Multi-size applicable material rack for modular assembly of battery packs

Abstract

The invention discloses a multi-size applicable material rack for modular assembly of battery packs. The material rack comprises a central base frame, the plurality of corner brackets can be adjustably and detachably connected relative to the position of the center of the central base frame; the plurality of side rods are arranged, the number of the side rods is the same as that of the corner brackets, and each side rod can be detachably connected between two adjacent corner brackets in a position-adjustable manner. According to the material frame, based on a center base frame located in the middle, a plurality of modularized corner brackets can be installed on the center base frame in a detachable connection mode in the mode that the positions can be adjusted in the mode that the corner brackets are far away from or close to each other, and then the adjacent corner brackets far away from or close to each other are connected through modularized side rods, so that the large or small polygonal outer contour material frame is defined. Therefore, the material rack is suitable for being matched with battery packs of various sizes and specifications, one material rack is suitable for general logistics packaging of various battery packs, the practicability and the circulation performance are higher, and the cost performance is higher.

Description

Technical Field

[0001] The invention belongs to the field of transportation, and in particular relates to a multi-size applicable material rack for modularly assembled battery packs. Background Art

[0002] With the increasing development of social economy, energy demand has further increased, and the call for new energy technology has become louder and louder. For example, electric vehicles, whose battery packs are one of the core components of electric vehicles, have a performance and service life that directly determines the performance and cost of electric vehicles. In the production and later sales and transportation process, in order to ensure the integrity and safety of the battery pack and to avoid economic losses caused by damage or loss, correct logistics and transportation packaging racks and logistics and transportation methods are crucial.

[0003] Different battery pack manufacturers have their own unique technical solutions due to different designs and material selections, resulting in different dimensions and stress points of the battery packs. Even different models of battery packs from the same manufacturer have different specifications. If corresponding logistics and transportation packaging racks are designed according to the models, the cost will be quite high. Moreover, once the battery packs are discontinued, the logistics and transportation packaging racks will also be scrapped, resulting in a waste of resources.

[0004] Therefore, it is a market demand to design a modular assembly, size-adjustable packaging rack suitable for logistics and transportation of battery packs of various specifications and sizes. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a multi-size applicable material rack for modular assembled battery packs.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a modular assembled battery pack multi-size applicable material rack, including a central base frame; corner frames, the corner frames have multiple, and the positions of the corner frames can be adjusted relative to the center of the central base frame and detachably connected; side rods, the side rods have multiple, and the number of the side rods is the same as the number of the corner rods, and each of the side rods can be detachably connected between two adjacent corner racks with adjustable positions.

[0007] In some embodiments, there are four corner brackets, and the corner brackets can be detachably connected to be close to or far away from the center of the central base frame. The four corner brackets and the four side bars form a quadrilateral outer contour material rack.

[0008] In some embodiments, the corner frame includes a square frame body and a corner column. The frame body includes two adjacent inner edge side frames that are detachably connected to the center base frame and can be adjusted in position, and two adjacent outer edge side frames that are detachably connected to the corresponding side rods and can be extended in length. The corner column is located at the corner between the two outer edge side frames and extends up and down.

[0009] In some embodiments, one of the inner edge frame and the central base frame has a lateral groove, and during assembly, the other of the inner edge frame and the central base frame engages with the lateral groove.

[0010] In some embodiments, each of the outer edge frames and one of the corresponding side bars have a side bar telescopic cavity extending along the length direction, and a side bar anti-rotation opening connected to the side bar telescopic cavity, and the other can telescope and slide in the side bar telescopic cavity and the side bar anti-rotation opening.

[0011] In some embodiments, it further comprises a plurality of fork matching sleeves that are detachably mounted on the outer edge frame and can be adjusted in position.

[0012] In certain embodiments, each of the inner edge side frames has a lateral groove extending along the length direction and used to clamp on the central base frame, each of the outer edge side frames has a side rod telescopic groove located at the upper part and formed by the side rod telescopic cavity and the side rod anti-rotation opening, and each of the outer edge side frames has an accessory installation groove located at the lower part and formed by the accessory assembly cavity and the accessory anti-rotation opening, and the side rod telescopic groove and the accessory installation groove extend along the length direction of the corresponding outer edge side frame respectively.

[0013] In some embodiments, it also includes a plurality of peripheral retaining frames that can be detachably mounted on the corner frames and can be adjusted in position, and a plurality of peripheral retaining frames that can be detachably mounted on corresponding peripheral retaining frames and are arranged against the periphery of the battery pack, wherein the peripheral retaining frames are arranged between a group of relative inner edge frames and outer edge frames.

[0014] In some embodiments, a plurality of pads for supporting key stress points at the bottom of the battery pack are further included, and the plurality of pads can be removed and installed on the central base frame with adjustable positions, and the pads include a metal bottom bar pad and an elastic soft pad fixed on the metal bottom bar pad.

[0015] In certain embodiments, an anti-jump mechanism is further included that is pressed on the battery pack, and the anti-jump mechanism can be detachably installed on the side bar or the central base frame with adjustable position.

[0016] The scope of the present invention is not limited to the technical solutions formed by a specific combination of the above technical features, but also includes other technical solutions formed by any combination of the above technical features or their equivalent features. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in this application.

[0017] Due to the application of the above technical scheme, the present invention has the following advantages compared with the prior art: the present invention provides a modular assembled battery pack multi-size applicable rack, based on a central base frame located in the middle, a plurality of modular corner racks are installed on the central base frame by a disassembly connection method, and can be moved away or close to each other respectively, and then the adjacent corner racks that are away or close are connected by modular side rods to form a polygonal outer contour rack that is larger or smaller, so as to be suitable for matching battery packs of various sizes and specifications. A rack is suitable for the general logistics packaging of various battery packs, and has stronger practicality, circulation and cost-effectiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the three-dimensional structure of a material rack suitable for modular assembly of battery packs in multiple sizes; Figure 2 A top view of a rack of various sizes suitable for modular assembly of battery packs; Figure 3 This is a schematic diagram of the assembly structure of the center base frame and the corner frame; Figure 4 An illustration of the corner frame structure Figure 1 ; Figure 5 An illustration of the corner frame structure Figure 2 ; Figure 6 Schematic diagram of the side bar structure; Figure 7 A schematic diagram of stacking multiple modular battery pack racks of various sizes up and down; Among them: 1. Center base frame; 2. Corner frame; 21. Inner edge frame; 22. Outer edge frame; 23. Corner column; 3. Side rod; 31. Insert rod; 32. Anti-rotation plate; 4. Fork matching sleeve; 5. Stacking foot; 6. Stacking frame; 7. Cushion block; 71. Metal bottom rod pad; 72. Elastic soft pad; 81. Peripheral stop frame; 82. Peripheral stop; 9. Anti-jump mechanism. DETAILED DESCRIPTION

[0019] like Figure 1-3 A modular assembled battery pack rack of multiple sizes is shown, comprising a central base frame 1, four corner frames 2 and four side bars 3, forming a rectangular battery pack packaging rack for logistics transportation.

[0020] Among them, the central base frame 1 is a whole formed by welding or casting four metal pipes arranged in parallel horizontally and four metal pipes arranged in parallel vertically. Its outer contour is preferably a cross frame type or a tic-tac-toe frame type as in the present embodiment, which is convenient for the movable cooperation with the corner frame 2 in the X direction or the Y direction. Each metal rod is provided with a plurality of central base assembly holes extending up and down along the axis line and extending horizontally along its length direction.

[0021] like Figure 1-3 As shown, the four corner brackets 2 are integrally cast into a frame shape, and can be detachably fitted to the metal pipe fittings in the X direction or the Y direction of the central base frame 1 respectively, so as to realize detachably connecting with adjustable position at the corner notches of the cross-shaped central base frame 1, and enclose a rectangular outer contour material rack with the four side rods 3. Each side rod 3 can be detachably connected with adjustable position between two adjacent corner brackets 2.

[0022] As Figure 4 、 5 shown, the corner bracket 2 includes a square frame body and a corner post 23. The frame body includes two inner edge frames 21 that are detachably connected to the central base frame 1 with adjustable position adjacent to each other, and two outer edge frames 22 that are detachably connected to the corresponding side rods 3 with adjustable position adjacent to each other. The corner post 23 is located at the corner between the two outer edge frames 22 and extends vertically.

[0023] In this embodiment, the two inner edge frames 21 respectively have "C"-shaped side grooves extending along the length direction for being stuck on the corresponding metal pipe fittings of the central base frame 1. A plurality of inner edge assembly holes with horizontally extending axis lines are distributed in the length direction thereof, so as to be fixedly fitted by screws after the "C"-shaped side grooves are stuck on the corresponding metal rods of the central base frame 1. The "C"-shaped side grooves are convenient for being stuck and fitted with the central base frame 1, and are also convenient for disassembly.

[0024] The two outer edge frames 22 respectively have side rod telescopic grooves formed by a side rod telescopic cavity and a side rod anti-rotation opening at the upper part, and the two outer edge frames 22 respectively have fitting installation grooves formed by a fitting assembly cavity and a fitting anti-rotation opening at the lower part. In this embodiment, the side rod telescopic groove is a C-shaped side rod telescopic groove with the notch opening upwards, and the fitting installation groove is a T-shaped fitting installation groove with the notch opening downwards. A plurality of outer edge assembly holes with vertically extending axis lines are distributed in the length direction thereof. The C-shaped side rod telescopic groove and the T-shaped fitting installation groove respectively extend along the length direction of the corresponding outer edge frame 22, and the outer edge assembly holes are communicated with the C-shaped side rod telescopic groove and the T-shaped fitting installation groove, which is convenient for installing screws.

[0025] The C-shaped side rod telescopic groove is convenient for installing the side rod 3. As Figure 6 shown, the side rod 3 includes an insertion rod 31 that can be detachably connected with adjustable length position in the C-shaped side rod telescopic groove, and a anti-rotation plate 32 integrally formed on the upper surface of the insertion rod 31. A connection neck is formed between the insertion rod 31 and the anti-rotation plate 32, and this connection neck is clamped at the side rod anti-rotation opening. There is a clearance fit between the C-shaped side rod telescopic groove and the insertion rod 31, which is convenient for insertion. A plurality of side rod assembly holes are vertically arranged along the length direction on the insertion rod 31 and the anti-rotation plate 32 respectively, so that after the side rod 3 is inserted into the corresponding position of the C-shaped side rod telescopic groove, it can be fixedly fitted with the outer edge assembly holes by screws. The C-shaped side rod telescopic groove is convenient for installing the side rod 3, and is also convenient for disassembly, and is not easy to be deformed by force and stuck with the side rod 3.

[0026] The T-shaped accessory installation slot is convenient for installing various accessories, such as the fork matching sleeve 4. Figure 4 , Figure 5 As shown, the fork matching sleeve 4 includes a T-shaped bar or a U-shaped bar that is plugged into and matched with the T-shaped accessory installation groove, a fork assembly plate integrally formed on the lower side of the T-shaped bar or the U-shaped bar, and a matching sleeve body integrally formed on the lower side of the fork assembly plate. Accessory assembly holes are provided between the T-shaped bar or the U-shaped bar and the fork assembly plate, so that the fork matching sleeve 4 can be inserted into the corresponding position of the T-shaped accessory installation groove and fixed with the outer edge assembly hole by screws. The fork matching sleeve 4 with various modular shapes is suitable for handling by different forklifts. The T-shaped accessory installation groove is convenient for installing various accessories, and is also convenient for disassembly, and is not easy to be deformed by force and stuck between accessories.

[0027] like Figure 1-3 As shown, at least one pair of opposite inner edge frames 21 and outer edge frames 22 on each corner frame have peripheral retaining mounting strips on their inner edges, and a plurality of peripheral retaining mounting holes extending up and down the axis are distributed along the length direction thereof.

[0028] The modular assembly of battery packs with multiple sizes of suitable racks also includes a plurality of peripheral retaining frames 81 that can be detachably mounted on the corner frame 2 and can be adjusted in position, and a plurality of peripheral retaining frames 82 that can be detachably mounted on the corresponding peripheral retaining frames 81 and can be adjusted in position and are arranged on the periphery of the battery pack. The peripheral retaining frames 81 are mounted on a peripheral retaining mounting strip between a set of relative inner edge frames 21 and outer edge frames 22. In this embodiment, two parallel peripheral retaining frames 81 are mounted on a corner frame 2, and all peripheral retaining frames 81 are parallel. Each peripheral retaining frame 81 is provided with a peripheral retaining frame 82 that can rotate around a vertical axis to suit the edge contours of battery packs of different shapes. Of course, it is also possible to fix and modularize the peripheral retaining frames 82 into various angle shapes to suit the edge contours of battery packs of different shapes. The soft contact surfaces of all peripheral retaining frames 82 face the direction of the middle battery pack to surround and position the middle battery pack in the front, back, left and right directions.

[0029] like Figure 1 , 2 As shown, the modular assembled battery pack is suitable for multiple sizes of material racks, and also includes at least two anti-jumping mechanisms 9 pressed on opposite sides of the battery pack. The anti-jumping mechanism 9 can be disassembled and installed in a position-adjustable manner at corresponding positions on the central frame 1 or the side bar 3. The anti-jumping mechanism 9 can be extended and retracted up and down, including an anti-jumping lower part located at the lower part and installed at a corresponding position on the central frame 1 or the side bar 3, an anti-jumping upper part that can slide up and down and is positioned by cooperating with corresponding sockets through pins, and an anti-jumping stopper bolt that is slidably arranged on the anti-jumping upper part, which is inserted into the corresponding socket by a pin to determine the height of the anti-jumping upper part, so that the anti-jumping stopper bolt is pressed against the upper surface of the battery pack when it is extended to prevent the battery pack from moving upward.

[0030] like Figure 1 , 2 As shown, the modular assembled battery pack is suitable for multiple sizes of material racks, and also includes multiple pads 7 for supporting the key stress points at the bottom of the battery pack. The multiple pads 7 are respectively penetrated up and down to open multiple pad assembly holes. The pads 7 include a metal bottom bar pad 71 and an elastic soft pad 72 fixed on the metal bottom bar pad 71. According to the shape size and stress point of the battery pack, it is installed at the corresponding position on the central base frame 1, with the pad assembly hole facing the corresponding central base frame assembly hole, and fixed by screw assembly.

[0031] like Figure 4 , Figure 5 , Figure 7 As shown, the lower part of the corner column 23 is detachably equipped with a stacking foot 5, and the upper part of the corner column 23 is provided with a stacking frame 6 that can be unfolded upward or folded downward. The size of the stacking frame 6 is suitable for being plugged into and matched with the stacking foot 5, so that multiple racks can be stacked up and down. When stacking, the stacking frame 6 is unfolded upward, and the top of the stacking frame 6 of the lower rack is inserted into the stacking foot 5 of the upper rack, thereby reducing the occupied area, and a forklift can transport multiple racks at one time, which is more convenient.

[0032] In this embodiment, the position-adjustable detachable connection is achieved through the assembly holes and screw assembly and disassembly cooperation, and is stable and firm during assembly.

[0033] The present invention provides a modular assembled battery pack multi-size applicable material rack. Based on a central base frame located in the middle, four modular corner frames are disassembled and connected in the length direction, and can be respectively moved away or close to each other. The positions can be adjusted and installed on the central base frame. The adjacent corner frames that are moved away or close to each other are then connected by modular side rods to form a polygonal outer contour material rack that is larger or smaller, so that it is suitable for matching battery packs of various sizes and specifications. The modular components are easy to install and disassemble, and various accessories can be installed and replaced as needed, so that it is suitable for the general logistics packaging of various battery packs, and has stronger practicality, circulation and higher cost performance.

[0034] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A modular assembly battery pack rack with multiple sizes, characterized by: include Central base frame (1); Corner frames (2), the corner frames (2) having a plurality of detachable connections, each of which can be adjusted relative to the center of the central base frame (1); Side bars (3), there are a plurality of side bars (3), and the number of the side bars (3) is the same as the number of the corner frames (2), and each side bar (3) can be detachably connected between two adjacent corner frames (2) in an adjustable position.

2. The multi-size applicable rack for modular assembled battery packs according to claim 1, characterized in that: There are four corner frames (2), and the corner frames (2) can be detachably connected to move closer to or farther from the center of the central base frame (1). The four corner frames (2) and the four side bars (3) form a quadrilateral outer contour material frame.

3. The modular assembled battery pack multi-size applicable rack according to claim 1, characterized in that: The corner frame (2) comprises a square frame body and a corner column (23). The frame body comprises two adjacent inner edge frames (21) which are detachably connected to the central base frame (1) and are adjustable in position, and two adjacent outer edge frames (22) which are detachably connected to the corresponding side bars (3) and are retractable in length. The corner column (23) is located at a corner between the two outer edge frames (22) and extends up and down.

4. The multi-size applicable rack for modular assembled battery packs according to claim 3, characterized in that: One of the inner edge frame (21) and the central base frame (1) has a lateral groove, and during assembly, the other of the inner edge frame (21) and the central base frame (1) engages with the lateral groove.

5. The modular assembled battery pack multi-size applicable rack according to claim 3, characterized in that: Each of the outer edge frames (22) and one of the corresponding side bars (3) has a side bar telescopic cavity extending in the length direction and a side bar anti-rotation opening connected to the side bar telescopic cavity, and the other can telescope and slide in the side bar telescopic cavity and the side bar anti-rotation opening.

6. The multi-size applicable rack for modular assembled battery packs according to claim 3, characterized in that: It also includes a plurality of fork matching sleeves (4) which are detachably mounted on the outer edge frame (22) and can be adjusted in position.

7. The multi-size applicable rack for modular assembled battery packs according to claim 3, characterized in that: Each of the inner edge frames (21) has a lateral groove extending along the length direction and used to be clamped on the central base frame (1), each of the outer edge frames (22) has a side bar telescopic groove located at the upper part and formed by the side bar telescopic cavity and the side bar anti-rotation opening, and each of the outer edge frames (22) has an accessory installation groove located at the lower part and formed by the accessory assembly cavity and the accessory anti-rotation opening, and the side bar telescopic groove and the accessory installation groove extend along the length direction of the corresponding outer edge frame (22).

8. The multi-size applicable rack for modular assembled battery packs according to claim 4, characterized in that: It also comprises a plurality of peripheral retaining frames (81) which are detachably mounted on the corner frames (2) and capable of adjusting their positions, and a plurality of peripheral retaining frames (82) which are detachably mounted on corresponding peripheral retaining frames (81) and capable of adjusting their positions and are disposed against the periphery of the battery pack. The peripheral retaining frames (81) are disposed between a group of opposite inner edge frames (21) and outer edge frames (22).

9. The modular assembled battery pack multi-size applicable rack according to claim 1, characterized in that: It also includes a plurality of pads (7) for supporting key stress points at the bottom of the battery pack, wherein the plurality of pads (7) can be detachably mounted on the central base frame (1) in an adjustable position, and the pads (7) include a metal bottom bar pad (71) and an elastic soft pad (72) fixed on the metal bottom bar pad (71).

10. The multi-size applicable rack for modular assembled battery packs according to claim 1, characterized in that: It also includes an anti-jumping mechanism (9) pressed on the battery pack, and the anti-jumping mechanism (9) can be detachably mounted on the side bar (3) or the central base frame (1) with adjustable position.

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