CN112407627B - Lithium battery protection device based on clamping limiting structure - Google Patents

Lithium battery protection device based on clamping limiting structure Download PDF

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Publication number
CN112407627B
CN112407627B CN202011237302.2A CN202011237302A CN112407627B CN 112407627 B CN112407627 B CN 112407627B CN 202011237302 A CN202011237302 A CN 202011237302A CN 112407627 B CN112407627 B CN 112407627B
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plate
moving
clamping
lithium battery
wall
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CN112407627A (en
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李懿仕
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Hunan Baote Ruineng New Energy Co ltd
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Hunan Baote Ruineng New Energy Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0201—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together side-by-side
    • B65D21/0204—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together side-by-side and joined together by interconnecting formations forming part of the container, e.g. dove-tail, snap connections, hook elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02—Internal fittings
    • B65D25/10—Devices to locate articles in containers
    • B65D25/101—Springs, elastic lips, or other resilient elements to locate the articles by pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/051—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric
    • B65D81/052—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric filled with fluid, e.g. inflatable elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/266—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
    • B65D2585/86—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form for electrical components
    • B65D2585/88—Batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The invention relates to the technical field of lithium batteries, in particular to a lithium battery protection device based on a clamping limiting structure. It includes the spacing protection mechanism in lithium cell body and the lithium cell body outside, and spacing protection mechanism includes at least: the protective housing, the multiunit shifting chute has been seted up to protective housing inner chamber bottom equidistant, two shifting chute insides all rotate and are provided with the removal lead screw, the both sides wall that the protective housing is close to the tip all is provided with the backup pad, fixing device includes the movable plate, the movable plate is close to the surface of bottom and has seted up the silk hole, the silk hole is connected with the outer wall screw-thread fit of removal lead screw, movable plate internal surface tip is provided with fixed arc board, joint stop device includes the support arc board, the support arc board outer wall is provided with two symmetrical boards of placing, it is located the backup pad top to place the board, support arc board both ends all are provided with spacing cardboard, the invention can spacing joint fixed lithium cell in the protective housing, and can make up a plurality of protective housings, the practicality is stronger.

Description

Lithium battery protection device based on clamping limiting structure
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a lithium battery protection device based on a clamping limiting structure.
Background
A lithium battery is a battery using a nonaqueous electrolyte solution and lithium metal or a lithium alloy as a negative electrode material, and therefore such a battery is also called a lithium metal battery. Unlike other batteries, lithium batteries have the characteristics of high charge density, long service life, high unit cost and the like; the interior of the lithium battery is very fragile and is very easy to damage when being collided and extruded, so that a protection device is needed to protect the lithium battery body;
but present lithium cell protection device can not effectual fixed lithium cell body, leads to the lithium cell to rock the damage in the protective housing the inside, and present protection device is inconvenient a plurality of combinations together, is not convenient for protect respectively lithium cell group, and the practicality is short of, in view of this, we propose based on joint limit structure's lithium cell protection device.
Disclosure of Invention
The invention aims to provide a lithium battery protection device based on a clamping limiting structure so as to solve the problems in the background technology.
In order to achieve the above object, the present invention provides a lithium battery protection device based on a clamping limit structure, which includes a lithium battery body and a limit protection mechanism outside the lithium battery body, wherein the limit protection mechanism at least includes:
the top of the protective shell is hinged with a sealing cover, a plurality of groups of moving grooves are formed in the bottom of an inner cavity of the protective shell at equal intervals, two moving grooves are symmetrically arranged in one group, moving screw rods are rotatably arranged in the two moving grooves, supporting plates are arranged on two side walls of the protective shell close to the end part, and through holes are formed in two ends of the protective shell;
when the protective housing in this embodiment is specifically used, open sealed lid, make protective housing open-top portion expose, put lithium cell body inside the protective housing, then close sealed lid, protect lithium cell body outer wall comprehensively.
The fixing device is the same as the moving grooves in number and comprises a moving plate, the cross section of the moving plate is matched with that of the moving grooves, the surface, close to the bottom, of the moving plate is provided with a screw hole, the screw hole is in threaded fit connection with the outer wall of the moving screw rod, the end part of the inner surface of the moving plate is provided with a fixed arc plate, and the fixed arc plate is in an arc shape;
when the fixing device in this embodiment is used specifically, a plurality of movable screw rods rotate simultaneously inside the moving groove, so that the screw holes on the surfaces of the two symmetrical movable plates slide along the movable screw rods, the movable plates slide inside the moving groove, the fixed arc plates move along with the movable plates, the lithium battery body is placed inside the two symmetrical fixed arc plates, then the fixed arc plates gather inwards along with the movable plates, the inner surfaces of the two symmetrical fixed arc plates cling to the outer wall of the lithium battery body, and the lithium battery body is clamped inside the protective shell in a limiting manner.
The clamping limiting device is provided with two symmetrical clamping limiting devices, the two clamping limiting devices are respectively located at two ends of an inner cavity of the protective shell, the clamping limiting device comprises a supporting arc plate, the outer wall, close to the end portion, of the supporting arc plate is provided with two symmetrical placing plates, the placing plates are located at the top of the supporting plate, the inner diameter of the supporting arc plate is matched with the outer diameter of the lithium battery body, the two ends of the supporting arc plate are provided with limiting clamping plates, and the limiting clamping plates are made of plastics.
When the clamping limiting device in this embodiment is specifically used, take out two clamping limiting devices from the protective housing inside, then the outer wall that is close to the tip to lithium cell body extrudes into the support arc inboard from the gap of two spacing cardboard tips inside, spacing cardboard deformation, with the spacing joint of lithium cell body inside the support arc inboard, then put clamping limiting device inside the protective housing, make the backup pad support place the board, make to have the gap between lithium cell body and the protective housing inner wall, carry out unsettled protection to lithium cell body.
As a further improvement of the technical scheme, the end parts of the moving grooves are provided with power grooves, the end parts of the moving screw rods are all rotated to stretch into the power grooves, the inner parts of the power grooves are connected with first bevel gears, the outer walls of the first bevel gears are connected with second bevel gears in a meshed mode, the bottoms of the second bevel gears are provided with connecting rods, and the connecting rods are rotatably arranged inside the power grooves.
As a further improvement of the technical scheme, the bottom of the protective shell is provided with an adjusting shell, the end part of the connecting rod is rotated and extended into the adjusting shell, the inner part of the adjusting shell is connected with a gear disc, the outer wall of the gear disc is meshed and connected with the gear disc, the gear disc is rotated and arranged inside the adjusting shell, and one end part of the gear disc is connected with a rotary disc.
As a further improvement of the technical scheme, a right combination block and a left combination block are respectively arranged on two side walls of the protective shell, a slot is formed in the end of the left combination block, a plurality of clamping holes are formed in the surfaces of two sides of the left combination block, the clamping holes are communicated with the inside of the slot, and the size of the right combination block is matched with the inside of the slot.
As a further improvement of the technical scheme, a plurality of sliding grooves are formed in the upper surface and the lower surface of the right combination block, clamping columns are arranged in the sliding grooves in a sliding mode, limiting springs are connected between the bottoms of the clamping columns and the inner walls of the sliding grooves, and the outer diameter sizes of the clamping columns are matched with the inner diameter sizes of the clamping holes.
As a further improvement of the technical scheme, the top of the supporting plate is rotatably provided with a rotating rod, the top of the rotating rod is provided with a limiting plate, the limiting plate is in a shape of a chamfer cuboid, the surface of the placing plate is provided with a limiting groove, and the limiting groove is matched with the inside of the limiting plate.
As a further improvement of the technical scheme, a supporting spring is arranged at the bottom of the placing plate, the bottom of the supporting spring is located at the bottom of an inner cavity of the protective shell, a convex plate is arranged at the end of the moving plate, a buffer spring is arranged on the outer surface of the convex plate, a connecting plate is connected to the end of the buffer spring, and the connecting plate is fixed on the outer wall of the fixed arc plate.
As a further improvement of the technical scheme, an air cushion is fixedly arranged on the inner wall of the supporting arc plate, the air cushion is in a semicircular shape, the air cushion is made of elastic rubber, the outer wall of the air cushion is communicated with an inflation tube, and the end part of the inflation tube is sleeved with a sleeve cover.
As a further improvement of the technical scheme, a placing groove is formed in the bottom of an inner cavity of the protective shell and is located between the two moving grooves, a drying device is embedded in the placing groove and comprises a drying box, a drying agent is arranged in the inner cavity of the drying box and can react with water molecules to produce hydrates, so that the outside of the lithium battery body is kept dry in the internal environment of the protective shell, a shielding cover is inserted into the top of the drying box, a plurality of air holes are formed in the surface of the shielding cover, and a pull plate is arranged at the edge of the top of the shielding cover.
As a further improvement of the technical scheme, the outer wall of the drying oven is fixedly provided with a rotating motor, a plurality of stirring rods are arranged in the drying oven in a rotating mode, a plurality of stirring blades are arranged on the outer wall of each stirring rod at equal intervals, linkage gears are fixedly connected to the end portions of the stirring rods, the linkage gears are rotatably arranged on the inner wall of the drying oven, the outer walls of the linkage gears are meshed and connected, and one of the linkage gears is connected to the end portions of the output shaft of the rotating motor.
Compared with the prior art, the invention has the beneficial effects that:
1. among this lithium battery protection device based on joint limit structure, through setting up joint stop device, support the arc inboard inside lithium cell body extrudees into from the gap between two spacing cardboards, two spacing cardboards take place deformation, make lithium cell body joint inside supporting the arc inboard, can fix lithium cell body, make lithium cell body support inside the protective housing, lithium cell body is unsettled bottom, avoid lithium cell body to support inside the protective housing completely, when the protective housing receives the collision, the rigidity strikes direct action at the lithium cell body outer wall, lithium cell body's protection effect has been improved.
2. Among this lithium battery protection device based on joint limit structure, through setting up fixing device, a plurality of removal lead screws rotate simultaneously inside the shifting chute, the silk hole on the movable plate surface that makes two symmetries slides along removing the lead screw, make the movable plate slide inside the shifting chute, make fixed arc board remove along with the movable plate, place lithium cell body inside the fixed arc board of two symmetries, then fixed arc board gathers together along with the movable plate is inside, make the fixed arc inboard surface of two symmetries hug closely lithium cell body outer wall, press from both sides lithium cell body spacing clamp inside the protective housing, make lithium cell body can't rock.
3. Among this lithium battery protection device based on joint limit structure, through setting up left combination piece and right combination piece, press the card post, inside the card post slided into the spout, spacing spring compression, then inside the fluting of the left combination piece of another protective housing is slided into to the right combination piece of one of them protective housing, make a plurality of card posts aim at a plurality of card holes respectively, then loosen the card post, drive the card post and upwards slide in the spout inside under the spring action of spacing spring, make the card post stretch into inside the card hole, with two spacing fixes of protective housing together, thereby conveniently make up a plurality of protective housings and protect respectively the lithium cell body of lithium cell group, the practicality is stronger.
4. Among this lithium battery protection device based on joint limit structure, through setting up the stopper, when spacing groove is parallel with the limiting plate, can pass the limiting plate from the spacing inslot portion, then rotate the limiting plate, make the bull stick rotate at the backup pad top, make the limiting plate perpendicular with the spacing groove, make the limiting plate can't break away from the spacing groove, can the effectual fixing at the backup pad top of joint stop device, avoid the joint stop device to rock, lead to lithium cell body to rock the damage.
5. Among this lithium cell protection device based on joint limit structure, through setting up supporting spring and buffer spring, when the protective housing received the vibration of collision, make supporting spring and buffer spring compression, under supporting spring and buffer spring's spring action, the rigidity of buffering vibration is strikeed the destruction to joint stop device and fixing device to can cushion the rigidity and strike the destruction to lithium cell body outer wall, be favorable to protecting lithium cell body.
6. Among this lithium battery protection device based on joint limit structure, through setting up the air cushion, pull out the upper shield and aerify from gas tube inside, make the air cushion inflation, increase the elasticity of air cushion, put lithium cell body outer wall inside supporting the arc board, make air cushion contact lithium cell body outer wall, the rigidity impact of buffering vibration is to lithium cell body's destruction under the effect of air cushion elasticity, is favorable to protecting lithium cell body's safety, is favorable to increase of service life.
7. Among this lithium cell protection device based on joint limit structure, through setting up drying device, inside the bleeder vent gets into the drying cabinet can be followed to the inside air of protective housing, and a plurality of puddlers rotate inside the drying cabinet, and the inside drier of stirring drying cabinet is rotated to the stirring leaf, makes the drier disperse to fully contact with the air, increases drying efficiency, and the hydrone in the air reacts with the drier, makes the protective housing inside keep dry to keep the drying in the lithium cell body outside.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is an assembly view showing the overall structure of embodiment 1;
FIG. 3 is a schematic structural view of a position limiting protection mechanism according to embodiment 1;
fig. 4 is a schematic view of the protective case structure of embodiment 1;
fig. 5 is an exploded view of the protective case of embodiment 1;
FIG. 6 is a schematic structural view of a mobile screw according to embodiment 1;
FIG. 7 is an exploded view of the right tile structure of embodiment 1;
FIG. 8 is a schematic view of a left modular block configuration according to embodiment 1;
FIG. 9 is an exploded view of the support plate of embodiment 1;
FIG. 10 is a schematic view of the drying apparatus according to example 1;
FIG. 11 is a schematic view of a stirring rod structure according to embodiment 1;
FIG. 12 is a schematic view of the structure of a fixing device according to embodiment 1;
fig. 13 is a schematic structural view of the clamping limiting device in embodiment 1.
The various reference numbers in the figures mean:
100. a lithium battery body;
200. a limiting protection mechanism;
210. a protective shell; 211. a sealing cover; 212. a moving groove; 2120. a power tank; 213. moving the screw rod; 2131. a first bevel gear; 2132. a second bevel gear; 2133. a connecting rod; 2134. a gear plate; 2135. a turntable; 214. a placement groove; 215. a right combination block; 2150. a chute; 2151. clamping the column; 2152. a limiting spring; 216. a left combination block; 2161. grooving; 2162. clamping holes; 217. a support plate; 2171. a rotating rod; 2172. a limiting plate; 218. a through hole; 219. an adjustment housing;
220. a fixing device; 221. moving the plate; 2210. a silk hole; 2211. a convex plate; 2212. a buffer spring; 2213. a connecting plate; 222. fixing the arc plate;
230. clamping a limiting device; 231. supporting the arc plate; 2310. an air cushion; 2311. an inflation tube; 2312. covering; 232. a limiting clamping plate; 233. placing the plate; 2330. a limiting groove; 234. a support spring;
240. a drying device; 241. a drying oven; 242. a shielding cover; 2421. air holes are formed; 2422. pulling a plate; 243. a stirring rod; 2431. stirring blades; 2432. a linkage gear; 244. the motor is rotated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 13, the present embodiment provides a lithium battery protection device based on a clamping and limiting structure, including a lithium battery body 100 and a limiting protection mechanism 200 outside the lithium battery body 100, where the limiting protection mechanism 200 at least includes:
the protection shell 210 is provided with a sealing cover 211 in a hinged mode at the top of the protection shell 210, the lithium battery body 100 is placed inside the protection shell 210, then the sealing cover 211 is closed, the outer side of the lithium battery body 100 can be comprehensively protected, dust is prevented from entering the dip-dyed lithium battery body 100 from an opening at the top of the protection shell 210, the protection efficiency is improved, a plurality of groups of moving grooves 212 are formed in the bottom of an inner cavity of the protection shell 210 at equal intervals, two moving screws 213 are arranged inside the two moving grooves 212 in a rotating mode, the two moving screws 213 are enabled to rotate inside the two moving grooves 212 in a rotating mode respectively, supporting plates 217 are arranged on two side walls, close to the end portions, of the protection shell 210, through holes 218 are formed in two ends of the protection shell 210, cables connected to the end portions of the lithium battery body 100 can extend out of the protection shell 210 through the through holes 218, and structural integrity is guaranteed;
when the protective case 210 in this embodiment is used specifically, the sealing cover 211 is opened to expose the opening at the top of the protective case 210, the lithium battery body 100 is placed inside the protective case 210, and then the sealing cover 211 is closed to protect the outer wall of the lithium battery body 100 comprehensively.
The fixing device 220, the number of the fixing device 220 is the same as that of the moving grooves 212, the fixing device 220 comprises a moving plate 221, the cross-sectional dimension of the moving plate 221 is matched with that of the moving grooves 212, the moving plate 221 can slide in the moving grooves 212, the surface of the moving plate 221 close to the bottom is provided with screw holes 2210, the screw holes 2210 are in threaded fit connection with the outer walls of the moving screws 213, when the two symmetrical moving screws 213 rotate, the screw holes 2210 on the surface of the moving plate 221 slide along the threads on the outer walls of the moving screws 213, the moving plate 221 can slide in the moving grooves 212, the two symmetrical moving plates 221 can inwards gather or diffuse, the end part of the inner surface of the moving plate 221 is provided with a fixed arc plate 222, the fixed arc plate 222 is in an arc shape and is matched with the profile of the outer wall of the lithium battery body 100, the fixed arc plate 222 can move along with the moving plate 221, the lithium battery body 100 is placed between the two symmetrical fixed arc plates 222, then, the two symmetrical fixed arc plates 222 are gathered inwards, and the outer wall of the lithium battery body 100 is clamped and fixed in the protective shell 210, so that the lithium battery body 100 cannot shake, the safety of the lithium battery is further protected, and the service life is prolonged;
when the fixing device 220 in this embodiment is used specifically, the plurality of moving screws 213 rotate simultaneously inside the moving groove 212, so that the screw holes 2210 on the surfaces of the two symmetrical moving plates 221 slide along the moving screws 213, the moving plates 221 slide inside the moving groove 212, the fixed arc plates 222 move along with the moving plates 221, the lithium battery body 100 is placed inside the two symmetrical fixed arc plates 222, then the fixed arc plates 222 are gathered inward along with the moving plates 221, the inner surfaces of the two symmetrical fixed arc plates 222 are tightly attached to the outer wall of the lithium battery body 100, and the lithium battery body 100 is limited and clamped inside the protective case 210.
The clamping limiting device 230 is provided with two symmetrical clamping limiting devices 230, the two clamping limiting devices 230 are respectively positioned at two ends of an inner cavity of the protective shell 210, each clamping limiting device 230 comprises a supporting arc plate 231, two symmetrical placing plates 233 are arranged on the outer wall, close to the end part, of each supporting arc plate 231, each placing plate 233 is positioned at the top of each supporting plate 217, each placing plate 233 is supported by each supporting plate 217, the clamping limiting devices 230 can be supported in the protective shell 210, the inner diameter of each supporting arc plate 231 is matched with the outer diameter of the lithium battery body 100, the lithium battery body 100 can be placed in the supporting arc plates 231, the two limiting clamping plates 232 are arranged at two ends of each supporting arc plate 231, each limiting clamping plate 232 is made of plastic and has enough elasticity and can not be damaged due to slight deformation, the lithium battery body 100 is squeezed into the supporting arc plates 231 from a gap between the two limiting clamping plates 232, and the two limiting clamping plates 232 are deformed, make lithium cell body 100 joint inside supporting arc 231, can fix lithium cell body 100, make lithium cell body 100 support inside protective case 210, lithium cell body 100 bottom is unsettled, avoids lithium cell body 100 to support completely inside protective case 210, receives when the protective case 210 collides, and the rigidity strikes direct action at lithium cell body 100 outer wall, has improved lithium cell body 100's protection effect.
Clamping limiting device 230 in this embodiment is when specifically using, take out two clamping limiting device 230 from protective housing 210 inside, then support arc 231 inside squeezing into the outer wall that lithium cell body 100 is close to the tip from the gap of two spacing cardboard 232 tip, spacing cardboard 232 deformation, with the spacing joint of lithium cell body 100 inside supporting arc 231, then put protective housing 210 inside with clamping limiting device 230, make backup pad 217 support place board 233, make to have the gap between lithium cell body 100 and the protective housing 210 inner wall, unsettled protection is carried out to lithium cell body 100.
In this embodiment, the end portions of the two moving grooves 212 are provided with power grooves 2120, the end portions of the two moving screws 213 both rotatably extend into the power grooves 2120 and are connected with first bevel gears 2131, second bevel gears 2132 are engaged and connected between the outer walls of the two first bevel gears 2131, the bottom of the second bevel gears 2132 is provided with connecting rods 2133, the connecting rods 2133 are rotatably arranged inside the power grooves 2120, the connecting rods 2133 are rotated to rotate the second bevel gears 2132, so that the two first bevel gears 2131 are engaged and simultaneously rotated, the two moving screws 213 are rotated inside the moving grooves 212, so that the two symmetrical moving plates 221 can simultaneously slide along the outer walls of the moving screws 213, and the operation is convenient.
Specifically, protective housing 210 bottom is provided with adjusts shell 219, a plurality of connecting rod 2133 tip rotate and stretch into and adjust shell 219 internal connection have gear dish 2134, a plurality of gear dish 2134 outer wall meshing is connected gear dish 2134 and is rotated and set up inside adjusting shell 219, one of them gear dish 2134 end connection has carousel 2135, hold carousel 2135 and rotate, can drive one of them gear dish 2134 and rotate, thereby make a plurality of gear dish 2134 meshing rotate, make connecting rod 2133 drive second cone gear 2132 and rotate, make a plurality of removal lead screws 213 rotate simultaneously, can guarantee that a plurality of fixed arc boards 222 remove and press from both sides tight lithium cell body 100, and the operation is convenient, and the practicality is stronger.
Furthermore, a right combination block 215 and a left combination block 216 are respectively arranged on two side walls of the protective shell 210, a slot 2161 is formed in the end of the left combination block 216, a plurality of clamping holes 2162 are formed in the surfaces of two sides of the left combination block 216, the clamping holes 2162 are communicated with the inside of the slot 2161, and the size of the right combination block 215 is matched with the inside of the slot 2161, so that the right combination block 215 can be prevented from being in the slot 2161 of the left combination block 216, and the subsequent combination of a plurality of protective shells 210 is facilitated.
Specifically, the upper and lower surfaces of the right combination block 215 are respectively provided with a plurality of chutes 2150, the inside of each chute 2150 is slidably provided with a clamp column 2151, a limit spring 2152 is connected between the bottom of each clamp column 2151 and the inner wall of each chute 2150, the outer diameter of each clamp column 2151 is matched with the inner diameter of each clamp hole 2162, when the limit spring 2152 is stationary, the clamp column 2151 extends out of the chute 2150, the clamp column 2151 is pressed and slides into the chute 2150, the limit spring 2152 is compressed, then the right combination block 215 of one of the protection shells 210 slides into the groove 2161 of the left combination block 216 of the other protection shell 210, the plurality of clamp columns 2151 are respectively aligned with the plurality of clamp holes 2162, then the clamp columns 2151 are loosened, the clamp columns 2151 are driven to slide upwards in the chutes 2150 under the elastic force of the limit springs 2152, the clamp columns 2151 extend into the clamp holes 2162, the two protection shells 210 are limited and fixed together, and the lithium battery pack bodies 100 are conveniently combined with the plurality of the lithium battery packs, the practicability is stronger.
Further, a rotating rod 2171 is rotatably arranged at the top of the supporting plate 217, a limiting plate 2172 is arranged at the top of the rotating rod 2171, the limiting plate 2172 is in a shape of a 'chamfered cuboid', a limiting groove 2330 is formed in the surface of the placing plate 233, the limiting groove 2330 is matched with the interior of the limiting plate 2172, when the limiting groove 2330 is parallel to the limiting plate 2172, the limiting plate 2172 can pass through the interior of the limiting groove 2330, then the limiting plate 2172 is rotated to enable the rotating rod 2171 to rotate at the top of the supporting plate 217, the limiting plate 2172 is perpendicular to the limiting groove 2330, the limiting plate 2172 cannot be separated from the limiting groove 2330, the clamping limiting device 230 can be effectively fixed at the top of the supporting plate 217, and the clamping limiting device 230 is prevented from shaking and being damaged due to the shaking of the lithium battery body 100.
It is worth to be noted that the supporting spring 234 is arranged at the bottom of the placing plate 233, the bottom of the supporting spring 234 is located at the bottom of the inner cavity of the protective shell 210, the end portion of the moving plate 221 is provided with a convex plate 2211, the outer surface of the convex plate 2211 is provided with a buffer spring 2212, the end portion of the buffer spring 2212 is connected with a connecting plate 2213, the connecting plate 2213 is fixed on the outer wall of the fixed arc plate 222, when the protective shell 210 is vibrated due to collision, the supporting spring 234 and the buffer spring 2212 are compressed, and under the elastic action of the supporting spring 234 and the buffer spring 2212, the damage of rigid impact of vibration to the clamping limiting device 230 and the fixing device 220 is buffered, so that the damage of the rigid impact to the outer wall of the lithium battery body 100 can be buffered, and the lithium battery body 100 can be protected.
Wherein, support the fixed air cushion 2310 that is provided with of arc board 231 inner wall, air cushion 2310 is "semicircle ring" form, air cushion 2310 adopts the elastic rubber material, air cushion 2310 outer wall intercommunication has gas tube 2311, the end cover of gas tube 2311 is equipped with cover 2312, can pull off cover 2312 and aerify from the gas tube 2311 is inside, make air cushion 2310 aerify the inflation, increase the elasticity of air cushion 2310, place lithium cell body 100 outer wall inside supporting arc board 231, make air cushion 2310 contact lithium cell body 100 outer wall, the rigidity of buffering vibration strikes the destruction to lithium cell body 100 under the effect of air cushion 2310 elasticity, be favorable to protecting the safety of lithium cell body 100, be favorable to increase of service life.
In addition, a placing groove 214 is formed in the bottom of the inner cavity of the protective shell 210, the placing groove 214 is located between the two sets of moving grooves 212, a drying device 240 is embedded in the placing groove 214, the drying device 240 includes a drying box 241, a drying agent is arranged in the inner cavity of the drying box 241, the drying agent can react with water molecules to produce hydrates, so that the environment inside the protective shell 210 is dried, the outer side of the lithium battery body 100 is kept dry, a shielding cover 242 is inserted at the top of the drying box 241, a plurality of air holes 2421 are formed in the surface of the shielding cover 242, a pull plate 2422 is arranged at the edge of the top of the shielding cover 242, air inside the protective shell 210 can enter the drying box 241 from the air holes 2421, water molecules in the air react with the drying agent, the inside of the protective shell 210 is kept dry, the pull plate 2422 can be pulled, the shielding cover 242 can be taken down from the top of the drying box 241, and the drying agent can be conveniently added into the drying box 241 at any time, normal use is guaranteed, and the practicality is stronger.
Specifically, a rotating motor 244 is fixedly arranged on the outer wall of the drying box 241, a plurality of stirring rods 243 are rotatably arranged in the drying box 241, a plurality of stirring blades 2431 are arranged on the outer wall of each stirring rod 243 at equal intervals, a linkage gear 2432 is fixedly connected to the end of each stirring rod 243, the linkage gear 2432 is rotatably arranged on the inner wall of the drying box 241, the outer walls of a plurality of linkage gears 2432 are meshed and connected, the end of one linkage gear 2432 is connected with the output shaft of the rotating motor 244, the rotating motor 244 is powered on to work, one linkage gear 2432 is driven by the output shaft of the rotating motor 244 to rotate, so that the plurality of linkage gears 2432 are meshed and rotated, the plurality of stirring rods 243 are rotated in the drying box 241, the stirring blades 2431 rotate the drying agent in the drying box 241, the drying agent is dispersed and fully contacted with air, and drying efficiency is improved.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. Lithium battery protection device based on joint limit structure, including lithium cell body (100) with spacing protection mechanism (200) in lithium cell body (100) outside, its characterized in that: the limit protection mechanism (200) at least comprises:
the protective shell (210), a sealing cover (211) is hinged to the top of the protective shell (210), a plurality of groups of moving grooves (212) are formed in the bottom of an inner cavity of the protective shell (210) at equal intervals, two moving grooves (212) are symmetrically arranged in one group, moving screw rods (213) are rotatably arranged in the two moving grooves (212), supporting plates (217) are arranged on two side walls of the protective shell (210) close to the end portions, and through holes (218) are formed in two ends of the protective shell (210);
the number of the fixing devices (220) is the same as that of the moving grooves (212), each fixing device (220) comprises a moving plate (221), the cross section size of each moving plate (221) is matched with that of each moving groove (212), the surface, close to the bottom, of each moving plate (221) is provided with a screw hole (2210), each screw hole (2210) is in threaded fit connection with the outer wall of each moving screw rod (213), a fixed arc plate (222) is arranged at the end part of the inner surface of each moving plate (221), and each fixed arc plate (222) is in an arc shape;
the clamping limiting devices (230) are symmetrically arranged, the two clamping limiting devices (230) are respectively located at two ends of an inner cavity of the protective shell (210), each clamping limiting device (230) comprises a supporting arc plate (231), two symmetrical placing plates (233) are arranged on the outer wall, close to the end portion, of each supporting arc plate (231), the placing plates (233) are located at the top of the corresponding supporting plate (217), the inner diameter of each supporting arc plate (231) is matched with the outer diameter of the lithium battery body (100), limiting clamping plates (232) are arranged at two ends of each supporting arc plate (231), and each limiting clamping plate (232) is made of plastic;
the end parts of the two moving grooves (212) are provided with power grooves (2120), the end parts of the two moving screw rods (213) both rotatably extend into the power grooves (2120), first bevel gears (2131) are connected to the inner parts of the two moving screw rods, second bevel gears (2132) are connected between the outer walls of the two first bevel gears (2131) in a meshing manner, connecting rods (2133) are arranged at the bottoms of the second bevel gears (2132), and the connecting rods (2133) are rotatably arranged in the power grooves (2120);
the bottom of the protective shell (210) is provided with an adjusting shell (219), the end parts of the connecting rods (2133) extend into the adjusting shell (219) in a rotating mode and are connected with gear discs (2134), the outer walls of the gear discs (2134) are connected with the gear discs (2134) in a meshing mode and are arranged inside the adjusting shell (219) in a rotating mode, and the end part of one gear disc (2134) is connected with a rotating disc (2135).
2. The lithium battery protection device based on the clamping limiting structure as claimed in claim 1, wherein: the protective housing (210) both sides wall is provided with right combination piece (215) and left combination piece (216) respectively, fluting (2161) has been seted up to left combination piece (216) tip, a plurality of card holes (2162) have all been seted up to left combination piece (216) both sides surface, card hole (2162) with fluting (2161) inside intercommunication, right combination piece (215) size of size with fluting (2161) inside looks adaptation.
3. The lithium battery protection device based on the clamping limiting structure as claimed in claim 2, wherein: a plurality of chutes (2150) are formed in the upper surface and the lower surface of the right combination block (215), clamping columns (2151) are arranged in the chutes (2150) in a sliding mode, limiting springs (2152) are connected between the bottoms of the clamping columns (2151) and the inner walls of the chutes (2150), and the outer diameter of each clamping column (2151) is matched with the inner diameter of each clamping hole (2162).
4. The lithium battery protection device based on the clamping limiting structure as claimed in claim 1, wherein: the top of the supporting plate (217) is rotatably provided with a rotating rod (2171), the top of the rotating rod (2171) is provided with a limiting plate (2172), the limiting plate (2172) is in a shape of a 'chamfer cuboid', the surface of the placing plate (233) is provided with a limiting groove (2330), and the limiting groove (2330) is matched with the inside of the limiting plate (2172).
5. The lithium battery protection device based on the clamping limiting structure as claimed in claim 1, wherein: the bottom of the placing plate (233) is provided with a supporting spring (234), the bottom of the supporting spring (234) is located at the bottom of an inner cavity of the protective shell (210), the end of the moving plate (221) is provided with a convex plate (2211), the outer surface of the convex plate (2211) is provided with a buffer spring (2212), the end of the buffer spring (2212) is connected with a connecting plate (2213), and the connecting plate (2213) is fixed on the outer wall of the fixed arc plate (222).
6. The lithium battery protection device based on the clamping limiting structure as claimed in claim 1, wherein: an air cushion (2310) is fixedly arranged on the inner wall of the supporting arc plate (231), the air cushion (2310) is in a semicircular ring shape, the air cushion (2310) is made of elastic rubber, the outer wall of the air cushion (2310) is communicated with an inflation tube (2311), and a sleeve cover (2312) is sleeved at the end part of the inflation tube (2311).
7. The lithium battery protection device based on the clamping limiting structure as claimed in claim 1, wherein: a placing groove (214) is formed in the bottom of an inner cavity of the protective shell (210), the placing groove (214) is located between two sets of moving grooves (212), a drying device (240) is embedded in the placing groove (214), the drying device (240) comprises a drying box (241), a drying agent is arranged in the inner cavity of the drying box (241), a shielding cover (242) is inserted into the top of the drying box (241), a plurality of air holes (2421) are formed in the surface of the shielding cover (242), and a pull plate (2422) is arranged at the edge of the top of the shielding cover (242).
8. The lithium battery protection device based on the clamping limiting structure as claimed in claim 7, wherein: the fixed rotation motor (244) that is provided with of drying cabinet (241) outer wall, drying cabinet (241) inside rotation is provided with a plurality of puddlers (243), a plurality of stirring leaves (2431) have been seted up to puddler (243) outer wall equidistant, puddler (243) tip fixedly connected with linkage gear (2432), linkage gear (2432) rotate the setting and are in drying cabinet (241) inner wall, a plurality of linkage gear (2432) outer wall meshing is connected, one of them linkage gear (2432) end connection the output shaft of rotation motor (244).
CN202011237302.2A 2020-11-09 2020-11-09 Lithium battery protection device based on clamping limiting structure Active CN112407627B (en)

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