CN216648493U - Electric equipment, battery and battery box thereof - Google Patents

Abstract

The utility model relates to electric equipment, a battery and a battery box body thereof. The utility model provides a battery box body includes frame, stiffening beam, stay tube and locking mechanism, and the stiffening beam is connected with the frame, and the stiffening beam has well kenozooecium and first mounting hole, and the stay tube is worn to locate by first mounting hole in well kenozooecium, and locking mechanism wears to establish and fixed connection stay tube and stiffening beam. A battery comprises the battery box body. An electric device comprises the battery. According to the electric equipment, the battery and the battery box body thereof, the supporting tube penetrates through the hollow part from the first mounting hole, and can provide supporting force for the reinforcing beam and improve the rigidity of the reinforcing beam; wear to establish and fixed connection stay tube and stiffening beam through locking mechanism, easy dismounting is swift, and the user of being convenient for uses.

Description

Electric equipment, battery and battery box thereof

Technical Field

The utility model relates to the technical field of batteries, in particular to an electric device, a battery and a battery box body thereof.

Background

The battery includes the battery box and holds a plurality of battery monomer in the battery box, for the overall structure intensity of guarantee battery package, realizes the safe driving of car, is located the structural strength of the outer battery box of a plurality of battery monomer and is particularly important, and the fail safe nature of battery is directly influenced again to the reliability of the mechanical strength of battery box.

In order to improve the mechanical strength of the battery box body, the plug block is plugged into the opening end of the reinforcing beam of the battery box body for filling, and the plug block is fixed in the reinforcing beam so as to improve the rigidity of the reinforcing beam. The chock block and the reinforcing beam are in clearance fit, the cross beam is easy to deform and yield during screwing, and the assembly and disassembly are complex; if the chock cannot be filled when the reinforcing beam has no opening end, the mounting position of the chock is limited; therefore, how to facilitate the disassembly and the assembly while improving the rigidity of the reinforcing beam is an urgent problem to be solved.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide an electric device, a battery and a battery box thereof, aiming at the problems of poor rigidity and inconvenient assembly and disassembly of the existing battery box reinforcing beam.

The utility model provides a battery box includes frame, stiffening beam, stay tube and locking mechanism, and the stiffening beam is connected with the frame, and the stiffening beam has well kenozooecium and first mounting hole, and the stay tube is worn to locate in well kenozooecium by first mounting hole, and locking mechanism wears to establish and fixed connection stay tube and stiffening beam. In the battery box body, the supporting tube is arranged in the hollow part in a penetrating manner through the first mounting hole, and the supporting tube can provide supporting force for the reinforcing beam and improve the rigidity of the reinforcing beam; wear to establish and fixed connection stay tube and stiffening beam through locking mechanism, easy dismounting is swift, and the user of being convenient for uses.

In one embodiment, the reinforcing beam includes a first side plate, a second side plate and a third side plate, the first side plate, the second side plate and the third side plate are enclosed to form a hollow portion, the second side plate and the third side plate are arranged oppositely, and the first mounting hole is formed in the middle of the second side plate. Through this setting, can make the stay tube smoothly wear to locate in well kenozooecium by first mounting hole, and be located the middle part of well kenozooecium, be favorable to the stiffening beam atress balanced.

In one embodiment, one end of the supporting tube penetrates through the first mounting hole, and the other end of the supporting tube abuts against one side, facing the second side plate, of the third side plate. Through this setting, the stay tube can be fixed in the well kenozooecium of stiffening beam to wear to establish and fixed connection stay tube and stiffening beam through locking mechanism, guarantee that the stay tube provides sufficient holding power for the stiffening beam.

In one embodiment, the first mounting hole is hexagonal, and the support tube is hexagonal. Through this setting, can prevent effectively that the stay tube from rotating in first mounting hole to be favorable to spacing and fixed of stay tube.

In one embodiment, the first mounting hole is circular, the supporting tube is cylindrical, and the periphery of the supporting tube is provided with limiting teeth. Through this setting, can prevent effectively that the stay tube from rotating in first mounting hole to be favorable to spacing and fixed of stay tube.

In one embodiment, the locking mechanism comprises a fixing member and a locking member, the fixing member penetrates through the supporting tube and the reinforcing beam, and the locking member is locked on the fixing member. Through this setting, utilize the cooperation of retaining member and mounting, can effectively fix stay tube and stiffening beam, stay tube and stiffening beam dismouting are convenient fast.

In one embodiment, the fixing member includes a limiting cap and a rod portion connected to each other, a through groove is formed in the support tube, the third side plate is provided with a second mounting hole, the rod portion penetrates through the through groove and the second mounting hole and is exposed out of the second mounting hole, the locking member is locked on the exposed portion of the rod portion, and the limiting cap is limited outside the through groove. Through this setting, the second mounting hole of logical groove, the third curb plate of stay tube is worn to establish by pole portion, utilizes spacing cap spacing to the pole portion to through the cooperation of retaining member and pole portion, make stay tube and stiffening beam effectively fixed, prevent that stay tube and stiffening beam pine from taking off.

In one embodiment, the diameter of the second mounting hole is smaller than the outer diameter of the support tube, and the diameter of the second mounting hole is equal to the diameter of the rod. Through this setting, the second mounting hole is worn to establish by the pole portion and exposes outside the second mounting hole, the retaining member locking in the part that the pole portion exposes, outside the second mounting hole can't be worn out to the tip of stay tube to make the tip of stay tube support and hold in one side of third curb plate towards the second curb plate.

In one embodiment, the supporting tube includes a deformation section and a supporting section connected to each other, the deformation section penetrates through the first mounting hole, the supporting section abuts against the third side plate, and when the locking member is locked to the supporting section, the deformation section bulges outwards to form a protrusion, and the protrusion is limited on one side of the second side plate facing the third side plate. Through this setting, protruding spacing in the second curb plate towards one side of third curb plate, on the basis of locking mechanism fixed stay tube and stiffening beam, can further carry on spacingly to the stay tube through the arch.

In one embodiment, the thickness of the deformation section is at most 0.5 times the thickness of the support section. Through this setting, the thickness of deformation section is less than the thickness that supports the section, and when retaining member lock in supporting the section, the deformation section can take place to warp, supports the section and does not take place to warp and provide the holding power.

In one embodiment, the rod portion includes a first connecting section and a second connecting section connected to each other, the first connecting section is connected to the limiting cap and penetrates through the through groove, the second connecting section is provided with threads and penetrates through the through groove and the second mounting hole to be exposed, and the second connecting section is respectively in threaded connection with the supporting section and the locking member. Through this setting, the support section of stay tube, retaining member respectively with the second linkage segment threaded connection of mounting pole portion, structural design is simple reasonable, and the dismouting of being convenient for.

In one embodiment, the support tube further comprises a reinforcing plate, the reinforcing plate is clamped between the limiting cap and the second side plate, and the support tube penetrates through the reinforcing plate and the second side plate. Through this setting, the support section of stay tube, retaining member respectively with the second linkage segment threaded connection of mounting pole portion, structural design is simple reasonable, and the dismouting of being convenient for.

A battery includes above-mentioned battery box. The battery has the advantages that the structural strength and the sealing performance of the battery box body are good, and the single batteries contained in the battery box body can be well protected.

An electric device comprises the battery. The electric equipment can effectively improve the safety and reliability of the battery.

Drawings

FIG. 1 is a schematic diagram of an embodiment of an electrical consumer;

FIG. 2 is a partial schematic view of a battery case according to an embodiment;

FIG. 3 is an exploded view of the battery case of FIG. 2;

FIG. 4 is a top view of the battery housing of FIG. 2;

FIG. 5 is a cross-sectional view taken along the line A-A of the battery case of FIG. 4, wherein the securing members and the locking members are in an unlocked state;

FIG. 6 is a cross-sectional view taken along the line A-A of the battery case of FIG. 4, wherein the fixing member and the locking member are in a locked state;

fig. 7 is a sectional view of the fixing member and the locking member of the battery case shown in fig. 4 taken along the a-a plane.

Reference numerals:

10. a vehicle; 11. a controller; 12. a motor; 20. a battery;

100. a reinforcing beam; 101. a hollow part; 102. a first mounting hole; 103. a second mounting hole; 110. a first side plate; 120. a second side plate; 130. a third side plate; 200. supporting a pipe; 201. a through groove; 210. a deformation section; 211. a protrusion; 220. a support section; 300. a locking mechanism; 310. a fixing member; 311. a limiting cap; 312. a rod portion; 312a, a first connection segment; 312b, a second connecting section; 320. a locking member; 400. a reinforcing plate; 401. and a third mounting hole.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are merely used to more clearly illustrate the technical solutions of the present application, and therefore are only examples, and the protection scope of the present application is not limited thereby.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first", "second", and the like are used only for distinguishing different objects, and are not to be construed as indicating or implying relative importance or implicitly indicating the number, specific order, or primary-secondary relationship of the technical features indicated. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is only one kind of association relationship describing an associated object, and means that three relationships may exist, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural pieces" refers to two or more (including two).

In the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the directions or positional relationships indicated in the drawings, and are only for convenience of description of the embodiments of the present application and for simplicity of description, but do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

With the popularization and promotion of new energy automobiles, the charge and discharge performance, the cruising ability and the like of the new energy automobiles increasingly attract attention and attention of people. The power battery is a rechargeable battery, is a power source of the new energy automobile, and is widely applied to the field of the new energy automobile.

The battery comprises a battery box body and a battery monomer accommodated in the battery box body, and in order to guarantee the overall structural strength of the battery and realize the safe driving of an automobile, the structural strength of the battery box body positioned outside the battery monomer is also particularly important, and the reliability of the mechanical strength of the battery box body directly influences the safe reliability of the battery.

In order to improve the mechanical strength of the battery box body, the plug block is plugged into the opening end of the reinforcing beam of the battery box body for filling, and the plug block is fixed in the reinforcing beam so as to improve the rigidity of the reinforcing beam. The chock block and the reinforcing beam are in clearance fit, the cross beam is easy to deform and yield during screwing, and the assembly and disassembly are complex; if the chock cannot be filled when the reinforcing beam has no opening end, the mounting position of the chock is limited; therefore, how to facilitate the disassembly and the assembly while improving the rigidity of the reinforcing beam is an urgent problem to be solved.

Based on the above consideration, through intensive research, the inventor has designed a battery box, and the supporting tube is arranged in the hollow portion through the first mounting hole, and the supporting tube and the reinforcing beam are arranged and fixedly connected through the locking mechanism. Utilize the stay tube to provide the holding power for the stiffening beam in order to improve the rigidity of stiffening beam, easy dismounting is swift, and the user of being convenient for uses.

It should be noted that, in addition to the above-mentioned single battery cell, the battery case may further include other components such as an electrode terminal, a pressure relief mechanism for relieving internal pressure when the internal pressure or temperature of the single battery cell reaches a threshold value, a heat dissipation component, and an insulating member for electrically connecting the internal connection component of the battery case and the battery case, where the insulating member may be plastic, rubber, and the like.

The battery cell disclosed in the present application may be used in, but not limited to, an electric device such as a vehicle, a ship, or an aircraft. The power supply system who possesses this consumer of constitution such as battery monomer, battery that this application disclosed can be used, like this, is favorable to alleviating and automatically regulated battery monomer bulging force worsens, and supplementary electrolyte consumes, promotes the stability and the battery life-span of battery performance.

In the present application, the battery cell may include a lithium ion secondary battery, a lithium ion primary battery, a lithium sulfur battery, a sodium lithium ion battery, a sodium ion battery, a magnesium ion battery, or the like, which is not limited in the embodiments of the present application. The battery cell may be a cylinder, a flat body, a rectangular parallelepiped, or other shapes, which is not limited in the embodiments of the present application. The battery cells are generally divided into three types in an encapsulation manner: the single battery of cylindricality battery, square battery monomer and laminate polymer battery monomer, this application embodiment is also not limited to this.

The battery monomer comprises an electrode assembly and electrolyte, wherein the electrode assembly comprises a positive plate, a negative plate and an isolating membrane. The battery cell mainly depends on metal ions moving between the positive plate and the negative plate to work. The positive plate comprises a positive current collector and a positive active substance layer, wherein the positive active substance layer is coated on the surface of the positive current collector, the current collector which is not coated with the positive active substance layer protrudes out of the current collector which is coated with the positive active substance layer, and the current collector which is not coated with the positive active substance layer is used as a positive electrode lug. Taking a lithium ion battery as an example, the material of the positive electrode current collector may be aluminum, and the positive electrode active material may be lithium cobaltate, lithium iron phosphate, ternary lithium, lithium manganate, or the like. The negative pole piece includes negative current collector and negative pole active substance layer, and the negative pole active substance layer coats in the surface of negative current collector, and the mass flow body protrusion in the mass flow body of coating the negative pole active substance layer of uncoated negative pole active substance layer, the mass flow body of uncoated negative pole active substance layer is as negative pole utmost point ear. The material of the negative electrode current collector may be copper, and the negative electrode active material may be carbon, silicon, or the like. In order to ensure that the fuse is not fused when a large current is passed, the number of the positive electrode tabs is multiple and the positive electrode tabs are stacked together, and the number of the negative electrode tabs is multiple and the negative electrode tabs are stacked together. The material of the isolation film can be polypropylene (PP), Polyethylene (PE) or the like. In addition, the electrode assembly may have a winding structure or a lamination structure, and the embodiment of the present application is not limited thereto.

In this application, a battery refers to a single physical module that includes one or more battery cells to provide higher voltage and capacity. For example, the battery referred to in the present application may include a battery pack or the like.

In order to meet different power requirements, a battery may include a plurality of battery cells, wherein the plurality of battery cells may be connected in series or in parallel or in series-parallel, and the series-parallel refers to a mixture of series connection and parallel connection. Alternatively, a plurality of battery cells may be connected in series or in parallel or in series-parallel to form a battery module, and a plurality of battery modules may be connected in series or in parallel or in series-parallel to form a battery. That is, a plurality of battery cells may directly constitute a battery, or a battery module may be first constituted and then a battery may be constituted. The battery is further arranged in the electric equipment to provide electric energy for the electric equipment.

The present application provides a power-consuming device using a battery as a power source, and the power-consuming device can be, but is not limited to, a vehicle, a mobile phone, a portable device, a notebook computer, a ship, a spacecraft, an electric toy, an electric tool, and the like. The vehicle can be a fuel oil vehicle, a 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 and the like; spacecraft include aircraft, rockets, space shuttles, and spacecraft, among others; electric toys include stationary or mobile electric toys, such as game machines, electric car toys, electric ship toys, electric airplane toys, and the like; the electric power tools include metal cutting electric power tools, grinding electric power tools, assembly electric power tools, and electric power tools for railways, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, electric impact drills, concrete vibrators, and electric planers.

For convenience of description, the following embodiments are described by taking a piece of electric equipment according to an embodiment of the present application as an example of a vehicle 10.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 10 according to some embodiments of the present disclosure. The vehicle 10 may be a fuel automobile, a gas automobile, or a new energy automobile, and the new energy automobile may be a pure electric automobile, a hybrid electric automobile, or a range-extended automobile, etc. The interior of the vehicle 10 is provided with a battery 20, and the battery 20 may be provided at the bottom or at the head or tail of the vehicle 10. The battery 20 may be used for power supply of the vehicle 10, for example, the battery 20 may serve as an operation power source of the vehicle 10. The vehicle 10 may also include a controller 11 and a motor 12, with the controller 11 being used to control the battery 20 to power the motor 12, for example, for start-up, navigation, and operational power requirements while traveling of the vehicle 10.

In some embodiments of the present application, the battery 20 may be used not only as an operating power source for the vehicle 10, but also as a driving power source for the vehicle 10, instead of or in part of fuel or natural gas to provide driving force for the vehicle 10.

Referring to fig. 2, the battery box in one embodiment includes a frame, a reinforcing beam 100, a supporting tube 200, and a locking mechanism 300. Referring to fig. 3, the reinforcing beam 100 is connected to the frame, the reinforcing beam 100 has a hollow portion 101 and a first mounting hole 102, the support tube 200 is inserted into the hollow portion 101 through the first mounting hole 102, and the locking mechanism 300 is inserted into and fixedly connected to the support tube 200 and the reinforcing beam 100.

Through the arrangement, the support tube 200 is arranged in the hollow part 101 in a penetrating manner through the first mounting hole 102, and the support tube 200 can provide a supporting force for the reinforcing beam 100, so that the rigidity of the reinforcing beam 100 is improved; the supporting tube 200 and the reinforcing beam 100 are penetrated and fixedly connected through the locking mechanism 300, so that the assembly and disassembly are convenient and rapid, and the use by a user is convenient.

Here, the battery case may include a plurality of frames, and the reinforcing beam 100 may be provided on each frame, or the reinforcing beam 100 may be provided only on the frame requiring high mechanical strength. The reinforcing beam 100 can be connected to the end of the frame or the middle of the frame, and the connection position of the reinforcing beam 100 and the frame can be designed according to actual requirements.

In the present embodiment, the reinforcing beam 100 and the frame are fixedly connected by screws. In other embodiments, the reinforcing beam 100 and the bezel may be fixedly connected by riveting, or the reinforcing beam 100 and the bezel may be integrally formed.

In the embodiment shown in fig. 2, the reinforcing beam 100 includes a first side plate 110, a second side plate 120, and a third side plate 130, the first side plate 110, the second side plate 120, and the third side plate 130 enclose a hollow portion 101, and the second side plate 120 and the third side plate 130 are disposed opposite to each other.

In this embodiment, as shown in fig. 3, the first mounting hole 102 is opened at the middle of the second side plate 120. With this arrangement, the support tube 200 can be smoothly inserted into the hollow portion 101 through the first mounting hole 102 and positioned in the middle of the hollow portion 101, which is advantageous for the stress balance of the reinforcement beam 100.

In other embodiments, the first mounting hole 102 may also be opened at the left end or the right end of the second side plate 120.

In the present embodiment, the reinforcing beam 100 includes two first side plates 110, one second side plate 120, and one third side plate 130, the two first side plates 110 are disposed opposite to each other, and the two first side plates 110, the one second side plate 120, and the one third side plate 130 enclose the hollow portion 101, and in this case, the reinforcing beam 100 does not have an open end. In another embodiment, only one first side plate 110 may be provided, and the hollow portion 101 may be surrounded by one first side plate 110, one second side plate 120, and one third side plate 130, and in this case, the reinforcing beam 100 may have one open end. That is, the above-described mounting method of the support pipe 200 is applicable to the reinforcing beam 100 having no open end, and also to the reinforcing beam 100 having an open end, and the application range is wide.

In the present embodiment, the second side plate 120 and the third side plate 130 have the same size, one end of the first side plate 110 is perpendicularly connected to the second side plate 120, and the other end of the first side plate 110 is perpendicularly connected to the third side plate 130. In other embodiments, the size of the second side plate 120 can be larger or smaller than the size of the third side plate 130, one end of the first side plate 110 can be connected to the second side plate 120 at an included angle, and the other end of the first side plate 110 can be connected to the third side plate 130 at an included angle.

In a specific embodiment, the first side plate 110, the second side plate 120, and the third side plate 130 are integrally formed, so that the mechanical strength is high, the bearing performance is good, the integrity is good, and the rigidity of the reinforcing beam 100 can be effectively ensured.

In the embodiment shown in fig. 3, one end of the support tube 200 passes through the first mounting hole 102, and the other end of the support tube 200 abuts against one side of the third side plate 130 facing the second side plate 120.

With this arrangement, the support tube 200 can be fixed in the hollow portion 101 of the reinforcement beam 100, and the support tube 200 and the reinforcement beam 100 are inserted and fixedly connected by the locking mechanism 300, thereby ensuring that the support tube 200 provides sufficient support force for the reinforcement beam 100.

The inventor has noticed that if the support tube 200 is not completely fixed, the support tube 200 may rotate in the first mounting hole 102, and may not provide sufficient support force for the reinforcement beam 100, as shown in fig. 2. In view of the above, in one embodiment, the first mounting hole 102 has a hexagonal shape, and the support tube 200 has a hexagonal column shape. Through the arrangement, the supporting tube 200 can be effectively prevented from rotating in the first mounting hole 102, so that the limiting and fixing of the supporting tube 200 are facilitated.

In another embodiment, the first mounting hole 102 is circular, the support tube 200 is cylindrical, and the support tube 200 has a limiting tooth on the outer circumference.

In other embodiments, the first mounting hole 102 may also be rectangular or have other shapes, and the support tube 200 may also be prismatic or have other shapes, as long as it is ensured that the support tube 200 cannot rotate in the first mounting hole 102.

In the embodiment shown in fig. 2, the locking mechanism 300 includes a fixing member 310 and a locking member 320, the fixing member 310 is disposed through the support tube 200 and the reinforcement beam 100, and the locking member 320 is locked to the fixing member 310.

Through the arrangement, the supporting tube 200 and the reinforcing beam 100 can be effectively fixed by the matching of the locking member 320 and the fixing member 310, and the supporting tube 200 and the reinforcing beam 100 can be quickly and conveniently disassembled and assembled.

It should be noted that the locking member 320 and the fixing member 310 can be locked or unlocked. When the support tube 200 and the reinforcing beam 100 are assembled, the locker 320 is locked with the holder 310; when the support tube 200 and the reinforcing beam 100 are disassembled, the locker 320 and the holder 310 are unlocked.

In this embodiment, as shown in fig. 3, the fixing member 310 includes a limiting cap 311 and a rod 312 connected to each other, a through groove 201 is formed in the supporting tube 200, and the third side plate 130 is provided with a second mounting hole 103; the rod 312 passes through the through slot 201 and the second mounting hole 103 and is exposed out of the second mounting hole 103, the locking member 320 is locked on the exposed part of the rod 312, and the limiting cap 311 is limited outside the through slot 201.

Through the arrangement, the rod part 312 penetrates through the through groove 201 of the support tube 200 and the second mounting hole 103 of the third side plate 130, the rod part 312 is limited by the limiting cap 311, and the support tube 200 and the reinforcement beam 100 are effectively fixed through the matching of the locking piece 320 and the rod part 312, so that the support tube 200 and the reinforcement beam 100 are prevented from loosening.

In a specific embodiment, the fixing member 310 is a screw or a bolt, and the locking member 320 is a nut. The diameter of the limiting cap 311 is larger than that of the through groove 201, and the diameter of the through groove 201 is larger than or equal to that of the rod part 312, so that the rod part 312 penetrates through the through groove 201 and the limiting cap 311 is limited outside the through groove 201.

In the present embodiment, the rod 312 has a cylindrical shape, the through groove 201 has a circular shape, and the second mounting hole 103 has a circular hole, so that the through groove 201 and the second mounting hole 103 are fitted to the rod 312. In other embodiments, the through slots 201 may also take other shapes.

In the embodiment shown in fig. 3, the bore diameter of the second mounting hole 103 is smaller than the outer diameter of the support tube 200, and the bore diameter of the second mounting hole 103 is equal to the diameter of the rod portion 312.

Through the arrangement, the rod 312 penetrates through the second mounting hole 103 and is exposed out of the second mounting hole 103, the locking member 320 is locked at the exposed portion of the rod 312, and the end of the support tube 200 cannot penetrate out of the second mounting hole 103, so that the end of the support tube 200 abuts against one side of the third side plate 130 facing the second side plate 120.

In the present embodiment, the second mounting hole 103 is opened in the middle of the third side plate 130, so that the support tube 200 is located in the middle of the hollow portion 101 and the fixing member 310 is inserted in the middle of the hollow portion 101, which is beneficial to the balance of the forces applied to the support tube 200 and the reinforcement beam 100. In other embodiments, the second mounting hole 103 may be opened at the left end or the right end of the third side plate 130.

In the embodiment shown in fig. 5, the supporting tube 200 includes a deformation section 210 and a supporting section 220 connected to each other, the deformation section 210 is disposed through the first mounting hole 102, and the supporting section 220 abuts against a side of the third side plate 130 facing the second side plate 120.

In this embodiment, as shown in fig. 6, when the locking member 320 is locked to the supporting section 220, the deformation section 210 bulges outward to form a protrusion 211, and the protrusion 211 is limited on a side of the second side plate 120 facing the third side plate 130. With this arrangement, the protrusion 211 is limited on the side of the second side plate 120 facing the third side plate 130, and the support tube 200 can be further limited by the protrusion 211 on the basis that the support tube 200 and the reinforcing beam 100 are fixed by the locking mechanism 300.

It can be understood that one end of the supporting tube 200 abuts against the limiting cap 311, the other end of the supporting tube 200 abuts against the third side plate 130, when the locking member 320 is locked to the supporting section 220, the deformation section 210 deforms, the deformation section 210 bulges outwards to form a protrusion 211, and the supporting tube 200 is further limited by the protrusion 211, so that the supporting tube 200 is prevented from being loosened after being locked, and the supporting effect is prevented from being affected.

In this embodiment, the thickness of the deformation section 210 is at most 0.5 times the thickness of the support section 220. Through the arrangement, the thickness of the deformation section 210 is smaller than that of the support section 220, when the locking member 320 is locked on the support section 220, the deformation section 210 can deform, and the support section 220 does not deform and provides a supporting force.

For example, by grooving the inner wall of the deformation section 210 of the support tube 200 and controlling the depth of the groove, the thickness of the deformation section 210 can be made at most 0.5 times the thickness of the support section 220.

In other embodiments, the thickness of the deformation section 210 may also be other times of the thickness of the support section 220, and the thickness of the deformation section 210 may be designed according to actual requirements.

In the present embodiment, the length of the deformation section 210 is 0.1 times the length of the support section 220. In other embodiments, the length of the deformation section 210 can be other times the length of the support section 220.

Further, in the embodiment shown in fig. 7, the rod portion 312 of the fixing member 310 includes a first connecting section 312a and a second connecting section 312b connected. Referring to fig. 3, the first connecting section 312a is connected to the limiting cap 311 and penetrates through the through groove 201, the second connecting section 312b is provided with threads and penetrates through the through groove 201 and the second mounting hole 103 to be exposed, and the second connecting section 312b is respectively connected to the supporting section 220 and the locking member 320 through the threads.

Through the arrangement, the supporting section 220 and the locking member 320 of the supporting tube 200 are respectively in threaded connection with the second connecting section 312b of the rod part 312 of the fixing member 310, the structural design is simple and reasonable, and the disassembly and the assembly are convenient.

It should be noted that, when the locking member 320 is locked to the fixing member 310, the first connecting section 312a is completely located in the through slot 201, and the second connecting section 312b is partially located in the through slot 201 and partially passes through the through slot 201 and the second mounting hole 103 to be exposed.

In the embodiment shown in fig. 4 and 5, the battery box further includes a reinforcing plate 400, the reinforcing plate 400 is sandwiched between the limiting cap 311 and the second side plate 120, and the supporting tube 200 penetrates through the reinforcing plate 400 and the second side plate 120.

Through this setting, can effectively fasten mounting 310 and second curb plate 120, prevent that the spacing cap 311 of mounting 310 from coming loose, and influence the fixed effect of stay tube 200.

In the specific embodiment, as shown in fig. 3, the reinforcing plate 400 further has a third mounting hole 401, and the rod 312 of the fixing member 310 is inserted into the third mounting hole 401, the through groove 201 and the second mounting hole 103 and then exposed out of the second mounting hole 103.

As shown in fig. 2, the battery in one embodiment includes a battery case. In the embodiment, the single batteries are accommodated in the battery box body, the structural strength and the sealing performance of the battery box body are better, and the single batteries accommodated in the battery box body can be better protected.

As shown in fig. 1, the electric device in one embodiment includes a battery 20, and the battery 20 is used for supplying power to the electric device. With this arrangement, the safety and reliability of the battery 20 can be effectively improved.

According to some embodiments of the present application, referring to fig. 2, the present application provides a battery case including a bezel, a reinforcing beam 100, a support pipe 200, a locking mechanism 300, and a reinforcing plate 400. The reinforcing beam 100 is connected to the frame, the reinforcing beam 100 has a hollow portion 101 and a first mounting hole 102, the support tube 200 is inserted into the hollow portion 101 through the first mounting hole 102, and the locking mechanism 300 is inserted into and fixedly connected to the support tube 200 and the reinforcing beam 100. The reinforcing beam 100 includes two first side plates 110, one second side plate 120, and one third side plate 130, the two first side plates 110 are disposed opposite to each other, the two first side plates 110, the one second side plate 120, and the one third side plate 130 enclose a hollow portion 101, and the first mounting hole 102 is opened in the middle of the second side plate 120. The locking mechanism 300 comprises a fixing piece 310 and a locking piece 320, the fixing piece 310 comprises a limiting cap 311 and a rod part 312 which are connected, a through groove 201 is arranged in the supporting tube 200, and the third side plate 130 is provided with a second mounting hole 103; the rod 312 passes through the through slot 201 and the second mounting hole 103 and is exposed out of the second mounting hole 103, the locking member 320 is locked on the exposed portion of the rod 312, the limiting cap 311 is limited outside the through slot 201, and the reinforcing plate 400 is clamped between the limiting cap 311 and the second side plate 120. The supporting tube 200 includes a deformation section 210 and a supporting section 220 connected to each other, the deformation section 210 penetrates through the first mounting hole 102, and the supporting section 220 abuts against one side of the third side plate 130 facing the second side plate 120; the rod portion 312 of the fixing member 310 includes a first connecting section 312a and a second connecting section 312b connected to each other, the first connecting section 312a is connected to the limiting cap 311 and penetrates through the through groove 201, the second connecting section 312b is provided with threads and penetrates through the through groove 201 and the second mounting hole 103 to be exposed, and the second connecting section 312b is respectively connected to the supporting section 220 and the locking member 320 through the threads.

According to some embodiments of the present application, referring to fig. 1, the present application provides a battery 20, where the battery 20 includes a battery case and a battery cell, and the battery cell is accommodated in the battery case.

According to some embodiments of the present application, referring to fig. 1, the present application provides a powered device, and a battery 20 is used to power the powered device.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions 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, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present disclosure, and the present disclosure should be construed as being covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present application is not intended to be limited to the particular embodiments disclosed herein but is to cover all embodiments that may fall within the scope of the appended claims.

Claims (14)

1. A battery case, comprising:

a frame;

a reinforcing beam (100) connected to the frame, the reinforcing beam (100) having a hollow portion (101) and a first mounting hole (102);

a support tube (200) inserted into the hollow portion (101) through the first mounting hole (102);

and the locking mechanism (300) is arranged in a penetrating way and fixedly connected with the supporting tube (200) and the reinforcing beam (100).

2. The battery box according to claim 1, wherein the reinforcing beam (100) includes a first side plate (110), a second side plate (120), and a third side plate (130), the first side plate (110), the second side plate (120), and the third side plate (130) enclose the hollow portion (101), the second side plate (120) and the third side plate (130) are disposed opposite to each other, and the first mounting hole (102) is disposed in a middle portion of the second side plate (120).

3. The battery box body according to claim 2, wherein one end of the supporting tube (200) penetrates through the first mounting hole (102), and the other end of the supporting tube (200) abuts against one side of the third side plate (130) facing the second side plate (120).

4. The battery case according to claim 3, wherein the first mounting hole (102) has a hexagonal shape, and the support pipe (200) has a hexagonal cylindrical shape.

5. The battery box body as claimed in claim 3, wherein the first mounting hole (102) is circular, the support tube (200) is cylindrical, and the support tube (200) is provided with a limit tooth at the periphery.

6. The battery box body as claimed in claim 3, wherein the locking mechanism (300) comprises a fixing member (310) and a locking member (320), the fixing member (310) penetrates through the support tube (200) and the reinforcement beam (100), and the locking member (320) is locked to the fixing member (310).

7. The battery box body according to claim 6, wherein the fixing member (310) includes a limiting cap (311) and a rod portion (312) connected to each other, a through groove (201) is formed in the support tube (200), the third side plate (130) is provided with a second mounting hole (103), the rod portion (312) passes through the through groove (201) and the second mounting hole (103) and is exposed out of the second mounting hole (103), the locking member (320) is locked to the exposed portion of the rod portion (312), and the limiting cap (311) is limited outside the through groove (201).

8. The battery case according to claim 7, wherein the second mounting hole (103) has a hole diameter smaller than the outer diameter of the support pipe (200), and the hole diameter of the second mounting hole (103) is equal to the diameter of the shaft portion (312).

9. The battery box body according to claim 7, wherein the support tube (200) includes a deformation section (210) and a support section (220) connected to each other, the deformation section (210) penetrates through the first mounting hole (102), the support section (220) abuts against the third side plate (130), when the locking member (320) is locked to the support section (220), the deformation section (210) bulges outwards to form a protrusion (211), and the protrusion (211) is limited on one side of the second side plate (120) facing the third side plate (130).

10. The battery case according to claim 9, wherein the deformation section (210) has a thickness of at most 0.5 times the thickness of the support section (220).

11. The battery box body according to claim 9, wherein the rod portion (312) includes a first connecting section (312 a) and a second connecting section (312 b) connected to each other, the first connecting section (312 a) is connected to the limiting cap (311) and penetrates through the through groove (201), the second connecting section (312 b) is provided with threads and penetrates through the through groove (201) and the second mounting hole (103) to be exposed, and the second connecting section (312 b) is respectively connected to the supporting section (220) and the locking member (320) in a threaded manner.

12. The battery box body according to claim 7, further comprising a reinforcing plate (400), wherein the reinforcing plate (400) is sandwiched between the limiting cap (311) and the second side plate (120), and the supporting tube (200) penetrates through the reinforcing plate (400) and the second side plate (120).

13. A battery comprising a battery case according to any one of claims 1 to 12.

14. An electrical device comprising the battery of claim 13.

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