CN112366409B - Protective damping mechanism of vehicle-mounted lithium battery - Google Patents
Protective damping mechanism of vehicle-mounted lithium battery Download PDFInfo
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- CN112366409B CN112366409B CN202011237738.1A CN202011237738A CN112366409B CN 112366409 B CN112366409 B CN 112366409B CN 202011237738 A CN202011237738 A CN 202011237738A CN 112366409 B CN112366409 B CN 112366409B
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- damping
- shock absorption
- rod
- movable
- groove
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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
- F16F15/023—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 fluid means
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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
- F16F15/046—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 using combinations of springs of different kinds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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 relates to the technical field of lithium batteries, in particular to a protective damping mechanism of a vehicle-mounted lithium battery. The damping device comprises a fixed supporting mechanism, a damping mechanism and a top cover arranged at the top of the damping mechanism, wherein the fixed supporting mechanism comprises a supporting seat, and the damping mechanism is arranged at the top of the supporting seat. According to the invention, the elastic force generated by the deformation of the reset spring drives the connecting rod to slide downwards along the movable hole, the clamping disc is clamped and matched with the movable disc, and then the clamping disc is fixed, so that the distance between the inner damping rod and the outer damping tube is shortened, and the shortened inner damping rod and the shortened outer damping tube are accommodated through the accommodating groove, so that the contact area of the damping device and dust is reduced, the possibility of dust falling on the damping device is reduced, and the dustproof problem of the damping device is solved.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a protective damping mechanism of a vehicle-mounted lithium battery.
Background
Along with new energy automobile's development, a lot of electric automobile all adopt the lithium cell to continue a journey, generally directly puts into the battery box with the lithium cell, fixes through the bolt, and general car all can have certain damper in addition, prevents that the car from jolting and causing the damage to the lithium cell, but general damper all exposes externally, and the ash that falls very easily, the dust can reduce damper's life greatly after falling into.
Disclosure of Invention
The invention aims to provide a protective damping mechanism of a vehicle-mounted lithium battery, which aims to solve the problems in the background technology.
For realizing above-mentioned purpose, provide a protective damper of on-vehicle lithium cell, including fixed supporting mechanism, damper and the top cap of setting at the damper top, fixed supporting mechanism includes the supporting seat, the top of supporting seat is equipped with damper, damper includes at least:
the shock absorption seat comprises four shock absorption seats, the four shock absorption seats are respectively arranged on the periphery of the top of the supporting seat, the four shock absorption seats are fixedly connected with the supporting seat, a square groove with a hollowed top is formed between the four shock absorption seats, accommodating grooves are formed in the positions, close to four corners, of the inner side wall of each shock absorption seat, fixing grooves are formed in the outer sides of the accommodating grooves, inner sliding grooves are formed between the fixing grooves and the accommodating grooves, outer sliding grooves are formed in the outer sides of the fixing grooves, movable grooves are formed in the tops of the fixing grooves, movable holes are symmetrically formed in the tops of the movable grooves, and the movable holes penetrate through the top wall of the shock absorption seat;
the damping device is arranged in the accommodating groove and comprises a damping outer tube, the damping outer tube is fixedly connected with the inner wall of the accommodating groove, a flange is arranged at one end, close to the inner side, of the damping outer tube, the damping outer tube is fixedly connected with the inner wall of the accommodating groove through the matching of a bolt and the flange, a damping inner rod is connected inside the damping outer tube in a sliding mode, a damping spring is arranged in a cavity between the damping inner rod and the damping outer tube, and two ends of the damping spring are fixedly connected with the inner wall of the damping outer tube and the damping inner rod respectively;
the fixing device comprises a movable frame, the movable frame is arranged in a movable groove and is movably connected with the movable groove, connecting rods are symmetrically arranged at the top of the movable frame and are slidably connected with the movable holes, a portable handle is arranged at the top of the connecting rods, the portable handle is of a U-shaped structure with a downward opening, a reset spring is fixedly connected to the bottom of the portable handle, and the bottom end of the reset spring is fixedly connected with the top wall of the shock absorption seat;
the pulling device comprises a pulling rod, the pulling rod is arranged on the outer side of the inner damping rod and fixedly connected with the inner damping rod, a sliding hole is formed in the position where the outer damping tube is intersected with the pulling rod, and the pulling rod is in sliding connection with the sliding hole, the inner sliding groove and the outer sliding groove;
remove the dish, remove the dish and set up in the fixed slot, just remove dish and pulling pole fixed connection, it is "toper" structure to remove the dish, the top and the bottom of adjustable shelf all are equipped with the joint dish, the joint dish is semicircular "toper" structure, the joint dish is carved with removing the dish and is closed mutually.
As a further improvement of this technical scheme, the central point at supporting seat top puts and has seted up the dashpot, be equipped with buffer in the dashpot, buffer includes the buffer board, buffer board and dashpot sliding connection, four corners of buffer board bottom are equipped with buffer spring, and buffer spring's inside is equipped with the gag lever post, and the position that the dashpot corresponds the gag lever post is seted up rather than the spacing groove that carries out sliding connection to carry out spacingly through gag lever post and spacing groove cooperation to buffer spring, avoid it to take place the distortion phenomenon.
As a further improvement of the technical scheme, the supporting seat top is provided with a positioning frame at the position around the buffer groove, the limiting plates are fixedly connected to the periphery of the top of the buffer plate, and the top surfaces of the limiting plates and the top surface of the buffer plate are located on the same horizontal plane.
As a further improvement of the technical scheme, four corners of the supporting seat are movably connected with mounting bolts, a protective ring is arranged around the top of each mounting bolt, the protective ring is fixedly connected with the supporting seat, and the protective ring is connected with a protective cover through threads outside.
As a further improvement of the technical scheme, the opening end of the accommodating groove is inserted with the accommodating cover, a plurality of ventilation openings are formed in the shock absorption seat, the ventilation openings are circular through holes, filter screens are arranged at two ends of each ventilation opening, and the filter screens are fixedly connected with the inner walls of the ventilation openings.
As a further improvement of the technical scheme, the inside movable groove of pole in the shock attenuation, sliding connection has damping rod in advance in the movable groove, damping rod's outside fixedly connected with pressure disk in advance, damping spring is in advance connected with in one side that the pressure disk is close to damping spring, just the cavity radius that the movable groove is located damping spring position in advance is greater than the cavity radius of its both sides, and damping spring's one end is kept away from to damping rod in advance is "hemisphere" structure to arch power effect through "hemisphere" structure production improves damping spring's bearing capacity.
As a further improvement of the technical scheme, one end, far away from the damping spring, of the damping inner rod is provided with a stress disc, the radius of the stress disc is larger than that of the damping inner rod, the stress disc is fixedly connected with the damping inner rod, and one side, far away from the damping spring, of the stress disc is fixedly bonded with a protection pad.
As a further improvement of the technical scheme, the pulling rod is of an L-shaped structure, a pulling handle is arranged between the two pulling rods in the vertical direction, connecting blocks are arranged at two ends of the pulling handle, and the connecting blocks and the pulling rod are fixedly connected through bolts.
As a further improvement of the technical scheme, the two adjacent shock absorption seats are provided with reinforcing devices, each reinforcing device comprises a reinforcing block, reinforcing rods are arranged on the outer sides of the reinforcing blocks, fixing frames are arranged between the reinforcing rods and the reinforcing blocks, the fixing frames are fixedly connected with the reinforcing blocks and the reinforcing rods, and the reinforcing rods are fixedly connected with the shock absorption seats through bolts.
As a further improvement of the technical scheme, the top cap comprises a cap body, the cooperation of pegging graft of "square" recess that forms between lid and four shock absorbers, the top of lid is equipped with the closing plate, the top of lid still is equipped with the burden case, burden case and the inside heavy burden cavity of having seted up of lid, the top of heavy burden cavity is equipped with annotates the liquid mouth, the inside negative pressure plate that is equipped with of heavy burden cavity, negative pressure plate bottom is equipped with the depression bar, depression bar and lid diapire swing joint, the bottom fixedly connected with negative pressure disk of depression bar, the top of negative pressure disk is equipped with negative pressure spring.
Compared with the prior art, the invention has the following beneficial effects:
1. in this protective damper of on-vehicle lithium cell, the outer wall of lithium cell is hugged closely to pole in the elasticity effect that damping spring deformation produced makes the shock attenuation to frictional force that produces when laminating fixes the lithium cell, and in addition, jolting at the car and producing when vibrations, damping spring can also play the effect of certain shock attenuation buffering, protects the lithium cell, reduces the damage that vibrations caused it.
2. Among this protective damper of on-vehicle lithium cell, the elasticity that reset spring deformation produced drives the connecting rod and slides downwards along the movable orifice, and make joint dish and removal dish joint cooperation, then fix it, make the distance between interior pole of shock attenuation and the shock attenuation outer tube shorten, thereby accomodate pole and shock attenuation outer tube in the shock attenuation after shortening through accomodating the groove, thereby reduce the area of contact of damping device and dust, reduce the possibility that the dust falls on damping device, thereby the dirt-proof problem of damping device has been solved.
3. In the protective damping mechanism of the vehicle-mounted lithium battery, the negative pressure disc drives the negative pressure rod to move, and then partial vibration force is offset through the elastic action of the negative pressure spring and the gravity action generated by water, so that the damping effect is further realized.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is an exploded view of the whole structure of embodiment 1;
FIG. 3 is an exploded view of the structure of the fixed support mechanism of embodiment 1;
FIG. 4 is a disassembled view of the structure of the shock absorbing mechanism of embodiment 1;
FIG. 5 is a sectional view of a damper base structure according to embodiment 1;
FIG. 6 is a schematic view of the connection among the damping device, the fixing device and the pulling device in the embodiment 1;
FIG. 7 is a schematic sectional view showing the structure of a shock-absorbing device according to embodiment 1;
FIG. 8 is a schematic view of the structure of a fixing device according to embodiment 1;
FIG. 9 is an exploded view of the structure of the pulling apparatus of example 1;
FIG. 10 is a schematic view of a mounting bolt structure of embodiment 1;
FIG. 11 is a schematic view showing the overall structure of a cushion device according to embodiment 1;
FIG. 12 is a schematic view showing the structure of a reinforcing apparatus according to example 1;
FIG. 13 is a sectional view of the damper base according to embodiment 1;
fig. 14 is a schematic cross-sectional view of the top cover structure of example 1.
The various reference numbers in the figures mean:
100. a fixed support mechanism;
110. a supporting base; 111. a buffer tank; 112. a positioning frame; 113. installing a bolt;
114. a guard ring; 1141. a protective cover;
120. a buffer device;
121. a buffer plate; 1211. a buffer spring; 1212. a limiting plate;
200. a damping mechanism;
210. a shock absorbing seat;
211. a receiving groove; 2111. a storage cover; 2112. an inner chute;
213. fixing grooves; 2131. an outer chute;
214. a movable groove; 2141. a movable hole;
215. a vent; 2151. filtering with a screen;
220. a reinforcement device;
221. a reinforcing block;
222. a reinforcing rod; 2221. a fixed mount;
230. a damping device;
231. a shock absorbing outer tube; 2311. a slide hole; 2312. a damping spring;
232. a shock absorption inner rod; 2321. a force-bearing plate; 2322. a protective pad; 2323. a movable groove;
233. a pre-damper rod; 2331. a platen; 2332. a pre-damping spring;
240. a fixing device;
241. a movable frame; 2411. a clamping disc;
242. a connecting rod;
243. carrying the handle by hand; 2431. a return spring;
250. a pulling device;
251. pulling a rod; 2511. a movable tray;
252. pulling the grip; 2521. connecting blocks;
300. a top cover;
310. a cover body; 311. a sealing plate;
320. a weight box;
321. a load bearing cavity; 3211. a liquid injection port;
330. a negative pressure plate;
331. a negative pressure lever; 3311. a negative pressure spring; 3312. and a negative pressure plate.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Referring to fig. 1 to 14, the present embodiment provides a protective damping mechanism for a vehicle-mounted lithium battery, including a fixed supporting mechanism 100, a damping mechanism 200, and a top cover 300 disposed on the top of the damping mechanism 200, where the fixed supporting mechanism 100 includes a supporting base 110, the damping mechanism 200 is disposed on the top of the supporting base 110, the damping mechanism 200 includes four damping seats 210, four damping seats 210 are respectively disposed on the periphery of the top of the supporting base 110, the four damping seats 210 are fixedly connected to the supporting base 110, a "square" groove with a hollow top is formed between the four damping seats 210, an accommodating groove 211 is disposed on the inner side wall of each damping seat 210 near four corners, a fixing groove 213 is disposed on the outer side of the accommodating groove 211, an inner sliding groove 2112 is disposed between the fixing groove 213 and the accommodating groove 211, an outer sliding groove 2131 is formed in the outer side of the fixing groove 213, a movable groove 214 is formed in the top of the fixing groove 213, movable holes 2141 are symmetrically formed in the top of the movable groove 214, the movable holes 2141 penetrate through the top wall of the shock absorption seat 210, the shock absorption device 230 is arranged in the accommodating groove 211, the shock absorption device 230 comprises a shock absorption outer tube 231, the shock absorption outer tube 231 is fixedly connected with the inner wall of the accommodating groove 211, a flange is arranged at one end, close to the inner side, of the shock absorption outer tube 231, the shock absorption outer tube 231 is fixedly connected with the inner wall of the accommodating groove 211 through matching of bolts and the flange, a shock absorption inner rod 232 is slidably connected inside the shock absorption outer tube 231, a shock absorption spring 2312 is arranged in a cavity between the shock absorption inner rod 232 and the shock absorption outer tube 231, and two ends of the shock absorption spring 2312 are fixedly connected with the inner wall of the shock absorption outer tube 231 and the shock absorption inner rod 232 respectively;
damping device 230 is specifically when using in this embodiment, put into the lithium cell in the "square" recess that four shock attenuation seat 210 formed earlier, lateral wall and shock attenuation interior pole 232 contact all around at the in-process lithium cell of putting into, and extrude it, then shock attenuation interior pole 232 slides inwards along the inner wall of shock attenuation outer tube 231, shock attenuation interior pole 232 extrudees damping spring 2312 and makes it produce deformation, the elastic action that damping spring 2312 deformation produced makes shock attenuation interior pole 232 hug closely the outer wall of lithium cell, and the frictional force that produces when bumping through the laminating is fixed the lithium cell, in addition, when the car bumpy produces vibrations, damping spring 2312 can also play the effect of certain shock attenuation buffering, protect the lithium cell, reduce the damage that vibrations caused it.
In addition, the fixing device 240 includes a movable frame 241, the movable frame 241 is disposed in the movable groove 214, the movable frame 241 is movably connected with the movable groove 214, the top of the movable frame 241 is symmetrically provided with a connecting rod 242, the connecting rod 242 is slidably connected with the movable hole 2141, the top of the connecting rod 242 is provided with a handheld grip 243, the handheld grip 243 is a U-shaped structure with a downward opening, the bottom of the handheld grip 243 is fixedly connected with a return spring 2431, the bottom end of the return spring 2431 is fixedly connected with the top wall of the shock absorbing seat 210, the pulling device 250 includes a pulling rod 251, the pulling rod 251 is disposed at the outer side of the shock absorbing inner rod 232, the pulling rod 251 is fixedly connected with the shock absorbing inner rod 232, the crossing position of the shock absorbing outer tube 231 and the pulling rod 251 is provided with a sliding hole 2311, the pulling rod 251 is slidably connected with the sliding hole 2311, the inner chute 2112 and the outer chute 2131;
wherein, remove dish 2511 and set up in fixed slot 213, and remove dish 2511 and pulling pole 251 fixed connection, remove dish 2511 and be "toper" structure, the top and the bottom of adjustable shelf 241 all are equipped with joint dish 2411, and joint dish 2411 is semicircular "toper" structure, and joint dish 2411 wedges mutually with removing dish 2511.
In this embodiment, when the fixing device 240 and the pulling device 250 are used specifically, the inner damping rod 232 is pushed to move inward along the inner wall of the outer damping tube 231, then the inner damping rod 232 drives the pulling rod 251 to move along the inner walls of the sliding hole 2311, the inner sliding groove 2112 and the outer sliding groove 2131, then the moving disk 2511 moves in the fixing groove 213 through the movement of the pulling rod 251, and presses the clamping disk 2411, and the clamping disk 2411 drives the movable frame 241 to move upward along the movable groove 214 under the effect of the wedging force.
Continue to promote shock attenuation interior pole 232, removal dish 2511 has passed through behind joint dish 2411, the elasticity that reset spring 2431 deformation produced drives connecting rod 242 and follows activity hole 2141 and slide downwards, and make joint dish 2411 and removal dish 2511 joint cooperation, then fix it, make the distance between shock attenuation interior pole 232 and the shock attenuation outer tube 231 shorten, thereby accomodate pole 232 and shock attenuation outer tube 231 in the shock attenuation after shortening through accomodating groove 211, thereby reduce the area of contact of damping device 230 and dust, reduce the possibility that the dust falls on damping device 230, thereby the dirt-proof problem of damping device 230 has been solved.
When the shock absorbing device 230 is needed, the joint disc 2411 can be separated only by lifting the connecting rod 242, the movable frame 241 and the joint disc 2411 by the handle 243, and then the shock absorbing inner rod 232 is reset under the action of the elastic force of the sliding hole 2311.
In addition, buffer slot 111 has been seted up to the central point at supporting seat 110 top, be equipped with buffer 120 in the buffer slot 111, buffer 120 includes buffer 121, buffer 121 and buffer 111 sliding connection, four corners of buffer 121 bottom are equipped with buffer 1211, play the effect of buffering protection to the bottom of lithium cell through buffer 1211 and buffer 121 cooperation during the use, buffer 1211's inside is equipped with the gag lever post, buffer 111 corresponds the position of gag lever post and offers the spacing groove rather than carrying out sliding connection, thereby spacing buffer 1211 through gag lever post and the cooperation of gag lever post, avoid it to take place the distortion phenomenon.
Further, the position that supporting seat 110 top is located around buffer slot 111 is equipped with locating frame 112, during the use, carry on spacingly to the lithium cell through locating frame 112, make its accurate central point that falls on supporting seat 110 put, avoid the lithium cell to take place the skew when placing, fixedly connected with limiting plate 1212 all around at buffer board 121 top, the top surface of limiting plate 1212 is located same horizontal plane with the top surface of buffer board 121, thereby limiting plate 1212 increases the holding area at buffer board 121 top, carry on spacingly to buffer board 121 simultaneously.
Still further, there are mounting bolts 113 in the four corners swing joint of supporting seat 110, be equipped with guard ring 114 around mounting bolt 113's the top, guard ring 114 and supporting seat 110 fixed connection, and guard ring 114's outside threaded connection has protective cover 1141, make supporting seat 110 be connected with the car through the screw power effect that mounting bolt 113 produced during the use and fix, and rotate protective cover 1141, make it be connected with guard ring 114 and fix, seal mounting bolt 113's top, in order to reach the purpose of protecting mounting bolt 113 top, reduce the speed that mounting bolt 113 oxidized and rusted.
Specifically, it has accomodate lid 2111 to accomodate the open end of groove 211 to peg graft, it seals to accomodating groove 211 through accomodating lid 2111, further play dirt-proof effect, a plurality of vents 215 have been seted up to the inside of damper 210, vent 215 is "circular" through-hole, thereby ventilate through vent 215, dispel the heat that the lithium cell produced, avoid the unable effluvium of temperature to lead to the overheated ageing of accelerating lithium cell of temperature, vent 215's both ends all are equipped with filter screen 2151, filter screen 2151 and vent 215's inner wall fixed connection, filter the air of circulation through filter screen 2151, thereby reduce the entering volume of dust.
In addition, a movable groove 2323 is formed in the inner part of the shock absorption inner rod 232, a pre-shock absorption rod 233 is slidably connected in the movable groove 2323, a pressure plate 2331 is fixedly connected to the outer part of the pre-shock absorption rod 233, a pre-shock absorption spring 2332 is fixedly connected to one side, close to the shock absorption spring 2312, of the pressure plate 2331, the radius of a cavity, located at the position of the pre-shock absorption spring 2332, of the movable groove 2323 is larger than the radius of cavities on two sides of the movable groove, when the shock absorption inner rod vibrates, the outer wall of a lithium battery is firstly contacted with the shock absorption spring 2312 and extrudes the shock absorption spring 2312, the shock absorption spring 2312 compresses the pre-shock absorption spring 2332 through the pressure plate 2331, then the pre-shock absorption spring 2332 is compressed and deformed to generate elastic force to offset part of the shock absorption force, so that the shock absorption inner rod 232 is damped in advance, the shock absorption pressure is reduced, one end, far away from the shock absorption spring 2312, and the load capacity of the shock absorption spring 2312 is improved through the effect generated by the 'hemisphere' structure.
Further, the one end that damping spring 2312 was kept away from to shock attenuation interior pole 232 is equipped with atress dish 2321, the radius of atress dish 2321 is greater than shock attenuation interior pole 232, thereby increase the area of contact of shock attenuation interior pole 232, increase the frictional force of shock attenuation interior pole 232 and lithium cell contact, improve fixed stability, and atress dish 2321 and shock attenuation interior pole 232 fixed connection, one side bonding that damping spring 2312 was kept away from to atress dish 2321 is fixed with protection pad 2322, the elasticity through protection pad 2322 self plays the effect of protection to the lithium cell.
Furthermore, the pulling rods 251 are L-shaped, a pulling handle 252 is disposed between the two pulling rods 251 in the vertical direction, connecting blocks 2521 are disposed at two ends of the pulling handle 252, and the connecting blocks 2521 are fixedly connected to the pulling rods 251 through bolts, so that the two pulling rods 251 in the vertical direction form an integral structure, the convenience of operation is improved, and the operation time is saved.
In addition, a reinforcing device 220 is arranged between two adjacent shock absorbing seats 210, the reinforcing device 220 comprises a reinforcing block 221, a reinforcing rod 222 is arranged on the outer side of the reinforcing block 221, a fixing frame 2221 is arranged between the reinforcing rod 222 and the reinforcing block 221, the fixing frame 2221, the reinforcing block 221 and the reinforcing rod 222 are fixedly connected, and the reinforcing rod 222 and the shock absorbing seats 210 are fixedly connected through bolts, so that the connection of the shock absorbing seats 210 is reinforced through the cooperation of the reinforcing block 221 and the reinforcing rod 222, and the stability of the shock absorbing seats 210 in use is improved.
In addition, the top cap 300 includes a cap body 310, the cap body 310 is inserted into and matched with a square groove formed between the four shock absorbing bases 210, a sealing plate 311 is disposed on the top of the cap body 310, the cap body 310 is limited by the sealing plate 311 and sealed by the square groove, a load box 320 is further disposed on the top of the cap body 310, load cavities 321 are disposed inside the load box 320 and the cap body 310, a liquid filling port 3211 is disposed on the top of the load cavity 321, a negative pressure plate 330 is disposed inside the load cavity 321, a negative pressure rod 331 is disposed at the bottom of the negative pressure plate 330 and movably connected with the bottom wall of the cap body 310, a negative pressure plate 3312 is fixedly connected to the bottom of the negative pressure rod 331, a negative pressure spring 3311 is disposed on the top of the negative pressure plate 3312, when the lithium battery pack is used, liquid is filled into the load cavity 321 through the liquid filling port 3211, preferably water is used, the water is convenient to obtain at low cost, then the cap body 310 is tightly attached to the top wall of the shock absorbing bases 210 under the action of the water, in addition, the water pressure plate 330 and the negative pressure plate 3311 and the shock absorbing force of the lithium battery pack are offset the shock absorbing bases 3311, and the shock absorbing force of the negative pressure plate 3312, and the shock absorbing base is generated by the shock absorbing spring 3311.
The foregoing shows and describes the general principles, essential 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 (10)
1. The utility model provides a protective damper of on-vehicle lithium cell, includes fixed supporting mechanism (100), damper (200) and sets up top cap (300) at damper (200) top, its characterized in that: fixed supporting mechanism (100) includes supporting seat (110), the top of supporting seat (110) is equipped with damper (200), damper (200) include at least:
the shock absorption seat comprises four shock absorption seats (210), the four shock absorption seats (210) are respectively arranged on the periphery of the top of a supporting seat (110), the four shock absorption seats (210) are fixedly connected with the supporting seat (110), a square groove with a hollowed-out top is formed among the four shock absorption seats (210), a containing groove (211), an inner sliding groove (2112), a fixing groove (213) and an outer sliding groove (2131) are sequentially arranged at the position, close to four corners, of the inner side wall of the shock absorption seat (210) from inside to outside, movable grooves (214) are symmetrically arranged on the plane where the fixing groove (213) is located from left to right, movable holes (2141) are formed in the top of the movable grooves (214), and the movable holes (2141) penetrate through the top wall of the shock absorption seats (210);
the shock absorption device (230) is arranged in the accommodating groove (211), the shock absorption device (230) comprises a shock absorption outer tube (231), the shock absorption outer tube (231) is fixedly connected with the inner wall of the accommodating groove (211), a shock absorption inner rod (232) is connected to the inside of the shock absorption outer tube (231) in a sliding mode, a shock absorption spring (2312) is arranged in a cavity between the shock absorption inner rod (232) and the shock absorption outer tube (231), and two ends of the shock absorption spring (2312) are fixedly connected with the inner wall of the shock absorption outer tube (231) and the shock absorption inner rod (232) respectively;
the fixing device (240) comprises a movable frame (241), the movable frame (241) is arranged in the movable groove (214), the movable frame (241) is movably connected with the movable groove (214), a connecting rod (242) is symmetrically arranged at the top of the movable frame (241), the connecting rod (242) is slidably connected with the movable hole (2141), a portable handle (243) is arranged at the top of the connecting rod (242), the portable handle (243) is of a U-shaped structure with a downward opening, a return spring (2431) is fixedly connected at the bottom of the portable handle (243), and the bottom end of the return spring (2431) is fixedly connected with the outer side of the top wall of the shock absorption seat (210);
the device comprises a pulling device (250), wherein the pulling device (250) comprises a pulling rod (251), the pulling rod (251) is arranged on the outer side of a shock absorption inner rod (232), the pulling rod (251) is fixedly connected with the shock absorption inner rod (232), a sliding hole (2311) is formed in the crossing position of a shock absorption outer tube (231) and the pulling rod (251), and the pulling rod (251) is in sliding connection with the sliding hole (2311), an inner sliding chute (2112) and an outer sliding chute (2131);
the movable plate is characterized by comprising a movable plate (2511), one end of the movable plate (2511) is arranged in a fixed groove (213), the movable plate (2511) is sleeved and fixed on a pulling rod (251), the movable plate (2511) is of a conical structure, clamping plates (2411) are arranged at the top and the bottom of the movable frame (241), the clamping plates (2411) are of semicircular conical structures, and the clamping plates (2411) are wedged and combined with the other end of the movable plate (2511).
2. The protective damping mechanism for a vehicle lithium battery of claim 1, wherein: buffer slot (111) have been seted up to the central point of supporting seat (110) top, be equipped with buffer (120) in buffer slot (111), buffer (120) include buffer board (121), buffer board (121) and buffer slot (111) sliding connection, four corners of buffer board (121) bottom are equipped with buffer spring (1211).
3. The protective damping mechanism for a vehicle lithium battery of claim 2, characterized in that: the position that supporting seat (110) top is located around buffer slot (111) is equipped with locating frame (112), fixedly connected with limiting plate (1212) all around at buffer board (121) top, the top surface of limiting plate (1212) and the top surface of buffer board (121) are located same horizontal plane.
4. The protective damping mechanism for a vehicle lithium battery of claim 3, characterized in that: four corners swing joint of supporting seat (110) have construction bolt (113), be equipped with guard ring (114) around construction bolt (113)'s the top, guard ring (114) and supporting seat (110) fixed connection, just the outside threaded connection of guard ring (114) has protective cover (1141).
5. The protective damping mechanism for a vehicle lithium battery of claim 1, wherein: the opening end of the accommodating groove (211) is inserted with an accommodating cover (2111), a plurality of ventilation openings (215) are formed in the shock absorption seat (210), the ventilation openings (215) are circular through holes, filter screens (2151) are arranged at two ends of the ventilation openings (215), and the filter screens (2151) are fixedly connected with the inner walls of the ventilation openings (215).
6. The protective damping mechanism for a vehicle lithium battery of claim 1, wherein: the damping inner rod (232) is internally provided with a movable groove (2323), the movable groove (2323) is connected with a pre-damping rod (233) in a sliding manner, a pressure plate (2331) is fixedly sleeved on the pre-damping rod (233), a pre-damping spring (2332) is sleeved on the pre-damping rod (233), the radius of a cavity where the pre-damping spring (2332) and the pressure plate (2331) are located in the movable groove (2323) is larger than the radius of the cavities on two sides of the movable groove, the outer diameters of the pre-damping spring (2332) and the pressure plate (2331) are smaller than the diameter of the cavity where the pre-damping spring is located and larger than the diameters of the cavities on two sides of the pressure plate, and the pressure plate (2331) is located on one side, far away from the damping spring (2312), in the cavity where the pressure plate (2331) is located.
7. The protective damping mechanism for on-vehicle lithium batteries of claim 6, characterized in that: one end, far away from the damping spring (2312), of the damping inner rod (232) is provided with a stress disc (2321), the radius of the stress disc (2321) is larger than that of the damping inner rod (232), the stress disc (2321) is fixedly connected with the damping inner rod (232), and a protection pad (2322) is fixedly bonded to one side, far away from the damping spring (2312), of the stress disc (2321).
8. The protective damping mechanism for on-vehicle lithium batteries according to claim 1, characterized in that: the pulling rod (251) is of an L-shaped structure, a pulling handle (252) is arranged between the two pulling rods (251) in the vertical direction, connecting blocks (2521) are arranged at two ends of the pulling handle (252), and the connecting blocks (2521) are fixedly connected with the pulling rod (251) through bolts.
9. The protective damping mechanism for on-vehicle lithium batteries according to claim 5, characterized in that: all be equipped with reinforcing apparatus (220) between adjacent two shock attenuation seat (210), reinforcing apparatus (220) are including reinforcing piece (221), the outside of reinforcing piece (221) is equipped with reinforcing rod (222), be equipped with mount (2221) between reinforcing rod (222) and reinforcing piece (221), mount (2221) and reinforcing piece (221) and reinforcing rod (222) are fixed connection, just reinforcing rod (222) pass through bolted connection with shock attenuation seat (210) and fix.
10. The protective damping mechanism for on-vehicle lithium batteries according to claim 1, characterized in that: the utility model discloses a shock absorber, including top cap (300), lid (310) and four shock-absorbing seat (210) between "square" recess grafting cooperation of formation, the top of lid (310) is equipped with closing plate (311), the top of lid (310) still is equipped with heavy burden case (320), heavy burden case (320) and lid (310) inside have been seted up heavy burden cavity (321), the top of heavy burden cavity (321) is equipped with annotates liquid mouth (3211), the inside negative pressure board (330) that is equipped with of heavy burden cavity (321), negative pressure board (330) bottom is equipped with negative pressure pole (331), negative pressure pole (331) and lid (310) diapire swing joint, the bottom fixedly connected with negative pressure dish (3312) of negative pressure pole (331), the top of negative pressure dish (3312) is equipped with negative pressure spring (3311).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011237738.1A CN112366409B (en) | 2020-11-09 | 2020-11-09 | Protective damping mechanism of vehicle-mounted lithium battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011237738.1A CN112366409B (en) | 2020-11-09 | 2020-11-09 | Protective damping mechanism of vehicle-mounted lithium battery |
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| CN112366409A CN112366409A (en) | 2021-02-12 |
| CN112366409B true CN112366409B (en) | 2022-11-01 |
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| JP2000337419A (en) * | 1999-05-25 | 2000-12-05 | Tokico Ltd | Hydraulic buffer |
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| US9080823B1 (en) * | 2014-11-18 | 2015-07-14 | Dimitrios Mantas | Buffer assembly |
| JP2017015244A (en) * | 2015-06-30 | 2017-01-19 | 日立オートモティブシステムズ株式会社 | Cylinder device |
| CN107768568A (en) * | 2017-10-17 | 2018-03-06 | 安徽天鹅科技实业（集团）有限公司 | A kind of anticollision shock-absorbing type battery supply shell |
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| CN210349938U (en) * | 2019-10-11 | 2020-04-17 | 深圳市嘉瑞泰格科技有限公司 | Lithium cell shock attenuation protection device that insulates against heat |
| CN110733327A (en) * | 2019-11-18 | 2020-01-31 | 重庆三峡学院 | fixing device for power battery of electric motor coach |
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