CN111717012A - Electric automobile battery fixed knot constructs and electric automobile - Google Patents
Electric automobile battery fixed knot constructs and electric automobile Download PDFInfo
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- CN111717012A CN111717012A CN201910160609.8A CN201910160609A CN111717012A CN 111717012 A CN111717012 A CN 111717012A CN 201910160609 A CN201910160609 A CN 201910160609A CN 111717012 A CN111717012 A CN 111717012A
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- support frame
- battery pack
- battery
- electric automobile
- locking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0455—Removal or replacement of the energy storages
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention relates to a battery fixing structure of an electric automobile and the electric automobile, wherein the fixing structure comprises a battery pack and a support frame arranged on a cross beam and a longitudinal beam of the electric automobile, the length direction of the electric automobile is defined as the x direction, the width direction of the electric automobile is defined as the y direction, two ends of the support frame in the y direction are respectively provided with a support frame baffle and a support frame opening, the support frame opening is used for the battery pack to enter and exit, the battery fixing structure also comprises at least one locking mechanism, the locking mechanism comprises a lock cylinder and a lock body, the lock cylinder is arranged on the support frame, and the lock body is arranged on the battery pack; the lock comprises a lock body and a battery pack, and is characterized in that the lock core is provided with a clamping groove, the lock body is provided with a plurality of locking pieces clamped with the clamping groove, and after the battery pack is placed in the support frame, the locking pieces are automatically locked in the clamping groove, so that the lock core and the lock body are locked. The invention can realize the quick battery replacement of the electric automobile, has low manufacturing cost and fatigue resistance, and effectively reduces the labor and time cost of battery replacement.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an electric automobile battery fixing structure and an electric automobile.
Background
With the development of science and technology and the guidance of national policies, electric vehicles will become a necessary development direction of the future automobile industry. At present, storage type energy supply modes such as lithium batteries, ternary batteries and the like are mainly adopted for electric automobiles. However, the endurance mileage of the power battery at the present stage is short, the charging facility is short, the primary charging time is too long, and if a quick charging mode is adopted, permanent damage can be caused to the power battery. Therefore, the power battery for the automobile needs to be replaced quickly, the battery replacement mode is adopted, and a user of the electric automobile does not need to buy the battery and can use a rental battery mode, so that the automobile cost is reduced.
In the prior art, the battery replacement of the electric vehicle mainly has two modes, one mode is bottom battery replacement, and the other mode is lateral drawing battery replacement. The lateral battery replacement is flexible and convenient, the requirement on equipment is low, and the lateral battery replacement has the following defects: (1) the side surface of the battery is exposed outside and is easy to be damaged by side impact; (2) the current battery end locking mechanism is not firm enough, and battery coating is thrown away in some cases. The bottom battery replacement is a mode of replacing the battery from the lower part of the chassis, and the battery pack is installed at the bottom of the automobile body, so that the battery is effectively protected, the safety is relatively improved, but the prior art has the following defects: (1) the requirement on the degree of mechanization is high, and the vehicle needs to be lifted when the battery is replaced, so that the outdoor operation is not facilitated; (2) the locking mechanism is mainly divided into two types: one is to adopt a linkage locking mechanism, the operation is simple, but faults are easy to occur, for example, a locking piece is blocked, difficult to detach or poor in installation, and the risk of dropping a battery pack exists in severe cases; the other method is to adopt bolts for locking, the structure of the method is simple, but the weight of the battery is borne by the bolts, the stress is large, and the threads are easy to be fatigue-damaged under the condition of frequent repeated assembly and disassembly.
Therefore, it is desirable to provide a battery fixing structure with fast battery replacement, long fatigue life and stable and reliable locking, so as to solve the above-mentioned problems in the prior art.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a battery fixing structure for an electric vehicle and an electric vehicle.
In order to solve the technical problems, the specific technical scheme of the invention is as follows:
the invention provides a battery fixing structure of an electric automobile, which comprises a battery pack and support frames arranged on a cross beam and a longitudinal beam of the electric automobile, wherein the length direction of the electric automobile is defined as the x direction, the width direction of the electric automobile is defined as the y direction, two ends of the support frame in the y direction are respectively provided with a support frame baffle and a support frame opening, and the support frame opening is used for the battery pack to enter and exit;
the battery pack locking device comprises a support frame, at least one locking mechanism and a locking mechanism, wherein the locking mechanism comprises a lock cylinder and a lock body, the lock cylinder is arranged on the support frame, and the lock body is arranged on the battery pack; the lock comprises a lock body and a battery pack, and is characterized in that the lock core is provided with a clamping groove, the lock body is provided with a plurality of locking pieces clamped with the clamping groove, and after the battery pack is placed in the support frame, the locking pieces are automatically locked in the clamping groove, so that the lock core and the lock body are locked.
In one embodiment, the lock body further comprises an outer sleeve and an inner sleeve, the inner sleeve cooperating with the lock cylinder; the cylinder wall of the inner sleeve is provided with a plurality of limiting through holes, and the locking piece can partially extend out of the limiting through holes and can be locked in the clamping groove; under the action of external force, the locking piece can move towards the outer sleeve along the limiting through hole, and then is separated from the clamping groove.
In a specific embodiment, a plurality of positioning pins are alternatively arranged on an end surface of the battery pack facing the support frame baffle and an inner end surface of the support frame baffle, and a plurality of positioning holes matched with the positioning pins are arranged on the other end surface of the battery pack, and after the battery pack is placed in the support frame, the positioning pins are matched with the positioning holes.
In a specific embodiment, guide rails are arranged at two upward ends x of the support frame, pulleys matched with the guide rails are arranged at two sides of the battery pack, and the inner diameter of the guide rails in the width direction is gradually reduced along the direction close to the baffle of the support frame.
Furthermore, the locking piece comprises a locking ball, a plurality of unlocking concave cavities are formed in the inner wall of the outer sleeve, and the unlocking concave cavities are provided with guide inclined planes for the locking ball to slide in or slide out; along with the relative reciprocating motion of the outer sleeve and the inner sleeve, the unlocking cavity and the limiting through hole can be staggered or overlapped; when the unlocking concave cavity and the limiting through hole are staggered, the locking ball can partially extend out of the limiting through hole and can be locked in the clamping groove; when the unlocking concave cavity is overlapped with the limiting through hole, the locking ball can move along the guide inclined plane and is embedded in the unlocking concave cavity, and then the locking ball is separated from the clamping groove.
In a specific embodiment, the positioning pin is a reducing positioning pin, and the outer diameter of the reducing positioning pin is gradually reduced along the direction close to the supporting frame baffle.
Preferably, one end of the guide rail close to the opening of the support frame is provided with a guide slope.
In a specific embodiment, guide rails are arranged at two upward ends of the support frame in the x direction, and a plurality of guide balls capable of rolling in the y direction are embedded in the guide rails and used for guiding the battery pack to enter and exit the support frame.
The invention provides an electric automobile which comprises a power battery and at least one electric automobile battery fixing structure, wherein the opening of the supporting frame is arranged at a side sill beam of the electric automobile, the side sill beam is provided with a recessed structure, and the battery pack can be embedded in the recessed structure.
In a specific embodiment, one end of the battery pack, which is matched with the opening of the support frame, is coated with an anti-collision baffle, and two side edges and a bottom edge of the anti-collision baffle are respectively matched with the threshold beam.
In another specific embodiment, the side sill beam is equipped with the apron, apron swing joint be in on automobile body stand and the side sill beam, the apron can shelter from the battery package.
By adopting the technical scheme, the battery fixing structure of the electric automobile and the electric automobile have the following beneficial effects:
1. the weight of the battery pack loaded with the power battery is borne by the support frame, and the locking mechanism does not bear the weight of the battery pack, so that the locking mechanism is prevented from being deformed or damaged due to long-term use.
2. According to the invention, through the positioning pin and the positioning hole which are simple in structure, the degree of freedom of the battery pack in the x direction and the z direction of the support frame is limited, and the possibility of the battery pack shaking in the directions is reduced.
3. The inner diameter of the guide rail in the width direction is gradually reduced along the direction close to the baffle of the support frame, and the clearance between the guide rail and the pulley of the battery pack is reduced, so that the degree of freedom of the battery pack in the x direction in the support frame is limited.
4. The locking mechanism adopts the geometric limitation of the locking piece and the clamping groove to realize the locking of the battery pack and the support frame, is safe and reliable, is wear-resistant and has large bearing capacity, and overcomes the problems of safety and durability; and the locking mechanism can also limit the freedom degrees of the battery pack in the x direction and the y direction in the support frame.
5. The invention can realize the quick battery replacement of the electric automobile, has low manufacturing cost and fatigue resistance, and effectively reduces the labor and time cost of battery replacement.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a front view of an electric vehicle battery mounting structure of the present invention;
FIG. 2 is a front view of the support stand;
fig. 3 is a top view of the battery pack;
FIG. 4 is a front view of the locking mechanism;
FIG. 5 is a front view of the lock cylinder;
figures 6 and 7 are cross-sectional views of the lock body and the locking member in the locked condition;
figures 8 and 9 are cross-sectional views of the lock body and locking member in the unlocked position.
Fig. 10 is a schematic structural view of an electric vehicle.
In the figure: 100-battery pack, 200-support frame, 300-locking mechanism, 400-side sill beam, 110-positioning pin, 120-pulley, 210-support frame baffle, 220-support frame opening, 230-I-shaped groove, 240-guide rail, 241-guide slope, 310-lock core, 311-clamp groove, 320-lock body, 321-outer sleeve, 322-inner sleeve, 330-locking piece, 340-limiting elastic element, 350-unlocking cavity and 351-guide slope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.
Referring to fig. 1 to 9, an electric vehicle battery fixing structure includes a battery pack 100 and a support frame 200 installed on a cross beam and a longitudinal beam of an electric vehicle, the length direction of the electric vehicle is defined as x direction, the width direction of the electric vehicle is defined as y direction, two ends of the support frame 200 in the y direction are respectively provided with a support frame baffle 210 and a support frame opening 220, the support frame opening 220 is used for the battery pack 100 to enter and exit, and the electric vehicle battery fixing structure is characterized in that: the battery pack further comprises at least one locking mechanism 300, which comprises a lock cylinder 310 and a lock body 320, wherein the lock cylinder 310 is arranged on the support frame 200, and the lock body 320 is arranged on the battery pack 100; the lock core 310 is provided with a clamping groove 311, the lock body 320 is provided with a plurality of locking pieces 330 clamped with the clamping groove 311, and after the battery pack 100 is placed in the support frame 200, the locking pieces 330 are automatically locked in the clamping groove 311, so that the lock core 310 and the lock body 320 are locked.
In addition, the height direction of the electric vehicle is defined as the z direction.
In the embodiment of the present specification, the lock body 320 further includes an outer sleeve 321 and an inner sleeve 322, the inner sleeve 322 is engaged with the lock cylinder 310; a plurality of limiting through holes are formed in the wall of the inner sleeve 322, and the locking piece 330 can partially extend out of the limiting through holes and can be locked in the clamping groove 311; under the action of external force, the locking member 330 can move towards the outer sleeve 321 along the limiting through hole, and then is separated from the clamping groove 311.
In some embodiments, the locking member 330 includes a locking ball, the inner wall of the outer sleeve 321 is provided with a plurality of unlocking cavities 350, and the unlocking cavities 350 have guiding inclined planes 351 for the locking ball to slide in or out; with the relative reciprocating motion of the outer sleeve 321 and the inner sleeve 322, the unlocking cavity 350 and the limiting through hole can be staggered or overlapped; when the unlocking concave cavity 350 and the limiting through hole are staggered, the locking ball can partially extend out of the limiting through hole, and further can be locked in the clamping groove 311; when the unlocking concave cavity 350 and the limiting through hole are overlapped, the locking ball can move along the guide inclined plane 351 and is embedded in the unlocking concave cavity 350, and then is separated from the clamping groove 311.
Preferably, the locking groove 311 is an annular groove, and the lock body 320 and the lock cylinder 310 are locked by fitting the locking balls into the annular groove. It should be noted that more than one annular groove may be provided in the lock cylinder 310, and more than one ring of locking balls may be provided in the lock body 320, each ring having a plurality of locking balls. The locking balls are made of metal materials, such as steel balls. The locking balls are wear-resistant and have large bearing capacity, so that the locking mechanism 300 has large bearing capacity, and can meet the requirements of no deformation, high bearing capacity and long service life after frequent disassembly and assembly while limiting the y-direction and x-direction freedom degrees of the battery pack 100 in the support frame 200.
Preferably, the lock cylinder 310 is disposed at two ends of the support frame opening 220, that is, on end surfaces of side frames at two sides of the support frame 200, which are far away from the support frame baffle 210, and the axial direction of the lock cylinder 310 is disposed along the y direction; the lock 320 is disposed at an end of the battery pack 100 remote from the support bracket baffle 210.
In some embodiments, a position-limiting elastic element 340 is installed between the outer sleeve 321 and the inner sleeve 322, and an elastic direction of the position-limiting elastic element 340 is consistent with an axial direction of the outer sleeve 321 and the inner sleeve 322; under the elastic force of the elastic limiting element 340, the outer sleeve 321 and the inner sleeve 322 can make relative reciprocating motion along the axial direction of the lock body 320; preferably, the elastic limit element 340 is a belleville spring.
In the embodiment of the present disclosure, a plurality of positioning pins 110 are alternatively disposed on an end surface of the battery pack 100 facing the support frame baffle 210 and an inner end surface of the support frame baffle 210, and another positioning hole matched with the positioning pins 110 is disposed on the other end surface, and after the battery pack 100 is placed in the support frame 200, the positioning pins are matched with the positioning holes. The positioning pins 110 can perform fixing and guiding functions during the process of inserting the battery pack 100 into the support frame 200.
In some embodiments, the diameter-variable positioning pin is tapered, and the diameter-variable positioning pin and the positioning hole can limit the x-direction and z-direction freedom of the battery pack 100 in the support frame 200 after being matched.
On the basis of the above embodiments, in some specific embodiments of the present disclosure, two side frames are disposed at two ends of the supporting frame 200 in the x direction, each side frame has an i-shaped slot 230, and the two side frames can respectively accommodate two side ends of the battery pack 100; the support bracket baffle 210 also has an i-shaped slot 230 with the end of the battery pack 100 facing the support bracket baffle 210. When the battery pack 100 completely enters the support frame 200, the bottom plate of the i-shaped groove 230 of the support frame baffle 210 can bear part of the load of the battery pack 100.
Further, guide rails 240 are disposed at two ends of the support frame 200 in the x direction, the guide rails 240 are disposed on the side walls of the side frames, pulleys 120 engaged with the guide rails 240 are disposed at two sides of the battery pack 100, and the rolling direction of the pulleys 120 is the same as the thickness direction of the battery pack 100. The inner diameter of the guide rail 240 in the width direction is gradually reduced as it approaches the support frame baffle 210. Thus, the degree of freedom in the z-direction after the battery pack 100 completely enters the support frame 200 is limited; preferably, the distance between the two side frames of the supporting frame 200 also gradually decreases in the direction approaching the supporting frame baffle 210, so as to limit the degree of freedom in the x direction after the battery pack 100 completely enters the supporting frame 200.
Further, the guide rail 240 is disposed on the bottom and/or top surface of the inner wall of the i-shaped groove 230 of the support frame 200, and the rolling axis of the pulley 120 is perpendicular to the thickness direction of the battery pack 100. The inner diameter of the guide rail 240 may gradually decrease as it approaches the bottom plate of the stand 200, and/or the distance between the two side frames may gradually decrease as it approaches the stand baffle 210.
Preferably, in the above embodiment, one end of the guide rail 240 near the support frame opening 220 is provided with a guide slope 241, which facilitates the preliminary coarse positioning of the preliminary battery pack 100, and guides the battery pack 100 to slide into the guide rail 240.
It should be noted that the i-grooves 230 on both sides may also be directly used as the guide rails 240, the pulleys 120 slide in the i-grooves 230, and the radial diameter of the i-grooves 230 gradually decreases in a direction approaching the support frame baffle 210, and/or the distance between the two side frames gradually decreases.
Preferably, a limiting step is provided on a path through which the pulley 120 rolls at one end of the two-side guide rail 240 and/or the i-shaped groove 230 near the support frame baffle 210, and two sides of the limiting step in the width direction are arc surfaces, so that a resistance can be provided when the pulley 120 of the battery pack 100 enters or exits the support frame 200, a signal that the battery pack 100 is about to be installed is provided, and a degree of freedom in the support frame 200 in the y direction of the battery pack 100 is limited. Preferably, after the battery pack 100 completely enters the support frame 200, the pulley 120 closest to the support frame stop 210 is located between the limit step and the support frame stop 210.
In other embodiments of the present disclosure, two ends of the support frame 200 in the x direction are provided with guide rails 240, and a plurality of guide balls capable of rolling in the y direction are embedded in the guide rails 240 for guiding the battery pack 100 to enter or exit the support frame 200. The guide balls are disposed on the side walls or the bottom surface of the side frames of the supporter 200. Preferably, the distance between the side frames is gradually reduced in a direction approaching the supporting frame baffle 210. It should be noted that the support frame 200 and the battery pack 100 may have the structural features of the above embodiments, that is, the support frame 200 has the i-shaped groove 230 and the guide rail 240, and the battery pack 100 has the pulley 120; the structural features of the above embodiments may not be provided.
In the embodiment of the present disclosure, the end surface of the battery pack 100 facing the support frame cover 210 and the support frame cover 210 are alternatively provided with a battery socket, and the other is provided with an electrical plug matching with the battery socket.
Based on the above embodiments, in one embodiment, referring to fig. 6 to 7, in a state where the limiting elastic element 340 is not stressed, the locking balls extend out of the limiting through holes, that is, in a normal state, the positions of the limiting through holes and the unlocking cavities 350 are staggered, and the extending portions of the locking balls can be matched with the annular grooves. Under the stress state of the elastic element, if the outer sleeve 321 moves relative to the inner sleeve 322, the limiting elastic element 340 is stressed and compressed, the limiting through hole is overlapped with the unlocking concave cavity 350, the locking ball enters the unlocking concave cavity 350, and the locking ball can be separated from the annular groove, so that the locking mechanism 300 is unlocked.
Referring to fig. 1-10, an electric automobile, includes power battery, still includes at least one above-mentioned electric automobile battery fixed knot and constructs, support frame opening 220 sets up electric automobile's side sill 400 department, side sill 400 is equipped with sunk structure, battery package 100 can the gomphosis be in the sunk structure.
When the model of the electric vehicle is large and the required electric load is large, a plurality of battery packs 100 may be installed.
Thus, after the battery pack 100 completely enters the support frame 200, the bearing units at the two ends of the y direction are the bottom surface of the support frame baffle 210 and the side sill beam 400 respectively, the design of the side sill beam 400 can not change or slightly change the height of the chassis of the electric vehicle, and the stability of the battery pack 100 in the electric vehicle is improved.
In some embodiments, the end of the battery pack 100 that is engaged with the opening 220 of the support frame is covered with an anti-collision baffle, and two sides and bottom of the anti-collision baffle are engaged with the threshold beam respectively. Preferably, the impact barriers are attached to the side sill beam 400 in a staggered manner to engage notches in the side sill beam 400 designed to accommodate the entry of the battery pack 100. Thus, a decrease in strength of the side sill beam 400 due to structural changes can be compensated for.
In other embodiments, the side sill beam 400 is provided with a cover plate that is movably connected to the body pillar and the side sill beam 400, and the cover plate can cover the battery pack 100. The cover plate is opened, the support frame opening 220 is exposed, and after the battery pack 100 is installed in the support frame 200, the cover plate is buckled on the vehicle body upright post and the side sill beam 400, so that the lateral protection effect is achieved.
In one embodiment, the battery pack 100 is installed by the battery pack 100 entering the support frame 200 from the guiding slope 241, and the battery pack 100 moves towards the inside of the support frame 200 under the action of the pulley 120 and/or the guiding balls; when the lock body 320 is contacted with the lock cylinder 310, the outer sleeve 321 or the inner sleeve 322 of the lock body 320 is pressed, the locking balls move along the guide inclined plane 351, and finally the locking balls are matched with the unlocking concave cavity 350; the battery pack 100 continues to move in the support frame 200 until the diameter-variable positioning pins are matched with the positioning holes, at the moment, the electric pins are butted with the electric socket, and the lock cylinder 310 is matched with the inner sleeve 322; the outer sleeve 321 or the inner sleeve 322 of the lock body 320 is loosened, the outer sleeve 321 or the inner sleeve 322 resets under the elastic force of the limiting elastic element 340, the locking balls slide out of the unlocking concave cavity 350 along the guide inclined plane 351 and extend out of the limiting through hole, the limiting through hole corresponds to the annular groove in position, and the locking balls are embedded in the annular groove, so that the locking of the lock body 320 and the lock cylinder 310 is realized. If the cover plate is arranged, the cover plate is buckled to finish the installation. The lateral installation of the battery pack 100 of the electric automobile is realized. The battery pack 100 is locked on the support frame 200 through the locking mechanism 300, and the stability of the battery pack in the x direction and the z direction in the support frame 200 is reinforced through the diameter-variable positioning pins.
Further, the battery pack 100 is disassembled by pressing down the outer sleeve 321 or the inner sleeve 322 of the lock body 320, the locking balls are pressed by the lock cylinder 310 and roll along the guide inclined plane 351 into the unlocking cavity 350 of the outer sleeve 321, the locking balls are separated from the annular groove, and the locking mechanism 300 is unlocked; a pulling force is applied to the battery pack 100 and the battery pack 100 slides out of the supporting bracket 200. The battery pack 100 of the electric automobile is laterally disassembled.
The installation and the dismantlement process of above-mentioned battery package 100 can utilize battery dismouting equipment to accomplish, and this process convenient and fast, operating procedure is simple, and is low to the requirement of battery dismouting equipment, can reduce cost.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides an electric automobile battery fixed knot constructs, includes battery package (100) and installs support frame (200) on electric automobile crossbeam and longeron, and the length direction of definition electric automobile is the x to, and the width direction of definition electric automobile is the y to, the y to both ends of support frame (200) are equipped with support frame baffle (210) and support frame opening (220) respectively, support frame opening (220) are used for battery package (100) business turn over, its characterized in that:
the battery pack locking device further comprises at least one locking mechanism (300) which comprises a lock cylinder (310) and a lock body (320), wherein the lock cylinder (310) is arranged on the support frame (200), and the lock body (320) is arranged on the battery pack (100);
the lock core (310) is provided with a clamping groove (311), the lock body (320) is provided with a plurality of locking pieces (330) clamped with the clamping groove (311), and after the battery pack (100) is placed into the support frame (200), the locking pieces (330) are automatically locked in the clamping groove, so that the lock core (310) and the lock body (320) are locked.
2. The battery fixing structure of an electric vehicle according to claim 1, wherein the lock body (320) further comprises an outer sleeve (321) and an inner sleeve (322), the inner sleeve (322) being engaged with the lock cylinder (310); the wall of the inner sleeve (322) is provided with a plurality of limiting through holes, and the locking piece (330) can partially extend out of the limiting through holes and can be locked in the clamping groove (311); under the action of external force, the locking piece (330) can move towards the outer sleeve (321) along the limiting through hole, and then is separated from the clamping groove (311).
3. The battery fixing structure of claim 1, wherein a plurality of positioning pins (110) are alternatively disposed on an end surface of the battery pack (100) facing the support frame baffle (210) and an inner end surface of the support frame baffle (210), and a plurality of positioning holes matched with the positioning pins (110) are disposed on the other end surface, and the positioning pins are matched with the positioning holes after the battery pack (100) is placed in the support frame (200).
4. The battery fixing structure of the electric vehicle according to claim 1, wherein guide rails (240) are disposed at two ends of the support frame (200) in the x direction, pulleys (120) engaged with the guide rails (240) are disposed at two sides of the battery pack (100), and an inner diameter of the guide rails (240) in the width direction is gradually reduced along a direction approaching the support frame baffle (210).
5. The battery fixing structure of an electric vehicle according to claim 2, wherein the locking member (330) comprises a locking ball, a plurality of unlocking cavities (350) are formed on the inner wall of the outer sleeve (321), and the unlocking cavities (350) are provided with guide slopes (351) for the locking ball to slide in or out;
the unlocking concave cavity (350) and the limiting through hole can be staggered or overlapped along with the relative reciprocating motion of the outer sleeve (321) and the inner sleeve (322);
when the unlocking concave cavity and the limiting through hole are staggered, the locking ball can partially extend out of the limiting through hole, and further can be locked in the clamping groove (311); when the unlocking concave cavity (350) is overlapped with the limiting through hole, the locking ball can move along the guide inclined plane (351) and is embedded in the unlocking concave cavity, and then the locking ball is separated from the clamping groove (311).
6. The battery fixing structure of an electric vehicle according to claim 3, wherein the positioning pin (110) is a diameter-variable positioning pin, and the outer diameter of the diameter-variable positioning pin gradually decreases in a direction approaching the support frame baffle (210).
7. The battery fixing structure of an electric vehicle according to claim 4, wherein one end of the guide rail (240) near the support frame opening (220) is provided with a guide slope (241).
8. The battery fixing structure of the electric vehicle as claimed in any one of claims 1 to 7, wherein guide rails (240) are disposed at two ends of the support frame (200) in the x direction, and a plurality of guide balls capable of rolling in the y direction are embedded in the guide rails (240) for guiding the battery pack (100) to enter and exit the support frame (200).
9. An electric vehicle, comprising a power battery, characterized by further comprising at least one electric vehicle battery fixing structure of any one of claims 1 to 8, wherein the support frame opening (220) is provided at a side sill beam (400) of the electric vehicle, the side sill beam (400) is provided with a recessed structure, and the battery pack (100) can be embedded in the recessed structure.
10. The electric automobile of claim 9, characterized in that the end of the battery pack (100) that fits into the support frame opening (220) is covered with an anti-collision baffle, and the two sides and bottom of the anti-collision baffle respectively fit into the threshold beam;
alternatively, the first and second electrodes may be,
be equipped with the apron on side sill roof beam (400), apron swing joint is on automobile body stand and side sill roof beam (400), the apron can shelter from battery package (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160609.8A CN111717012B (en) | 2019-03-04 | 2019-03-04 | Electric automobile battery fixed knot constructs and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160609.8A CN111717012B (en) | 2019-03-04 | 2019-03-04 | Electric automobile battery fixed knot constructs and electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111717012A true CN111717012A (en) | 2020-09-29 |
| CN111717012B CN111717012B (en) | 2021-09-14 |
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| CN201910160609.8A Active CN111717012B (en) | 2019-03-04 | 2019-03-04 | Electric automobile battery fixed knot constructs and electric automobile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023078206A1 (en) * | 2021-11-04 | 2023-05-11 | 宁德时代新能源科技股份有限公司 | Chassis of vehicle and vehicle |
| WO2023098720A1 (en) * | 2021-11-30 | 2023-06-08 | 奥动新能源汽车科技有限公司 | Quick-swap battery pack and electric vehicle including same |
| WO2024002052A1 (en) * | 2022-06-27 | 2024-01-04 | 奥动新能源汽车科技有限公司 | Quick-change support for electric vehicle, and electric vehicle including same |
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| CN111717012B (en) | 2021-09-14 |
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