CN220492034U - Battery box, battery and power consumption device - Google Patents

Abstract

The application provides a box of battery, battery and power consumption device, the box of this battery include main part and connect in main part and around the flange portion of locating main part periphery, flange portion is equipped with reinforced structure in one side of self axial, reinforced structure includes a plurality of first strengthening ribs that set up along the radial interval of main part, first strengthening rib extends along the circumference of main part, all is equipped with first breach on every first strengthening rib, first breach dislocation set in a plurality of first strengthening ribs and with the clearance between the first strengthening rib and the outer peripheral face intercommunication of flange portion. Because the flange portion is equipped with the additional strengthening including a plurality of first strengthening ribs, a plurality of first strengthening ribs all are equipped with the clearance between the first strengthening rib and the outer peripheral face intercommunication of flange portion for be difficult for depositing water in the additional strengthening, be favorable to alleviateing the influence of corrosion and soaking scheduling problem to the box of battery, be favorable to making the box of this battery keep better structural strength, improved the reliability of the box of this battery.

Description

Battery box, battery and power consumption device

Technical Field

The present disclosure relates to battery technology, and in particular, to a battery case, a battery, and an electric device.

Background

The battery has the advantages of high specific energy, high power density and the like, and is widely used in electronic equipment and vehicles, such as mobile phones, notebook computers, battery cars, electric automobiles, electric airplanes, electric ships, electric tools and the like.

With the increasing range of applications of batteries in various fields, the reliability of batteries is increasingly receiving attention from those skilled in the art.

Disclosure of Invention

In view of the above, the present application provides a battery case, a battery, and an electric device, in which the battery case can maintain good structural strength and has good reliability.

In a first aspect, some embodiments of the present application provide a case of battery, this case includes main part and flange portion, and flange portion connects in main part and around locating the periphery of main part, and flange portion is equipped with reinforced structure in one side of self axial, and reinforced structure includes a plurality of first strengthening ribs that set up along the radial interval of main part, and first strengthening rib extends along the circumference of main part, all is equipped with first breach on every first strengthening rib, and first breach communicates the clearance between the first strengthening rib and the outer peripheral face of flange portion.

In the structure, as the flange part is provided with the reinforcing structure comprising the plurality of first reinforcing ribs, the plurality of first reinforcing ribs are respectively provided with the first gaps for communicating the gaps between the first reinforcing ribs with the outer peripheral surface of the flange part, so that water is not easy to store in the reinforcing structure, the influence of corrosion, soaking and other problems on the box body of the battery is reduced, the box body of the battery is kept to have better structural strength, and the reliability of the box body of the battery is improved.

According to the battery box provided by some embodiments of the application, the first gaps in the first reinforcing ribs are arranged in a staggered mode, so that the first gaps in the first reinforcing ribs are arranged in a scattered mode, and are not concentrated in the part of the flange part, and the possibility of insufficient local rigidity of the flange part can be reduced.

According to the battery box provided by some embodiments of the application, the connecting hole is formed in the flange portion, the reinforcing structure further comprises the second reinforcing ribs, the second reinforcing ribs are wound on the periphery of the connecting hole, the gaps between the first reinforcing ribs can be separated from the connecting hole, substances (such as water) between the gaps of the first reinforcing ribs cannot easily enter the connecting hole, the connecting bolts, the connecting pins and other connecting pieces are facilitated to be soaked, and the possibility that the connecting bolts, the connecting pins and other connecting pieces corrode is facilitated to be reduced. The first strengthening rib is connected in the outside of second strengthening rib for first strengthening rib and second strengthening rib can connect into a overall structure, are favorable to improving the wholeness of reinforced structure, and then improve the reinforcing effect to flange portion overall structure intensity.

According to the battery box provided by some embodiments of the application, the second reinforcing rib is provided with the second notch, the second notch is communicated with the outer peripheral surface of the flange part, so that substances (such as water) in the space surrounded by the second reinforcing rib can flow out of the flange part, the possibility of stacking on the flange part is reduced, the possibility of soaking in water of the connecting hole is reduced, and the influence of stacking of the materials on the box body on the flange part is reduced.

According to the battery box provided by some embodiments of the application, the second notch is configured to be arranged outwards along the radial direction of the main body part, so that the path of water and other substances flowing out of the second notch is shorter, and the smoothness of the drainage of the second notch is improved.

According to the battery box provided by some embodiments of the application, the flange part comprises a first side face and a second side face which are oppositely arranged along the axial direction of the flange part, the reinforcing structure is arranged on the first side face, the second side face is provided with a limiting structure, and the limiting structure is used for limiting the movement of the limiting part.

According to the box of battery that this application some embodiments provided, limit structure includes first convex part, and first convex part is protruding from the second side along the axial of main part, and first convex part extends along the circumference of main part, treats that locating part and connecting hole all are located the inboard of first convex part for this box outside treat that the locating part can be limited in one side that deviates from additional strengthening, can reduce additional strengthening and treat the influence of locating part.

According to the battery box provided by some embodiments of the present application, the limit structure further comprises a second protrusion, the second protrusion is arranged along the radial direction of the main body part at intervals with the first protrusion, and the to-be-limited piece and the connecting hole are both located in the gap between the first protrusion and the second protrusion. Through will waiting the clearance that the locating part set up between first convex part and second convex part for the locating part can be spacing between first convex part and second convex part, through the clearance that sets up the connecting hole between with the second convex part, make connecting bolt, connecting pin etc. wear to locate the connecting piece of connecting hole and wait that the locating part can be connected.

According to the battery case provided by some embodiments of the present application, the flange portion is provided with a connection structure, and the connection structure is connected to the reinforcement structure and the main body portion for improving the connection strength of the reinforcement structure on the case.

According to the battery box provided by some embodiments of the application, the main body part, the flange part and the reinforcing structure are of an integrated structure, so that the overall structural strength of the box is improved.

In a second aspect, some embodiments of the present application provide a battery, where the battery includes a battery cell and a case of the battery provided in any one of the foregoing embodiments, and the battery cell is disposed in the case of the battery.

According to some embodiments of the present application, a battery includes a seal coupled to a flange portion of a housing of the battery.

In a third aspect, some embodiments of the present application provide an electrical device, where the electrical device includes a battery provided by the foregoing technical solution, and the battery is used to provide electrical energy.

The technical scheme provided by the embodiment of the disclosure at least brings the following beneficial effects:

the application provides a box of battery, the box of this battery includes main part and flange portion, flange portion connects in main part and around locating the periphery of main part, flange portion is equipped with additional strengthening in one side of self axial, additional strengthening includes a plurality of first strengthening that set up along the radial interval of main part, first strengthening extends along the circumference of main part, all is equipped with first breach on every first strengthening, first breach dislocation set in a plurality of first strengthening and with the clearance between the first strengthening and the outer peripheral surface intercommunication of flange portion. In the structure, as the flange part is provided with the reinforcing structure comprising the plurality of first reinforcing ribs, the plurality of first reinforcing ribs are respectively provided with the first gaps for communicating the gaps between the first reinforcing ribs with the outer peripheral surface of the flange part, so that water is not easy to store in the reinforcing structure, the influence of corrosion, soaking and other problems on the box body of the battery is reduced, the box body of the battery is kept to have better structural strength, and the reliability of the box body of the battery is improved.

The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a schematic illustration of a vehicle according to some embodiments of the present application;

FIG. 2 is a split view of a battery provided in some embodiments of the present application;

fig. 3 is a schematic view of a structure of a case of a battery according to some embodiments of the present application;

FIG. 4 is an enlarged view of FIG. 3 at A;

FIG. 5 is a cross-sectional view of a housing of a battery provided in some embodiments of the present application;

fig. 6 is a schematic structural view of a battery case according to another embodiment of the present disclosure;

fig. 7 is an enlarged view at B in fig. 5.

Reference numerals in the specific embodiments are as follows:

1. a main body portion; 2. a flange portion; 21. a reinforcing structure; 211. a first reinforcing rib; 2111. a first notch; 212. a second reinforcing rib; 2121. a second notch; 22. a limit structure; 221. a first convex portion; 222. a second convex portion; 23. a first side; 24. a second side; 25. a connection structure; 26. a connection hole; 10. a case; 101. a first case; 102. a second case; 20. a battery cell; 30. a seal; 40. a connecting piece; 1000. a vehicle; 100. a battery; 200. a controller; 300. a motor.

Detailed Description

Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.

It should be noted that unless otherwise indicated, technical or scientific terms used in the embodiments of the present application should be given the ordinary meanings as understood by those skilled in the art to which the embodiments of the present application belong.

In the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

Furthermore, the technical terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or be integrated; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of embodiments of the present application, unless explicitly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intermediary. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Currently, the more widely the battery is used in view of the development of market situation. The battery is not only applied to energy storage power supply systems such as hydraulic power, firepower, wind power and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles, electric automobiles, and the like, as well as a plurality of fields such as military equipment, aerospace, and the like. With the continuous expansion of the battery application field, the market demand thereof is also continuously expanding.

With the increasing application range of batteries in various fields, the more attention is paid to the reliability of batteries, and how to improve the reliability of batteries has become an important research direction for those skilled in the art.

Reference to a battery in embodiments of the present application refers to a single physical module that includes one or more battery cells to provide higher voltage and capacity.

The battery cell may be a secondary battery cell, and the secondary battery cell refers to a battery cell that can activate the active material by charging after the battery cell discharges and continue to use.

The battery cell can be lithium ion battery cell, sodium lithium ion battery cell, lithium metal battery cell, sodium metal battery cell, lithium sulfur battery cell, magnesium ion battery cell, nickel-hydrogen battery cell, nickel-cadmium battery cell, lead storage battery cell, etc.

As examples, the battery cell may be a cylindrical battery cell, a prismatic battery cell, a pouch battery cell, or other shaped battery cell, including a square-case battery cell, a blade-shaped battery cell, a polygonal-prismatic battery cell, such as a hexagonal-prismatic battery cell, or the like.

In some embodiments, the battery may be a battery module, and when there are a plurality of battery cells, the plurality of battery cells are arranged and fixed to form one battery module.

In some embodiments, the battery may be a battery pack including a case and a battery cell, the battery cell or battery module being housed in the case.

In some embodiments, the tank may be part of the chassis structure of the vehicle. For example, a portion of the tank may become at least a portion of the floor of the vehicle, or a portion of the tank may become at least a portion of the cross member and the side member of the vehicle.

In some embodiments, the battery may be an energy storage device. The energy storage device comprises an energy storage container, an energy storage electric cabinet and the like.

In general, part of the structure in the case of the battery needs to be connected with other parts of the battery by using a flange structure to realize the surrounding and protection of the battery cells in the battery. However, due to the influence of external factors such as rainwater, the structural strength of the flange structure in the battery case may decrease with time, so that the reliability of the battery case may decrease, thereby affecting the reliability of the battery.

In order to improve the reliability of the box of battery, some embodiments of this application provide a box of battery, the box of this battery includes main part and flange portion, flange portion connects in main part and around locating the periphery of main part, flange portion is equipped with reinforced structure in one side of self axial, reinforced structure includes a plurality of first strengthening ribs that set up along the radial interval of main part, first strengthening rib extends along the circumference of main part, all be equipped with first breach on every first strengthening rib, the clearance and the outer peripheral face intercommunication of flange portion between the first strengthening rib in a plurality of first breachs. In the structure, as the flange part is provided with the reinforcing structure comprising the plurality of first reinforcing ribs, the plurality of first reinforcing ribs are respectively provided with the first gaps for communicating the gaps between the first reinforcing ribs with the outer peripheral surface of the flange part, so that water is not easy to store in the reinforcing structure, the influence of corrosion, soaking and other problems on the box body of the battery is reduced, the box body of the battery is kept to have better structural strength, and the reliability of the box body of the battery is improved.

The box body described in the embodiment of the application is suitable for a battery and an electric device using the battery.

The electric device may be a vehicle, a mobile phone, a portable device, a notebook computer, a ship, a spacecraft, an electric toy, an electric tool, or the like. The vehicle can be a fuel oil vehicle, a fuel gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle or a range-extended vehicle; spacecraft including airplanes, rockets, space planes, spacecraft, and the like; the electric toy includes fixed or mobile electric toys, such as a game machine, an electric car toy, an electric ship toy, and an electric airplane toy; power tools include metal cutting power tools, grinding power tools, assembly power tools, and railroad power tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete shakers, and electric planers, among others. The embodiment of the application does not limit the electric device in particular.

For convenience of description, the following embodiments will take an electric device according to an embodiment of the present application as an example of a vehicle.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 1000 according to some embodiments of the present application. The vehicle 1000 may be a fuel oil vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or a range-extended vehicle. The battery 100 is provided in the interior of the vehicle 1000, and the battery 100 may be provided at the bottom or the head or the tail of the vehicle 1000. The battery 100 may be used for power supply of the vehicle 1000, for example, the battery 100 may be used as an operating power source of the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300, the controller 200 being configured to control the battery 100 to power the motor 300, for example, for operating power requirements during start-up, navigation, and travel of the vehicle 1000.

In some embodiments of the present application, battery 100 may not only serve as an operating power source for vehicle 1000, but may also serve as a driving power source for vehicle 1000, instead of or in part instead of fuel oil or natural gas, to provide driving power for vehicle 1000.

Referring to fig. 2, fig. 2 is an exploded view of a battery 100 according to some embodiments of the present application. The battery 100 includes a case 10 and a battery cell 20, and the battery cell 20 is accommodated in the case 10. Wherein the case 10 is used to provide an accommodation space for the battery cells 20. The number of the battery cells 20 in the battery 100 may be plural, and the plural battery cells 20 may be connected in series, parallel, or series-parallel, and series-parallel refers to that the plural battery cells 20 are connected in both series and parallel. The plurality of battery cells 20 can be directly connected in series or in parallel or in series-parallel, and then the whole formed by the plurality of battery cells 20 is accommodated in the box 10; of course, the battery 100 may also be a battery module formed by connecting a plurality of battery cells 20 in series or parallel or series-parallel connection, and a plurality of battery modules are then connected in series or parallel or series-parallel connection to form a whole and are accommodated in the case 10.

The case 10 may include a first case 101 and a second case 102, the first case 101 and the second case 102 being covered with each other to define a placement space for accommodating the battery cells 20. The first casing 101 and the second casing 102 may be various shapes, such as a rectangular parallelepiped, a cylinder, and the like. The first case 101 may have a hollow structure with one side opened, and the second case 102 may have a hollow structure with one side opened, and the open side of the second case 102 is closed to the open side of the first case 101 to form the case 10 having a space for placement.

The battery 100 may further include other structures, for example, the battery 100 may further include a bus member for making electrical connection between the plurality of battery cells 20.

Wherein each battery cell 20 may be a secondary battery or a primary battery; but not limited to, lithium sulfur batteries, sodium ion batteries, or magnesium ion batteries. The battery cell 20 may be in the shape of a cylinder, a flat body, a rectangular parallelepiped, or other shapes, etc.

Some embodiments of the present application provide a battery case, which may be the first case 101 of the foregoing embodiment or the second case 102 of the foregoing embodiment, and those skilled in the art may set the case according to practical situations. The case 10 of the battery 100 includes a main body 1 and a flange 2, the flange 2 is connected to the main body 1 and is wound around the outer periphery of the main body 1, the flange 2 is provided with a reinforcing structure 21 on one side in the axial direction, as shown in fig. 4, the reinforcing structure 21 includes a plurality of first reinforcing ribs 211 arranged at intervals in the radial direction of the main body 1, the first reinforcing ribs 211 extend along the circumferential direction of the main body 1, each first reinforcing rib 211 is provided with a first notch 2111, and the first notches 2111 are staggered to communicate gaps between the first reinforcing ribs 211 with the outer peripheral surface of the flange 2.

The body part 1 may be a body structure in the case 10 for surrounding a placement space formed to accommodate the battery cell 20. Illustratively, the body part 1 may be a hollow structure forming one side opening, and the hollow structure may be used to form a placement space accommodating the battery cell 20. The main body 1 may also be a flat plate structure, for example, which may be a cover plate covering the opening of other hollow structures to form a placement space for accommodating the battery cells 20.

The flange portion 2 may be a structure wound around the outer periphery of the main body portion 1 in the case 10 for connection with other members outside the case 10 so that the case 10 can be firmly connected to the other members. Illustratively, the thickness direction of the flange portion 2 is arranged in the axial direction of the main body portion 1, facilitating the structural arrangement of the flange portion 2.

The reinforcing structure 21 may be a structure for reinforcing the structural strength of the flange portion 2. By providing the reinforcing structure 21 on the flange portion 2, the flange portion 2 is made to have a strong structural strength, thereby facilitating an improvement in the structural strength of the case 10 so as to improve the reliability of the case 10.

By connecting the reinforcing structure 21 to one side of the flange portion 2 in the axial direction thereof, the flange portion 2 can be connected to other members on the other side in the axial direction thereof, and the reinforcing structure 21 is less likely to interfere with other members.

The first reinforcing rib 211 may be a rib structure included in the reinforcing structure 21, which is disposed on a side surface of the flange portion 2 facing the axial direction thereof and protrudes in the axial direction of the flange portion 2, so that more material is disposed on the flange portion 2, and the structural strength of the flange portion 2 can be enhanced.

By making the reinforcing structure 21 include a plurality of first reinforcing ribs 211, the reinforcing structure 21 can better improve the structural strength of the flange portion 2. By arranging the plurality of first reinforcing ribs 211 on the flange portion 2 at intervals in the radial direction of the main body portion 1, the reinforcing structure 21 can relatively uniformly improve the structural strength of the flange portion 2.

By arranging the first reinforcing ribs 211 to extend in the circumferential direction of the main body portion 1 such that the first reinforcing ribs 211 take a ring-shaped structure around the outer periphery of the main body portion 1, the first reinforcing ribs 211 can reinforce the entire structure of the flange portion 2 of the outer periphery of the main body portion 1.

The first notch 2111 may be an opening formed in the first reinforcing rib 211 for communicating both side spaces of the first reinforcing rib 211 so that substances (e.g., water) in both side spaces of the first reinforcing rib 211 can be exchanged with each other. By forming the first notch 2111 in each first reinforcing rib 211 and communicating the gaps between the plurality of first reinforcing ribs 211 with the outer peripheral surface of the flange portion 2 through the first notch 2111, the substances (such as water) in the gaps between the plurality of first reinforcing ribs 211 can flow out of the flange portion 2, the possibility of accumulation on the flange portion 2 is reduced, and the influence of accumulation of the materials on the flange portion 2 on the box 10 is reduced.

In the above structure, since the flange portion 2 is provided with the reinforcing structure 21 including the plurality of first reinforcing ribs 211, the plurality of first reinforcing ribs 211 are provided with the first notches 2111 to communicate the gaps between the first reinforcing ribs 211 with the outer peripheral surface of the flange portion 2, so that water is not easy to be stored in the reinforcing structure 21, the influence of corrosion, soaking and other problems on the case 10 of the battery 100 is reduced, the case 10 of the battery 100 is kept to have good structural strength, and the reliability of the case 10 of the battery 100 is improved.

In some embodiments, the first notches 2111 in the plurality of first reinforcing ribs 211 are offset.

The first notches 2111 of the plurality of first reinforcing ribs 211 are arranged in a staggered manner, that is, the first notches 2111 of the plurality of first reinforcing ribs 211 are arranged in a non-aligned manner along the radial direction of the main body portion 1, so that the first notches 2111 of the plurality of first reinforcing ribs 211 are arranged in a dispersed manner, not in a concentrated manner, but in a local part of the flange portion 2, and the possibility of occurrence of local insufficient rigidity of the flange portion 2 can be reduced.

In some embodiments, the flange portion 2 is provided with a connection hole 26, the reinforcing structure 21 further includes a second reinforcing rib 212, the second reinforcing rib 212 is wound around the outer periphery of the connection hole 26, and the first reinforcing rib 211 is connected to the outer side of the second reinforcing rib 212.

The connection hole 26 may be a hole structure provided in the flange portion 2 for penetrating the connection member 40 such as a connection bolt or a connection pin. The connection hole 26 may be configured as a through hole penetrating the flange portion 2 in the axial direction of the main body portion 1 so that the connection member 40 such as a connection bolt, a connection pin, or the like can protrude outward from the connection hole 26, facilitating connection of the connection member 40 such as a connection bolt, a connection pin, or the like with an external member.

The second reinforcing rib 212 may be a rib structure included in the reinforcing structure 21, which is disposed on a side surface of the flange portion 2 facing the axial direction thereof and protrudes in the axial direction of the flange portion 2, so that more material is disposed on the flange portion 2, and the structural strength of the flange portion 2 can be enhanced. By winding the second reinforcing ribs 212 around the periphery of the connecting hole 26, the gap between the first reinforcing ribs 211 can be separated from the connecting hole 26, so that substances (such as water) between the gaps of the first reinforcing ribs 211 are not easy to enter the connecting hole 26, the connecting piece 40 such as a connecting bolt and a connecting pin is facilitated to be soaked, and the possibility of corrosion of the connecting piece 40 such as the connecting bolt and the connecting pin is facilitated to be reduced.

Through connecting first strengthening rib 211 in the outside of second strengthening rib 212 for first strengthening rib 211 and second strengthening rib 212 can connect into a overall structure, are favorable to improving the wholeness of reinforced structure 21, and then improve the reinforcing effect to flange portion 2 overall structure intensity.

In some embodiments, the second rib 212 is provided with a second notch 2121, and the second notch 2121 communicates with the outer peripheral surface of the flange portion 2.

The second notch 2121 may be an opening formed in the second reinforcing rib 212, and the opening is used for communicating a space surrounded by the second reinforcing rib 212 with an outer peripheral surface of the flange portion 2, so that a substance (for example, water) in the space surrounded by the second reinforcing rib 212 can flow out of the flange portion 2, a possibility of stacking on the flange portion 2 is reduced, a possibility of soaking the connecting hole 26 is reduced, and an influence of stacking of a material on the flange portion 2 on the case 10 is reduced.

In some embodiments, the second notch 2121 is configured to be disposed radially outward of the body portion 1.

By arranging the second notch 2121 so as to be oriented in the radial direction of the main body portion 1, the path of water or the like flowing out of the second notch 2121 is short, which is advantageous in improving the smoothness of the drainage of the second notch 2121.

In some embodiments, as shown in fig. 5, the flange portion 2 includes a first side 23 and a second side 24 disposed opposite to each other along an axial direction thereof, the reinforcing structure 21 is disposed on the first side 23, and the second side 24 is provided with a limiting structure 22, where the limiting structure 22 is used to limit movement of the member to be limited.

The first side surface 23 and the second side surface 24 may be two side surfaces of the flange portion 2 which are disposed at an opposite interval in the axial direction thereof. Through setting up the additional strengthening 21 in first side 23, set up the limit structure 22 that is used for restricting the outside of this box 10 and treat the locating part removal on second side 24 for the outside of this box 10 treat the locating part and can be prescribe a limit to the one side that deviates from additional strengthening 21, can reduce additional strengthening 21 and treat the influence of locating part.

In some embodiments, as shown in fig. 6 and 7, the limiting structure 22 includes a first protrusion 221, the first protrusion 221 protrudes from the second side surface 24 along the axial direction of the main body 1, the first protrusion 221 extends along the circumferential direction of the main body 1, and the to-be-limited piece and the connection hole 26 are both located inside the first protrusion 221.

The first protruding portion 221 may be a structure protruding from the second side surface 24 in the axial direction of the main body portion 1, extending in the circumferential direction of the main body portion 1 and wound around the outer periphery of the main body portion 1. By disposing the to-be-limited member inside the first protrusion 221, not only the first protrusion 221 is enabled to limit the movement of the to-be-limited member in the radial direction of the main body portion 1, but also the rigidity of the flange portion 2 is facilitated to be improved. By disposing the connection hole 26 inside the first protrusion 221, the connection member 40, such as a connection bolt, a connection pin, or the like, penetrating the connection hole 26 can be connected with the member to be limited.

In some embodiments, the limiting structure 22 further includes a second protrusion 222, where the second protrusion 222 is spaced from the first protrusion 221 along the radial direction of the main body 1, and the to-be-limited piece and the connecting hole 26 are both located in a gap between the first protrusion 221 and the second protrusion 222.

The second convex portion 222 may be a structure protruding from the second side surface 24 in the axial direction of the main body portion 1, and is provided to extend in the circumferential direction of the main body portion 1. By disposing the second convex portion 222 around the outer periphery of the main body portion 1 and at a distance from the first convex portion 221 in the radial direction of the main body portion 1, it is possible to form a gap between the first convex portion 221 and the second convex portion 222 while also contributing to an improvement in rigidity of the flange portion 2. The spacing member can be limited between the first protrusion 221 and the second protrusion 222 by setting the spacing member to be limited in the gap between the first protrusion 221 and the second protrusion 222, and the connecting member 40, such as a connecting bolt, a connecting pin, etc., penetrating the connecting hole 26 can be connected with the spacing member to be limited by setting the connecting hole 26 in the gap between the second protrusion 222 and the first protrusion 221.

In some embodiments, the flange portion 2 is provided with a connection structure 25, the connection structure 25 being connected to the reinforcing structure 21 and the main body portion 1.

The connection structure 25 may be a structure for connecting the reinforcing structure 21 and the main body portion 1, which serves to enhance the connection strength of the reinforcing structure 21 to the case 10. Illustratively, the connection structure 25 includes a third reinforcing rib connected between the first reinforcing rib 211 of the reinforcing structure 21 near the main body portion 1 and the main body portion 1, so that the third reinforcing rib can improve the connection strength of the reinforcing structure 21 to the case 10.

Illustratively, a plurality of third reinforcing ribs are provided, and the plurality of third reinforcing ribs are provided at equal intervals along the axial direction of the main body portion 1 to uniformly enhance the connection strength of the reinforcing structure 21 with the case 10.

In some embodiments, the body portion 1, the flange portion 2, and the reinforcing structure 21 are an integrally formed structure.

The main body part 1, the flange part 2 and the reinforcing structure 21 are integrally formed, which is beneficial to improving the overall structural strength of the box body 10. The main body part 1, the flange part 2 and the reinforcing structure 21 can be manufactured by adopting an integrally formed processing method such as casting, so that the box body 10 can be manufactured integrally and synchronously, the box body 10 is convenient to manufacture, and the integral structure of the box body 10 has good strength; the main body part 1, the flange part 2 and the reinforcing structure 21 can be manufactured by machining the whole blank by adopting a mechanical machining method such as milling and the like, so that the bracket has lower machining difficulty and lower machining cost.

Some embodiments of the present application further provide a battery 100, where the battery 100 includes the case 10 and the battery cell 20 of the battery 100 provided by the above technical solution, and the battery cell 20 is disposed in the case 10.

In some embodiments, battery 100 includes a seal 30, seal 30 being connected to flange portion 2 of case 10 of battery 100.

The sealing member 30 may be a member to be limited as mentioned in the foregoing technical solution, and the sealing member 30 can seal the connection position between the case 10 of the battery 100 and the external component under the limitation of the limiting structure 22.

The sealing member 30 may be, for example, a sealing ring interposed between the flange portion 2 and the external member to seal the connection position of the case 10 of the battery 100 and the external member. In some embodiments, the sealing member 30 may be a structure formed by curing a sealant, and the sealant applied to the second side 24 of the flange portion 2 may be cured under the limitation of the limiting structure 22 to form the sealing member 30 sealing the connection position between the case 10 of the battery 100 and the external component.

Some embodiments of the present application further provide an electric device, where the electric device includes the battery 100 provided by the above technical solution, and the battery 100 is used for providing electric energy.

The powered device may be any of the devices or systems described above that employ battery 100.

According to some embodiments of the present application, there is provided a case 10 of a battery 100, the case 10 of the battery 100 including a main body 1 and a flange 2, the flange 2 being connected to the main body 1 and wound around the outer periphery of the main body 1, the flange 2 including a first side 23 and a second side 24 axially opposite to each other along the flange, the first side 23 being provided with a reinforcing structure 21 and a connecting structure 25, the second side 24 being provided with a limiting structure 22. The plurality of first reinforcing ribs 211 in the reinforcing structure 21 are arranged at intervals along the radial direction, each first reinforcing rib 211 extends along the circumferential direction of the main body part 1 and is provided with a first notch 2111, and the first notches 2111 in the plurality of first reinforcing ribs 211 are arranged in a staggered manner and communicate gaps between the first reinforcing ribs 211 with the outer circumferential surface of the flange part 2. The second reinforcing rib 212 of the reinforcing structure 21 is provided around the outer periphery of the connection hole 26 provided in the flange portion 2, and communicates with the outer peripheral surface of the flange portion 2 through the second notch 2121. The stopper structure 22 includes a first boss 221 and a second boss 222 arranged at intervals in the radial direction of the main body portion 1, and the connection hole 26 is provided between the first boss 221 and the second boss 222, and a gap between the first boss 221 and the second boss 222 is used for setting the seal 30 to wait for the stopper.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and are intended to be included within the scope of the claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (13)

1. A battery case comprising:

a main body portion;

the flange portion is connected in the main part and around locating the periphery of main part, flange portion is equipped with additional strengthening in self axial one side, additional strengthening includes a plurality of edges the radial interval of main part sets up first strengthening rib, first strengthening rib is followed the circumference of main part extends, every all be equipped with first breach on the first strengthening rib, first breach will clearance between the first strengthening rib with the outer peripheral surface intercommunication of flange portion.

2. The battery case of claim 1, wherein the first notches in the plurality of first ribs are offset.

3. The battery case according to claim 1, wherein the flange portion is provided with a connection hole, the reinforcing structure further comprises a second reinforcing rib provided around the outer periphery of the connection hole, and the first reinforcing rib is connected to the outer side of the second reinforcing rib.

4. A case for a battery according to claim 3, wherein the second reinforcing rib is provided with a second notch, and the second notch communicates with the outer peripheral surface of the flange portion.

5. The battery case according to claim 4, wherein the second notch is configured to be disposed radially outward of the main body portion.

6. A battery case according to claim 3, wherein the flange portion includes a first side surface and a second side surface which are disposed opposite to each other in an axial direction thereof, the reinforcing structure is disposed on the first side surface, and the second side surface is provided with a stopper structure for restricting movement of the member to be restricted.

7. The battery case according to claim 6, wherein the stopper structure includes a first protrusion protruding from the second side surface in an axial direction of the main body portion, the first protrusion extending in a circumferential direction of the main body portion, the member to be stopper and the connecting hole being both located inside the first protrusion.

8. The battery case according to claim 7, wherein the stopper structure further includes a second protrusion provided at an interval from the first protrusion in a radial direction of the main body portion, the member to be restricted and the connection hole being both located at a gap between the first protrusion and the second protrusion.

9. The case of a battery according to claim 1, wherein the flange portion is provided with a connection structure, the connection structure being connected to the reinforcing structure and the main body portion.

10. The battery case according to claim 1, wherein the main body portion, the flange portion, and the reinforcing structure are an integrally molded structure.

11. A battery, comprising:

a battery cell;

the case of a battery according to any one of claims 1 to 10, the battery cell being provided in the case of the battery.

12. The battery of claim 11, wherein the battery includes a seal coupled to a flange portion of a housing of the battery.

13. An electrical device comprising a battery as claimed in claim 11 or 12 for providing electrical energy.