Handle rotating shaft structure of battery pack

By setting a handle pivot structure on the top of the battery pack and using a matching design of a "T"-shaped protrusion and a "U"-shaped recess, the problems of inconvenient handling and irregular appearance of existing battery pack handles are solved. This achieves convenient storage of the handle and neat stacking of the battery pack, improving volumetric energy density and aesthetics.

CN223743821UActive Publication Date: 2025-12-30SHENZHEN CENT POWER TECH
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Patent Information

Application Number
CN202423289237.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-30
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing battery pack handle structure is inconvenient for handling and moving, affects the neatness of appearance and stacking, and increases the volumetric energy density of the battery pack.

Method used

Design a handle and pivot structure for a battery pack, including a shell, a handle, a pivot, and a cover. By matching a "T"-shaped boss and a "U"-shaped recess, the pivot is recessed into the shell and fixed with screw holes and screws, achieving convenient storage of the handle and a neat appearance of the battery pack.

Benefits of technology

It achieves convenient storage with a handle, improves the volumetric energy density and aesthetic appearance of the battery pack, reduces usage costs, and is suitable for handling and stacking square lithium-ion or sodium-ion battery packs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a handle rotating shaft structure of a battery pack. The handle rotating shaft structure comprises a battery pack body and a handle rotating shaft assembly, the handle rotating shaft assembly comprises a shell, a handle, a rotating shaft and a gland. The shell comprises a shell body, a similar T-shaped boss arranged on the shell body and a similar U-shaped concave platform arranged on the shell body, and the shell body is fixed at the top of the battery pack body; the T-like boss comprises a transverse part and a vertical part which are integrally formed, and the U-like concave platform is arranged on the outer side of the vertical part in a surrounding mode. The lifting handle is arranged on the U-shaped concave platform; the rotating shaft is arranged at one end, close to the vertical part, of the transverse part, and the rotating shaft is arranged in one side, close to the battery pack body, of the transverse part; and the gland is propped against the rotating shaft. The battery pack is simple in structure, the lifting handle is convenient to store, the volume energy density of the battery pack is effectively improved, the product appearance is attractive and neat, and higher practicability and economical efficiency are achieved.
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Description

Technical Field

[0001] This utility model relates to the field of battery technology, and in particular to a handle and pivot structure for a battery pack. Background Technology

[0002] With the development of technology, power batteries have received increasing attention as an energy device and have been widely used in mobile phones, electric vehicles, power tools and other fields.

[0003] In conventional square lithium-ion or sodium-ion battery structures, existing battery packs typically use handles for transport and movement. However, at least two handles are usually required, necessitating the use of both hands, which is inconvenient for both handling and storage. Some existing battery packs use a carrying handle structure, which is inserted from the outside of the battery pack. This requires an additional cover to cover the handle for easy storage, resulting in an irregular overall appearance, hindering stacking, reducing the volumetric energy density of the battery pack, and negatively impacting the product's aesthetics. Utility Model Content

[0004] Based on this, the present invention provides a handle pivot structure for a battery pack, which aims to solve the problems of existing battery packs being inconvenient to handle and move, having an irregular overall appearance that affects the stacking and volumetric energy density of the battery pack, and lacking aesthetic appeal.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a handle pivot structure for a battery pack, comprising a battery pack body and a handle pivot assembly; the handle pivot assembly comprises a housing, a handle, a pivot, and a pressure cap; the housing comprises a shell, a T-shaped boss disposed on the shell, and a U-shaped recess disposed on the shell, the shell being fixed to the top of the battery pack body;

[0006] The T-shaped boss includes an integrally formed horizontal and vertical portion, and the U-shaped recess surrounds the outside of the vertical portion; the handle is disposed on the U-shaped recess; the pivot is disposed on one end of the horizontal portion near the vertical portion, and the pivot is disposed inside the side of the horizontal portion near the battery pack body; the pressure cover abuts against the pivot.

[0007] In a preferred embodiment, the rotating shaft includes a first fixed end, a first rotating shaft body, and a second fixed end of the second rotating shaft body; the first fixed end is disposed on one side of the horizontal portion, and the second fixed end is disposed on the other side of the horizontal portion; the pressure cap is disposed between the first rotating shaft body and the second rotating shaft body, and the pressure cap is respectively abutted against the first rotating shaft body and the second rotating shaft body.

[0008] In a preferred embodiment, one end of the first rotating shaft body passes through the first fixed end and is connected to the handle, and the other end abuts against one side of the pressure cover; one end of the second rotating shaft body passes through the second fixed end and is connected to the handle, and the other end abuts against the other side of the pressure cover.

[0009] In a preferred embodiment, the first fixed end is provided with a first through hole at the end away from the second fixed end, and the first rotating shaft body passes through the first through hole and is connected to the handle; the second fixed end is provided with a second through hole at the end away from the first fixed end, and the second rotating shaft body passes through the second through hole and is connected to the handle.

[0010] In a preferred embodiment, the first through hole is adapted to the handle and the first rotating shaft body respectively; the second through hole is adapted to the handle and the second rotating shaft body respectively.

[0011] In a preferred embodiment, a first screw hole is provided between the first fixed end and the second fixed end; a second screw hole is provided on the side of the pressure cap near the first screw hole; when the pressure cap abuts against the first rotating shaft body and the second rotating shaft body, the second screw hole is sleeved on the first screw hole.

[0012] In a preferred embodiment, the first screw hole and the second screw hole are provided in a one-to-one correspondence; the second screw hole is fixed to the first screw hole by screws.

[0013] In a preferred embodiment, the first screw hole and the second screw hole are adapted to each other; the screws are adapted to the first screw hole and the second screw hole respectively.

[0014] In a preferred embodiment, the housing, the T-shaped boss, and the U-shaped recess are integrally formed; the first fixing end, the second fixing end, the first screw hole, and the horizontal part are integrally formed.

[0015] In a preferred embodiment, the handle is a U-shaped handle, and the U-shaped handle is adapted to fit the U-shaped recess.

[0016] In a preferred embodiment, the width of the U-shaped handle is the same as the width of the U-shaped recess; the thickness of the U-shaped handle is the same as the height of the vertical portion.

[0017] In a preferred embodiment, a plurality of connectors are provided on the end face of the horizontal portion away from the vertical portion, and the plurality of connectors are arranged independently of each other.

[0018] In a preferred embodiment, the battery pack body is a square-shell battery pack body; the square-shell battery pack body is a lithium-ion battery pack or a sodium-ion battery pack.

[0019] The beneficial effects achieved by this utility model are as follows: By setting a handle and pivot assembly at the top of the battery pack and controlling the arrangement and connection of each component of the handle and pivot assembly, this application not only fulfills the structural function of the handle but also facilitates its storage, resulting in a regular overall appearance of the battery pack and making it easier to stack. This effectively improves the volumetric energy density of the battery pack, and the product has a beautiful and neat appearance. The structure of this application is simple; the pivot structure is not visible from the outside, resulting in better overall consistency and a more aesthetically pleasing appearance of the battery pack. Furthermore, it involves fewer parts, reducing usage costs and offering higher practicality and economy. It can be produced and used as a general-purpose product. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of the handle shaft structure of a battery pack according to an embodiment of the present utility model.

[0022] Figure 2 for Figure 1 A schematic diagram of the handle pivot assembly;

[0023] Figure 3 for Figure 2 An exploded view of the handle pivot assembly;

[0024] Figure 4 for Figure 2 A cross-sectional structural diagram of the handle pivot assembly (along the axial direction of the pivot).

[0025] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, top, bottom, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0028] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0029] It should be noted that when a component is described as "fixed to" or "set on" another component, it can be directly on the other component or there may be an intervening component. When a component is described as "connected to" another component, it can be directly connected to the other component or there may be an intervening component.

[0030] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0031] Specifically, such as Figures 1 to 4As shown, this utility model embodiment provides a handle pivot structure for a battery pack, including a battery pack body 10 and a handle pivot assembly 20; the handle pivot assembly 20 includes a housing 21, a handle 22, a pivot 23, and a pressure cover 24; the housing 21 includes a shell 211, a T-shaped boss 212 disposed on the shell 211, and a U-shaped recess 213 disposed on the shell 211, and the shell 211 is fixed to the top of the battery pack body 10;

[0032] The T-shaped boss 212 includes an integrally formed horizontal portion 2121 and a vertical portion 2122, and the U-shaped recess 213 surrounds the outside of the vertical portion 2122; the handle 22 is provided on the U-shaped recess 213; the pivot 23 is provided on one end of the horizontal portion 2121 near the vertical portion 2122, and the pivot 23 is located inside the side of the horizontal portion 2121 near the battery pack body 10; the pressure cover 24 abuts against the pivot 23.

[0033] In this embodiment, the outer shell 21 adopts a protruding structure. Through the matching arrangement of the "T"-shaped protrusion 212 and the "U"-shaped recess 213, the pivot is retracted into the outer shell, making the battery pack look neat and beautiful. While fulfilling the function of the handle, it is also convenient for the storage of the handle and the stacking of the battery pack, thereby improving the volumetric energy density of the battery pack.

[0034] When the handle 22 is in the folded state, there is a gap between the handle 22 and the vertical part 2122. This facilitates the folding and unfolding of the handle.

[0035] In a preferred embodiment, the rotating shaft 23 includes a first fixed end 231, a first rotating shaft body 232, a second rotating shaft body 233, and a second fixed end 234; the first fixed end 231 is disposed on one side of the horizontal portion 2121, and the second fixed end 234 is disposed on the other side of the horizontal portion 2121; the pressure cap is disposed between the first rotating shaft body 232 and the second rotating shaft body 233, and the pressure cap is respectively abutted against the first rotating shaft body 232 and the second rotating shaft body 233.

[0036] In a preferred embodiment, one end of the first rotating shaft body 232 passes through the first fixed end 231 and connects to the handle 22, while the other end abuts against one side of the pressure cover; one end of the second rotating shaft body passes through the second fixed end 233 and connects to the handle 22, while the other end abuts against the other side of the pressure cover. This arrangement allows the rotating shaft to be retracted into the outer casing, resulting in a neat and aesthetically pleasing appearance of the battery pack. It also fulfills the function of the handle while facilitating its storage and stacking; the pressure cover restricts the axial movement of the rotating shaft.

[0037] In a preferred embodiment, the end of the first fixed end 231 away from the second fixed end 233 is provided with a first through hole (not shown in the figure), through which the first rotating shaft body 232 passes and connects to the handle 22; the end of the second fixed end 233 away from the first fixed end 231 is provided with a second through hole (not shown in the figure), through which the second rotating shaft body 233 passes and connects to the handle 22. This arrangement allows the rotating shaft to connect to the handle even when retracted into the outer casing, resulting in a neat and aesthetically pleasing battery pack appearance. It also fulfills the function of the handle while facilitating its storage and stacking; the pressure cap restricts the axial movement of the rotating shaft.

[0038] In this embodiment of the application, both the first rotating shaft body 232 and the second rotating shaft body 233 are T-shaped rotating shafts, which allows the head end of the rotating shaft to be locked onto the fixed end and to movably abut against the pressure cap.

[0039] In a preferred embodiment, the first through hole is adapted to the handle 22 and the first rotating shaft body 232 respectively; the second through hole is adapted to the handle 22 and the second rotating shaft body 233 respectively.

[0040] In a preferred embodiment, a first screw hole 30 is provided between the first fixed end 231 and the second fixed end 234; a second screw hole 241 is provided on the side of the pressure cap 24 near the first screw hole 30; when the pressure cap 24 abuts against the first rotating shaft body 232 and the second rotating shaft body 233, the second screw hole 241 is fitted onto the first screw hole 30. This arrangement facilitates the fixing of the pressure cap, makes the battery pack look neat and beautiful, fulfills the function of a handle, and restricts the axial movement of the rotating shaft.

[0041] In this embodiment, four first screw holes 30 and four second screw holes 241 are provided, with the four second screw holes respectively located on the end corners of the pressure cap. This arrangement ensures the stability of the pressure cap, fulfills the handle function, and restricts the axial movement of the rotating shaft.

[0042] In a preferred embodiment, the first screw hole 30 and the second screw hole 241 are provided in a one-to-one correspondence; the second screw hole 241 is fixed to the first screw hole 30 by screws 40.

[0043] In a preferred embodiment, the first screw hole 30 is adapted to the second screw hole 241; the screw 40 is adapted to both the first screw hole 30 and the second screw hole 241. This arrangement ensures the stability of the cap fixation, fulfills the handle function, and restricts the axial movement of the shaft.

[0044] In a preferred embodiment, the housing, the T-shaped boss 212, and the U-shaped recess 213 are integrally formed; the first fixing end 231, the second fixing end 233, the first screw hole 30, and the horizontal part 2121 are integrally formed.

[0045] In a preferred embodiment, the handle 22 is a U-shaped handle, and the U-shaped handle is adapted to the U-shaped recess 213.

[0046] In a preferred embodiment, the width of the U-shaped handle is the same as the width of the U-shaped recess 213; the thickness of the U-shaped handle is the same as the height of the vertical portion 2122.

[0047] In a preferred embodiment, a plurality of connectors 50 are provided on the end face of the horizontal portion 2121 away from the vertical portion 2122, and the plurality of connectors 50 are arranged independently of each other.

[0048] In a preferred embodiment, the battery pack body 10 is a square-shell battery pack body; the square-shell battery pack body is a lithium-ion battery pack or a sodium-ion battery pack.

[0049] This application, by incorporating a handle hinge assembly at the top of the battery pack and controlling the arrangement and connection of its components, not only fulfills the structural function of the handle but also facilitates its storage, resulting in a more regular overall appearance of the battery pack. This facilitates stacking and effectively improves the volumetric energy density of the battery pack, while also enhancing its aesthetic appeal. The simple structure of this application, with the hinge structure not visible from the outside, leads to better overall consistency and a more attractive appearance. Furthermore, the reduced number of components lowers operating costs, making it more practical and economical, and suitable for production and use as a general-purpose product.

[0050] In the description of this specification, references to terms such as "an embodiment," "example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0051] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0052] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A handle hinge structure of a battery pack, characterized by, The battery pack body and the handle shaft assembly; the handle shaft assembly includes a shell, a handle, a shaft and a gland; the shell includes a shell, a "T" type boss arranged on the shell and a "U" type recess arranged on the shell, and the shell is fixed to the top of the battery pack body; The "T" type boss includes an integral horizontally arranged part and a vertical part, and the "U" type recess is arranged on the outer side of the vertical part; the handle is arranged on the "U" type recess; the shaft is arranged on one end of the horizontal part close to the vertical part, and the shaft is arranged in the side of the horizontal part close to the battery pack body; the gland is in contact with the shaft.

2. The handle hinge structure of the battery pack according to claim 1, wherein, The shaft includes a first fixed end, a first shaft body, a second shaft body and a second fixed end; the first fixed end is arranged on one side of the horizontal part, and the second fixed end is arranged on the other side of the horizontal part; the gland is arranged between the first shaft body and the second shaft body, and the gland is in contact with the first shaft body and the second shaft body respectively.

3. The handle hinge structure of the battery pack according to claim 2, wherein, One end of the first shaft body is connected with the handle through the first fixed end, and the other end is in contact with one side of the gland; one end of the second shaft body is connected with the handle through the second fixed end, and the other end is in contact with the other side of the gland.

4. The handle hinge structure of the battery pack according to claim 2, wherein, One end of the first fixed end away from the second fixed end is provided with a first through hole, and the first shaft body is connected with the handle through the first through hole; one end of the second fixed end away from the first fixed end is provided with a second through hole, and the second shaft body is connected with the handle through the second through hole.

5. The handle hinge structure of the battery pack according to claim 4, wherein, The first through hole is arranged in the handle and the first shaft body; the second through hole is arranged in the handle and the second shaft body.

6. The handle hinge structure of the battery pack according to claim 2, wherein The first fixed end and the second fixed end are provided with a first screw hole; the side of the gland close to the first screw hole is provided with a second screw hole; when the gland is in contact with the first shaft body and the second shaft body, the second screw hole is sleeved on the first screw hole.

7. The handle hinge structure of the battery pack according to claim 6, wherein, The first screw hole and the second screw hole are arranged one by one; the second screw hole is fixed on the first screw hole by a screw.

8. The handle hinge structure of the battery pack according to claim 7, wherein, The first screw hole and the second screw hole are arranged in the handle and the first shaft body; the second screw hole is arranged in the handle and the second shaft body.

9. The handle hinge structure of the battery pack according to claim 6, wherein, The shell, the "T" type boss and the "U" type recess are integrally formed; the first fixed end, the second fixed end, the first screw hole and the horizontal part are integrally formed.

10. The handle hinge structure of the battery pack according to claim 1, wherein, The handle is a "U" type handle, and the "U" type handle is arranged in the "U" type recess; The width of the "U" type handle is the same as the width of the "U" type recess; the thickness of the "U" type handle is the same as the height of the vertical part; The end face of the horizontal part away from the vertical part is provided with a plurality of connectors, and the plurality of connectors are independently arranged. The battery pack body is a square shell battery pack body; the square shell battery pack body is a lithium ion battery pack or a sodium ion battery pack.