CN117246651B - Fresh-keeping transport case of litchi - Google Patents

Fresh-keeping transport case of litchi Download PDF

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Publication number
CN117246651B
CN117246651B CN202311516000.2A CN202311516000A CN117246651B CN 117246651 B CN117246651 B CN 117246651B CN 202311516000 A CN202311516000 A CN 202311516000A CN 117246651 B CN117246651 B CN 117246651B
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China
Prior art keywords
fresh
litchi
keeping
buffering
air
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CN202311516000.2A
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Chinese (zh)
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CN117246651A (en
Inventor
王光焰
李志强
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Guangzhou City Construction College
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Guangzhou City Construction College
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Priority to CN202311516000.2A priority Critical patent/CN117246651B/en
Publication of CN117246651A publication Critical patent/CN117246651A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2069Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere
    • B65D81/2076Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere in an at least partially rigid container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • B65D25/10Devices to locate articles in containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/34Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for fruit, e.g. apples, oranges or tomatoes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)

Abstract

The invention relates to a litchi fresh-keeping transport case, which aims to solve the technical problems that the box type structure for the current litchi fresh-keeping transport is simple and the litchi is easy to collapse and damage, and comprises an air-conditioning fresh-keeping case and a plurality of groups of ridge brackets; the ridge bracket comprises a buffering backbone, a damping support, an air injection mechanism and a swing arm unit; according to the invention, by constructing the multiple groups of ridge brackets which are staggered, the adjacent two ridge brackets are staggered to form a first placement area, the side edges of the ridge brackets are formed into a second placement area, and the first placement area is of a dense-tooth structure and is used for placing single litchis with stems cut off so as to prevent the single litchis from falling off, and the staggered placement of the single litchis is facilitated, so that the damage rate caused by extrusion is reduced; the second is placed the district and is the broach structure, utilizes this broach structure can be used for placing the group litchi of taking branch and leaf, places on the broach structure through the stress frame of branch and leaf, further reduces litchi extruded possibility, is favorable to improving the fresh-keeping quality of litchi.

Description

Fresh-keeping transport case of litchi
Technical Field
The invention relates to the technical field of litchi fresh-keeping transportation, in particular to a litchi fresh-keeping transportation box.
Background
The fresh-keeping difficulty of litchi is very high, and at present, a chemical agent fresh-keeping method, a low-temperature storage fresh-keeping method, an air-conditioning storage fresh-keeping method and a quick-freezing storage fresh-keeping method are mainly adopted, and at present, the low-temperature storage fresh-keeping method and the air-conditioning storage fresh-keeping method are common methods. An air-conditioned fresh-keeping bag for fruits and vegetables, and its preparation method and application are disclosed in Chinese patent publication No. CN 112158473B.
The technical scheme in the above patent adopts bag-type fresh-keeping transportation, and the main problems that exist are: the bag body has simple structure and small space, the storage capacity is insufficient, and accumulated litchis are easy to squeeze and damage in the transportation process; the common box-type fresh-keeping transportation is adopted, the space is relatively large, the improvement of the transportation capacity is facilitated, but the existing box-type structure also has higher damage rate, and the main reason is that litchis are continuously piled up on a plane when being placed, jolt or shake is caused in the transportation process, especially in the vehicle transportation process, and the litchis are easy to collapse, so that the litchis are damaged, and the quality is affected. In view of this, we propose a litchi fresh-keeping transport case.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to the actual needs, and provide a litchi fresh-keeping transportation box so as to solve the technical problems that the box type structure for the current litchi fresh-keeping transportation is simple and the litchi is easy to collapse and damage.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: the litchi fresh-keeping transportation box comprises an air-conditioning fresh-keeping box and a plurality of groups of ridge brackets; the multiple groups of ridge brackets are fixedly arranged in a storage cavity of the air-conditioning fresh-keeping box;
wherein, the ridge brackets are staggered, so that two adjacent ridge brackets are staggered to form a first placement area, and the side edges of the ridge brackets form a second placement area;
the ridge bracket comprises a buffering backbone arranged along the long axis of the storage cavity, at least one group of damping supports are arranged at the bottom of the buffering backbone, the damping supports provide first damping force for the buffering backbone in the longitudinal direction, at least one group of air injection mechanisms are arranged at the top of the buffering backbone, and the end parts of the air injection mechanisms are in transmission connection with the end parts of the buffering backbone through swing arm units;
the nitrogen main pipe is penetrated in the buffering backbone, the input end of the nitrogen main pipe is communicated with the air supply mechanism of the air-conditioning fresh-keeping box, and the output end of the nitrogen main pipe is communicated with the input end of the air injection mechanism;
and the buffer backbone consists of a support wheel frame and a plurality of support units which are linearly arranged on the support wheel frame, and two adjacent support units are movably connected through a buffer air cushion, so that the buffer backbone provides a second buffer force for the first placing area and the second placing area in the transverse direction. According to the invention, by constructing the multiple groups of ridge brackets which are staggered and fixedly arranged in the air-conditioning fresh-keeping box, the adjacent two ridge brackets are staggered to form the first placement area, the side edges of the ridge brackets form the second placement area, and particularly, the staggered arrangement of the supporting arms is utilized to form a dense-tooth structure with relatively dense spacing, namely, the first placement area, the dense-tooth structure can be used for placing single litchis with stems cut off so as to prevent the single litchis from falling, and the staggered placement of the single litchis is facilitated, and the damage rate caused by extrusion is reduced; the comb tooth structure with a longer interval can be formed by single-side arrangement, namely the second placement area, the comb tooth structure can be used for placing group litchis with branches and leaves, the stress frame of the branches and leaves is placed on the comb tooth structure, the possibility of litchi extrusion is further reduced, and the litchi fresh-keeping quality is improved.
Preferably, the shock absorption support comprises a triangular fixing frame, the triangular fixing frame is fixedly arranged on a bottom plate of the air-conditioning fresh-keeping box, and a buffer connecting rod is movably connected to the upper part of the triangular fixing frame so that the buffer backbone has shock absorption restoring force in the longitudinal direction; wherein, the apex angle on one side of the buffer connecting rod is movably connected with the end part of the supporting wheel frame through a joint bearing.
Preferably, the air injection mechanism comprises a plurality of fasteners which are linearly arranged along the buffering backbone body part, the head parts of the fasteners are provided with movable grooves which are perpendicular to the buffering backbone body part, swing joints are movably connected in the movable grooves, one sides of the swing joints are provided with air inlets, the tops of the swing joints are provided with air outlets, the air inlets are communicated with the nitrogen main pipe through nitrogen branch pipes, and nozzles are arranged on the air outlets.
Preferably, two adjacent fasteners are connected with the swing arm unit through elastic couplings; one end of the elastic coupling penetrates through the head of the fastening piece and is fixedly connected with the swing joint.
Preferably, two adjacent swing arm units are arranged in a central symmetry manner.
Preferably, the swing arm unit comprises a cam, the middle part of the cam is movably connected with the end part of the buffering backbone through a cam shaft, the small head part of the cam is connected with a telescopic rod through a movable pin, and the fixed end of the telescopic rod is in transmission connection with the swing joint through an elastic coupling.
Preferably, the supporting wheel frame comprises at least one group of reinforcing rods, arc guide rails are arranged between the reinforcing rods at positions corresponding to the supporting units, and the arc guide rails positioned at the head end and the tail end are movably connected with the buffer connecting rods through joint bearings.
Preferably, the support unit comprises a plurality of torsion sections arranged along the long axis of the storage cavity, and the fastener is fixedly arranged on the top of the torsion sections; the end surfaces of two adjacent torsion joints are movably connected through a buffer air cushion; and at least one group of rollers are arranged at the bottom of the torsion joint, and the rollers are in rolling connection with the circular arc guide rail, so that each torsion joint has torsion restoring force in the transverse direction. According to the litchi vibration-absorbing device, the bendable buffering backbone and the vibration-absorbing support are designed, so that litchi placed on the first placement area and the second placement area has an excellent vibration-absorbing effect, meanwhile, vibration force is converted into deflection force for driving the swinging joint to swing in a reciprocating mode, vibration of a vehicle caused by jolt is converted and consumed again while vibration is effectively absorbed, and a stable storage environment is provided for fresh-keeping transportation of litchi.
Preferably, the torsion joints at the head end and the tail end are movably connected with the cam through a cam shaft; the middle part of the torsion joint is provided with a through hole, and a plurality of through holes are communicated to form a through channel of the nitrogen main pipe.
Preferably, the support unit further comprises a group of support arms, the support arms are of a Y-shaped structure, two opposite support arms are staggered to form a dense tooth structure, and the support arm positioned at one side forms a comb tooth structure.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by constructing the multiple groups of ridge brackets which are staggered and fixedly arranged in the air-conditioning fresh-keeping box, the adjacent two ridge brackets are staggered to form the first placement area, the side edges of the ridge brackets form the second placement area, and particularly, the staggered arrangement of the supporting arms is utilized to form a dense-tooth structure with relatively dense spacing, namely, the first placement area, the dense-tooth structure can be used for placing single litchis with stems cut off so as to prevent the single litchis from falling, and the staggered placement of the single litchis is facilitated, and the damage rate caused by extrusion is reduced; the comb tooth structure with a longer interval can be formed by single-side arrangement, namely the second placement area, the comb tooth structure can be used for placing group litchis with branches and leaves, the stress frame of the branches and leaves is placed on the comb tooth structure, the possibility of litchi extrusion is further reduced, and the litchi fresh-keeping quality is improved.
2. According to the litchi vibration-absorbing device, the bendable buffering backbone and the vibration-absorbing support are designed, so that litchi placed on the first placement area and the second placement area has an excellent vibration-absorbing effect, meanwhile, vibration force is converted into deflection force for driving the swinging joint to swing in a reciprocating mode, vibration of a vehicle caused by jolt is converted and consumed again while vibration is effectively absorbed, and a stable storage environment is provided for fresh-keeping transportation of litchi.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the open cover structure of the air-conditioned fresh-keeping box in the invention, so as to show the ridge type bracket inside;
FIG. 3 is a schematic view of the ridge bracket of the present invention;
FIG. 4 is a schematic view of the overall structure of the spine bracket of the present invention;
FIG. 5 is a schematic view showing the structural separation of the shock mount and the support wheel frame according to the present invention;
FIG. 6 is a schematic cross-sectional view of a support unit and its connection structure according to the present invention;
FIG. 7 is a schematic diagram illustrating the disassembly of the air injection mechanism and its connection structure according to the present invention;
in the figure: 1. an air-conditioning fresh-keeping box; 2. a spine support; 3. buffering the spine; 4. a damping support; 5. an air injection mechanism; 6. a swing arm unit; 7. a supporting unit; 8. a buffer air cushion; 9. a nitrogen manifold; 10. an elastic coupling; 11. a support wheel frame;
401. triangle fixing frame; 402. a buffer link; 403. a knuckle bearing;
501. a fastener; 502. a movable groove; 503. a swing joint; 504. a nitrogen manifold; 505. a nozzle;
601. a cam; 602. a cam shaft; 603. a movable pin; 604. a telescopic rod;
701. a torsion joint; 702. a roller; 703. a support arm;
1101. a reinforcing rod; 1102. and a circular arc guide rail.
Description of the embodiments
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
examples: referring to fig. 1 to 7, the litchi fresh-keeping transportation box comprises an air-conditioning fresh-keeping box 1 and a plurality of groups of ridge brackets 2; as shown in fig. 2, the multiple groups of ridge brackets 2 are fixedly arranged in the storage cavity of the air-conditioning fresh-keeping box 1 in a staggered manner, so that two adjacent ridge brackets 2 are staggered to form a first placement area, and the side edges of the ridge brackets 2 form a second placement area;
as shown in fig. 3, the spine support 2 includes a cushioning spine 3 disposed along a long axis of the storage cavity, a set of shock mounts 4 disposed at a bottom of the cushioning spine 3, and the shock mounts 4 provide a first cushioning force to the cushioning spine 3 in a longitudinal direction, specifically: as shown in fig. 5, the shock mount 4 includes a triangular fixing frame 401, the triangular fixing frame 401 is fixedly disposed on a bottom plate of the air-conditioning fresh-keeping box 1, a buffer connecting rod 402 is movably connected to an upper portion of the triangular fixing frame 401, the buffer connecting rod 402 has a quadrilateral structure, and a spring rod is obliquely pulled between the upper connecting rod and the lower connecting rod, so that the buffer spine 3 has a shock absorbing restoring force in a longitudinal direction for consuming a shock force in a vertical direction.
As shown in fig. 3 and fig. 4, a group of air injection mechanisms 5 are arranged at the top of the buffering backbone 3, in a specific embodiment, as shown in fig. 4, fig. 6 and fig. 7, the air injection mechanisms 5 comprise a plurality of fasteners 501 linearly arranged along the body of the buffering backbone 3, movable grooves 502 perpendicular to the body of the buffering backbone 3 are formed in the heads of the fasteners 501, swing joints 503 are movably connected in the movable grooves 502, air inlets are formed at one side of the swing joints 503, air outlets are formed at the tops of the swing joints 503, wherein a nitrogen manifold 9 is penetrated in the buffering backbone 3, the input end of the nitrogen manifold 9 is communicated with the air supply mechanism of the air conditioning fresh-keeping box 1 (it is worth noting that the air conditioning fresh-keeping box 1 is in the prior art, and the air supply mechanism for providing nitrogen is provided inside, the invention relates to the prior art, the circuit, the electronic components and the modules can be fully realized by those skilled in the art, and the invention does not relate to improvement of the internal structure and method, specifically, the protection content of the invention does not relate to improvement of the internal structure and method, that: the inlet is connected to the nitrogen manifold 9 via a nitrogen manifold 504, and the outlet is provided with a nozzle 505. Principle of action: the nitrogen is input into the nitrogen header pipe 9 by the modified atmosphere fresh-keeping box 1, is guided by the air injection mechanism 5, is sprayed out from the nozzle 505, and is scattered in the storage cavity of the modified atmosphere fresh-keeping box 1.
It should be noted that, as shown in fig. 7, two adjacent fasteners 501 and the fasteners 501 are connected with the swing arm unit 6 through a flexible rubber elastic coupling 10; one end of the elastic coupling 10 passes through the head of the fastener 501 and is fixedly connected with the swinging joint 503 (the elastic coupling 10 is rotationally connected with the fastener 501), so that the elastic coupling 10 not only can bend along with the buffering backbone 3, but also can output a rotating force through the swinging arm unit 6 to drive the swinging joint 503 on the fastener 501 to perform angle movement, and after the swinging joint 503 swings by an angle, the nozzle 505 on the swinging joint can jet air at multiple angles into the storage cavity of the air-conditioning fresh-keeping box 1, so that nitrogen is dispersed more rapidly and relatively uniformly.
As shown in fig. 4, the end part of the air injection mechanism 5 is in transmission connection with the end part of the buffering backbone 3 through a swing arm unit 6; it should be noted that, the two adjacent swing arm units 6 are arranged in a central symmetry manner, so that the arrangement at the same end is avoided, and the structural redundancy is avoided to form movement interference. In a specific embodiment, as shown in fig. 7, the swing arm unit 6 includes a cam 601, the middle part of the cam 601 is movably connected with the end part of the cushioning backbone 3 through a cam shaft 602, the small head part of the cam 601 is connected with a telescopic rod 604 through a movable pin 603, and the fixed end of the telescopic rod 604 is in transmission connection with the swing joint 503 through an elastic coupling 10. Principle of action: when the air-conditioning fresh-keeping box 1 is in the transportation process, if vibration force is generated in the road surface driving process of the vehicle, the vibration force is transmitted to the vibration-absorbing support 4, the vibration-absorbing support 4 drives the vibration-absorbing backbone 3 movably connected with the vibration-absorbing support 4 on the vibration amplitude at the upper and lower positions, the vibration-absorbing backbone 3 drives the swing arm unit 6 at the end part of the vibration-absorbing backbone 3 to swing by the vibration amplitude at the upper and lower positions at any end, under the dead weight action of the cam 601, the reciprocating swing similar to a pendulum clock is carried out, so that the telescopic rod 604 with the movable small end of the cam 601 follows the angle deflection, and the fixed end of the telescopic rod 604 is connected with the elastic coupling 10 in a fixed connection mode, so that the elastic coupling 10 with flexibility is axially rotated, thereby driving the swing joint 503 fixedly connected with the elastic coupling 10 to generate angle deflection in the movable groove 502, and the nozzle 505 on the vibration-absorbing backbone can jet air at multiple angles into the storage cavity of the air-conditioning fresh-keeping box 1, so that the nitrogen is dispersed more rapidly and relatively uniformly.
As shown in fig. 4 and 6, the cushioning backbone 3 is composed of a supporting wheel frame 11 and a plurality of supporting units 7 linearly arranged on the supporting wheel frame 11, wherein, as shown in fig. 5, a top angle at one side of a cushioning connecting rod 402 is movably connected with the end part of the supporting wheel frame 11 through a knuckle bearing 403 so as to adapt to the movable connection with the cushioning backbone 3 when the vibration absorbing support 4 swings up and down. The method comprises the following steps: the supporting wheel frame 11 comprises a group of reinforcing rods 1101, arc guide rails 1102 are arranged between the reinforcing rods 1101 at positions corresponding to each supporting unit 7, and the arc guide rails 1102 positioned at the head end and the tail end are movably connected with the buffer connecting rod 402 through joint bearings 403.
In the invention, two adjacent supporting units 7 are movably connected through the buffer air cushion 8, so that the buffer spine 3 provides a second buffer force for the first placing area and the second placing area in the transverse direction. In a specific embodiment, the supporting unit 7 comprises a plurality of torsion joints 701 arranged along the long axis of the storage cavity, and the torsion joints 701 positioned at the head end and the tail end are movably connected with the cam 601 through the cam shaft 602; fastener 501 is fixedly disposed atop torque segment 701; the end surfaces of two adjacent torsion joints 701 are movably connected through a buffer air cushion 8, specifically, the buffer air cushion 8 is of an air bag structure, and the end parts of two sides of the buffer air cushion are fixedly connected with the torsion joints 701; moreover, a set of rollers 702 is disposed at the bottom of the torsion bar 701, the rollers 702 of the same set are arranged in a splayed shape, and the rollers 702 are in rolling connection with the circular arc guide rails 1102, so that each torsion bar 701 has torsion restoring force in the transverse direction. Principle of action: when the vibration damper support 4 moves in the up-down position, the joint bearing 403 drives the buffer spine 3 movably connected with the buffer spine 3 to move in the up-down position, but the buffer spine is set based on the dead weight of the cam 601 and the roller 702 at the bottom of the torsion joint 701, so that the torsion joint 701 at any end can do reciprocating torsion under the shaking action of the cam 601, after the buffer air cushion 8 between two adjacent torsion joints 701 is twisted, the gas naturally returns to force, so that the vibration force in the horizontal direction is consumed, meanwhile, the swing of the cam 601 drives the elastic coupling 10 and the swing joint 503 connected with the elastic coupling to further consume the vibration force in the horizontal direction, so that the litchi placed on the first placement area and the second placement area is better in shock absorption protection, the shock absorption effect is better, and the extrusion damage of the litchi caused by the bump of the vehicle is greatly reduced.
As shown in fig. 6, the torsion joint 701 is similar to a spine structure, and has a through hole in the middle, and several through holes are communicated to form a through channel of the nitrogen manifold 9. The invention refers to the flexibility of the spine and the connection and coordination with the shock absorbing support 4, so that the litchi placed on the first placement area and the second placement area has excellent shock absorbing effect, and meanwhile, the shock force is converted into the deflection force for driving the swinging joint 503 to swing reciprocally, so that the shock is effectively absorbed, and meanwhile, the shock caused by jolt of the vehicle is converted and consumed again, thereby providing a stable storage environment for the fresh-keeping transportation of the litchi.
In addition, as shown in fig. 4 and 6, the supporting unit 7 further includes a set of supporting arms 703, the supporting arms 703 have a Y-shaped structure, two opposite supporting arms 703 are staggered to form a dense tooth structure, and the supporting arm 703 located at one side forms a comb tooth structure. According to the invention, by constructing the multiple groups of ridge brackets 2 which are staggered and fixedly arranged in the air-conditioning fresh-keeping box 1, the adjacent two ridge brackets 2 are staggered to form a first placement area, the side edges of the ridge brackets 2 form a second placement area, and particularly, the staggered arrangement of the supporting arms 703 is utilized to form a dense tooth structure with a relatively dense space, namely, the first placement area, and the dense tooth structure can be used for placing single litchis with stems cut off so as to prevent the single litchis from falling, and is beneficial to the staggered placement of the single litchis and the damage rate caused by extrusion is reduced; the comb tooth structure with a longer interval can be formed by single-side arrangement, namely the second placement area, the comb tooth structure can be used for placing group litchis with branches and leaves, the stress frame of the branches and leaves is placed on the comb tooth structure, the possibility of litchi extrusion is further reduced, and the litchi fresh-keeping quality is improved.
The embodiments of the present invention are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present invention.

Claims (10)

1. The utility model provides a litchi transport case that keeps fresh which characterized in that includes:
an air-conditioning fresh-keeping box (1);
the ridge brackets (2) are fixedly arranged in the storage cavity of the air-conditioning fresh-keeping box (1);
wherein, a plurality of groups of the ridge brackets (2) are staggered, so that two adjacent ridge brackets (2) are staggered to form a first placement area, and the side edges of the ridge brackets (2) form a second placement area;
the spine bracket (2) comprises a buffering spine (3) arranged along the long axis of the storage cavity, at least one group of shock absorbing supports (4) are arranged at the bottom of the buffering spine (3), the shock absorbing supports (4) provide first buffering force for the buffering spine (3) in the longitudinal direction, at least one group of air injection mechanisms (5) are arranged at the top of the buffering spine (3), and the ends of the air injection mechanisms (5) are in transmission connection with the ends of the buffering spine (3) through swing arm units (6);
the buffer spine (3) is internally provided with a nitrogen main pipe (9) in a penetrating way, the input end of the nitrogen main pipe (9) is communicated with the air supply mechanism of the air-conditioning fresh-keeping box (1), and the output end of the nitrogen main pipe (9) is communicated with the input end of the air injection mechanism (5);
and the buffering backbone (3) is composed of a supporting wheel frame (11) and a plurality of supporting units (7) which are linearly arranged on the supporting wheel frame (11), wherein two adjacent supporting units (7) are movably connected through a buffering air cushion (8), so that the buffering backbone (3) provides a second buffering force for the first placing area and the second placing area in the transverse direction.
2. The litchi fresh-keeping transportation box according to claim 1, wherein the shock absorbing support (4) comprises a triangular fixing frame (401), the triangular fixing frame (401) is fixedly arranged on a bottom plate of the air-conditioned fresh-keeping box (1), and a buffer connecting rod (402) is movably connected to the upper part of the triangular fixing frame (401) so that the buffer backbone (3) has shock absorbing restoring force in the longitudinal direction;
wherein, the apex angle on one side of the buffer connecting rod (402) is movably connected with the end part of the supporting wheel frame (11) through a knuckle bearing (403).
3. The litchi fresh-keeping transport case according to claim 2, wherein the air injection mechanism (5) comprises a plurality of fasteners (501) which are linearly arranged along the body part of the buffering backbone (3), movable grooves (502) perpendicular to the body part of the buffering backbone (3) are formed in the heads of the fasteners (501), swing joints (503) are movably connected in the movable grooves (502), air inlets are formed in one side of each swing joint (503), air outlets are formed in the tops of the swing joints (503), the air inlets are communicated with the nitrogen manifold (9) through nitrogen branch pipes (504), and nozzles (505) are arranged on the air outlets.
4. A litchi fresh-keeping transportation box according to claim 3, characterized in that two adjacent fasteners (501) and the fasteners (501) are connected with the swing arm unit (6) through elastic couplings (10); one end of the elastic coupling (10) penetrates through the head of the fastening piece (501) to be fixedly connected with the swing joint (503).
5. Litchi fresh-keeping transportation box according to claim 4, characterized in that two adjacent swing arm units (6) are arranged in central symmetry.
6. The litchi fresh-keeping transport case according to claim 5, wherein the swing arm unit (6) comprises a cam (601), the middle part of the cam (601) is movably connected with the end part of the buffering backbone (3) through a cam shaft (602), the small head part of the cam (601) is connected with a telescopic rod (604) through a movable pin (603), and the fixed end of the telescopic rod (604) is in transmission connection with the swing joint (503) through an elastic coupling (10).
7. The litchi fresh-keeping transport case according to claim 6, wherein the supporting wheel frame (11) comprises at least one group of reinforcing rods (1101), arc guide rails (1102) are arranged between the reinforcing rods (1101) at positions corresponding to each supporting unit (7), and the arc guide rails (1102) at the head end and the tail end are movably connected with the buffer connecting rod (402) through joint bearings (403).
8. The litchi fresh keeping transportation box according to claim 7, wherein the supporting unit (7) comprises a plurality of torsion joints (701) arranged along the long axis of the storage cavity, and the fastening piece (501) is fixedly arranged on top of the torsion joints (701);
the end faces of two adjacent torsion joints (701) are movably connected through a buffer air cushion (8);
and at least one group of rollers (702) are arranged at the bottom of the torsion joint (701), and the rollers (702) are in rolling connection with the circular arc guide rails (1102) so that each torsion joint (701) has torsion restoring force in the transverse direction.
9. The litchi fresh-keeping transportation box according to claim 8, wherein the torsion joints (701) at the front and the rear ends are movably connected with the cam (601) through a cam shaft (602);
the middle part of the torsion joint (701) is provided with a through hole, and a plurality of through holes are communicated to form a through passage of the nitrogen main pipe (9).
10. The litchi fresh-keeping transportation box according to claim 9, wherein the supporting unit (7) further comprises a group of supporting arms (703), the supporting arms (703) are in a Y-shaped structure, two opposite supporting arms (703) at the first placement area are staggered to form a dense tooth structure, and the supporting arms (703) at the second placement area form a comb tooth structure.
CN202311516000.2A 2023-11-15 2023-11-15 Fresh-keeping transport case of litchi Active CN117246651B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019168397A1 (en) * 2018-02-28 2019-09-06 Nnz Beheer B.V. Container for fresh produce, and method of ventilating a stack of containers
CN210972083U (en) * 2019-11-26 2020-07-10 中国热带农业科学院南亚热带作物研究所 Strawberry packaging box suitable for long-distance transportation
CN216140530U (en) * 2021-06-03 2022-03-29 新疆农垦科学院 Melon fresh-keeping storage net frame
CN114852535A (en) * 2022-05-17 2022-08-05 广西宁鸣果业有限公司 Wet fresh-keeping container device of accuse that fruit vegetables flow is general
CN115892689A (en) * 2022-12-06 2023-04-04 湖北瑞晟农业科技有限责任公司 Branch strorage device grows seedlings

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019168397A1 (en) * 2018-02-28 2019-09-06 Nnz Beheer B.V. Container for fresh produce, and method of ventilating a stack of containers
CN210972083U (en) * 2019-11-26 2020-07-10 中国热带农业科学院南亚热带作物研究所 Strawberry packaging box suitable for long-distance transportation
CN216140530U (en) * 2021-06-03 2022-03-29 新疆农垦科学院 Melon fresh-keeping storage net frame
CN114852535A (en) * 2022-05-17 2022-08-05 广西宁鸣果业有限公司 Wet fresh-keeping container device of accuse that fruit vegetables flow is general
CN115892689A (en) * 2022-12-06 2023-04-04 湖北瑞晟农业科技有限责任公司 Branch strorage device grows seedlings

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