Structure for improving strength of power battery of new energy automobile
Technical Field
The invention relates to the technical field of new energy batteries, in particular to a structure for improving strength of a new energy automobile power battery.
Background
Along with the enhancement of environmental protection concepts and the development of technologies, new energy gradually replaces the dominant position of traditional energy, and the rapid development of new energy automobile industry is also caused. In the prior art, the new energy automobile generally uses electric power as power or electric and oil mixture, but uses batteries as power sources, and the safety of the batteries is particularly important. The battery of the new energy automobile has higher requirements on impact resistance so as to protect the battery to continuously and stably output electric power, and compared with the traditional automobile, the battery of the new energy automobile has the characteristics that when the power battery with high energy and large mass is extruded and damaged in the collision, the battery of the new energy automobile possibly causes fire and explosion.
In electric automobile's battery installation, the battery is generally installed on the chassis of car, the battery box needs to consider the life of battery in the installation, generally need adopt certain shock attenuation means to protect the battery box, current new energy automobile is when protecting the battery, mostly all through installing the protection bottom plate at the battery box bottom for can protect the battery when receiving the collision of ground protruding thing when the vehicle is traveling, and protection is comparatively weak around the battery, because current side protection generally all constitutes through components such as soft shell, it is inconvenient for abundant impact energy of foreign matter to absorb, and then be unfavorable for current new energy automobile battery protection component to possess better anticollision performance, so that take place internal short circuit and even fire explosion's danger.
Based on the structure, the novel energy automobile power battery has the advantage that the structure for improving the strength can overcome the defects of the conventional device.
Disclosure of Invention
The invention aims to provide a structure for improving the strength of a power battery of a new energy automobile, which aims to solve the problem that the side surface of a battery module is inconvenient to fully absorb foreign objects in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides a new energy automobile power battery improves structure of intensity, includes installation end cover and protection outer box, installation end cover bottom fixed mounting is equipped with battery end case, battery end case inside is used for installing the battery module, battery end case outside fixed mounting is equipped with the protection inner box, installation end cover bottom fixed mounting is equipped with the fixed frame, the fixed frame slides and establishes inside the protection outer box, protection outer box passes through screw and fixed frame fixed connection, protection outer box outside symmetry is equipped with first mounting hole and second mounting hole, it is equipped with first slip curb plate and second slip curb plate to slide in first mounting hole and the second mounting hole respectively, first slip curb plate and second slip curb plate one side all symmetry are equipped with the fixing base, all hinge is equipped with the connecting rod on the fixing base, the equal hinge of connecting rod other end is equipped with first damping spring, first damping spring is fixed to be established on the mount pad, the mount pad is fixed to be established at protection outer box inside bottom, protection outer box inside is equipped with a plurality of and is used for first slip curb plate and second slip curb plate synchronous moving's linkage, protection outer end is equipped with a plurality of third mounting hole to prevent scraping the end, protection end is equipped with a plurality of third mounting hole to the protection end.
Based on the technical scheme, the invention also provides the following optional technical schemes:
In an alternative scheme, the linkage mechanism comprises a first rack, one sides of the first sliding side plate and the second sliding side plate are fixedly provided with the first rack, first gears are arranged on the first rack in a meshed mode, the first gears on one sides of the first sliding side plate and the second sliding side plate are respectively fixedly arranged on a first installation shaft and a second installation shaft, the first installation shafts and the second installation shafts are respectively rotatably arranged on a plurality of rotating plates, the rotating plates are respectively fixedly arranged at the bottom end inside the protective outer box, bevel gears are fixedly arranged at two ends of the first installation shafts and two ends of the second installation shafts, and the bevel gears at two ends of the first installation shafts are respectively meshed with bevel gears at one ends of the two second installation shafts.
In an alternative scheme, circular plates are fixedly arranged at two ends of the first installation shaft and the second installation shaft, and torsion springs are arranged between one side of the circular plates and one side of the rotating plate.
In an alternative scheme, the scraping prevention mechanism comprises scraping prevention strips, the scraping prevention strips are arranged in the third mounting holes in a sliding mode, a plurality of scraping prevention strips are fixedly arranged at the bottom end of the mounting bottom plate, a plurality of sliding sleeves are fixedly arranged at the upper end of the mounting bottom plate, fixing sleeves are sleeved at the upper ends of the sliding sleeves, second damping springs are fixedly arranged between the fixing sleeves and the inside of the sliding sleeves, the fixing sleeves are fixedly arranged at the bottom end of the protection inner box, the bottom ends of the scraping prevention strips are arranged in an arc mode, and the two ends of the scraping prevention strips are arranged in a chamfer mode.
In an alternative scheme, second racks are symmetrically arranged on four sides of the upper end of the mounting bottom plate, second gears are arranged on the second racks in a meshed mode, and the second gears are respectively and fixedly arranged on the first mounting shaft and the second mounting shaft.
In an alternative scheme, a piezoelectric sensor is fixedly arranged in a fixed sleeve at the middle part of the bottom end of the protection inner box, the triggering end of the piezoelectric sensor is clung to the output end of a spring telescopic rod, and the spring telescopic rod is fixedly arranged in a sliding sleeve at the middle part of the upper end of the mounting bottom plate.
In an alternative scheme, the inside of the first sliding side plate and the inside of the second sliding side plate are hollow, reinforcing grid plates are fixedly arranged in the first sliding side plate and the inside of the second sliding side plate, reinforcing rods are fixedly arranged at four corners of the protection outer box, and the inside of the protection inner box is honeycomb-shaped.
In an alternative scheme, fixed pipes are symmetrically arranged at two ends of the inner side of the fixed frame, limiting sliding blocks are slidably arranged in the fixed pipes, reset springs are fixedly arranged between one ends of the limiting sliding blocks and the inside of the fixed pipes, and limiting holes are formed in positions, corresponding to one ends of the limiting sliding blocks, of the protective outer box.
Compared with the prior art, the invention has the following beneficial effects:
According to the invention, the first sliding side plates and the second sliding side plates are respectively arranged on the periphery of the protection outer box in a sliding manner, the first sliding side plates and the second sliding side plates are connected with the working ends of the two first damping springs through the connecting rods, the first sliding side plates and the second sliding side plates are in meshed transmission through the bevel gears at the two ends of the first installation shaft and the second installation shaft, so that when any side of the protection outer box is impacted, the first damping springs can absorb the impact at the same time, the installation bottom plate is meshed with the second gear through the second racks, and the first damping springs and the second damping springs absorb the impact at the same time when any side of the periphery and the bottom end of the protection outer box is impacted, so that the battery module can be protected to the greatest extent.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the structure of the mounting end cap of the present invention.
Fig. 3 is a schematic view of a first sliding side plate according to the present invention.
Fig. 4 is a schematic structural view of a second sliding side plate according to the present invention.
Fig. 5 is a schematic view of the internal structure of the protective outer case of the present invention.
FIG. 6 is a schematic view of the connecting rod assembly of the present invention.
Fig. 7 is a schematic view of a limit slider according to the present invention.
FIG. 8 is a schematic view of the piezoelectric sensor of the present invention.
The reference numerals annotate 11 battery bottom case, 12 mounting end cap, 13 battery module, 14 protection inner case, 15 protection outer case, 16 first sliding side plate, 17 second sliding side plate, 18 connecting rod, 19 first damping spring, 20 first rack, 21 first gear, 22 first mounting shaft, 23 second mounting shaft, 24 bevel gear, 25 torsion spring, 26 scratch-proof bar, 27 mounting bottom plate, 28 fixed sleeve, 29 sliding sleeve, 30 second damping spring, 31 second rack, 32 second gear, 33 piezoelectric sensor, 34 spring telescopic rod, 35 reinforcing rod, 36 limit slide block, 37 return spring.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.
Example 1
In one embodiment, as shown in fig. 1-8, a structure for improving strength of a power battery of a new energy automobile comprises a mounting end cover 12 and a protective outer box 15, wherein a battery bottom box 11 is fixedly arranged at the bottom end of the mounting end cover 12, a battery module 13 is arranged in the battery bottom box 11, a protective inner box 14 is fixedly arranged at the outer side of the battery bottom box 11, a fixing frame is fixedly arranged at the bottom end of the mounting end cover 12, the fixing frame is slidably arranged in the protective outer box 15, the protective outer box 15 is fixedly connected with the fixing frame through screws, a first mounting hole and a second mounting hole are symmetrically arranged at the outer side of the protective outer box 15, a first sliding side plate 16 and a second sliding side plate 17 are slidably arranged in the first mounting hole and the second mounting hole respectively, fixing seats are symmetrically arranged at one side of the first sliding side plate 16 and one side of the second sliding side plate 17, the fixing seat is hinged with a connecting rod 18, the other end of the connecting rod 18 is hinged with a first damping spring 19, the first damping spring 19 is fixedly arranged on a mounting seat, the mounting seat is fixedly arranged at the bottom end inside the protection outer box 15, a plurality of linkage mechanisms for synchronously moving the first sliding side plate 16 and the second sliding side plate 17 are arranged inside the protection outer box 15, a plurality of third mounting holes are formed in the bottom end of the protection outer box 15, a scraping prevention mechanism for protecting the bottom end of the protection outer box 15 is arranged in the third mounting holes, and the first damping springs 19 on one side of the first sliding side plate 16 or the second sliding side plate 17 can absorb the impact conveniently through the linkage mechanisms when the first sliding side plate 16 or the second sliding side plate 17 is impacted;
The linkage mechanism comprises a first rack 20, wherein the first rack 20 is fixedly arranged on one side of a first sliding side plate 16 and one side of a second sliding side plate 17, a first gear 21 is meshed with the first rack 20, the first gears 21 on one side of the first sliding side plate 16 and one side of the second sliding side plate 17 are respectively fixedly arranged on a first installation shaft 22 and a second installation shaft 23, the first installation shafts 22 and the second installation shafts 23 are respectively rotatably arranged on a plurality of rotation plates, the rotation plates are respectively fixedly arranged at the bottom end inside a protective outer box 15, bevel gears 24 are respectively fixedly arranged at two ends of the first installation shafts 22 and the second installation shafts 23, the bevel gears 24 at two ends of the first installation shafts 22 are respectively meshed with the bevel gears 24 at one end of the two second installation shafts 23, when any one of the first sliding side plate 16 or the second sliding side plate 17 is impacted by external force during use, the first sliding side plate 16 or the second sliding side plate 17 slides into the protective outer box 15, meanwhile, the first sliding side plate 16 or the second sliding side plate 17 drives the first rack 20 to move, the first rack 20 is meshed with the first gear 21, so that the first gear 21 drives the first mounting shaft 22 or the second mounting shaft 23 to rotate, the rest of the first mounting shaft 22 and the rest of the second mounting shaft 23 rotate simultaneously due to the meshing transmission of the bevel gears 24 between the first mounting shaft 22 and the second mounting shaft 23, when the first mounting shaft 22 and the second mounting shaft 23 rotate, the rest of the first sliding side plate 16 and the second sliding side plate 17 slide into the protective outer box 15, the first damping springs 19 are compressed under the action of the connecting rod 18, the eight first damping springs 19 absorb external force simultaneously, so that the damage to the battery module 13 is relieved to the greatest extent, and notably, the damping springs in the application all adopt the existing parts, consisting of shock absorbing springs and dampers, so that the rebound of the first and second sliding side plates 16, 17 is reduced, the remaining shock absorbing members may be employed.
The first installation axle 22 and the second installation axle 23 both ends are all fixed and are equipped with the circular plate, all be equipped with torsional spring 25 between circular plate one side and the rotor plate one side, during the use, be convenient for receive external force striking at protection outer container 15, when external force withdraws again, torsional spring 25 can assist first installation axle 22 and second installation axle 23 to rotate to initial condition, and simultaneously when protection outer container 15 receives the striking, torsional spring 25 can absorb partial external force.
The scraping prevention mechanism comprises a scraping prevention bar 26, the scraping prevention bar 26 is arranged in the third mounting hole in a sliding manner, a plurality of scraping prevention bars 26 are fixedly arranged at the bottom end of a mounting bottom plate 27, a plurality of sliding sleeves 29 are fixedly arranged at the upper end of the mounting bottom plate 27, a fixed sleeve 28 is sleeved at the upper end of each sliding sleeve 29, a second damping spring 30 is fixedly arranged between each fixed sleeve 28 and the inside of each sliding sleeve 29, the fixed sleeve 28 is fixedly arranged at the bottom end of a protection inner box 14, the bottom end of each scraping prevention bar 26 is in an arc arrangement, and two ends of each scraping prevention bar 26 are in chamfer arrangement.
The four sides of the upper end of the mounting base plate 27 are symmetrically provided with second racks 31, the second racks 31 are respectively provided with second gears 32 in a meshed mode, the second gears 32 are respectively fixedly arranged on the first mounting shaft 22 and the second mounting shaft 23, when any one of the scraping prevention strips 26 is impacted, the scraping prevention strips 26 push the mounting base plate 27 to move, the mounting base plate 27 drives a plurality of second racks 31, the second racks 31 are meshed with the second gears 32 to drive the first mounting shaft 22 and the second mounting shaft 23 to rotate, and the impact is absorbed by the plurality of first damping springs 19 and the second damping springs 30.
The inside fixed piezoelectric sensor 33 that is equipped with of protection inner box 14 bottom middle part fixed sleeve 28, piezoelectric sensor 33 trigger end is hugged closely with spring telescopic link 34 output, spring telescopic link 34 is fixed to be established in mounting plate 27 upper end middle part slip sleeve 29, and during the use, when arbitrary first slip curb plate 16, second slip curb plate 17 and prevent scraping strip 26 received the striking, mounting plate 27 all can remove, and mounting plate 27 drives spring telescopic link 34 and removes for spring telescopic link 34 output is to piezoelectric sensor 33 trigger end application pressure, piezoelectric sensor 33 and external control part electric connection make the user know impact strength easily, and piezoelectric sensor 33 adopts current part simultaneously.
The inside cavity that all is of first slip curb plate 16 and second slip curb plate 17 sets up, the inside reinforcing grid that all is fixed of first slip curb plate 16 and second slip curb plate 17 is equipped with, the reinforcing rod 35 that all is fixed in protection outer case 15 four corners department, the inside cellular setting that is of protection inner box 14, during the use, through set up reinforcing grid at first slip curb plate 16 and second slip curb plate 17 middle part for alleviate the weight of first slip curb plate 16 and second slip curb plate 17 when using, increase the use intensity of first slip curb plate 16 and second slip curb plate 17 simultaneously, make first slip curb plate 16 and second slip curb plate 17 can bear great striking, through set up reinforcing rod 35 in protection outer case 15 four corners department for increase the use intensity in protection outer case 15 corner department, the inside cellular setting that is of protection inner case 14 simultaneously, make can alleviate the weight of protection inner case 14, the use intensity of protection inner case 14 can be increased simultaneously.
Example 2
The difference with the embodiment 1 is that the two ends of the inner side of the fixing frame are symmetrically provided with the fixing pipes, the inside of each fixing pipe is provided with a limiting slide block 36 in a sliding manner, a reset spring 37 is fixedly arranged between one end of each limiting slide block 36 and the inside of each fixing pipe, and a limiting hole is formed in a position corresponding to one end of each protecting outer case 15.
The above embodiment discloses a structure for improving strength of a power battery of a new energy automobile, wherein when any one of a first sliding side plate 16 or a second sliding side plate 17 is impacted by external force during running of the automobile, the first sliding side plate 16 or the second sliding side plate 17 slides into a protective outer box 15, meanwhile, the first sliding side plate 16 or the second sliding side plate 17 drives a first rack 20 to move, the first rack 20 is meshed with a first gear 21, the first gear 21 drives a first mounting shaft 22 or a second mounting shaft 23 to rotate, as the first mounting shaft 22 and the second mounting shaft 23 are meshed and driven by a bevel gear 24, the rest of the first mounting shaft 22 and the second mounting shaft 23 simultaneously rotate, when the first mounting shaft 22 and the second mounting shaft 23 rotate, the rest of the first sliding side plate 16 and the second sliding side plate 17 both slide into the protective outer box 15, so that under the action of a connecting rod 18, the first damping spring 19 is compressed, eight first damping springs 19 simultaneously absorb external force, simultaneously, and simultaneously when the first mounting shaft 22 and the second mounting shaft 23 rotate, the first gear 21 drives a second gear 32 and the second rack 32 are driven by the second rack 32, and the second rack 19 is simultaneously compressed, and a plurality of damping springs 30 are simultaneously absorbed by the second rack 30, and the damping springs are simultaneously compressed, and the second damping springs are simultaneously, and the first damping springs are simultaneously compressed and the second damping springs are simultaneously, and the damping springs are simultaneously compressed and are simultaneously, and the damping springs are compressed.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.