Battery and electric device

Abstract

The utility model discloses a battery and a power utilization device, the battery comprises a box body and a bushing, the box body is provided with a mounting beam, the mounting beam comprises a first beam and a second beam, the first beam is provided with a first mounting hole, the second beam is provided with a second mounting hole, the bushing comprises a flange part, a rod part and a connecting part, and the connecting part is arranged along the axial direction of the rod part. The flange part and the connecting part are connected with the two ends of the rod part respectively, the flange part protrudes out of the rod part in the radial direction of the rod part, the rod part penetrates through the first mounting hole, the connecting part penetrates through the second mounting hole, the flange part is in sealed connection with the first beam and / or the rod part is in sealed connection with the hole wall of the first mounting hole, and the connecting part is in sealed connection with the hole wall of the second mounting hole. According to the battery, the bushing can be hermetically connected with the first beam and the second beam.

Description

Technical Field

[0001] The present application relates to the field of batteries, and in particular to a battery and an electrical device. Background Art

[0002] In the related art, the frame of the battery box is fastened to the vehicle through bushings and bolts. However, due to tolerance problems, there is a gap between the bushing and the frame of the battery box, which cannot be sealed, and it is easy to cause the bolts to be loosely fastened. Utility Model Content

[0003] In view of the above problems, the present application provides a battery and an electrical device, which can ensure the sealing between the bushing and the first beam and the second beam connected thereto.

[0004] In the first aspect, the present application provides a battery, the battery comprising a box body and a bushing, the box body is provided with a mounting beam, the mounting beam comprises a first beam and a second beam, the first beam is provided with a first mounting hole, the second beam is provided with a second mounting hole, the bushing comprises a flange portion, a rod portion and a connecting portion, along the axial direction of the rod portion, the flange portion and the connecting portion are respectively connected to two ends of the rod portion, the flange portion protrudes from the rod portion in the radial direction of the rod portion, the rod portion is penetrated by the first mounting hole, the connecting portion is penetrated by the second mounting hole, the flange portion is sealedly connected to the first beam and / or the rod portion is sealedly connected to the hole wall of the first mounting hole, and the connecting portion is sealedly connected to the hole wall of the second mounting hole.

[0005] In the technical solution of the embodiment of the present application, the flange part and / or the rod part are sealed and connected to the first beam, and the connecting part is sealed and connected to the second beam, thereby eliminating the assembly error between the bushing and the first beam and the second beam respectively, so that the bushing is sealed and connected to the first beam and the second beam.

[0006] In some embodiments, the battery further includes a first seal, the flange portion includes a first surface facing away from the stem portion and a second surface facing the stem portion, and the first seal seals the second surface and the first beam.

[0007] The first sealing member seals and connects the second surface and the first beam, thereby improving the sealing connection effect between the flange portion and the first beam.

[0008] In some embodiments, the second surface and / or the first beam is provided with a first receiving groove surrounding the rod portion, and the first receiving groove receives the first sealing member so that the first sealing member seals and connects the flange portion and the first beam.

[0009] The first sealing member can be filled in the first accommodating groove, which can prevent the first sealing member from shifting and improve the sealing connection effect between the flange portion and the first beam.

[0010] In some embodiments, the rod portion is connected to the hole wall of the first mounting hole by riveting.

[0011] In this way, the connection effect between the rod and the first beam can be improved, and the connection strength between the bushing and the first beam can be enhanced.

[0012] In some embodiments, the rod portion includes a first end and a second end, the first end is connected to the flange portion, the second end is connected to the connecting portion, and a first riveting structure is provided on the side surface of the first end along the circumference of the bushing and / or the hole wall of the first mounting hole so that the rod portion is riveted to the hole wall of the first mounting hole.

[0013] The first riveting structure is formed into a ring along the circumference of the bushing and / or the hole wall of the first mounting hole. The first riveting structure can be riveted with the hole wall of the first mounting hole along the circumference of the bushing, so that the rod part is tightly connected to the hole wall of the first mounting hole, and the rod part is rigidly connected to the first beam to avoid shaking between the first beam and the rod part and affecting the connection effect between the bushing and the first beam.

[0014] In some embodiments, the battery further includes a second seal, which seals the rod portion and a wall of the first mounting hole.

[0015] The second sealing member seals the connecting rod portion and the hole wall of the first mounting hole, thereby improving the sealing connection effect between the rod portion and the first beam.

[0016] In some embodiments, the rod portion and / or the hole wall of the first mounting hole are provided with an annular second accommodating groove, and the second accommodating groove accommodates the second sealing member so that the second sealing member seals and connects the rod portion and the hole wall of the first mounting hole.

[0017] The second sealing member is accommodated in the second accommodating groove, which can prevent the second sealing member from shifting and improve the sealing connection effect between the rod portion and the first beam.

[0018] In some embodiments, the battery further includes a third sealant, which seals the connecting portion and a wall of the second mounting hole.

[0019] The third sealing member seals and connects the connecting portion with the hole wall of the second mounting hole, thereby improving the sealing connection effect between the connecting portion and the second beam.

[0020] In some embodiments, a third accommodating groove is provided on the side of the connecting portion along the circumference of the bushing and / or the wall of the second mounting hole, the connecting portion passes through the second mounting hole, and the third accommodating groove accommodates the third sealing component so that the third sealing component seals and connects the connecting portion with the wall of the second mounting hole.

[0021] The third sealing member can be filled in the third containing groove to avoid displacement of the third sealing member, thereby improving the sealing effect between the connecting portion and the second beam.

[0022] In some embodiments, along the axial direction of the rod portion, an end surface of the connecting portion facing away from the rod portion does not protrude from the second mounting hole.

[0023] The end surface of the connecting portion facing away from the rod portion does not protrude from the second mounting hole, so that the head of the fastener can abut against the second beam instead of the connecting portion, thereby enabling the fastener to firmly lock the second beam and the first beam to the connecting object.

[0024] In some embodiments, the connecting portion is a second riveted structure, and the second riveted structure is configured to be riveted to a hole wall of a second mounting hole of the second beam.

[0025] The second riveting structure can be riveted to the second mounting hole along the circumference of the bushing, and the connecting portion and the second beam are rigidly connected to avoid shaking between the second beam and the connecting portion and affecting the connection effect between the bushing and the second beam.

[0026] In a second aspect, the present application provides an electrical device, which includes a battery according to any of the above embodiments, and the battery is used to provide electrical energy.

[0027] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present application. Moreover, the same reference numerals are used throughout the drawings to represent the same components. In the drawings:

[0029] Figure 1 A schematic diagram of the structure of a vehicle according to some embodiments of the present application;

[0030] Figure 2 A schematic diagram of the exploded structure of a battery according to some embodiments of the present application;

[0031] Figure 3 A schematic diagram of the exploded structure of a battery according to some embodiments of the present application;

[0032] Figure 4 for Figure 3 A magnified schematic diagram of part A;

[0033] Figure 5This is a schematic diagram of the structure of the bushing in some embodiments of the present application;

[0034] Figure 6 for Figure 4 Schematic diagram of the cross section of the battery along line BB;

[0035] Figure 7 for Figure 4 Another cross-sectional schematic diagram of the battery along line BB.

[0036] The reference numerals in the specific implementation manner are as follows:

[0037] Vehicles 1000;

[0038] Battery 100, controller 200, motor 300;

[0039] Box body 10, first part 11, second part 12;

[0040] Battery cell 20;

[0041] Bushing 30, flange portion 31, rod portion 32, connecting portion 33, through hole 34, first surface 310, second surface 311, first receiving groove 312, first sealing member 313, first end 320, second end 321, first riveting structure 322, second receiving groove 323, second sealing member 324, third receiving groove 330, third sealing member 331;

[0042] Mounting beam 40;

[0043] A first beam 400, a first mounting hole 401;

[0044] The second beam 500 and the second mounting hole 501 . DETAILED DESCRIPTION

[0045] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0046] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0047] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0048] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0049] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0050] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0051] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0052] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0053] At present, from the perspective of market development, the application of power batteries is becoming more and more extensive. Power batteries are not only used in energy storage power systems such as hydropower, thermal power, wind power and solar power stations, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, electric cars, as well as military equipment and aerospace and other fields. With the continuous expansion of the application field of power batteries, the market demand is also constantly expanding.

[0054] The inventors of the present application noticed that when installing the battery, due to tolerances, there was a certain gap between the lower end surface of the bushing and the lower plate of the side beam, which made the interface unsealed and easily led to the bolts not being tightly locked.

[0055] Based on the above considerations, in order to solve the problem of a gap between the bushing and the beam, the inventor of the present application has designed a battery after in-depth research, the battery comprising a box body and a bushing, the box body is provided with a mounting beam, the mounting beam comprises a first beam and a second beam, the first beam is provided with a first mounting hole, the second beam is provided with a second mounting hole, the bushing comprises a flange portion, a rod portion and a connecting portion, along the axial direction of the rod portion, the flange portion and the connecting portion are respectively connected to two ends of the rod portion, the flange portion protrudes from the rod portion in the radial direction of the rod portion, the rod portion is penetrated by the first mounting hole, the connecting portion is penetrated by the second mounting hole, the flange portion is sealedly connected to the first beam and / or the rod portion is sealedly connected to the hole wall of the first mounting hole, and the connecting portion is sealedly connected to the hole wall of the second mounting hole.

[0056] In such a battery, the flange portion and / or the rod portion is sealed and connected to the first beam, and the connecting portion is sealed and connected to the second beam, thereby eliminating the assembly error between the bushing and the first beam and the second beam, respectively, so that the bushing is sealed and connected to the first beam and the second beam.

[0057] The bushing disclosed in the embodiments of the present application can be applied to, including but not limited to, batteries, which can be applied to electrical devices as power sources or various energy storage systems using batteries as energy storage elements. Electrical devices can be, but are not limited to, mobile phones, tablets, laptops, electric toys, electric tools, battery cars, electric cars, ships, spacecraft, etc. Among them, electric toys can include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc., and spacecraft can include airplanes, rockets, space shuttles, and spacecraft, etc.

[0058] For the convenience of description, the following embodiments are described by taking a vehicle 1000 as an example of an electrical device according to an embodiment of the present application.

[0059] Please refer to Figure 1 , Figure 1A schematic diagram of the structure of a vehicle 1000 provided for some embodiments of the present application. The vehicle 1000 may be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. A battery 100 is provided inside the vehicle 1000, and the battery 100 may be provided at the bottom, head or tail of the vehicle 1000. The battery 100 may be used to power the vehicle 1000, for example, the battery 100 may be used as an operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300, and the controller 200 is used to control the battery 100 to power the motor 300, for example, for starting, navigating and driving the vehicle 1000.

[0060] In some embodiments of the present application, the battery 100 can not only serve as an operating power source for the vehicle 1000, but also serve as a driving power source for the vehicle 1000, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000.

[0061] Please refer to Figure 2 , Figure 2 An exploded view of a battery 100 provided in some embodiments of the present application. The battery 100 includes a housing 10 and a battery cell 20, wherein the battery cell 20 is contained in the housing 10. The housing 10 is used to provide a storage space for the battery cell 20, and the housing 10 may adopt a variety of structures. In some embodiments, the housing 10 may include a first portion 11 and a second portion 12, wherein the first portion 11 and the second portion 12 cover each other, and the first portion 11 and the second portion 12 jointly define a storage space for accommodating the battery cell 20.

[0062] The second part 12 may be a hollow structure with one end open, and the first part 11 may be a plate-like structure, and the first part 11 covers the open side of the second part 12, so that the first part 11 and the second part 12 jointly define a storage space; the first part 11 and the second part 12 may also be hollow structures with one side open, and the open side of the first part 11 covers the open side of the second part 12. Of course, the box body 10 formed by the first part 11 and the second part 12 may be in various shapes, such as a cylinder, a cuboid, etc.

[0063] In the battery 100, there may be multiple battery cells 20, and the multiple battery cells 20 may be connected in series, in parallel, or in a mixed connection. A mixed connection means that the multiple battery cells 20 are both connected in series and in parallel. The multiple battery cells 20 may be directly connected in series, in parallel, or in a mixed connection, and then the whole formed by the multiple battery cells 20 is accommodated in the box 10; of course, the battery 100 may also be a battery module formed by connecting multiple battery cells 20 in series, in parallel, or in a mixed connection, and then the multiple battery modules are connected in series, in parallel, or in a mixed connection to form a whole, and accommodated in the box 10. The battery 100 may also include other structures, for example, the battery 100 may also include a busbar component for realizing electrical connection between the multiple battery cells 20.

[0064] Each battery cell 20 may be a secondary battery or a primary battery, or a lithium-sulfur battery, a sodium-ion battery, or a magnesium-ion battery, but is not limited thereto. The battery cell 20 may be cylindrical, flat, rectangular, or in other shapes.

[0065] According to some embodiments of this application, please refer to Figures 4 to 7 The embodiment of the present application provides a battery 100, the battery package 100 includes a box body 10 and a bushing 30, the box body 10 is provided with a mounting beam 40, the mounting beam 40 includes a first beam 400 and a second beam 500, the first beam 400 is provided with a first mounting hole 401, the second beam 500 is provided with a second mounting hole 501, the bushing 30 includes a flange portion 31, a rod portion 32 and a connecting portion 33, along the axial direction of the rod portion 32, the flange portion 31 and the connecting portion 33 are respectively connected to the two ends of the rod portion 32, the flange portion 31 protrudes from the rod portion 32 in the radial direction of the rod portion 32, the rod portion 32 is penetrated with a first mounting hole 401, the connecting portion 33 is penetrated with a second mounting hole 504, the flange portion 31 is sealedly connected to the first beam 400 and / or the rod portion 32 is sealedly connected to the hole wall of the first mounting hole 401, and the connecting portion 33 is sealedly connected to the hole wall of the second mounting hole 504.

[0066] Optionally, the first beam 400 and the second beam 500 may both be plate-shaped, the first beam 400 is provided with a first mounting hole 401, the second beam 500 is provided with a second mounting hole 501, and the first mounting hole 401 is aligned with the second mounting hole 501. When installing the bushing 30, the bushing 30 may be inserted into the first beam 400 from the first mounting hole 401 toward the second beam 500, and then inserted into the second beam 500 from the second mounting hole 501. The flange portion 31 and / or the rod portion 32 may be sealedly connected to the first beam 400, and the connecting portion 33 may be sealedly connected to the second beam 500.

[0067] A through hole 34 is provided in the bushing 30, and a fastener (such as a bolt) can be inserted into the through hole 34 from the second beam 500 to the first beam 400. The fastener can pass through the bushing 30 from the upper surface of the flange portion 31 and connect to the connection object, thereby installing the first beam 400 and the second beam 500 to the connection object.

[0068] In one embodiment, the connection object may be a chassis of the vehicle 1000, and the first beam 400 and the second beam 500 may be two side beams of the second portion 12 or the first portion 11 of the box body 10. By sealingly connecting the two side beams with the bushing 30, the problem of a gap between the bushing 30 and the two side beams and failure to seal due to tolerance problems can be avoided, so that the fastener can firmly fix the box body 10 to the vehicle 1000.

[0069] The present application does not specifically limit the material of the bushing 30. Optionally, the bushing 30 can be made of a metal material, such as aluminum, stainless steel, etc.

[0070] The present application does not specifically limit the shape of the bushing 30. Optionally, the flange 31, the rod 32 and the connecting portion 33 may all be substantially cylindrical, the diameter of the flange 31 is larger than the diameter of the rod 32, and the diameter of the rod 32 is larger than the diameter of the connecting portion 33.

[0071] Optionally, the shape of the first mounting hole 401 matches the shape of the rod 32, and the shape of the second mounting hole 501 matches the shape of the connecting portion 33, for example, the first mounting hole 401 is a cylindrical hole, the rod 32 is cylindrical, the second mounting hole 501 is a cylindrical hole, and the connecting portion 33 is cylindrical.

[0072] In one embodiment of the present application, the flange portion 31 may be sealed and connected to the first beam 400 , the rod portion 32 may be sealed and connected to the first beam 400 , and the connection portion 33 may be sealed and connected to the second beam 500 .

[0073] In one embodiment of the present application, the flange portion 31 may be sealed and connected to the first beam 400 , and the connection portion 33 may be sealed and connected to the second beam 500 .

[0074] exist Figure 3 In the embodiment, the box body 10 includes a first part 11 and a second part 12. The first part 11 can be used as an upper box body, and the second part 12 can be used as a lower box body. The first beam 400 and the second beam 500 can be arranged on the same side and / or different sides of the lower box body, or on the same side and / or different sides of the upper box body. Figure 3 The first beam 400 and the second beam 500 may be disposed on the left side of the lower box body, or on the right side of the lower box body, or the first beam 400 and the second beam 500 may be disposed on the left side of the lower box body, or on the right side of the lower box body, etc., and this application does not make any specific limitation on this.

[0075] Please combine Figure 6 and Figure 7 , the first beam 400 may be located above the second beam 500. When installing the bushing 30, the bushing 30 may be installed downwardly into the first mounting hole 401 and the second mounting hole 501 from top to bottom, with the connecting portion 33 facing the first beam 400, so that the rod portion 32 passes through the first mounting hole 401 and the connecting portion 33 is located in the second mounting hole 501.

[0076] In one embodiment of the present application, the rod portion 32 may be sealed and connected to the first beam 400 , and the connection portion 33 may be sealed and connected to the second beam 500 .

[0077] According to some embodiments of the present application, optionally, the battery 100 includes a first seal 313 , the flange portion 31 includes a first surface 310 facing away from the rod portion 32 and a second surface 311 facing the rod portion 32 , and the first seal 313 seals the second surface 311 and the first beam 400 .

[0078] Specifically, in Figure 5 In the embodiment, the first surface 310 is the upper surface of the flange portion 31 , and the second surface 311 is the lower surface of the flange portion 31 .

[0079] The first seal 313 may be in a ring shape surrounding the rod portion 32 , and may seal and connect the flange portion 31 and the first beam 400 along the circumferential direction of the bushing 30 , thereby improving the sealing connection effect between the flange portion 31 and the first beam 400 .

[0080] Optionally, the first seal 313 may extend to the edge of the second surface 311 close to the rod 32, so that the first seal 313 can simultaneously seal the flange 31, the rod 32 and the first beam 400. Optionally, the first seal 313 may be a sealant or a sealing ring.

[0081] According to some embodiments of the present application, optionally, the second surface 311 and / or the first beam 400 is provided with a first receiving groove 312 surrounding the rod portion 32 , and the first receiving groove 312 receives the first seal 313 so that the first seal 313 seals and connects the flange portion 31 and the first beam 400 .

[0082] Specifically, in Figure 5 In the embodiment, the first surface 310 is the upper surface of the flange portion 31, the second surface 311 is the lower surface of the flange portion 31, and the second surface 311 is provided with a first receiving groove 312 surrounding the rod portion 32. It can be understood that in one embodiment, the first beam 400 is provided with a first receiving groove 312 surrounding the rod portion 32, for example, the first receiving groove 312 is provided on the upper surface of the first beam 400. In one embodiment, the second surface 311 and the first beam 400 are provided with a first receiving groove 312 surrounding the rod portion 32. This application does not specifically limit this.

[0083] The first seal 313 can be filled in the first receiving groove 312 to prevent displacement of the first seal 313. The first seal 313 and the first receiving groove 312 are in an annular shape surrounding the rod 32, and can seal and connect the flange 31 and the first beam 400 along the circumferential direction of the bushing 30, thereby improving the sealing connection effect of the flange 31 and the first beam 400.

[0084] Optionally, the first accommodating groove 312 may extend to an edge of the second surface 311 close to the rod portion 32 , so that the first sealing member 313 may seal the flange portion 31 , the rod portion 32 and the first beam 400 at the same time.

[0085] Optionally, a plurality of first accommodating grooves 312 spaced apart from each other may be provided on the flange portion 31 along the radial direction of the rod portion 32 to enhance the sealing connection effect between the flange portion 31 and the first beam 400 .

[0086] The present application does not specifically limit the shape of the first receiving groove 312. Optionally, the cross section of the first receiving groove 312 is square.

[0087] According to some embodiments of the present application, optionally, the rod portion 32 is connected to the hole wall of the first mounting hole 401 by riveting.

[0088] Optionally, the entire portion of the rod 32 located in the first mounting hole 401 can be riveted to the entire hole wall of the first mounting hole 401 along the thickness direction of the first beam 400. Optionally, a portion of the entire portion of the rod 32 located in the first mounting hole 401 can be riveted to a portion of the hole wall of the first mounting hole 401 along the thickness direction of the first beam 400. This application does not make specific restrictions on this.

[0089] Thus, the connection effect between the rod portion 32 and the first beam 400 can be improved, and the connection strength between the bushing 30 and the first beam 400 can be enhanced.

[0090] According to some embodiments of the present application, optionally, the rod portion 32 includes a first end 320 and a second end 321, the first end 320 is connected to the flange portion 31, the second end 321 is connected to the connecting portion 33, and the side surface of the first end 320 is provided with a first riveting structure 322 along the circumference of the bushing 30 and / or the hole wall of the first mounting hole 401, so that the rod portion 32 is riveted to the hole wall of the first mounting hole 401.

[0091] exist Figure 5In the embodiment, the first end 320 of the rod 32 is the top of the rod 32, the second end 321 of the rod 32 is the bottom of the rod 32, the flange 31 is connected to the top of the rod 32, and the connecting portion 33 is connected to the bottom of the rod 32. The side of the first end 320 is provided with a first riveted structure 322 along the circumference of the bushing 30. In one embodiment, the hole wall of the first mounting hole 401 is provided with a first riveted structure 322. In one embodiment, the side of the first end 320 is provided with a first riveted structure 322 along the circumference of the bushing 30 and the hole wall of the first mounting hole 401.

[0092] Optionally, the first riveted structure 322 is formed into a ring shape along the circumference of the bushing 30. The first riveted structure 322 can be riveted to the hole wall of the first mounting hole 401 along the circumference of the bushing 30 for 360 degrees, so that the rod portion 32 is tightly connected to the hole wall of the first mounting hole 401, and the rod portion 32 is rigidly connected to the first beam 400, thereby avoiding shaking between the first beam 400 and the rod portion 32 and affecting the connection effect between the bushing 30 and the first beam 400.

[0093] The present application does not specifically limit the type of the first riveted structure 322. Optionally, the first riveted structure 322 is a press-riveted structure.

[0094] According to some embodiments of the present application, optionally, the battery 100 includes a second seal 324 , and the second seal 324 seals the rod portion 32 and the hole wall of the first mounting hole 401 .

[0095] Optionally, the second seal 324 is in a ring shape surrounding the rod portion 32 , and can seal and connect the first beam 400 and the rod portion 32 along the circumference of the bushing 30 , thereby ensuring a sealing effect between the rod portion 32 and the first beam 400 .

[0096] The present application does not specifically limit the shape of the second sealing member 324. Optionally, the cross section of the second sealing member 324 is V-shaped. Optionally, the second sealing member 324 can be a sealant or a sealing ring.

[0097] Optionally, the second sealing member 324 may seal the entire portion of the connecting rod portion 32 located in the first mounting hole 401 and the entire hole wall of the first mounting hole 401 along the thickness direction of the first beam 400. Optionally, the second sealing member 324 may seal a portion of the entire portion of the connecting rod portion 32 located in the first mounting hole 401 and a portion of the hole wall of the first mounting hole 401 along the thickness direction of the first beam 400. This application does not make specific limitations on this.

[0098] The second sealing member 324 seals the connecting rod portion 32 and the hole wall of the first mounting hole 401 , thereby improving the sealing connection effect between the rod portion 32 and the first beam 400 .

[0099] According to some embodiments of the present application, optionally, a second annular accommodating groove 323 is provided in the hole wall of the rod portion 32 and / or the first mounting hole 401, and the second accommodating groove 323 accommodates a second sealing member 324 so that the second sealing member 324 seals and connects the rod portion 32 and the hole wall of the first mounting hole 401.

[0100] The second accommodating groove 323 can be formed into an annular shape along the circumference of the bushing 30 for 360 degrees, and the second sealing member 324 is accommodated in the second accommodating groove 323 to prevent the second sealing member 324 from shifting. The second sealing member 324 can seal the hole wall connecting the rod portion 32 and the first mounting hole 401, thereby improving the sealing connection effect between the rod portion 32 and the first beam 400.

[0101] Optionally, a plurality of second accommodating grooves 323 may be provided on the first riveted structure 322 along the axial direction of the rod portion 32 to enhance the sealing connection effect between the rod portion 32 and the first beam 400 .

[0102] The second seal 324 can be filled in the second receiving groove 323. The second seal 324 and the second receiving groove 323 are annular around the rod 32, and can seal and connect the first beam 400 and the rod 32 along the circumference of the bushing 30, thereby improving the sealing effect between the rod 32 and the first beam 400.

[0103] The present application does not specifically limit the shape of the second accommodation groove 323. Optionally, the cross section of the second accommodation groove 323 is V-shaped.

[0104] According to some embodiments of the present application, optionally, the battery 100 further includes a third seal 331 , and the third seal 331 seals the connection portion 23 and the hole wall of the second mounting hole 501 .

[0105] Specifically, the third seal 331 may be annular along the circumference of the bushing 30 , and may seal and connect the second beam 500 and the connecting portion 33 along the circumference of the bushing 30 , thereby improving the sealing effect between the connecting portion 33 and the second beam 500 .

[0106] The present application does not specifically limit the shape of the third sealing member 331. Optionally, the cross section of the third sealing member 331 is semicircular. Optionally, the third sealing member 331 may be a sealant or a sealing ring.

[0107] Optionally, the third sealing member 331 may seal the entire portion of the connecting portion 33 located in the second mounting hole 501 and the entire hole wall of the second mounting hole 501 along the thickness direction of the second beam 500. Optionally, the third sealing member 331 may seal a portion of the entire portion of the connecting portion 33 located in the second mounting hole 501 and a portion of the hole wall of the second mounting hole 501 along the thickness direction of the second beam 500. This application does not specifically limit this.

[0108] The third sealing member 331 can seal the connection portion 33 and the hole wall of the second mounting hole 501 , thereby improving the sealing connection effect between the connection portion 33 and the second beam 500 .

[0109] According to some embodiments of the present application, optionally, a third accommodating groove 330 is provided on the side of the connecting portion 33 along the circumference of the bushing 30 and / or the hole wall of the second mounting hole 504, the connecting portion 33 passes through the second mounting hole 501, and the third accommodating groove 330 accommodates a third sealing member 331 so that the third sealing member 331 seals and connects the connecting portion 33 with the hole wall of the second mounting hole 501.

[0110] exist Figure 5 In one embodiment, the side of the connecting portion 33 is provided with a third accommodating groove 330 along the circumference of the bushing 30. In one embodiment, the hole wall of the second mounting hole 504 is provided with a third accommodating groove 330. In one embodiment, the side of the connecting portion 33 is provided with a third accommodating groove 330 along the circumference of the bushing 30 and the hole wall of the second mounting hole 504. This application does not make any specific limitation on this.

[0111] When the connecting portion 33 is connected to the second beam 500 , the connecting portion 33 can penetrate into the second mounting hole 501 . The second accommodating groove 323 is provided on the side of a portion of the connecting portion 33 located in the second mounting hole 501 . The connecting portion 33 can be tightly connected to the hole wall of the second mounting hole 501 .

[0112] Optionally, the third accommodating groove 330 can be formed into an annular shape along the circumference of the bushing 30 for 360 degrees, and the third sealing member 331 is accommodated in the third accommodating groove 330 to prevent the third sealing member 331 from shifting. The third sealing member 331 can seal the connection portion 33 and the hole wall of the second mounting hole 501, thereby improving the sealing connection effect between the connection portion 33 and the second beam 500.

[0113] Optionally, a plurality of third accommodating grooves 330 may be provided at intervals on the connecting portion 33 along the axial direction of the rod portion 32 to enhance the sealing connection effect between the connecting portion 33 and the second beam 500 .

[0114] The third seal 331 can be filled in the third accommodating groove 330 to avoid displacement of the third seal 331. The third seal 331 and the third accommodating groove 330 are annular along the circumference of the bushing 30, and can seal and connect the second beam 500 and the connecting part 33 along the circumference of the bushing 30, thereby improving the sealing effect between the connecting part 33 and the second beam 500.

[0115] The present application does not specifically limit the shape of the third receiving groove 330. Optionally, the cross section of the third receiving groove 330 is semicircular.

[0116] According to some embodiments of the present application, optionally, along the axial direction of the rod portion 32 , an end surface of the connecting portion 33 facing away from the rod portion 32 does not protrude from the second mounting hole 501 .

[0117] exist Figure 6 and Figure 7 The end surface of the connecting portion 33 facing away from the rod portion 32 is the bottom end surface of the connecting portion 33, and the bottom end surface of the connecting portion 33 does not protrude from the second mounting hole 501, that is, the bottom end surface of the connecting portion 33 is flush with the bottom opening of the second mounting hole 501, or the bottom end surface of the connecting portion 33 is located in the second mounting hole 501.

[0118] In one embodiment, the fastener (such as a bolt) includes a connecting rod and a head, the head is connected to one end of the connecting rod, and the head protrudes from the connecting rod in the radial direction of the connecting rod. When the fastener locks the second beam 500 and the first beam 400 to the connection object, from bottom to top, the connecting rod passes through the through hole 34 of the bushing 30 from the bottom end of the bushing 30, and passes through the top end of the bushing 30 to connect with the connection object. The end surface of the connecting portion 33 facing away from the rod portion 32 does not protrude from the second mounting hole 501, so that the head of the fastener can be against the second beam 500 instead of against the connecting portion 33, so that the fastener can firmly lock the second beam 500 and the first beam 400 to the connection object.

[0119] According to some embodiments of the present application, optionally, the connection portion 33 is a second riveted structure, and the second riveted structure is configured to be riveted to the hole wall of the second mounting hole 501 of the second beam 500 .

[0120] exist Figure 6 and Figure 7 In the embodiment, the connection part 33 is connected to the bottom end of the rod part 32, and the connection part 33 is located in the second mounting hole 501. The second riveting structure can be riveted to the second mounting hole 501 along the circumference of the bushing 30, and the connection part 33 is rigidly connected to the second beam 500 to avoid shaking between the second beam 500 and the connection part 33 and affecting the connection effect between the bushing 30 and the second beam 500.

[0121] The present application does not specifically limit the type of the second riveting structure. Optionally, the second riveting structure is a press riveting structure. It is understood that in other embodiments, the connecting portion 33 may also be interference-fitted with the second mounting hole 501.

[0122] In some embodiments of the present application, the third receiving groove 330 is optionally provided on the side of the second riveted structure along the circumference of the bushing 30. The second riveted structure and the third sealing member 331 in the third receiving groove 330 can achieve a rigid and sealed connection between the connecting portion 33 and the second beam 500.

[0123] In one embodiment, the flange portion 31 can be sealed and connected to the first beam through a first seal 313, the rod portion 32 can be sealed and connected to the hole wall of the first mounting hole 401 through a second seal 324, and the connecting portion 33 can be sealed and connected to the hole wall of the second mounting hole 501 through a third seal 331. The rod portion 32 can be rigidly connected to the first beam through a first riveting structure 322, and the connecting portion 33 can be rigidly connected to the second beam through a second riveting structure.

[0124] According to some embodiments of the present application, the present application further provides an electrical device, comprising a battery 100 according to any of the above schemes, and the battery 100 is used to provide electrical energy to the electrical device.

[0125] The power-consuming device may be any of the aforementioned devices or systems using batteries.

[0126] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A battery, characterized in that: It includes a box body and a bushing, the box body is provided with a mounting beam, the mounting beam includes a first beam and a second beam, the first beam is provided with a first mounting hole, the second beam is provided with a second mounting hole, the bushing includes a flange portion, a rod portion and a connecting portion, along the axial direction of the rod portion, the flange portion and the connecting portion are respectively connected to two ends of the rod portion, the flange portion protrudes from the rod portion in the radial direction of the rod portion, the rod portion is penetrated by the first mounting hole, the connecting portion is penetrated by the second mounting hole, the flange portion is sealedly connected to the first beam and / or the rod portion is sealedly connected to the hole wall of the first mounting hole, and the connecting portion is sealedly connected to the hole wall of the second mounting hole.

2. The battery according to claim 1, characterized in that The battery further includes a first seal, the flange portion includes a first surface facing away from the stem portion and a second surface facing the stem portion, and the first seal seals the second surface and the first beam.

3. The battery according to claim 2, characterized in that The second surface and / or the first beam is provided with a first accommodating groove surrounding the rod portion, and the first accommodating groove accommodates the first sealing member so that the first sealing member seals and connects the flange portion and the first beam.

4. The battery according to any one of claims 1 to 3, characterized in that: The rod portion is riveted to the hole wall of the first mounting hole.

5. The battery according to claim 4, characterized in that The rod portion includes a first end and a second end, the first end is connected to the flange portion, the second end is connected to the connecting portion, and a first riveting structure is provided on the side surface of the first end along the circumference of the bushing and / or the hole wall of the first mounting hole so that the rod portion is riveted to the hole wall of the first mounting hole.

6. The battery according to any one of claims 1 to 3, characterized in that: The battery further includes a second sealing member, which seals the rod portion and a hole wall of the first mounting hole.

7. The battery according to claim 6, characterized in that The rod portion and / or the hole wall of the first mounting hole are provided with an annular second accommodating groove, and the second accommodating groove accommodates the second sealing member so that the second sealing member seals and connects the rod portion and the hole wall of the first mounting hole.

8. The battery according to any one of claims 1 to 3, characterized in that: The battery further includes a third sealant, which seals the connection portion and a hole wall of the second mounting hole.

9. The battery according to claim 8, characterized in that A third accommodating groove is provided on the side surface of the connecting portion along the circumference of the bushing and / or the hole wall of the second mounting hole, the connecting portion passes through the second mounting hole, and the third accommodating groove accommodates the third sealing component so that the third sealing component seals and connects the connecting portion with the hole wall of the second mounting hole.

10. The battery according to any one of claims 1 to 3, characterized in that: Along the axial direction of the rod portion, an end surface of the connecting portion facing away from the rod portion does not protrude from the second mounting hole.

11. The battery according to claim 1, characterized in that The connecting portion is a second riveted structure, and the second riveted structure is riveted to the hole wall of the second mounting hole.

12. An electrical device, characterized in that: The battery comprising any one of claims 1 to 11 is used for providing electrical energy.

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