CN220672744U - Battery and electricity utilization device - Google Patents

Abstract

The application relates to the technical field of batteries and provides a battery and power consumption device, this battery includes box, connecting piece and retaining member, the first box portion of box and second box portion are mutually covered and enclose and close and form accommodation space, the connecting piece includes interconnect's supporting part and support portion, the supporting part is connected in first box portion, support portion one side that faces second box portion and offsets with second box portion, the first connecting portion of retaining member passes the second box and connects in support portion, at least part clamp of second box portion locates between retaining portion and the support portion. In the structure, as the locking part and the supporting part clamp at least part of the second box body part, the supporting part is connected with the first box body part, so that the first box body part and the second box body part can be firmly connected without additionally arranging connecting structures such as a connecting bracket, a connecting seat and the like on the first box body part, thereby being beneficial to reducing the cost of the battery.

Description

Battery and electricity utilization device

Technical Field

The present disclosure relates to battery technologies, and in particular, to 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 continuous expansion of the application range of batteries in various fields, the cost of batteries is becoming more and more interesting. How to reduce the cost of the battery has become an important research direction for those skilled in the art.

Disclosure of Invention

In view of the foregoing, the present application provides a battery and an electric device, the battery having a low manufacturing cost.

In a first aspect, some embodiments of the present application provide a battery, including a case, a connecting member, and a locking member, where the case includes a first case portion and a second case portion, and the first case portion and the second case portion are mutually covered and enclosed to form an accommodating space; the connecting piece comprises a supporting part and a propping part which are connected with each other, the supporting part is connected with the first box body part, and the propping part is positioned at one side of the supporting part facing the second box body part and propped against the second box body part; the locking piece comprises a first connecting part and a locking part which are connected, the first connecting part penetrates through the second box body part to be connected with the supporting part, and at least part of the second box body part is clamped between the locking part and the supporting part.

In the structure, as the locking part and the supporting part clamp at least part of the second box body part, the supporting part is connected with the first box body part, so that the first box body part and the second box body part can be firmly connected without additionally arranging connecting structures such as a connecting bracket, a connecting seat and the like on the first box body part, thereby being beneficial to reducing the cost of the battery.

According to the battery provided by some embodiments of the application, the battery further comprises a sealing element, the sealing element is arranged on the side face, facing the second box body, of the supporting portion, the sealing element is arranged on the periphery of the first connecting portion in a winding mode, the penetrating position of the first connecting portion is sealed, and the risk that water enters from the penetrating position of the first connecting portion is reduced.

According to the battery provided by some embodiments of the application, the side surface of the propping part facing the second box body part is provided with the connecting hole and the positioning ring groove, the positioning ring groove is wound on the periphery of the connecting hole, the first connecting part is connected with the connecting hole, at least part of the sealing element is arranged in the positioning ring groove, and the sealing element is arranged on the side surface of the propping part facing the second box body part and is positioned on the periphery of the first connecting part.

According to the battery provided by some embodiments of the application, the first connecting portion is in threaded connection with the connecting hole, so that the locking piece and the connecting piece are convenient to connect.

According to the battery provided by some embodiments of the present application, one end of the supporting portion away from the supporting portion is connected with the first case portion.

According to the battery provided by some embodiments of the application, the support part is provided with the second connecting part far away from one end of the supporting part, and the support part is connected with the first box part through the second connecting part, so that one end of the support part far away from the supporting part can be firmly connected with the first box part.

According to the battery provided by some embodiments of the application, the second connecting portion is in threaded connection with the first box portion, and the second connecting portion can be connected with the threaded hole in a screwing mode, so that the second connecting portion is convenient to connect with the first box portion.

According to the battery provided by some embodiments of the application, the supporting part protrudes out of the outer peripheral surface of the supporting part, so that the supporting part and the first box body part have a larger contact area, the pressure intensity at the contact surface is reduced, and the possibility that the first box body part is crushed to be damaged is reduced.

According to the battery provided by some embodiments of the application, the supporting portion is provided with the polygonal groove, the polygonal groove is arranged on the side surface of the supporting portion facing the second box body portion, and the central axis of the polygonal groove coincides with the central axis of the second connecting portion.

According to the battery provided by some embodiments of the application, the battery is provided with the rivet nut arranged on the first box body part, and the supporting part is connected with the rivet nut in a threaded manner, so that the connection strength of the supporting part and the first box body part can be improved.

According to the battery provided by some embodiments of the application, the first box body comprises a box main body and a reinforcing beam, one side of the box main body facing the second box body is provided with a containing concave part, and at least part of the reinforcing beam is contained in the containing concave part and is fixed on the box main body; the supporting part is connected to the reinforcing beam, so that the connection strength between the supporting part and the first box body part can be improved.

In a second 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 battery, this battery includes box, connecting piece and retaining member, the first box portion and the second box portion of box are mutually covered and are enclosed and form accommodation space, the connecting piece includes interconnect's supporting part and support portion, the supporting part is connected in first box portion, support portion face one side of second box portion and offset with second box portion, the first connecting portion of retaining member passes the second box and connects in support portion, at least part clamp of second box portion locates between retaining portion and the support portion. In the structure, as the locking part and the supporting part clamp at least part of the second box body part, the supporting part is connected with the first box body part, so that the first box body part and the second box body part can be firmly connected without additionally arranging connecting structures such as a connecting bracket, a connecting seat and the like on the first box body part, thereby being beneficial to reducing the cost of the battery.

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 cross-sectional view of a battery at a connection of some embodiments of the present application;

fig. 4 is a schematic structural view of a connection member of a battery according to some embodiments of the present application;

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

fig. 6 is a top view of a first housing portion of a battery provided in some embodiments of the present application.

Reference numerals in the specific embodiments are as follows:

1. a connecting piece; 11. a support part; 111. a second connecting portion; 12. a holding portion; 121. a connection hole; 122. positioning ring grooves; 123. polygonal grooves; 2. a locking member; 21. a first connection portion; 22. a locking part; 3. a seal; 4. pulling and riveting a nut; 10. a case; 101. a first box portion; 1011. a box main body; 1012. a stiffening beam; 102. a second box portion; 20. a battery cell; 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.

Along with the continuous expansion of the application range of the battery in various fields, the manufacturing cost of the battery is more and more focused by the technicians in the field, and the popularization of the battery in various fields can be accelerated by reducing the cost of the battery.

In order to reduce manufacturing cost of a battery, embodiments of the application provide a battery, the battery includes a box body, a connecting piece and a locking piece, a first box body portion and a second box body portion of the box body are mutually covered and enclosed to form an accommodating space, the connecting piece includes a supporting portion and a supporting portion which are mutually connected, the supporting portion is connected to the first box body portion, the supporting portion faces one side of the second box body portion and is propped against the second box body portion, a first connecting portion of the locking piece penetrates through the second box body and is connected to the supporting portion, and at least part of the second box body portion is clamped between the locking portion and the supporting portion. In the structure, as the locking part and the supporting part clamp at least part of the second box body part, the supporting part is connected with the first box body part, so that the first box body part and the second box body part can be firmly connected without additionally arranging connecting structures such as a connecting bracket, a connecting seat and the like on the first box body part, thereby being beneficial to reducing the cost of the battery.

The battery described in the embodiments of the present application is applicable to a power 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 embodiment will take an electric device according to an embodiment of the present application as an example of the vehicle 1000.

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 case 10 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 series or 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 part 101 and a second case part 102, the first case part 101 and the second case part 102 being covered with each other to define a placement space for accommodating the battery cells 20. The first and second case portions 101 and 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 case 10 having a space for placing is formed by closing the open side of the second case 102 to the open side of the first case 101.

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 100, as shown in fig. 3, the battery 100 includes a case 10, a connecting member 1, and a locking member 2, where the case 10 includes a first case portion 101 and a second case portion 102, and the first case portion 101 and the second case portion 102 are mutually covered and enclosed to form an accommodating space; the connecting piece 1 comprises a supporting part 11 and a propping part 12 which are connected with each other, wherein the supporting part 11 is connected with the first box body part 101, and the propping part 12 is positioned on one side of the supporting part 11 facing the second box body part 102 and propped against the second box body part 102; the locking member 2 includes a first connecting portion 21 and a locking portion 22, wherein the first connecting portion 21 is connected to the holding portion 12 through the second housing portion 102, and at least a portion of the second housing portion 102 is sandwiched between the locking portion 22 and the holding portion 12.

The case 10 may be a housing structure in the battery 100, which is used to enclose an accommodating space capable of accommodating devices such as the battery cell 20, so that the devices such as the battery cell 20 can be protected by the case 10, and the possibility that the devices such as the battery cell 20 are knocked and bumped is reduced.

The first case 101 and the second case 102 are enclosed by being covered with each other to form an accommodating space for accommodating the battery cell 20 and the like. Illustratively, the first and second box portions 101 and 102 are each provided with a receiving recess, the first and second box portions 101 and 102 are mutually covered, and the receiving recess on the first box portion 101 communicates with the receiving recess on the second box portion 102 to form a receiving space.

The connector 1 may be a member for connecting the first case portion 101 and the second case portion 102, which can connect the first case portion 101 and the second case portion 102, and it is unnecessary to provide a connection structure such as a connection bracket or a connection base, which is advantageous in reducing the cost of the battery 100. The supporting part 11 and the supporting part 12 are two parts which are mutually connected on the connecting piece 1, wherein the supporting part 11 is connected to the first box body part 101, the supporting part 12 is connected to one side, facing the second box body part 102, of the supporting part 11 and is connected to the second box body part 102, so that the connecting piece 1 is positioned between the first box body part 101 and the second box body part 102, and can support the first box body part 101 and the second box body part 102, and the connection stability of the first box body part 101 and the second box body part 102 is improved.

The locking member 2 may be a member for locking the second housing 102 to the abutment 12, so that the possibility of the second housing 102 being separated from the abutment 12 can be reduced. The first connecting portion 21 and the locking portion 22 are two portions of the locking member 2 that are connected to each other, wherein the first connecting portion 21 may be configured as a columnar structure, and penetrates through the second box portion 102 to be connected to the abutting portion 12, so as to drive the locking portion 22 to press at least part of the second box portion 102 onto the abutting portion 12, so that the abutting portion 12 abuts against the second box portion 102, and clamping of the locking portion 22 and the abutting portion 12 to at least part of the second box portion 102 is achieved, so that the second box portion 102 can be firmly connected to the abutting portion 12.

Illustratively, the locking member 2 may be a connecting bolt, the first connecting portion 21 may be a stud of the connecting bolt, and the locking portion 22 is a bolt head of the connecting bolt, so that by using a common connecting bolt as the locking member 2, the cost of the locking member 2 is reduced, and thus the cost of the battery 100 is reduced.

In the above structure, since the locking portion 22 and the abutting portion 12 clamp at least part of the second case portion 102, the supporting portion 11 is connected to the first case portion 101, so that the first case portion 101 and the second case portion 102 can be firmly connected, and it is unnecessary to provide additional connection structures such as a connection bracket and a connection seat on the first case portion 101, which is advantageous in reducing the cost of the battery 100.

In some embodiments, the first case portion 101 includes a case main body 1011 and a reinforcing beam 1012, a side of the case main body 1011 facing the second case portion 102 is provided with a receiving recess, and at least part of the reinforcing beam 1012 is received in the receiving recess and fixed to the case main body 1011; the support 11 is connected to the reinforcing beam 1012.

The case main body 1011 may be a main body structure of the first case portion 101, which is a case structure, and a side of the case main body 1011 facing the second case portion 102 is provided with a receiving recess for forming a receiving space. The reinforcing beam 1012 may be a beam-like structure for reinforcing structural strength in the first tank portion 101, which is accommodated in the accommodation recess and fixed to the tank main body 1011, and forms the first tank portion 101 together with the tank main body 1011.

Since the structural strength of the reinforcing beam 1012 is greater than that of the case main body 1011 having a case structure, the strength of connection between the supporting portion 11 and the first case portion 101 can be improved by connecting the supporting portion 11 to the reinforcing beam 1012.

In some embodiments, the battery 100 further includes a seal member 3, the seal member 3 being disposed on a side of the abutting portion 12 facing the second case portion 102, the seal member 3 being disposed around the outer periphery of the first connecting portion 21.

The sealing member 3 may be a member for sealing the case 10 of the battery 100, which can reduce the risk of water inflow of the battery 100, and is advantageous in ensuring the stability of the operation of the battery 100. The sealing element 3 can be a sealing rubber ring made of elastic rubber, has good elasticity, and is arranged on the side surface of the abutting part 12, which faces the second box body part 102, by winding the sealing element 3 on the periphery of the first connecting part 21, so that the sealing element 3 is clamped between the abutting part 12 and the second box body part 102 to seal the penetrating position of the first connecting part 21, and the risk of water inflow of the box body 10 from the penetrating position of the first connecting part 21 is reduced.

In some embodiments, as shown in fig. 4, a connecting hole 121 and a positioning ring groove 122 are provided on a side surface of the abutting portion 12 facing the second case portion 102, the positioning ring groove 122 is wound around an outer periphery of the connecting hole 121, the first connecting portion 21 is connected to the connecting hole 121, and at least part of the sealing member 3 is disposed in the positioning ring groove 122.

The connection hole 121 may be a finger hole structure for connecting with the first connection portion 21, and the connection hole 121 is disposed on a side of the abutment portion 12 facing the second case portion 102, so that when the first connection portion 21 is connected to the connection hole 121, at least a portion of the second case 10 can be locked on the side of the abutment portion 12 facing the second case portion 102.

The positioning ring groove 122 may be an annular groove for disposing the sealing member 3, so that the sealing member 3 is convenient in installation, which is beneficial to saving installation time by disposing at least part of the sealing member 3 in the positioning ring groove 122. By providing the retaining ring groove 122 on the side of the abutment 12 facing the second housing part 102 and around the first connection part 21, it is possible to achieve a positioning of the seal 3 on the side of the abutment 12 facing the second housing part 102 and around the outer periphery of the first connection part 21 by providing at least part of the seal 3 in the retaining ring groove 122.

In some embodiments, the first connection portion 21 is screwed to the connection hole 121.

The first connecting portion 21 is in threaded connection with the connecting hole 121, may be that the connecting hole 121 is set to be a threaded hole, and an external thread matched with an internal thread of the connecting hole 121 is arranged on the outer circumferential surface of the first connecting portion 21, so that the locking member 2 can be connected with the connecting hole 121 in a screwing manner, and the locking member 2 and the connecting member 1 are convenient to connect.

In some embodiments, an end of the support portion 11 remote from the abutment portion 12 is connected to the first housing portion 101.

Through keeping away from the one end of supporting part 11 and holding portion 12 and being connected with first box portion 101 for connecting piece 1 is connected respectively in first box portion 101 and second box portion 102 at the both ends of supporting part 11 and holding portion 12 direction of arranging, makes connecting piece 1 can also support when being connected first box portion 101 and second box portion 102, is favorable to making both relative positions keep stable.

In some embodiments, a second connection portion 111 is provided at an end of the supporting portion 11 away from the abutting portion 12, and the supporting portion 11 is connected to the first case portion 101 through the second connection portion 111.

The second connection portion 111 may be a structure provided on the support portion 11 for connection with the first case portion 101. The second connecting portion 111 is convexly disposed at an end of the supporting portion 11 away from the abutting portion 12, and the supporting portion 11 is connected with the first box portion 101 through the second connecting portion 111, so that an end of the supporting portion 11 away from the abutting portion 12 can be firmly connected to the first box portion 101.

Illustratively, the second connection 111 is threadably connected to the first housing portion 101.

The second connecting portion 111 is in threaded connection with the first box portion 101, which may be that a threaded hole is provided in the first box portion 101, an opening of the threaded hole faces the second box portion 102, an external thread matched with an internal thread of the threaded hole is provided on an outer circumferential surface of the second connecting portion 111, and the second connecting portion 111 can be connected to the threaded hole in a screwing manner, so that the second connecting portion 111 is convenient to be connected with the first box portion 10.

In some embodiments, the abutment portion 12 protrudes from the outer peripheral surface of the supporting portion 11.

By projecting the abutting portion 12 from the outer peripheral surface of the supporting portion 11, the abutting portion 12 and the first box portion 101 have a larger contact area, which is beneficial to reducing the pressure at the contact surface and reducing the possibility of damage of the first box portion 101 caused by crushing.

Illustratively, the supporting portion 11 and the abutting portion 12 in the connecting member 1 may be both provided in a cylindrical structure, and the central axes of the supporting portion 11 and the abutting portion 12 are coaxially provided, and are connected in the axial direction, wherein the diameter of the abutting portion 12 is larger than that of the supporting portion 11, so that not only can the pressure intensity at the contact surface of the abutting portion 12 with the first tank portion 101 be reduced, but also the arrangement of the connecting hole 121 and the positioning ring groove 122 on the end surface of the abutting portion 12 away from the supporting portion 11 is facilitated.

In some embodiments, as shown in fig. 5, the supporting portion 12 is provided with a polygonal groove 123, and the polygonal groove 123 is disposed on a side surface of the supporting portion 12 facing the second box portion 102, and a central axis of the polygonal groove 123 coincides with a central axis of the second connecting portion 111.

The polygonal groove 123 may be a groove structure with a regular polygon cross section, which is disposed on a side surface facing the second box 102, and the central axis of the polygonal groove 123 and the central axis of the second connecting portion 111 are overlapped, so that an operator can drive the abutting portion 12 to rotate through the polygonal groove 123. Illustratively, the polygonal groove 123 may be a regular hexagonal groove, and the operator may screw the supporting portion 12 with an internal hexagonal wrench engaged with the regular hexagonal groove, so that the second connecting portion 111 may be screwed to the first box portion 101, so that the connection between the connecting member 1 and the first box portion 101 is convenient.

Illustratively, the central axis of the polygonal groove 123, the central axis of the connecting hole 121, the positioning ring groove 122 and the central axis of the second connecting portion 111 are coaxially disposed, facilitating positioning and machining of these structures on the connecting member 1.

In some embodiments, the battery 100 is provided with a blind rivet nut 4 mounted to the first case portion 101, and the support portion 11 is screw-coupled to the blind rivet nut 4.

By providing the rivet nut 4 to the first case 101 and screwing the support 11 to the rivet nut 4, the strength of the connection between the support 11 and the first case 101 can be improved. In some embodiments, threads may be provided on the outer peripheral surface of the support portion 11, and the support portion 11 is directly screwed to the blind rivet nut 4; the second connecting portion 111 provided on the end surface of the support portion 11 remote from the abutting portion 12 may be screwed to the blind rivet nut 4.

Some embodiments of the present application 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.

According to some embodiments of the present application, as shown in fig. 3, there is provided a battery 100, the battery 100 including a case 10, a connector 1, a sealing member 3, and a locking member 2, a case body 1011 in a first case portion 101 of the case 10 is provided with a receiving recess in which a reinforcing beam 1012 is fixed, and a second case portion 102 is covered on the case body 1011 to form a receiving space. The abutting portion 12 in the connector 1 abuts against the second box portion 102, and the second connecting portion 111 on the supporting portion 11 is screwed to the blind rivet nut 4 on the reinforcing beam 1012. The side of the supporting portion 12 facing the second box portion 102 is provided with a connection hole 121 and a positioning ring groove 122 wound around the connection hole 121, at least a part of the sealing member 3 is disposed in the positioning ring groove 122, the first connection portion 21 of the locking member 2 passes through the second box portion 102 and is in threaded connection with the connection hole 121 of the supporting portion 12, and the locking portion 22 of the locking member 2 compresses at least a part of the second box portion 102 against the supporting portion 12, so that at least a part of the second box portion 102 is clamped between the supporting portion 12 and the locking portion 22.

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 (12)

1. A battery, comprising:

the box body comprises a first box body part and a second box body part, and the first box body part and the second box body part are mutually covered and enclosed to form an accommodating space;

the connecting piece comprises a supporting part and a propping part which are connected with each other, the supporting part is connected with the first box body part, and the propping part is positioned at one side of the supporting part facing the second box body part and propped against the second box body part; and

the locking piece comprises a first connecting part and a locking part, wherein the first connecting part penetrates through the second box body part to be connected with the supporting part, and at least part of the second box body part is clamped between the locking part and the supporting part.

2. The battery according to claim 1, further comprising a seal member provided on a side of the abutting portion facing the second case portion, the seal member being wound around an outer periphery of the first connecting portion.

3. The battery according to claim 2, wherein a connecting hole and a positioning ring groove are provided on a side surface of the abutting portion facing the second case portion, the positioning ring groove is provided around an outer periphery of the connecting hole, the first connecting portion is connected to the connecting hole, and at least part of the sealing member is provided in the positioning ring groove.

4. The battery of claim 3, wherein the first connection portion is screw-coupled to the connection hole.

5. The battery according to claim 1, wherein an end of the support portion remote from the abutting portion is connected to the first case portion.

6. The battery according to claim 5, wherein a second connection portion is provided at an end of the support portion remote from the abutting portion, and the support portion is connected to the first case portion through the second connection portion.

7. The battery of claim 6, wherein the second connection portion is threadably connected to the first housing portion.

8. The battery according to claim 7, wherein the holding portion is provided with a polygonal groove, the polygonal groove is provided on a side surface of the holding portion facing the second case portion, and a central axis of the polygonal groove coincides with a central axis of the second connecting portion.

9. The battery according to claim 1, wherein the abutting portion protrudes from an outer peripheral surface of the supporting portion.

10. The battery of claim 1, wherein the battery is provided with a blind rivet nut mounted to the first housing portion, and the support portion is threadedly coupled to the blind rivet nut.

11. The battery according to claim 1, wherein the first case portion includes a case main body provided with a receiving recess on a side thereof facing the second case portion, and a reinforcing beam at least a part of which is received in the receiving recess and fixed to the case main body;

the support portion is connected to the reinforcing beam.

12. An electrical device comprising a battery as claimed in any one of claims 1 to 11 for providing electrical energy.