixed on the U-shaped mounting frame 51, the middle part of the rotating shaft 57 is rotatably connected with one end of the locking rod 52, the other end of the locking rod 52 is connected with the wedge-shaped fixture block 55 clamped with the wedge-shaped groove of the locking block 19, two torsion springs 53 are respectively sleeved on two ends of the rotating shaft 57, one end of the torsion spring 53 is connected with the end of the locking rod 52 and the other end of the U-shaped mounting frame 51, the limiting cushion block 54, and the end of the locking lever 52 remote from the U-shaped mounting bracket 51 is provided with a pull ring 56. Torsion spring 53 in chamber door locking unit 5 exerts torsion to locking lever 52 all the time and makes locking lever 52 perpendicular to 2 leading flank of chamber door, when chamber door 2 closed, wedge face of wedge fixture block 55 contacts locking block 19 front side earlier, because wedge face and locking block 19 front side sliding contact, drive locking lever 52 and open, when wedge fixture block 55 corresponds the wedge groove of locking block 19, torsion spring 53 presses locking lever 52, make the wedge fixture block 55 joint of locking lever 52 tip to the wedge inslot of locking block 19, can lock chamber door 2, when opening chamber door 2, only need stimulate pull ring 56, wedge fixture block 55 and the wedge groove separation of locking block 19 of locking lever 52 tip, can pull open chamber door 2.

Specifically, please refer to fig. 2 and fig. 3, further comprising an anion nozzle swing unit 8, an anion generator 24 and an anion nozzle 27, wherein the anion nozzle swing unit 8 comprises a horizontal sliding slot 81, a limiting block 82, a rack 83, a first special-shaped gear 84, a reciprocating frame 85, an L-shaped connecting rod 86, a motor 87 and a second special-shaped gear 88, the equipment cavity is divided into an upper anion equipment cavity and a lower refrigeration equipment cavity by a horizontal equipment cavity horizontal dividing plate 23, the two sides of the bottom of the side surface of the transport box vertical dividing plate 22 in the anion equipment cavity are fixed with the corresponding limiting block 82, a playground runway type reciprocating frame 85 is arranged between the two limiting blocks 82, the upper and lower surfaces of the inner side of the reciprocating frame 85 are provided with teeth at equal intervals, the rear side in the anion equipment cavity is provided with the motor 87, the output shaft of the motor 87 extends to the inner side of the reciprocating frame 85 and is, the side surface of the special-shaped gear I84 is provided with one fourth of continuous gear teeth, the gear teeth of the special-shaped gear I84 are alternately meshed with the teeth on the upper and lower surfaces of the inner side of the reciprocating frame 85 when driven by the motor 87 to rotate, the two ends of the reciprocating frame 85 are respectively connected with the end parts of the horizontal parts of the L-shaped connecting rods 86, the horizontal parts of the two L-shaped connecting rods 86 are transversely and slidably connected with the limiting holes on the limiting blocks 82, the top ends of the vertical parts of the two L-shaped connecting rods 86 are connected with the bottoms of the two ends of the rack 83, the middle part of one side of the transport box vertical partition plate 22 positioned in the negative ion equipment cavity is provided with a transverse sliding groove 81, the transverse sliding groove 81 is transversely and slidably connected with the upper and lower sides of the rack 83, the transport box vertical partition plate 22 is provided with a transverse through groove communicated with the containing cavity and the transverse sliding groove 81, one side of the transport box, the gear teeth of the special-shaped gear II 88 penetrate through the transverse through groove and are meshed and connected with the gear teeth of the rack 83;

the negative ion generator 24 is arranged in the negative ion equipment cavity, the negative ion outlet of the negative ion generator 24 is connected with one end of the hard tube 25, the other end of the hard tube 25 penetrates through the vertical partition plate 22 of the transport box to extend to the containing cavity and is connected with the negative ion nozzle 27 through the flexible tube 26, the negative ion nozzle 27 is fixed at the front end of the special-shaped gear II 88 without gear teeth, and the input ends of the negative ion generator 24 and the motor 87 are electrically connected with the output end of the control module 13 fixed on the outer side of the transport box 1;

the control module 13 controls the anion generator 24 to work to generate anions, the anions are released to the transportation box 1 through the hard tube 25, the flexible tube 26 and the anion nozzle 27 in sequence and finally enter the containing box 3 with hollowed side surfaces and top surfaces, the control module 13 controls the motor 87 to operate, the motor 87 drives the special-shaped gear I84 to rotate, the gear teeth of the special-shaped gear I84 are alternately meshed with the teeth on the upper and lower surfaces of the inner side of the reciprocating frame 85, because the horizontal parts of two L-shaped connecting rods 86 fixed at the two ends of the reciprocating frame 85 are transversely and slidably connected with the limiting holes on the limiting blocks 82, the reciprocating frame 85 can be driven by the rotation of the special-shaped gear I84 to reciprocate, the reciprocating frame 85 drives the rack 83 to reciprocate in the transverse sliding groove 81 through the L-shaped connecting rods 86, the rack 83 can drive the gear II 88 to rotate forwards and backwards in a reciprocating mode by a certain angle, and accordingly the anion nozzle 27, the number of teeth that swing angle can be through adjusting one 84 sides of shaped gear determines for sixty degrees, makes anion release range increase, lets the quick extension of anion stretch to holding in the case 3, and the anion can purify the air in the transport case 1, guarantees inside clean, if article are for giving birth to the bright type, can play certain fresh-keeping effect.

Specifically, please refer to fig. 3, further comprising an air inlet filter screen 14, an air outlet filter screen 20 and a storage battery 21, wherein an air inlet and an air outlet are respectively formed on two sides of the transportation box 1 corresponding to the refrigeration equipment cavity, the air inlet is provided with the air inlet filter screen 14 and the air outlet is provided with the air outlet filter screen 20, the storage battery 21 is installed on one side of the refrigeration equipment cavity close to the air inlet filter screen 14, at least three vertical storage batteries 21 are arranged at equal intervals, an air channel is reserved between every two storage batteries 21, an output end of the storage battery 21 is electrically connected with an input end of the control module 13 through a wire, the cold chain refrigeration unit 9 comprises a compressor 91, a condenser 92, an expansion valve 93, an evaporator 94 and a cooling fan 95, the cooling fan 95 is installed on one side close to the air outlet filter screen 20 through a mounting bracket, the compressor, the other end of the condenser 92 is connected with one end of the evaporator 94 through the expansion valve 93, the other end of the evaporator 94 is connected with an input port of the compressor 91, the input ends of the compressor 91 and the cooling fan 95 are electrically connected with the output end of the control module 13, the evaporator 94 is a snakelike copper pipe and is sequentially distributed on one side of the side wall of the transport case 1 close to the inside, the transport case 1 and the case door 2 are both composite plates with built-in heat insulation layers, the composite plates can be formed by compounding a stainless steel plate, a foam heat insulation plate and an injection molding plate from outside to inside, and the evaporator 94 is installed in the injection molding plate. Provide electric power by battery 21, it starts in advance to control compressor 91 and radiator fan 95 through control module 13, compressor 91 is as refrigerated power supply, radiator fan 95 dispels the heat to the exothermic high temperature state of refrigerant liquefaction in the condenser 92, make the interior refrigerant evaporation endothermal temperature of evaporimeter 94 reduce, then low temperature conduction is to the inboard of transport case 1 that has the insulating layer, it is in cold chain low temperature state to hold case 3 in the transport case 1 to maintain, radiator fan 95 makes refrigeration plant chamber circulation of air, the distribution mode of battery 21 also conveniently takes away the heat that battery 21 work produced when the circulation of air, guarantee the safety in utilization of battery, air inlet filter screen 14 and air-out filter screen 20 can filter debris when the circulation of air.

Specifically, please refer to fig. 8, further include sealing strip 11, seal groove 12, strong magnetic block one 16 and strong magnetic block two 17, annular seal groove 12 is opened to the front side of transport case 1, be provided with strong magnetic block one 16 in the seal groove 12, and the side of chamber door 2 is equipped with the annular sealing strip 11 that corresponds the complex with seal groove 12, sealing strip 11 embeds has strong magnetic block two 17, strong magnetic block one 16 and the corresponding side magnetic pole of strong magnetic block two 17 realize magnetism to inhale the connection oppositely, sealing strip 11 can adopt flexible strip, for example, the rubber strip, inhale through strong magnetic block one 16 and strong magnetic block two 17 and can compress tightly sealing strip 11 in seal groove 12, realize the sealing connection of chamber door 2 and transport case 1.

Example two: referring to fig. 10, the vertical damping unit 6 includes four slant movable rods 622 movably connected end to form a parallelogram structure, and a stretching buffer assembly is connected between two movable connection nodes on two sides of the parallelogram structure.

When vertical vibrations produced, four slant movable rods were parallelogram structure, and the parallelogram structure of four slant movable rods produces deformation, and tensile buffering subassembly produces the vertical vibrations of horizontal tensile deformation buffering to have the trend of retracting to original state simultaneously, upwards cushion the activity, the shock attenuation is effectual.

The tension buffering assembly may employ a slide bar tension spring 628;

vertical shock-absorbing unit 6 still includes two triangular blocks 621, the triangle connecting plate 623, sleeve 624, slide bar 625 and two connecting block 627, sleeve 624 has been cup jointed in the slip of the both ends of slide bar 625, be provided with the activity between two sleeves 624 and cup joint the slide bar extension spring 628 at slide bar 625 middle part, two sleeves 624 of slide bar extension spring 628's both ends difference fixed connection, the triangle connecting plate 623 of downside difference swing joint slant movable rod 622's one end on sleeve 624, two triangular blocks 621 of the equal swing joint top of the other end of two slant movable rod 622 of top, two triangular blocks 621 of the equal swing joint below of the other end of two slant movable rod 622 of below, two triangular blocks 621 of below are connected with the top of the support 15 that holds the chamber bottom, and two triangular blocks 621 of top fix the bottom at holding case 3 through two connecting block 627. When vertical vibrations produced, four slant movable rods were the parallelogram structure, and two atress of connecting block are down moved about, and the parallelogram of four slant movable rods produces deformation, through two sleeve extension slide bar extension spring, slide bar extension spring produces horizontal tensile deformation and cushions vertical vibrations to have the trend of retracting to original state simultaneously.

The vertical damping unit 6 further includes a limit nut 626, and both ends of the sliding rod 625 are respectively connected with the limit nut 626 through threads. The limiting nut 626 limits the sliding rod 625 to prevent the sliding rod 625 from separating from the sleeve 624.

When in use:

1): the cold chain refrigeration unit 9 is started in advance, the storage battery 21 provides power, the control module 13 controls the compressor 91 and the radiating fan 95 to be started in advance, the compressor 91 serves as a refrigeration power source, the radiating fan 95 radiates a high-temperature state of liquefaction and heat release of the refrigerant in the condenser 92, the temperature of evaporation and heat absorption of the refrigerant in the evaporator 94 is reduced, then the low temperature is conducted to the inner side of the transport case 1 with a heat insulation layer, and the storage case 3 in the transport case 1 is maintained to be in a cold chain low-temperature state; the storage battery 21 can be internally provided with a charging circuit, a charging port of the charging circuit is arranged on the transport box 1, the charging port can be connected with an output electrical interface of the vehicle-mounted generator through a conducting wire, and the stored electricity in the storage battery 21 is used as the guarantee electric energy of internal electric equipment when the transport box 1 is loaded and unloaded;

2): placing and fixing articles, placing the articles to be transported by a cold chain in the storage lattices, pressing the adjusting block 43 to drive the connecting rod 44 to compress the movable frame compression spring 45, separating the clamping columns 47 at the two ends of the connecting rod 44 from the clamping grooves which are equidistantly distributed on the inner side of the rail groove of the movable frame slide rail 18 and retracting to the hollow slide block 46, transversely pushing the movable frame 41 to move towards the direction of the articles which are not full of the storage lattices until the movable frame 41 contacts the articles, then loosening the adjusting block 43, rebounding the movable frame compression spring 45, driving the clamping columns 47 at the two ends to extend out of the hollow slide block 46 through the connecting rod 44 and clamping the clamping grooves which are equidistantly distributed on the inner side of the rail groove of the movable frame slide rail 18 again to finish the fixation of;

3): the box door 2 is closed, the sealing strip 11 on the box door 2 is clamped with the sealing groove 12 formed in the front side of the transport box 1, and the box door 2 is hermetically connected with the transport box 1 through magnetic attraction of the first strong magnetic block 16 and the second strong magnetic block 17;

4): the door 2 is locked through the door locking unit 5, the torsion spring 53 in the door locking unit 5 always applies torsion to the lock rod 52 to enable the lock rod 52 to be perpendicular to the front side surface of the door 2, in the third step, when the door 2 is closed, the wedge-shaped surface of the wedge-shaped fixture block 55 firstly contacts with the front side of the locking block 19, the wedge-shaped surface is in sliding contact with the front side of the locking block 19 to drive the lock rod 52 to be opened, and when the wedge-shaped fixture block 55 corresponds to the wedge-shaped groove of the locking block 19, the torsion spring 53 presses the lock rod 52 to enable the wedge-shaped fixture block 55 at the end part of the lock rod 52 to be clamped in;

5): the negative ions are released to complete air purification of the containing box 3, the control module 13 controls the negative ion generator 24 to work to generate negative ions, the negative ions are released to the transport box 1 sequentially through the hard tube 25, the flexible tube 26 and the negative ion nozzle 27, and finally enter the containing box 3 with the side surface and the top surface being hollowed out, and the negative ion nozzle swing unit 8 can enable the negative ion nozzle 27 to swing left and right, so that the negative ion release range is enlarged;

6): transport of transport case 1, with transport case 1 loading, transport case 1 independently accomplishes the refrigeration when the loading or unload, can cushion through vertical shock attenuation unit 6 and horizontal shock attenuation unit 7 and hold vertical and horizontal vibrations that case 3 received in the transportation, realizes safe transportation.

It should be noted that the control module 13 disclosed in this embodiment may adopt a PLC single chip microcomputer, the motor 87, the compressor 91, the cooling fan 95, and the anion generator 24 may select appropriate power and size according to actual conditions, and the control module 13 controls the motor 87, the compressor 91, the cooling fan 95, and the anion generator 24 to operate by a method commonly used in the prior art. Other parts of the invention not described in detail are conventional techniques known to the person skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. Cold chain commodity circulation safety conveyer, its characterized in that: including transport case (1), hold case (3), vertical shock attenuation unit (6), horizontal shock attenuation unit (7) and cold chain refrigeration unit (9), the chamber that holds of transport case (1) is provided with and holds case (3), the bottom four corners that holds case (3) respectively through vertical shock attenuation unit (6) with hold chamber bottom swing joint, the inside both sides that hold the chamber through horizontal shock attenuation unit (7) swing joint in both sides that hold case (3), the articulated chamber door (2) that are used for closing the open-ended that have one side of opening of transport case (1), be provided with in the equipment intracavity of transport case (1) and be used for the refrigerated cold chain refrigeration unit (9) of cold chain.

2. The cold-chain logistics safety transportation device of claim 1, characterized in that: still include article activity and separate unit (4), hold case (3) inside and separate for the matter storage lattice that distributes from top to bottom through holding case division board (10), have article activity through horizontal movable frame slide rail (18) sliding connection in every matter storage lattice and separate unit (4).

3. The cold-chain logistics safety transportation device of claim 2, characterized in that: the article movable separation unit (4) comprises a movable frame (41) and a hollow net buffer unit (42), wherein the inner side of the movable frame (41) is connected with the hollow net buffer unit (42) of which the outer edge is wrapped with an installation frame (48) through an elastic assembly.

4. The cold-chain logistics safety transportation device of claim 3, characterized in that: the fretwork net buffer unit (42) includes spacing net (421) and buffering net (422), inside one side of installing frame (48) has spacing net (421) through the fastener joint, the inside opposite side of installing frame (48) is through torsion buffering subassembly connection buffering net (422).

5. The cold-chain logistics safety transportation device of claim 4, wherein: the torsion buffer assembly comprises connecting strips (423), a pull rope (424), a torsion shaft (425) and torsion springs (426), wherein the upper side and the lower side inside the mounting frame (48) are provided with mounting grooves corresponding to the buffer nets (422) at equal intervals, the torsion shaft (425) is rotationally connected with the mounting grooves, the torsion springs (426) are mounted at two ends of the torsion shaft (425), one end of each torsion spring (426) is fixedly connected with the end of each mounting groove, the other end of each torsion spring (426) is fixed in a fixing hole of the torsion shaft (425), the middle of each torsion shaft (425) is fixedly connected with one end of the pull rope (424), the upper side and the lower side of each buffer net (422) are respectively fixed with the connecting strips (423), and the pull rope (424) is wound on the torsion shaft (425).

6. The cold-chain logistics safety transportation device of any one of claims 3, 4 and 5, wherein: the article movable separation unit (4) also comprises a limiting component for limiting the position of the movable frame (41) and an adjusting component for adjusting the limiting component.

7. The cold-chain logistics safety transportation device of claim 6, wherein: spacing subassembly comprises cavity slider (46) and card post (47), the upper and lower side of activity frame (41) is equipped with cavity slider (46) with activity frame slide rail (18) sliding connection, card post (47) pass the front side logical groove of cavity slider (46) and with activity frame slide rail (18) rail inslot side equidistance distribution's draw-in groove joint.

8. The cold-chain logistics safety transportation device of claim 6, wherein: the adjustment subassembly comprises regulating block (43) and connecting rod (44), and the inside vertical cavity that is equipped with of movable frame (41) front side, and vertical cavity and the inside intercommunication of cavity slider (46), the inside vertical connecting rod (44) that is equipped with of vertical cavity, the both ends of connecting rod (44) stretch into in cavity slider (46) and connect two card posts (47) respectively, and the front side of connecting rod (44) is connected with regulating block (43), regulating block (43) pass the slide opening of movable frame (41) front side and vertical cavity intercommunication.

9. The cold-chain logistics safety transportation device of claim 1, characterized in that: vertical shock attenuation unit (6) include four head and the tail swing joint and form slant movable rod (622) of parallelogram structure, are connected with tensile buffering subassembly between the both sides swing joint node of parallelogram structure.

10. The cold-chain logistics safety transportation device of claim 1, characterized in that: horizontal shock attenuation unit (7) include drum subassembly, slip subassembly and horizontal buffering subassembly, and the drum subassembly is connected with the inboard that holds the chamber, and the slip unit mount holds case (3) side, drum subassembly and slip subassembly sliding connection, and install horizontal buffering subassembly in the drum subassembly.

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