Handle assembly for stackable box body, stackable box body, battery pack and energy storage device

Abstract

The handle assembly for the stackable box comprises a handle and a base which are rotationally connected, and the handle comprises a holding part and a first mounting part formed at the tail end of the holding part; the base comprises a first mounting surface and a second mounting surface which are perpendicular to each other, and a second mounting part protruding out of the first mounting surface, and the first mounting surface is provided with a second mounting structure used for mounting the base on the first box body; the first mounting part is rotatably mounted on the second mounting part through a rotating shaft, the rotating shaft penetrates through at least one of the first mounting part and the second mounting part, and the rotating angle of the first mounting part relative to the second mounting part is 90 degrees or above; and the second mounting surface or the holding part is provided with a third mounting structure which is configured to fix the handle assembly on a second box body stacked with the first box body. Only one structural member is used, and the problems of carrying of the stackable box body and fixing after installation are solved at the same time.

Description

Technical Field

[0001] The present application relates to the technical field of energy storage, and particularly to a handle assembly for a stackable box, a stackable box, a battery pack, and an energy storage device. Background Art

[0002] Stacked batteries are a common form of battery-related products in recent years. For example, household energy storage battery packs often adopt an up-and-down stacking method, which is popular because of its small floor area. Since battery products are heavy, and the height and volume of the stacked products are high, higher requirements are put forward for the installation convenience and stability after installation.

[0003] The currently common handling and fixing methods are as follows: A standard handle is selected at the top of the battery pack or a handle position is opened on the side of the battery box. The up-and-down fixing method uses a metal sheet spanning two battery packs and is fixed with screws. The above structure has the following disadvantages: The standard handle form is fixed, and it is difficult to match with the box body, and the consistency is poor; The side opening of the handle position is not beautiful, and a waterproof structure needs to be added, increasing the cost; There are many parts and the installation steps are cumbersome, further increasing the cost. Summary of the Invention

[0004] In view of this, an embodiment of the present application provides a handle assembly for a stacked box, a stackable box, a battery pack, and an energy storage device to solve at least one problem in the background art.

[0005] In a first aspect, an embodiment of the present application provides a handle assembly for a stackable box, including: a handle and a base rotatably connected, the handle including a holding portion and a first mounting portion formed at the end of the holding portion;

[0006] The base includes a first mounting surface and a second mounting surface perpendicular to each other, and a second mounting portion protruding from the first mounting surface. The first mounting surface is provided with a second mounting structure for mounting the base on a first box body; The first mounting portion is rotatably mounted on the second mounting portion through a rotating shaft, the rotating shaft passes through at least one of the first mounting portion and the second mounting portion, and the rotation angle of the first mounting portion relative to the second mounting portion is more than 90 degrees;

[0007] A third mounting structure is provided on the second mounting surface or the holding portion, configured to fix the handle assembly to a second box body stacked with the first box body.

[0008] In combination with the first aspect of the present application, in an optional embodiment, at least one side of the receiving groove is provided with a notch to facilitate the handle to be placed in a horizontal state.

[0009] In combination with the first aspect of the present application, in an alternative embodiment, the second mounting portion includes a receiving groove, the first mounting portion is embedded in the receiving groove, and the rotating shaft passes through the receiving groove.

[0010] In combination with the first aspect of the present application, in an alternative embodiment, the second mounting structure and / or the third mounting structure includes a mounting hole.

[0011] In combination with the first aspect of the present application, in an alternative embodiment, the base includes an inverted T shape and the handle includes a T shape.

[0012] In combination with the first aspect of the present application, in an alternative embodiment, the base includes a U shape and the handle includes a U shape.

[0013] In combination with the first aspect of the present application, in an alternative embodiment, the base includes a first support and a second support, the handle includes a U shape, the first support includes an inverted T shape or an L shape, and the second support includes an inverted T shape or an L shape.

[0014] In a second aspect, an embodiment of the present application provides a stackable box, including a housing and a handle assembly for stacking boxes according to any of the above aspects. The handle assembly is fixed to the top of the housing. A groove is provided at the bottom of the housing for receiving the handle assembly for stacking boxes according to any of the above aspects. A fourth mounting hole is provided in the groove facing the side wall of the housing for fixedly connecting with the third mounting structure.

[0015] In a third aspect, the present application provides a battery pack, including a battery module and the stackable box described above. The battery module is disposed in the stackable box.

[0016] In a fourth aspect, the present application provides an energy storage device, including the battery pack described above.

[0017] The handle assembly, stackable box, battery pack and energy storage device for stacking boxes in the embodiments of the present application, by providing a second mounting structure and a third mounting structure for simultaneously fixing adjacent stacked boxes on the handle assembly, achieves the solution of the problem of transporting and fixing the stackable box after installation with only one structural member, reduces the number of structural members and installation steps, and reduces costs. By providing the handle assembly at the top of the stackable box and providing a groove at the bottom of the box, after the box is installed, the handle assembly is accommodated in the groove of the adjacent box, thereby achieving a hidden design of the handle and the fixing structure, without considering the waterproofing of the side wall, improving the appearance consistency of the box, simplifying the processing technology of the box such as sheet metal and spraying, and further reducing costs. With a rotatable handle structure, the handle is rotated from a vertical state to a horizontal state after transporting. When the groove is provided, its volume is reduced, and only one clearance space needs to be provided at the bottom of the box, thereby improving the space utilization rate inside the box.

[0018] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0020] Figure 1 A schematic diagram of a handle assembly provided in an embodiment of the present application Figure 1 ;

[0021] Figure 2 The handle assembly provided in one embodiment of the present application is exploded Figure 1 ;

[0022] Figure 3 Schematic diagram of the vertical state of the handle assembly provided in one embodiment of the present application Figure 1 ;

[0023] Figure 4 A schematic diagram of a handle assembly provided in another embodiment of the present application Figure 2 ;

[0024] Figure 5 The handle assembly provided in the third embodiment of the present application explodes Figure 2 ;

[0025] Figure 6 Schematic diagram of the vertical state of the handle assembly provided in the third embodiment of the present application Figure 2 ;

[0026] Figure 7 Schematic diagram of the handle assembly provided in the fourth embodiment of the present applicationFigure 3 ;

[0027] Figure 8 Exploded view of the handle assembly provided for the fourth embodiment of the present application Figure 3 ;

[0028] Figure 9 Schematic diagram of a stackable box provided for an embodiment of the present application Figure 1 ;

[0029] Figure 10 Schematic diagram of a stackable box provided for an embodiment of the present application Figure 2 ;

[0030] Figure 11 Schematic diagram of the stacked state of a stackable box provided for an embodiment of the present application;

[0031] Figure 12 Schematic diagram of a battery pack provided for an embodiment of the present application;

[0032] Figure 13 Schematic diagram of an energy storage device provided for an embodiment of the present application. Detailed implementation manners

[0033] To make the technical solutions and beneficial effects of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below by way of specific examples. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments, and are not intended to limit this application.

[0035] It should be noted that the terms "first", "second", etc. used in this application may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish the first element from another element, rather than to describe a specific order or sequence. The terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, without excluding the existence or addition of one or more other features.

[0036] The embodiment of the present application provides a handle assembly 100 for a stackable box, refer to Figure 1, including a handle 1 and a base 2 that are rotatably connected. The handle 1 includes a gripping portion 11 and a first mounting portion 12 formed at the end of the gripping portion 11. The first mounting portion 12 includes a first mounting structure 13. The base 2 includes a first mounting surface 21 and a second mounting surface 22 that are perpendicular to each other, and a second mounting portion 23 protruding from the first mounting surface 21. The first mounting surface 21 is provided with a second mounting structure 24 for mounting the base 2 to the first box body 3. The first mounting portion 12 is rotatably mounted to the second mounting portion 23 through a rotating shaft 30. And the rotation angle of the first mounting portion 12 relative to the second mounting portion 23 is more than 90 degrees. When the box body needs to be carried, the handle 1 rotates from the horizontal state to the vertical state for convenient lifting. After the carrying is completed, the handle 1 rotates from the vertical state to the horizontal state to facilitate the storage of the handle 1 and the stacking of the box bodies. The rotation angle of the handle 1 being more than 90 degrees can conveniently minimize the storage space as much as possible.

[0037] The second mounting surface 22 is provided with a third mounting structure 40 for fixing the base 2 to the second box body 4 stacked with the first box body 3. Optionally, the second mounting structure 24 and / or the third mounting structure 40 includes a mounting hole or a threaded post. The mounting hole can be a threaded hole. The third mounting structure 40 can also be provided on the gripping portion of the handle 1.

[0038] The first mounting portion 12 and the second mounting portion 23 are fixed together through the rotating shaft 30, and the rotating shaft 30 passes through at least one of the first mounting portion 12 and the second mounting portion 23. The second mounting portion 23 is provided with a second mounting hole 25 for the rotating shaft 30 to pass through. Optionally, the rotating shaft 30 is an independent component relative to the first mounting portion 12 and the second mounting portion 23, such as Figure 2 As shown, the first mounting structure includes a first mounting hole 13, and the rotating shaft 30 passes through the first mounting hole 13 of the first mounting portion 12 and the second mounting hole 25 of the second mounting portion 23 at the same time, thereby rotatably connecting the handle and the base together. Optionally, the rotating shaft 30 includes a rivet or a pin. The rotating shaft 30 can also be formed on the first mounting portion 12 or the second mounting portion 23 as a part of the first mounting portion 12 or the second mounting portion 23, such as a bump formed on the first mounting portion 12 or the second mounting portion 23. Correspondingly, the second mounting portion 23 or the first mounting portion 12 is formed with a hole or a sleeve, and at this time, the rotating shaft 30 passes through the first mounting portion 12 or the second mounting portion 23 to realize the rotational fixation of the first mounting portion 12 relative to the second mounting portion 23.

[0039] Optionally, the second mounting portion 23 includes a receiving groove 231, the first mounting portion 12 is embedded in the receiving groove 231 and fixed to the second mounting portion 23 through the rotating shaft 30, and the rotating shaft 30 passes through the receiving groove 231 at the same time. Optionally, the rotating shaft 30 and the first mounting hole 25 are in interference fit, and the first mounting portion 12 rotates around the rotating shaft 30 in the receiving groove 231.

[0040] Optionally, the first mounting portion 12 is plate-shaped or columnar. The shape of the receiving groove 231 matches the shape of the first mounting portion 12 to accommodate the first mounting portion 12. For example, its shape is slit-shaped or pit-shaped, etc. As Figure 4 shown, at least one side of the receiving groove 231 is provided with a notch 232 to facilitate the handle 1 to be placed in a horizontal state. Optionally, the first mounting portion 261 is an arc surface, and the receiving groove 260 is pit-shaped, and the two surface types are matched to facilitate the rotation of the first mounting portion 261 in the receiving groove 260.

[0041] In a possible implementation manner of the present application, the base 2 is U-shaped and the handle 1 is U-shaped. As Figures 1 to 3 shown, the base 2 is a flat strip as a whole, and its upper surface is the first mounting surface 21, and one side surface perpendicular to the first mounting surface 21 is the second mounting surface 22. Two second mounting portions 23 protruding from the first mounting surface 21 are respectively provided at both ends of the base. A second mounting hole 24 is provided in the body of the base between the two second mounting portions 23. A third mounting hole 40 is provided on the second mounting surface 22. The first mounting portion 12 of the handle 1 is sheet-shaped and is formed at the two ends of the U-shaped holding portion 11. The first mounting structure is the first mounting hole 13 penetrating the body.

[0042] In a possible implementation manner of the present application, the base 102 is inverted T-shaped and the handle 101 is T-shaped, as Figures 5 to 6 shown. The holding portion 111 of the handle 101 is rod-shaped, and a connecting portion 114 extends outward from the middle thereof. The end of the connecting portion is provided with a first mounting hole 113 as the first mounting structure. The base 102 is a plate as a whole, and its upper surface is the first mounting surface 121. The second mounting portion 123 protrudes from the first mounting surface 121 and can be regarded as the vertical portion of the inverted T-shape as a whole. One side surface perpendicular to the first mounting surface 21 is the second mounting surface 122. A third mounting structure, such as a third mounting hole 140, is provided thereon. Second mounting holes 124 are provided at both ends of the base 102.

[0043] In a possible implementation manner of the present application, as Figures 7 to 8 shown, the base 202 includes a first support 251 and a second support 252, the handle is U-shaped, the first support 251 includes an inverted T-shape or an L-shape, and the second support 252 includes an inverted T-shape or an L-shape. Taking the L-shaped support as an example, it includes a horizontal portion and a vertical portion. The upper surface of the horizontal portion is the first mounting surface 221. Second mounting holes 224 are provided on the horizontal portions of the first support 251 and the second support 252. The third mounting structure 223 is provided on the holding portion of the handle 1. Optionally, the third mounting structure 223 is a through hole penetrating from the top surface 222 to the bottom surface of the holding portion.

[0044] The structure of the U-shaped handle is the same as that of Figures 1 to 3The structure of the inverted T-shaped support is the same as that of the embodiment shown and will not be described in detail. Figures 4 to 6 The structure of the inverted T-shaped support is the same as that of the embodiment shown and will not be described in detail.

[0045] An embodiment of the present application further provides a stackable box body 3. Referring to Figures 9 to 11 , it includes a housing 31 and the handle assembly 100 of any of the above embodiments. The handle assembly is fixed to the top of the housing 31. A groove 32 is provided at the bottom of the housing 31. The groove 32 is used to accommodate the handle assembly of any of the above embodiments. A fourth mounting hole 33 is provided on the side wall of the groove 32 facing the housing 31 for fixedly connecting with the third mounting structures 40, 140, 223.

[0046] The installation process of the handle assembly and the stackable box body of the embodiment of the present application is as follows:

[0047] First, place the handle assembly on the top edge of the box body and fix the handle assembly on the top edge of the box body through the second mounting structure. One handle assembly is installed on each side of the top of the box body. When installing the box body, lift the handle holding part of the first box body 3, place the first box body 3 at the predetermined position, and then lift the handle holding part of the second box body 4 to stack the second box body 4 above the first box body 3. At this time, the handle assembly on the top of the first box body 3 is accommodated in the groove 32 at the bottom of the second box body 4. Take screws and pass through the fourth mounting hole 33 and the third mounting structure at the same time, and tighten the screws to fix the stacked box bodies together.

[0048] An embodiment of the present application further provides a battery pack 5. Referring to Figure 12 , it includes a battery module 51 and the above stackable box body. The battery module 51 is arranged in the stackable box body.

[0049] An embodiment of the present application further provides an energy storage device 6, including the above battery pack 5. Optionally, the energy storage device is a household energy storage device, such as a household energy storage integrated machine or a photovoltaic energy storage integrated machine, etc. Optionally, the energy storage device 6 includes more than two battery packs 5, and may also include an inverter, a converter, and / or a high-voltage box, etc.

[0050] The handle assembly, stackable box, battery pack and energy storage device for stacking boxes in the embodiments of the present application, by providing a second mounting structure and a third mounting structure for simultaneously fixing adjacent stacked boxes on the handle assembly, achieves the solution of the problem of transporting and fixing the stackable box after installation with only one structural member, reduces the number of structural members and installation steps, and reduces costs. By providing the handle assembly at the top of the stackable box and providing a groove at the bottom of the box, after the box is installed, the handle assembly is accommodated in the groove of the adjacent box, thereby achieving a hidden design of the handle and the fixing structure, without considering the waterproofing of the side wall, improving the appearance consistency of the box, simplifying the processing technology of the box such as sheet metal and spraying, and further reducing costs. With a rotatable handle structure, the handle is rotated from a vertical state to a horizontal state after transporting. When the groove is provided, its volume is reduced, and only one clearance space needs to be provided at the bottom of the box, thereby improving the space utilization rate inside the box.

[0051] For the relevant contents of each unit in this embodiment, reference may be made to the relevant contents of the units with the same figure marks in any of the foregoing embodiments, and will not be repeated here.

[0052] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0053] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A handle assembly for a stackable box, characterized in that: It comprises a handle and a base which are rotatably connected, wherein the handle comprises a gripping portion and a first mounting portion formed at the end of the gripping portion; The base comprises a first mounting surface and a second mounting surface which are perpendicular to each other, and a second mounting portion which protrudes from the first mounting surface, wherein the first mounting surface is provided with a second mounting structure for mounting the base on the first box body; the first mounting portion is rotatably mounted on the second mounting portion via a rotating shaft, the rotating shaft passes through at least one of the first mounting portion and the second mounting portion, and the rotation angle of the first mounting portion relative to the second mounting portion is greater than 90 degrees; The second mounting surface or the gripping portion is provided with a third mounting structure configured to fix the handle assembly to a second box body stacked with the first box body.

2. The handle assembly according to claim 1, characterized in that: The second mounting portion includes a receiving groove, the first mounting portion is embedded in the receiving groove, and the rotating shaft passes through the receiving groove.

3. The handle assembly according to claim 2, characterized in that: At least one side of the accommodating groove is provided with a notch to facilitate the handle to be placed in a horizontal state.

4. The handle assembly according to claim 1, characterized in that: The second mounting structure and / or the third mounting structure comprises a mounting hole.

5. The handle assembly according to any one of claims 1 to 4, characterized in that: The base comprises an inverted T-shape and the handle comprises a T-shape.

6. The handle assembly according to any one of claims 1 to 4, characterized in that: The base includes a U-shape and the handle includes a U-shape.

7. The handle assembly according to any one of claims 1 to 4, characterized in that: The base includes a first support and a second support, the handle includes a U shape, the first support includes an inverted T shape or an L shape, and the second support includes an inverted T shape or an L shape.

8. A stackable box, characterized in that: It comprises an outer shell and a handle assembly for stacking boxes as claimed in any one of claims 1 to 7, wherein the handle assembly is fixed to the top of the outer shell, a groove is provided at the bottom of the outer shell, the groove is used to accommodate the handle assembly for stacking boxes as claimed in any one of claims 1 to 7, and a fourth mounting hole is provided in the groove toward the side wall of the outer shell for fixed connection with the third mounting structure.

9. A battery pack, characterized in that: The invention comprises a battery module and the stackable box according to claim 8, wherein the battery module is arranged in the stackable box.

10. An energy storage device, characterized in that: A battery pack comprising the battery pack of claim 9.

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