CN111740061B - 5V lithium battery protection structure - Google Patents
5V lithium battery protection structure Download PDFInfo
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- CN111740061B CN111740061B CN202010640334.0A CN202010640334A CN111740061B CN 111740061 B CN111740061 B CN 111740061B CN 202010640334 A CN202010640334 A CN 202010640334A CN 111740061 B CN111740061 B CN 111740061B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- 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 discloses a 5V lithium battery protection structure, relates to the technical field of lithium battery protection, and mainly aims to solve the problem that the existing protection structure adopts closed protection with fixed volume and has poor effect; the protection frame is connected with the protective cover through a connecting piece, the connecting piece comprises a first connecting rod, a bolt, a pressure rod and a first compression spring, a damping assembly is arranged below a supporting plate in the protection frame, the damping assembly comprises an elastic ring piece, an inverted T-shaped rod, a second connecting rod, a third connecting rod and a movable plate, adjusting units adapting to different sizes of lithium batteries are mounted on the supporting plate, the protection frame, the protective cover and the connecting piece are arranged, when the lithium batteries in the protection frame explode, a buffering effect can be achieved, the situation that the whole protection mechanism is damaged due to the fact that the impact force is too strong in the moment of explosion is avoided, and fragments splash to cause larger loss is avoided; be equipped with damper, the shock attenuation effect is better.
Description
Technical Field
The invention relates to the technical field of lithium battery protection, in particular to a 5V lithium battery protection structure.
Background
A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries.
Lithium cell all needs protection machanism to protect in transportation, installation use, avoids causing bigger incident, and current lithium cell protection machanism generally adopts fixed volumetric protective housing to protect, and when the lithium cell explosion, the impact force causes the damage of protective housing easily in the twinkling of an eye, causes the piece more seriously to scatter, and the protecting effect is relatively poor.
Disclosure of Invention
The invention aims to provide a 5V lithium battery protection structure to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
A5V lithium battery protection structure comprises a protection frame for installing a lithium battery and a protection cover sleeved on the upper part of the protection frame, the outer wall of the upper part of the protective frame is attached to the inner wall of the lower part of the protective cover, the protective frame is connected with the protective cover through a connecting piece, the connecting piece comprises first connecting rods, bolts, pressure rods and first compression springs, the first connecting rods are hinged on the protective frame and the protective cover, the other ends of the two first connecting rods are hinged through the bolts, nuts are connected on the bolts in a threaded manner, the pressure rods are arranged on the two first connecting rods in a penetrating manner, one ends of the pressure rods are abutted against the outer wall of the protective cover, the first compression springs are arranged between the ends of the pressure rods abutted against the protective cover and the first connecting rods, the inner wall of the protective cover contacting with the protective frame is provided with a protrusion with a semicircular section, the outer wall of the protective frame is provided with a groove matched with the protrusion, and the bolt is hinged with a protective plate.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the end of the pressing rod, which is abutted against the protective cover, is provided with a spherical bulge, and the first compression spring is sleeved on the rod section of the pressing rod, which is positioned between the spherical bulge and the first connecting rod.
In one alternative: and the protective cover is provided with a pressure release valve.
In one alternative: the lithium battery protection device is characterized in that a supporting plate for mounting a lithium battery is arranged in the protection frame in a sliding mode, a damping assembly is arranged below the supporting plate and in the protection frame, the damping assembly comprises an elastic ring piece, an inverted T-shaped rod, a second connecting rod, a third connecting rod and movable plates, the inverted T-shaped rod is fixedly mounted in the protection frame through a fixing rod, the elastic ring piece is sleeved on three end portions of the inverted T-shaped rod, the elastic ring piece at the top end of the inverted T-shaped rod is in contact with the lower surface of the supporting plate, the second connecting rod is hinged to two sides of the lower surface of the supporting plate, the other end of the second connecting rod is hinged to the elastic ring piece at the side edge of the inverted T-shaped rod, the third connecting rod is hinged to two sides of the lower surface of the supporting plate, the end portions of the movable plates are horizontally arranged, the movable plates are arranged in a vertical contact mode, and protrusions are arranged on contact surfaces of the movable plates.
In one alternative: the damping assembly further comprises an auxiliary mechanism, the auxiliary mechanism comprises a lead screw, an internal thread sleeve, four connecting rods, a sleeve and a second compression spring, the lead screw penetrates through the frame wall of the protective frame through threads, the lead screw is connected with the internal thread sleeve through threads, the internal thread sleeve is hinged with the three fourth connecting rods, the three branch rod sections of the inverted T-shaped rod are movably sleeved with the sleeve, the second compression spring is sleeved between the sleeve and the elastic ring piece on each branch rod section, and the other ends of the three fourth connecting rods are hinged with the three sleeves respectively.
In one alternative: install the not unidimensional regulating unit of adaptation lithium cell in the backup pad, the regulating unit includes inverted U type pole, positioning stud, first bevel gear and second bevel gear, two at least the one end of inverted U type pole rotates with the backup pad to be connected and extends to in the backup pad, and the one end fixed mounting that the inverted U type pole is located the backup pad has first bevel gear, and an installation axle is installed to the backup pad internal rotation, installs epaxial fixed mounting of installation and the second bevel gear of first bevel gear meshing, and threaded connection has positioning stud on the inverted U type pole, positioning stud bottom and backup pad upper surface match.
In one alternative: the top of the protective cover is threaded and connected with a threaded rod in a penetrating manner, and a pressing plate is fixed at the bottom end of the threaded rod.
Compared with the prior art, the invention has the following beneficial effects:
1. the protective cover is provided with a protective frame, a protective cover and a connecting piece, wherein the connecting piece comprises a first connecting rod, a bolt, a pressure rod and a first compression spring, when a lithium battery in the protective frame explodes, the protective cover and the protective frame move relatively due to explosion impact force to drive the first connecting rod to move, the first compression spring can also play a role in buffering, the pressure rod presses the protective cover to be attached to the protective frame, the friction force between the protective cover and the protective frame is increased, the buffering effect can be further achieved, and the phenomenon that the whole protective mechanism is damaged due to too strong impact force at the moment of explosion and fragments splash to cause larger loss is avoided;
2. the damping device is provided with a damping assembly, the damping assembly comprises elastic ring pieces, an inverted T-shaped rod, a second connecting rod, a third connecting rod and movable plates, the damping assembly further comprises an auxiliary mechanism, the auxiliary mechanism comprises a lead screw, an internal thread sleeve, a fourth connecting rod, a sleeve and a second compression spring, when a supporting plate vibrates, the three elastic ring pieces are close to each other and extruded, the damping effect can be achieved, meanwhile, the friction force between the two movable plates can also achieve the damping effect, the second compression spring can further achieve the damping effect, the lead screw is rotated to drive the internal thread sleeve to move, the internal thread sleeve drives the sleeve to move through the fourth connecting rod, the sleeve compresses the second compression spring, and the damping effect is better;
3. be equipped with the regulating unit, the regulating unit includes inverted U type pole, positioning stud, first bevel gear and second bevel gear, can drive all inverted U type poles synchronous rotation through the meshing of first bevel gear with the second bevel gear through rotating an inverted U type pole to support tight lithium cell, then fix the position of inverted U type pole through positioning stud, strong adaptability.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a schematic structural view of the elastic ring member and the inverted T-shaped bar according to the first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
Notations for reference numerals: 1-a protective frame, 2-a first connecting rod, 3-a protective plate, 4-a pressure rod, 5-a bolt, 6-a first compression spring, 7-a protective cover, 8-an inverted U-shaped rod, 9-a positioning stud, 10-a first bevel gear, 11-a second bevel gear, 12-a support plate, 13-a second connecting rod, 14-an elastic ring piece, 15-an inverted T-shaped rod, 16-a second compression spring, 17-a third connecting rod, 18-a movable plate, 19-a fixed rod, 20-an auxiliary mechanism, 21-a threaded rod, 22-a pressure plate, 23-a sleeve, 24-a screw rod, 25-a fourth connecting rod and 26-an internal thread sleeve.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1 to 3, in an embodiment of the present invention, a 5V lithium battery protection structure includes a protection frame 1 for mounting a lithium battery and a protection cover 7 sleeved on an upper portion of the protection frame 1, further, an outer wall of an upper portion of the protection frame 1 is attached to an inner wall of a lower portion of the protection cover 7, the protection frame 1 is connected to the protection cover 7 through a connecting member, the protection cover 7 is provided with a pressure release valve, the connecting member includes a first connecting rod 2, a bolt 5, a pressure lever 4 and a first compression spring 6, the protection frame 1 and the protection cover 7 are both hinged to each other by the first connecting rod 2, the other ends of the two first connecting rods 2 are hinged to each other by the bolt 5, the bolt 5 is screwed with a nut to facilitate disassembly, the two first connecting rods 2 are both provided with the pressure lever 4, one end of the pressure lever 4 abuts against an outer wall of the protection cover 7, the first compression spring 6 is provided between one end of the pressure lever 4 and the protection cover 7 and the first connecting rod 2, in the embodiment, a spherical protrusion is arranged at one end of the pressure rod 4 abutting against the protective cover 7, the first compression spring 6 is sleeved on a rod section of the pressure rod 4 between the spherical protrusion and the first connecting rod 2, further, a protrusion with a semicircular section is arranged on the inner wall of the protective cover 7 contacting with the protective frame 1, a groove matched with the protrusion is arranged on the outer wall of the protective frame 1, further, the bolt 5 is hinged with a protective plate 3, when the protective plate 3 is impacted, the protective cover 7 is driven by the first connecting rod 2 to move relative to the protective frame 1, the first connecting rod 2 is close to the protective cover 7 to extrude the first compression spring 6 on the pressure rod 4, the first compression spring 6 can play a role in buffering, meanwhile, the elastic force of the first compression spring 6 enables the pressure rod 4 to further compress the protective cover 7 to be attached to the protective frame 1, and the friction force between the protective cover 7 and the protective frame 1 is increased, when the lithium battery in the protective frame 1 explodes, the explosion impact force enables the protective cover 7 and the protective frame 1 to move relatively to drive the first connecting rod 2 to move, the first compression spring 6 can also play a role in buffering at the moment, and the compression rod 4 compresses the protective cover 7 to be attached to the protective frame 1, so that the friction force between the protective cover 7 and the protective frame 1 is increased, the buffering effect can be further achieved, and the phenomenon that the whole protective mechanism is damaged due to too strong impact force at the moment of explosion and fragments are splashed to cause greater loss is avoided;
further, a support plate 12 for mounting a lithium battery is slidably mounted in the protective frame 1, a shock absorption assembly is arranged below the support plate 12 in the protective frame 1, the shock absorption assembly comprises an elastic ring member 14, an inverted T-shaped rod 15, a second connecting rod 13, a third connecting rod 17 and movable plates 18, the inverted T-shaped rod 15 is fixedly mounted in the protective frame 1 through a fixing rod 19, the elastic ring member 14 is sleeved on three end portions of the inverted T-shaped rod 15, the elastic ring member 14 at the top end of the inverted T-shaped rod 15 is in contact with the lower surface of the support plate 12, the second connecting rod 13 is hinged on two sides of the lower surface of the support plate 12, the other end of the second connecting rod 13 is hinged with the elastic ring member 14 at the side edge of the inverted T-shaped rod 15, the third connecting rod 17 is hinged on two sides of the lower surface of the support plate 12, the other end of the third connecting rod 17 is hinged with the end portion of the movable plates 18 which is horizontally arranged, and the two movable plates 18 are arranged in contact up and down, the contact surfaces of the two movable plates 18 are respectively provided with a protrusion to increase the friction force between the two movable plates 18, when the support plate 12 vibrates, the three elastic ring members 14 are pressed close to each other, so that the damping effect can be achieved, meanwhile, the friction force between the two movable plates 18 can also perform damping and buffering, further, the damping component further comprises an auxiliary mechanism 20, the auxiliary mechanism 20 comprises a lead screw 24, an internal thread sleeve 26, a fourth connecting rod 25, a sleeve 23 and a second compression spring 16, the lead screw 24 penetrates through the frame wall of the protection frame 1 through a thread, the internal thread sleeve 26 is connected to the lead screw 24 through a thread, the internal thread sleeve 26 is hinged to three fourth connecting rods 25, the sleeve 23 is movably sleeved on three branch rod sections of the inverted T-shaped rod 15, the second compression spring 16 is sleeved between the sleeve 23 and the elastic ring members 14 on the three branch rod sections, and the other ends of the three fourth connecting rods 25 are respectively hinged to the three sleeves 23, the second compression spring 16 can further play a role in shock absorption, the screw rod 24 is rotated to drive the internal thread sleeve 26 to move, the internal thread sleeve 26 drives the sleeve 23 to move through the fourth connecting rod 25, the sleeve 23 compresses the second compression spring 16, and the shock absorption effect is better;
furthermore, the adjusting unit adapted to different sizes of lithium batteries is installed on the supporting plate 12, the adjusting unit includes inverted U-shaped rods 8, positioning studs 9, first bevel gears 10 and second bevel gears 11, one end of at least two of the inverted U-shaped rods 8 is rotatably connected with the supporting plate 12 and extends into the supporting plate 12, one end of the inverted U-shaped rod 8 located in the supporting plate 12 is fixedly installed with the first bevel gear 10, the supporting plate 12 is rotatably installed with an installation shaft, the installation shaft is fixedly installed with the second bevel gear 11 engaged with the first bevel gear 10, the inverted U-shaped rod 8 is in threaded connection with the positioning studs 9, the bottom ends of the positioning studs 9 are matched with the upper surface of the supporting plate 12 to fix the positions of the inverted U-shaped rods 8, and by rotating the inverted U-shaped rod 8, all the inverted U-shaped rods 8 can be driven to synchronously rotate by the engagement of the first bevel gear 10 and the second bevel gear 11, thereby tightly support the lithium cell, then fix the position of type of falling U pole 8 through locating stud 9, strong adaptability.
Example 2
Referring to fig. 4, the embodiment of the present invention is different from embodiment 1 in that a threaded rod 21 is threaded through the top of the protective cover 7, and a pressing plate 22 is fixed at the bottom end of the threaded rod 21 and can press the lithium battery.
The working principle of the invention is as follows: when the protection plate 3 is impacted, the protective cover 7 is driven to move relative to the protection frame 1 through the first connecting rod 2, the first connecting rod 2 is close to the protective cover 7, the first compression spring 6 on the compression bar 4 is extruded, the first compression spring 6 can play a role in buffering, meanwhile, the elastic force of the first compression spring 6 enables the compression bar 4 to further compress the protective cover 7 to be attached to the protection frame 1, the friction force between the protective cover 7 and the protection frame 1 is increased, the buffering role can be further played, when a lithium battery in the protection frame 1 explodes, the explosion impact force enables the protective cover 7 and the protection frame 1 to move relative to drive the first connecting rod 2 to move, at the moment, the first compression spring 6 can also play a role in buffering, the compression bar 4 compresses the protective cover 7 to be attached to the protection frame 1, the friction force between the protective cover 7 and the protection frame 1 is increased, and the buffering role can be further played, avoid damaging whole protection machanism too by strong impact force in the twinkling of an eye owing to the explosion, the piece splashes and causes bigger loss, during backup pad 12 vibrations, through making three elastic ring 14 be close to the extrusion each other, can play buffering shock attenuation effect, the frictional force between two fly leaves 18 also can cushion the shock attenuation simultaneously, can further play absorbing effect through second compression spring 16, and drive internal thread bush 26 through rotating lead screw 24 and remove, internal thread bush 26 drives sleeve 23 through fourth connecting rod 25 and removes, sleeve 23 compresses second compression spring 16, the shock attenuation effect is better, can drive all inverted U type poles 8 synchronous rotations through the meshing of first bevel gear 10 with second bevel gear 11 through rotating an inverted U type pole 8, thereby support tight lithium cell, then fix the position of inverted U type pole 8 through locating stud 9, high adaptability.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (6)
1. A5V lithium battery protection structure comprises a protection frame (1) used for installing a lithium battery and a protection cover (7) sleeved on the upper portion of the protection frame (1), and is characterized in that the outer wall of the upper portion of the protection frame (1) is attached to the inner wall of the lower portion of the protection cover (7), the protection frame (1) is connected with the protection cover (7) through a connecting piece, the connecting piece comprises a first connecting rod (2), a bolt (5), a pressing rod (4) and a first compression spring (6), the protection frame (1) and the protection cover (7) are both hinged with the first connecting rod (2), the other ends of the two first connecting rods (2) are hinged through the bolt (5), the bolt (5) is in threaded connection with a nut, the two first connecting rods (2) are both provided with the pressing rod (4) in a penetrating manner, one end of the pressing rod (4) is abutted against the outer wall of the protection cover (7), the first compression spring (6) is arranged between one end of the pressing rod (4) and one end of the protection cover (7) abutted against the first connecting rod (2), the inner wall of the protective cover (7) in contact with the protective frame (1) is provided with a protrusion with a semicircular section, the outer wall of the protective frame (1) is provided with a groove matched with the protrusion, the bolt (5) is also hinged with a protective plate (3), a supporting plate (12) for mounting a lithium battery is arranged in the protective frame (1) in a sliding manner, a damping component is arranged below the supporting plate (12) in the protective frame (1), the damping component comprises an elastic ring piece (14), an inverted T-shaped rod (15), a second connecting rod (13), a third connecting rod (17) and a movable plate (18), the inverted T-shaped rod (15) is fixedly arranged in the protective frame (1) through a fixing rod (19), the elastic ring piece (14) is sleeved at three end parts of the inverted T-shaped rod (15), the elastic ring piece (14) at the top end of the inverted T-shaped rod (15) is in contact with the lower surface of the supporting plate (12), the second connecting rod (13) is hinged to two sides of the lower surface of the supporting plate (12), the other end of the second connecting rod (13) is hinged with an elastic ring piece (14) on the side of the inverted T-shaped rod (15), third connecting rods (17) are hinged to two sides of the lower surface of the supporting plate (12), the other end of each third connecting rod (17) is hinged to the end of a horizontally arranged movable plate (18), the two movable plates (18) are arranged in a vertically contacting mode, and protrusions are arranged on the contact surfaces of the two movable plates (18).
2. The 5V lithium battery protection structure according to claim 1, wherein one end of the pressure lever (4) abutting against the protective cover (7) is provided with a spherical bulge, and the first compression spring (6) is sleeved on a rod section of the pressure lever (4) between the spherical bulge and the first connecting rod (2).
3. The 5V lithium battery protection structure according to claim 1, characterized in that a pressure relief valve is installed on the protective cover (7).
4. The 5V lithium battery protection structure according to claim 1, wherein the shock absorption assembly further comprises an auxiliary mechanism (20), the auxiliary mechanism (20) comprises a lead screw (24), an internal thread sleeve (26), a fourth connecting rod (25), a sleeve (23) and a second compression spring (16), the lead screw (24) penetrates through the frame wall of the protection frame (1) in a threaded manner, the lead screw (24) is connected with the internal thread sleeve (26) in a threaded manner, the internal thread sleeve (26) is hinged to three fourth connecting rods (25), the sleeve (23) is movably sleeved on three branch rod sections of the inverted T-shaped rod (15), the second compression spring (16) is sleeved between the sleeve (23) and the elastic ring (14) on the three branch rod sections, and the other ends of the three fourth connecting rods (25) are hinged to the three sleeves (23) respectively.
5. The 5V lithium battery protection structure according to claim 1, wherein the support plate (12) is provided with adjusting units for different sizes of lithium batteries, the adjusting unit comprises an inverted U-shaped rod (8), a positioning stud (9), a first bevel gear (10) and a second bevel gear (11), wherein the number of the first bevel gear (10) is at least two, one end of the inverted U-shaped rod (8) is rotatably connected with a support plate (12) and extends into the support plate (12), the first bevel gear (10) is fixedly arranged at one end of the inverted U-shaped rod (8) in the support plate (12), an installation shaft is rotatably arranged in the support plate (12), the second bevel gear (11) meshed with the first bevel gear (10) is fixedly arranged on the installation shaft, the positioning stud (9) is in threaded connection with the inverted U-shaped rod (8), and the bottom end of the positioning stud (9) is matched with the upper surface of the support plate (12).
6. The 5V lithium battery protection structure according to claim 1, wherein a threaded rod (21) is connected to the top of the protection cover (7) in a threaded manner, and a pressing plate (22) is fixed to the bottom end of the threaded rod (21).
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| CN202010640334.0A CN111740061B (en) | 2020-07-06 | 2020-07-06 | 5V lithium battery protection structure |
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| CN202010640334.0A CN111740061B (en) | 2020-07-06 | 2020-07-06 | 5V lithium battery protection structure |
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| CN112810460A (en) * | 2021-02-07 | 2021-05-18 | 江苏世泽车业科技有限公司 | Battery box body for electric automobile |
| CN115000605B (en) * | 2022-06-21 | 2023-11-24 | 库尔兹电子科技(南通)有限公司 | Lithium battery with intelligent charging protection structure |
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