Rail assembly type refrigeration house and method thereof

Abstract

The invention relates to the technical field of assembly type refrigeration houses, in particular to a track assembly type refrigeration house and a method thereof.The track assembly type refrigeration house is characterized in that a refrigeration house body is internally provided with two sets of partition plates capable of moving along cross-shaped inserting grooves between track type containing frames, and the space is divided into a soft freezing chamber, a refrigerating chamber and a freezing chamber; a Z-axis push rod at the bottom drives a wedge-shaped limiting strip to ascend and be clamped into a Z-axis meshing groove to form bottom sealing limiting; the rear side Y-axis sealing strip is inserted into a narrow-opening movable groove of the rear side sealing plate to extrude the door-shaped barrier strip to realize rear side dynamic sealing; the inner-layer sealing door assembly is formed by splicing a first reference sealing plate, a second reference sealing plate, a third reference sealing plate and an added sealing plate; an unlocking strip on the front side of the partition plate triggers the clamping assembly to unlock, so that the reference sealing plate and the added sealing plate recombine the width of the door body according to the volume of the temperature zone; flexible volume distribution, door body self-adaptive adjustment and three-dimensional linkage sealing are achieved, the space utilization rate is remarkably increased, and cold air leakage is completely eradicated.

Description

Technical Field

[0001] The present invention relates to the technical field of assembled cold storage, and in particular to a track assembled cold storage and a method thereof. Background Art

[0002] In modern cold chain logistics and food storage, multi-temperature zone cold storage systems are widely used because they can simultaneously meet the storage needs of different items. However, traditional multi-temperature zone cold storage systems with fixed partitions often suffer from rigid volume allocation. Their internal space is permanently divided by pre-set partitions, and the volume ratios of each temperature zone are fixed, making it impossible to flexibly adjust to the dynamic changes in the type and quantity of stored items.

[0003] To address the issue of adjustable volume, existing technologies have introduced designs with movable partitions, allowing users to re-divide the interior space of cold storage. Some solutions also incorporate rail systems to assist in the movement and positioning of partitions or to support cargo storage racks (such as rail-mounted racks), improving the convenience of space adjustment and item access.

[0004] However, these solutions often overlook another key issue that comes with volume adjustment: door adaptability. When the volume of a particular temperature zone increases or decreases due to the movement of a partition, the corresponding fixed-size door may no longer precisely match the opening of each independent storage compartment after dynamic adjustment across multiple temperature zones. This not only prevents the independent and smooth opening and closing of each temperature zone door, but also severely impacts the access and storage of large items. It can even create an unsealable gap between the door and the sidewall of the storage compartment, leading to air leakage, increased energy consumption, and fluctuating storage temperatures, severely impacting cooling efficiency and storage quality. Summary of the Invention

[0005] The object of the present invention is to provide a track-assembled cold storage and a method thereof to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a track-assembled cold storage, comprising a cold storage body, the interior of which is divided into a soft freezing chamber, a refrigerated chamber, and a freezer chamber by two sets of partitions; a plurality of Z-axis biting grooves are provided at the bottom of the partition, a Y-axis seal is fixed to the rear side, and the lower end of the Y-axis seal is connected to the Z-axis push rod; Track-type placement racks are equidistantly placed in each greenhouse, with cross slots between adjacent racks. Wedge-shaped limit strips and bottom seals are installed in the cross slots. When the partition moves to the target position, its Z-axis push rod drives the wedge-shaped limit strip upward, causing the bottom seal to engage with the Z-axis bite groove, thus achieving the bottom limit and sealing of the partition. The rear sealing plate is provided with a narrow movable groove, in which a rear isolation assembly is provided. When the rear sealing plate is assembled, the Y-axis sealing strip of the partition is inserted into the narrow movable groove and squeezes the rear isolation assembly to form a rear seal and limit. The inner sealed door assembly is composed of the No. 1 reference sealing plate, the No. 2 reference sealing plate, the No. 3 reference sealing plate and several additional sealing plates, which are spliced ​​together through docking ridges and matching slide grooves. The docking ridges are locked in the matching slide grooves through the snap-fit ​​assembly; the unlocking strip on the front side of the partition triggers the snap-fit ​​assembly to unlock, so that the reference sealing plate and the additional sealing plate can reorganize the door width according to the temperature zone volume.

[0007] Preferably, each sealing plate is connected by a left-side butt joint ridge and a right-side matching groove; a longitudinal limiting hole is provided on the side wall of the butt joint ridge to match the clamping assembly; The clamping assembly comprises a C-shaped movable block, an arc-shaped clamping block and a No. 2 spring; the C-shaped movable block is limitedly slidably installed in the sealing plate placement groove.

[0008] Preferably, the clamping assembly further comprises an arc-shaped clamping block and a No. 2 spring, one side of the C-shaped movable block is connected to the No. 2 spring, and the other side of the C-shaped movable block is fixedly connected to the contact strip; One end of the arc-shaped clamping block is connected to the C-shaped movable block, and the other end is clamped into the longitudinal limiting hole to achieve locking of the docking ridge.

[0009] Preferably, the unlocking strip is fixedly arranged on the front side of the partition, and its position corresponds to the contact strip inside the sealing plate; When the partition moves into place, the unlocking bar inserts into the long groove of the sealing plate and presses against the contact bar, driving the C-shaped movable block to compress the No. 2 spring, so that the arc-shaped card block disengages from the longitudinal limit hole to achieve quick unlocking.

[0010] Preferably, the rear isolation assembly comprises a door-shaped stop bar, a limit block and a No. 1 spring; The door-shaped stop bar is slidably arranged in the narrow movable slot and is sequentially connected to the limit block and the No. 1 spring; Under normal conditions, the No. 1 spring pushes the door-shaped stopper to close the slot. When the Y-axis seal is inserted, the door-shaped stopper is squeezed back to form a continuous sealing pressure.

[0011] Preferably, the top of the wedge-shaped limit strip is flush with the bottom surface of the cold storage under normal conditions, closing the cross slot; When the Z-axis push rod presses down the inclined surface of the wedge-shaped limit strip, the bottom seal moves up and inserts into the Z-axis bite groove, while squeezing the bottom of the partition to form a rigid limit and dynamic seal.

[0012] Preferably, the No. 1 reference sealing plate, the No. 2 reference sealing plate and the No. 3 reference sealing plate are all independently connected to a set of electric push rods; The electric push rod drives the basic sealing plate and the spliced ​​additional sealing plate to slide up and down as a whole, so that the doors of each temperature zone can be opened and closed independently and fit tightly with the reorganized opening.

[0013] Preferably, the cross slots are evenly distributed along the bottom wall of the cold storage body and are located in the gaps between the rail-type racks; The partition moves horizontally along the cross slot through the bottom guide structure to achieve on-demand distribution of the volume of the three temperature zones; after movement, three-dimensional sealing is completed through the wedge-shaped limit strip and the Y-axis seal.

[0014] Preferably, it also includes a front protective door covering the inner sealing door assembly; The number of narrow movable slots matches the cross slots and their positions correspond; when the rear cover is fixed to the rear end of the cold storage body by snaps, the Y-axis seal is inserted into and compresses the rear isolation assembly, synchronously triggering the bottom wedge-shaped limit bar to lift up.

[0015] A method for dynamically adjusting the volume of a track-assembled cold storage comprises the following steps: S1: According to the volume requirements of the temperature zones, two sets of partitions are moved along the cross slots on the bottom wall of the cold storage body to separate the storage space into a soft freezer, a refrigerator, and a freezer. During the movement, the Z-axis push rod at the bottom of the partition and the rear Y-axis seal are suspended above the cross slots and the rear seal installation position respectively. S2: The rear sealing plate is squeezed against the partition and fixed to the rear end of the cold storage body through a buckle. During assembly, the Y-axis seal of the partition is inserted into the narrow movable groove of the rear sealing plate, squeezing the door-shaped stop bar to retract and compressing the No. 1 spring, forming a continuous sealing pressure to achieve dynamic sealing and limiting at the rear side. Simultaneously, the Z-axis push rod presses down the inclined surface of the wedge-shaped limit bar in the cross slot, driving the wedge-shaped limit bar to move the bottom seal upward and snap into the Z-axis bite groove of the partition to form a rigid limit and isolation seal at the bottom. S3: After the partition is positioned, the unlocking strip on its front side is inserted into the long groove of the adjacent sealing plate, pressing the contact strip and pushing the C-shaped movable block to compress the No. 2 spring, so that the arc-shaped clamping block disengages from the longitudinal limit hole of the docking ridge, and the lock between the basic sealing plate and the additional sealing plate is released; the number of additional sealing plates is adjusted according to the partition spacing, the docking ridge is reinserted into the corresponding matching sliding groove, and the door body width is reorganized by locking the clamping assembly, so that the No. 1 basic sealing plate, No. 2 basic sealing plate, and No. 3 basic sealing plate are respectively adapted to the opening sizes of the soft freezer compartment, the refrigerator compartment, and the freezer compartment; S4: The doors of each temperature zone are connected to independent electric push rods after reorganization, and can be opened and closed independently by pushing and pulling up and down, and the edge of the door body fits tightly with the changed opening; the front protective door covers the inner sealing door assembly to provide external protection Compared with the prior art, the present invention has the following beneficial effects: 1. This invention utilizes a number one, two, and three base sealing plates that are flexibly connected in sequence with additional sealing plates. This, combined with an unlocking mechanism that works in conjunction with the movement of the partitions, allows the inner sealed door assembly to automatically adjust its width to precisely match the varying opening dimensions of the soft freezer, refrigerator, and freezer compartments. Each temperature zone door is driven by an independent electric push rod, allowing for smooth, independent, upward and downward opening and closing regardless of volume distribution, ensuring convenient access and a tight fit between the door and the opening.

[0016] 2. The position of the partitions can be freely adjusted along the cross slots between the rail-mounted shelves, enabling flexible, on-demand volume allocation across the three temperature zones within the cold storage. Once in position, the Z-axis push rods at the bottom of the partitions automatically trigger the wedge-shaped limit strips to rise and snap into the Z-axis grooves. The rear Y-axis seals simultaneously squeeze the rear isolation components, forming a three-dimensional, self-compensating seal between the bottom, rear, and partitions, effectively preventing cold air leakage and temperature fluctuations between the three temperature zones. 3. The partitions are quickly positioned using cross-shaped slots. The rear seal, when snapped into place with the cold storage unit's main body, simultaneously drives the Y-axis seal into the narrow, movable slot and triggers the upward movement of the wedge-shaped limiter at the bottom, achieving dual rigid positioning and dynamic sealing of the partition's rear and bottom sides. This process is completed automatically during assembly, requiring no additional operation, ensuring a secure, stable partition position and reliable seal.

[0017] 4. This invention utilizes a modular design featuring docking ridges, matching slides, and snap-on components, along with an automatic unlocking mechanism triggered by a partition unlocking bar, allowing the additional cover to be freely disassembled and reassembled with the partition. Users can quickly adjust the combined width of the base and additional cover panels to meet changing temperature zone volume requirements. This allows for efficient tool-free reconfiguration of the inner door's adaptability, enhancing operational flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the structure of the present invention.

[0019] Figure 2 It is a three-dimensional schematic diagram from another perspective of the structure of the present invention.

[0020] Figure 3 This is a schematic diagram of the front protective door of the present invention in the open state.

[0021] Figure 4 It is a schematic diagram of the internal components of the cold storage body of the present invention.

[0022] Figure 5 Schematic diagram of the explosion of the structure of the present invention.

[0023] Figure 6 It is a schematic diagram of the cold storage body, the track-type placement rack and the inner sealed door assembly of the present invention.

[0024] Figure 7 This is a schematic diagram of the connection between the inner sealing door assembly and the partition of the present invention.

[0025] Figure 8 This is a schematic diagram of the partition and inner sealing door of the present invention from another perspective.

[0026] Figure 9 Schematic diagram of the docking between the snap-fit ​​assembly and the unlocking bar of the present invention.

[0027] Figure 10Schematic diagram of the connection between the Z-axis push rod and the wedge-shaped limit strip of the present invention.

[0028] Figure 11 Schematic diagram of the Z-axis push rod, wedge-shaped limit strip and partition of the present invention.

[0029] Figure 12 Schematic diagram of the Y-axis seal and rear isolation assembly of the present invention.

[0030] In the figure: 1. Cold storage body; 101. Soft freezing chamber; 102. Refrigerating chamber; 103. Freezing chamber; 104. Cross slot; 2. Front protective door; 3. Rear sealing plate; 4. No. 1 reference sealing plate; 5. No. 2 reference sealing plate; 6. No. 3 reference sealing plate; 7. Additional sealing plate; 701. Docking ridge; 7011. Longitudinal limit hole; 702. Matching slide; 8. Partition; 801. Z-axis bite groove; 9. Track-type placement rack; 10. Wedge-shaped limit strip; 11. Bottom seal; 12. Z-axis push rod; 13. Y-axis seal; 14. Unlocking strip; 15. Door-type stop strip; 16. Limit block; 17. No. 1 spring; 18. Contact strip; 19. C-shaped movable block; 20. Arc-shaped block; 21. No. 2 spring; 22. Electric push rod. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] See also Figures 1 to 12The present invention provides a technical solution: a track-assembled cold storage, comprising a cold storage body 1, a front protective door 2, an inner sealing door assembly, two sets of partitions 8 and a rear sealing plate 3, the front protective door 2 protects and blocks the inner sealing door assembly; the rear sealing plate 3 is detachably fixed to the cold storage body 1 by a snap; the two sets of partitions 8 are arranged between the inner sealing door assembly and the rear sealing plate 3, and divide the cold storage body 1 into a soft freezing chamber 101, a refrigerating chamber 102 and a freezing chamber 103 in sequence, the inner sealing door assembly comprises a No. 1 reference sealing plate 4, a No. 2 reference sealing plate 5, a No. 3 reference sealing plate 6 and an additional sealing plate 7 which are spliced ​​with each other, the No. 1 reference sealing plate 4, the No. 2 reference sealing plate 5 and the No. 3 reference sealing plate 6 are all Two groups are provided, and are driven by the electric push rod 22 to open up and down; no less than three groups of additional sealing plates 7 are provided between the No. 1 reference sealing plate 4 and the No. 2 reference sealing plate 5 and between the No. 2 reference sealing plate 5 and the No. 3 reference sealing plate 6, and the left side of the No. 1 reference sealing plate 4, the No. 2 reference sealing plate 5, the No. 3 reference sealing plate 6 and the additional sealing plate 7 are all protruding with docking ridges 701, and the right side of the No. 1 reference sealing plate 4, the No. 2 reference sealing plate 5, the No. 3 reference sealing plate 6 and the additional sealing plate 7 are all provided with matching slide grooves 702 for accommodating the docking ridges 701, and the docking ridges 701 are fixedly inserted in the matching slide grooves 702 by a clamping assembly, and longitudinal limiting holes 7011 are provided on the side walls of the docking ridges 701; Furthermore, the placement of the two sets of partitions 8 can be freely adjusted to achieve the desired volume distribution of different temperature zones. The design of the docking ridges 701 and the matching grooves 702 not only facilitates the rapid docking between adjacent sealing plates, but also achieves a certain isolation and sealing effect.

[0033] like Figure 7 、 Figure 9 as well as Figure 11 As shown, an unlocking strip 14 for unlocking the snap-fit ​​assembly is protruding from one side of the partition 8 away from the rear side sealing plate 3. The snap-fit ​​assembly includes a C-shaped movable block 19, an arc-shaped clamping block 20 and a No. 2 spring 21. Each sealing plate is provided with a placement groove for accommodating the snap-fit ​​assembly. The C-shaped movable block 19 is limitedly slidably installed in the placement groove. One side of the C-shaped movable block 19 is fixedly connected to the No. 2 spring 21, and the other side of the C-shaped movable block 19 is fixedly connected to the contact strip 18. A long groove for accommodating the contact strip 18 is provided on the inner wall of each sealing plate. The unlocking strip 14 is inserted into the long groove and abuts against the contact strip 18; one end of the arc-shaped clamping block 20 is fixedly connected to the C-shaped movable block 19, and the other end of the arc-shaped clamping block 20 extends into the matching slide groove 702 and is clamped in the longitudinal limiting hole 7011.

[0034] Furthermore, through the design of the C-shaped movable block 19, the arc-shaped clamping block 20 and the No. 2 spring 21, the docking ridge 701 can be quickly fixed and clamped in the mating slide groove 702; when in use, the clamping assembly adjacent to the partition 8 is unlocked by the unlocking strip 14, so that the multiple additional sealing plates 7 are freely separated by the two groups of partitions 8, thereby forming sealing doors in the temperature zone of different widths in turn with the No. 1 reference sealing plate 4, the No. 2 reference sealing plate 5 and the No. 3 reference sealing plate 6, so as to meet the purpose of dynamically adjusting the door body width with the temperature zone volume.

[0035] like Figure 5 、 Figure 6 、 Figure 10 as well as Figure 11 As shown, multiple groups of track-type placement racks 9 are equidistantly arranged in the soft freezing chamber 101, the refrigerating chamber 102 and the freezing chamber 103, and no less than 9 groups of track-type placement racks 9 are arranged. A group of cross slots 104 are provided on the bottom wall of the inner cavity of the cold storage body 1 between two adjacent groups of track-type placement racks 9. A wedge-shaped limit strip 10 is slidingly installed in the cross slot 104. The upper end of the wedge-shaped limit strip 10 is fixedly connected to the bottom seal 11. In the absence of external interference, the upper end surface of the bottom seal 11 is flush with the bottom wall of the cold storage body 1, thereby protecting and shielding the cross slot 104; each group The partition 8 is fixedly connected to a Y-axis seal 13 on one side close to the rear sealing plate 3, and a Z-axis bite groove 801 is provided on the lower end face of the partition 8. The lower end of the Y-axis seal 13 is fixedly connected to a Z-axis push rod 12, which extends into the cross slot 104 and acts on the inclined surface of the wedge-shaped limit strip 10, so that the wedge-shaped limit strip 10 is forced to drive the bottom seal 11 to extend upward from the cross slot 104 and be inserted into the Z-axis bite groove 801. This arrangement, on the one hand, serves as a bottom limit for the partition 8, and on the other hand, isolates and seals the place where the partition 8 contacts the bottom wall of the cold storage body 1.

[0036] like Figure 5 as well as Figure 12 As shown, the side of the rear sealing plate 3 near the partition 8 is provided with the same number of narrow movable slots as the cross slots 104. A rear isolation assembly is provided in each narrow movable slot, which includes a door-shaped stopper 15, a limit block 16, and a number one spring 17. The door-shaped stopper 15 is slidingly installed in the narrow movable slot and fixedly connected to the limit block 16. The limit block 16 is fixedly connected to the number one spring 17 on the side away from the door-shaped stopper 15. In the absence of external interference, the door-shaped stopper 15, under the elastic action of the number one spring 17, just blocks the opening of the narrow movable slot and is flush with the surface of the rear sealing plate 3. When the rear sealing plate 3 is in contact with the partition 8, the Y-axis seal 13 on the partition 8 is just inserted into the narrow movable slot and in contact with the door-shaped stopper 15. This arrangement, on the one hand, plays the role of rear-side limit support for the partition 8, and on the other hand, has a certain isolation and sealing effect on the connection between the partition 8 and the rear sealing plate 3.

[0037] When in use, first select the volume size of different temperature zones according to actual needs, and push the two groups of partitions 8 into the cold storage main body 1 along the corresponding cross slots 104, so as to divide the inner cavity of the cold storage main body 1 into the soft freezing chamber 101, the refrigerating chamber 102 and the freezing chamber 103 in sequence; then squeeze the two groups of partitions 8 with the rear side sealing plate 3 and fix them to the rear end face of the cold storage main body 1 through the snap fasteners, and with the squeezing action of the rear side sealing plate 3, the Y-axis seal 13 on the partition 8 squeezes the door-shaped stop bar 15 and is snapped into the narrow movable groove, which not only plays the role of rear side limit support for the partition 8, but also plays a certain isolation and sealing effect on the connection between the partition 8 and the rear side sealing plate 3; the Z-axis push rod 12 at the bottom of the Y-axis seal 13 squeezes the wedge-shaped limit bar 10 at the lower end of the partition 8, so that the wedge-shaped limit bar 10 is driven by force to drive the bottom seal The strip 11 is clamped in the Z-axis bite groove 801 to limit and isolate the bottom of the partition 8; and the unlocking strip 14 on the partition 8 squeezes the corresponding contact strip 18, so that the contact strip 18 is forced to squeeze the C-shaped movable block 19 to move toward the front protective door 2, so that the arc-shaped clamping block 20 connected to the C-shaped movable block 19 is pulled out from the corresponding longitudinal limiting hole 7011, thereby releasing the limiting effect of the docking ridge 701, that is, the sealing plates released from the partition 8 are disconnected from the adjacent sealing plates, so that the No. 1 reference sealing plate 4, the No. 2 reference sealing plate 5 and the No. 3 reference sealing plate 6 are respectively combined with different numbers of additional sealing plates 7 according to the position change of the partition 8 to form three groups of door bodies with different widths to adapt to the dynamic adjustment of the volume of the soft freezing chamber 101, the refrigeration chamber 102 and the freezer chamber 103.

[0038] Since the No. 1 reference sealing plate 4, the No. 2 reference sealing plate 5 and the No. 3 reference sealing plate 6 are all pushed and translated by a group of electric push rods 22, the doors of the soft freezing chamber 101, the refrigerating chamber 102 and the freezing chamber 103 can all be opened independently, and the opening method is to push and pull up and down, which can facilitate the removal and placement of materials on the track-type placement rack 9.

[0039] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A track-assembled cold storage, characterized by: It includes a cold storage body, the interior of which is divided into a soft freezer compartment, a refrigerator compartment, and a freezer compartment by two sets of partitions; the bottom of the partition is provided with multiple sets of Z-axis biting grooves, the rear side is fixed with a Y-axis seal, and the lower end of the Y-axis seal is connected to the Z-axis push rod; Track-type placement racks are equidistantly placed in each greenhouse, with cross slots between adjacent racks. Wedge-shaped limit strips and bottom seals are installed in the cross slots. When the partition moves to the target position, its Z-axis push rod drives the wedge-shaped limit strip upward, causing the bottom seal to engage with the Z-axis bite groove, thus achieving the bottom limit and sealing of the partition. A rear side sealing plate is provided with a narrow movable groove, and a rear side isolation component is provided in the narrow movable groove; When the rear sealing plate is assembled, the Y-axis sealing strip of the partition is inserted into the narrow movable groove and squeezes the rear isolation component to form the rear side seal and limit; The inner sealed door assembly is composed of the No. 1 reference sealing plate, the No. 2 reference sealing plate, the No. 3 reference sealing plate and several additional sealing plates, which are spliced ​​together through docking ridges and matching slide grooves. The docking ridges are locked in the matching slide grooves through the snap-fit ​​assembly; the unlocking strip on the front side of the partition triggers the snap-fit ​​assembly to unlock, so that the reference sealing plate and the additional sealing plate can reorganize the door width according to the temperature zone volume.

2. The track-mounted cold storage according to claim 1, characterized in that: Each sealing plate is connected by a left-side butt joint ridge and a right-side matching groove; a longitudinal limit hole is provided on the side wall of the butt joint ridge to match the clamping assembly; The clamping assembly comprises a C-shaped movable block, an arc-shaped clamping block and a No. 2 spring; the C-shaped movable block is limitedly slidably installed in the sealing plate placement groove.

3. The track-mounted cold storage according to claim 2, characterized in that: The clamping assembly also includes an arc-shaped clamping block and a No. 2 spring. One side of the C-shaped movable block is connected to the No. 2 spring, and the other side of the C-shaped movable block is fixedly connected to the contact strip. One end of the arc-shaped clamping block is connected to the C-shaped movable block, and the other end is clamped into the longitudinal limiting hole to achieve locking of the docking ridge.

4. The track-mounted cold storage according to claim 3, characterized in that: The unlocking strip is fixedly arranged on the front side of the partition, and its position corresponds to the contact strip inside the sealing plate; When the partition moves into place, the unlocking bar inserts into the long groove of the sealing plate and presses against the contact bar, driving the C-shaped movable block to compress the No. 2 spring, so that the arc-shaped card block disengages from the longitudinal limit hole to achieve quick unlocking.

5. The track-mounted cold storage according to claim 4, characterized in that: The rear isolation assembly includes a door-shaped stop bar, a limit block and a No. 1 spring; The door-shaped stop bar is slidably arranged in the narrow movable slot and is sequentially connected to the limit block and the No. 1 spring; Under normal conditions, the No. 1 spring pushes the door-shaped stopper to close the slot. When the Y-axis seal is inserted, the door-shaped stopper is squeezed back to form a continuous sealing pressure.

6. The track-mounted cold storage according to claim 5, characterized in that: The top of the wedge-shaped limit strip is flush with the bottom of the cold storage in a normal state, closing the cross slot; When the Z-axis push rod presses down the inclined surface of the wedge-shaped limit strip, the bottom seal moves up and inserts into the Z-axis bite groove, while squeezing the bottom of the partition to form a rigid limit and dynamic seal.

7. The track-mounted cold storage according to claim 6, characterized in that: The first reference sealing plate, the second reference sealing plate and the third reference sealing plate are all independently connected to a set of electric push rods; The electric push rod drives the basic sealing plate and the spliced ​​additional sealing plate to slide up and down as a whole, so that the doors of each temperature zone can be opened and closed independently and fit tightly with the reorganized opening.

8. The track-mounted cold storage according to claim 7, characterized in that: The cross slots are evenly distributed along the bottom wall of the cold storage body and are located in the gaps between the rail-type racks; The partition moves horizontally along the cross slot through the bottom guide structure to achieve on-demand distribution of the volume of the three temperature zones; after movement, three-dimensional sealing is completed through the wedge-shaped limit strip and the Y-axis seal.

9. The track-mounted cold storage according to claim 8, characterized in that: Also included is a front side protective door covering the inner sealed door assembly; The number of narrow movable slots matches the cross slots and their positions correspond; when the rear cover is fixed to the rear end of the cold storage body by snaps, the Y-axis seal is inserted into and compresses the rear isolation assembly, synchronously triggering the bottom wedge-shaped limit bar to lift up.

10. A method for dynamically adjusting the volume of a track-assembled cold storage according to claim 9, characterized in that: The following steps are involved: S1: According to the volume requirements of the temperature zones, two sets of partitions are moved along the cross slots on the bottom wall of the cold storage body to separate the storage space into a soft freezer, a refrigerator, and a freezer. During the movement, the Z-axis push rod at the bottom of the partition and the rear Y-axis seal are suspended above the cross slots and the rear seal installation position respectively. S2: The rear sealing plate is squeezed against the partition and fixed to the rear end of the cold storage body through a buckle. During assembly, the Y-axis seal of the partition is inserted into the narrow movable groove of the rear sealing plate, squeezing the door-shaped stop bar to retract and compressing the No. 1 spring, forming a continuous sealing pressure to achieve dynamic sealing and limiting at the rear side. Simultaneously, the Z-axis push rod presses down the inclined surface of the wedge-shaped limit bar in the cross slot, driving the wedge-shaped limit bar to move the bottom seal upward and snap into the Z-axis bite groove of the partition to form a rigid limit and isolation seal at the bottom. S3: After the partition is positioned, the unlocking strip on its front side is inserted into the long groove of the adjacent sealing plate, pressing the contact strip and pushing the C-shaped movable block to compress the No. 2 spring, so that the arc-shaped clamping block disengages from the longitudinal limit hole of the docking ridge, and the lock between the basic sealing plate and the additional sealing plate is released; the number of additional sealing plates is adjusted according to the partition spacing, the docking ridge is reinserted into the corresponding matching sliding groove, and the door body width is reorganized by locking the clamping assembly, so that the No. 1 basic sealing plate, No. 2 basic sealing plate, and No. 3 basic sealing plate are respectively adapted to the opening sizes of the soft freezer compartment, the refrigerator compartment, and the freezer compartment; S4: The doors of each temperature zone are connected to independent electric push rods after reorganization, and can be opened and closed independently by pushing and pulling up and down, and the edge of the door body fits tightly with the changed opening; the front protective door covers the inner sealing door assembly to provide external protection.

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