CN116039357A - Connection structure of bolt type quick-change automobile battery pack and new energy automobile body - Google Patents

Connection structure of bolt type quick-change automobile battery pack and new energy automobile body Download PDF

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Publication number
CN116039357A
CN116039357A CN202310000095.6A CN202310000095A CN116039357A CN 116039357 A CN116039357 A CN 116039357A CN 202310000095 A CN202310000095 A CN 202310000095A CN 116039357 A CN116039357 A CN 116039357A
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CN
China
Prior art keywords
battery pack
battery
blanking cover
automobile body
vehicle body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310000095.6A
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Chinese (zh)
Inventor
马继福
高健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IAT Automobile Technology Co Ltd
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IAT Automobile Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IAT Automobile Technology Co Ltd filed Critical IAT Automobile Technology Co Ltd
Priority to CN202310000095.6A priority Critical patent/CN116039357A/en
Publication of CN116039357A publication Critical patent/CN116039357A/en
Pending legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The invention relates to a connecting structure of a plug-in type quick-change automobile battery pack and a new energy automobile body, and relates to the technical field of electric automobiles. The invention relates to a connecting structure of a plug-in type quick-change automobile battery pack and a new energy automobile body, which comprises a battery end locking mechanism arranged at the side end of the battery pack, an automobile body end lock unlocking mechanism arranged at the side of the automobile body and a battery pack lifting mechanism; the battery Bao Ju lifting mechanism comprises a first lifting table and a second lifting table, a battery end opening pin matched with the battery end locking mechanism and a vehicle body end opening pin matched with the vehicle body end locking mechanism are arranged on the second lifting table, and the height of the battery end opening pin is higher than that of the vehicle body end opening pin. According to the connecting structure, the battery pack lifting mechanism is used for realizing the disassembling and locking processes of the battery pack and the new energy vehicle body, and the quick replacement and the installation of the battery pack can be realized through simple lifting control, so that the replacement time of the battery pack is obviously shortened.

Description

Connection structure of bolt type quick-change automobile battery pack and new energy automobile body
Technical Field
The invention relates to the technical field of electric automobiles, in particular to a connecting structure of a plug-in type quick-change automobile battery pack and a new energy automobile body.
Background
Electric vehicles have become a necessary direction for future vehicle development instead of fuel vehicles. Although the endurance mileage of the current electric automobile has reached 500km-700km, the battery charging time of the current electric automobile is usually longer, and replacing the battery pack becomes an effective scheme for solving the problem of long charging time. However, the battery pack of the electric vehicle has a large volume and a large weight, and if the connection structure of the battery pack and the new energy vehicle body is too complex, the battery pack will have low power conversion efficiency and high reliability. For example, the method of disassembling the battery pack by fastening the bolts has the problems of complex disassembly and low replacement efficiency; if the assembly structure of the electrical signal plug is adopted, a separate electrical system structure is required, which results in significant cost increase.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention aims to provide a connecting structure of a plug-in type quick-change automobile battery pack and a new energy automobile body.
The invention relates to a connecting structure of a plug-in type quick-change automobile battery pack and a new energy automobile body, which comprises a battery end locking mechanism arranged at the side end of the battery pack, an automobile body end lock unlocking mechanism arranged at the side of the automobile body and a battery pack lifting mechanism; the battery Bao Ju lifting mechanism comprises a first lifting table and a second lifting table, a battery end opening pin matched with the battery end locking mechanism and a vehicle body end opening pin matched with the vehicle body end locking mechanism are arranged on the second lifting table, and the height of the battery end opening pin is higher than that of the vehicle body end opening pin.
The second lifting table is arranged on the periphery of the first lifting table, and a plurality of second lifting tables are arranged corresponding to the battery end locking mechanism and the vehicle body end locking opening mechanism.
The battery end locking mechanism comprises a front blanking cover, a stop push rod, a locking spring, a reset spring, a rear blanking cover, a battery end shell, a stop sliding block and a bolt; the front blanking cover, the stop push rod, the stop sliding block and the rear blanking cover are arranged in the battery end shell, a plug pin is arranged in the stop sliding block, a locking spring is arranged at the rear end of the plug pin, the stop sliding block is arranged adjacent to the rear blanking cover, and the stop sliding block is connected with the rear blanking cover through a reset spring; the stop push rod is arranged adjacent to the front blanking cover, and a push rod inclined plane matched with the battery end opening pin is arranged below the stop push rod; and a battery end shell bolt hole allowing the bolt to pass through is formed in the side face of the battery end shell.
The front plug cover is fixed at the front end of the battery end shell, and the rear plug cover is fixed at the rear end of the battery end shell.
The front blanking cover, the rear blanking cover and the lower surface of the battery end shell are connected with a battery pack mounting bracket through bolts, and through holes allowing the battery end opening pins to pass through are formed in the lower surfaces of the battery pack mounting bracket and the battery end shell.
The automobile body end lock unlocking mechanism comprises an automobile body end shell, an automobile body end push rod, a front blanking cover and a rear blanking cover are arranged in the automobile body end shell, the automobile body end push rod is arranged between the front blanking cover and the rear blanking cover, the automobile body end push rod is connected with the rear blanking cover through a reset spring, and a push rod inclined plane matched with the automobile body end unlocking pin is arranged at the lower end of the automobile body end push rod; and a vehicle body end housing bolt hole allowing the bolt to pass through is formed on the side surface of the vehicle body end housing.
The front blanking cover and the rear blanking cover are fixedly connected with the vehicle body end shell, and the lower surfaces of the front blanking cover, the rear blanking cover and the vehicle body end shell are connected with the vehicle body side through fastening bolts.
Wherein the lower surfaces of the body side and the body end housing are provided with through holes allowing the body end opening pins to pass through.
Wherein, connection structure still includes battery package pretension protection architecture.
The battery pack pre-tightening protection structure comprises a metal stop block and a rubber buffer block, wherein the metal stop block and the rubber buffer block are arranged on the lower surface of a battery pack mounting bracket, a pre-tightening spring is arranged in the rubber buffer block, and the rubber buffer block is fixed on the lower surface of the battery pack mounting bracket through a pre-buried fastening bolt and a pre-buried nut in an injection molding mode.
Compared with the prior art, the connecting structure of the plug-in type quick-change automobile battery pack and the new energy automobile body has the following beneficial effects:
according to the connecting structure, the battery pack lifting mechanism is used for realizing the disassembling and locking processes of the battery pack and the new energy vehicle body, and the quick replacement and the installation of the battery pack can be realized through simple lifting control, so that the replacement time of the battery pack is obviously shortened.
Drawings
Fig. 1 is a layout position diagram of a connection structure of a plug-in quick-change automobile battery pack and a new energy automobile body of embodiment 1;
FIG. 2 is an external view schematically showing a lock mechanism in the connection structure of embodiment 1;
fig. 3 is a schematic diagram showing the engagement of the battery end lock mechanism and the vehicle body end lock release mechanism in the connection structure of embodiment 1;
fig. 4 is an internal cross-sectional view of the battery-side locking mechanism in the connection structure of embodiment 1;
FIG. 5 is an internal cross-sectional schematic view of a body end lock opening mechanism in the connecting structure of embodiment 1;
fig. 6 is an overall configuration diagram of a battery terminal locking mechanism in the connection structure of embodiment 1;
fig. 7 is a disassembled structure diagram of a battery terminal locking mechanism in the connection structure of embodiment 1;
fig. 8 is an overall structural view of a body end lock opening mechanism in the connection structure of embodiment 1;
fig. 9 is a disassembled structure view of a body end lock opening mechanism in the connection structure of embodiment 1;
fig. 10 is a schematic view of a battery pack pre-tightening protection mechanism in the connection structure of embodiment 1.
Detailed Description
The following describes the connection structure of the plug-type quick-change automobile battery pack and the new energy automobile body according to the specific embodiment, so as to help the person skilled in the art to understand the technical scheme of the invention more completely, accurately and deeply.
Example 1
Fig. 1 shows a plan layout position diagram of each component in a connection structure of a plug-in quick-change automobile battery pack and a new energy body of the present embodiment. The connecting structure comprises a battery end locking mechanism 10 arranged at the side end of a battery pack 50, a vehicle body end lock unlocking mechanism 20 arranged at a vehicle body side 60, a battery pack lifting mechanism 30 and a battery pack pre-tightening protection structure 40. According to the connecting structure, the bolts of the battery end locking mechanism 10 are inserted into the bolt holes of the automobile body end lock unlocking mechanism 20 through resilience of the springs, so that the connection between the battery pack and an automobile body is realized; the periphery of the battery pack is provided with a battery pack pre-tightening protection structure 40 so as to ensure the fastening and stability of the battery pack and limit the vibration-damping rubber and pre-tightening springs in the battery pack pre-tightening protection structure 40 for preventing the excessive lifting of the lifting table from being crushed; as shown in fig. 2, the battery Bao Ju lifting mechanism 30 includes a first lifting platform (not shown in the drawing) and a second lifting platform 33, the first lifting platform is used for lifting the battery pack, the first lifting platform and the second lifting platform cooperate to realize the mounting and dismounting of the battery pack, and the second lifting platform and the first lifting platform cooperate. The first lifting platform is of a conventional lifting structure and is used for lifting a battery pack, the second lifting platform 33 is provided with a battery end opening pin 31 matched with the battery end locking mechanism 10 and a vehicle body end opening pin 32 matched with the vehicle body end lock opening mechanism 20, and the height of the battery end opening pin 31 is higher than that of the vehicle body end opening pin 32. The invention can achieve the time delay effect by arranging the second lifting platform 33 and enabling the height of the battery end opening pin 31 to be higher than the height of the vehicle body end opening pin 32 so as to finish the sequential actions of the battery end and the vehicle body end locking mechanism. Referring to fig. 3-9, the battery end locking mechanism 10 includes a front cover 11, a stop push rod 12, a locking spring 13, a battery end return spring 14, a rear cover 15, a battery end housing 16, a stop slider 17, and a latch 18. The front blanking cover 11, the stop push rod 12, the stop sliding block 17 and the rear blanking cover 15 are arranged in the battery end shell 16, a plug pin 18 is arranged in the stop sliding block 17, a locking spring 13 is arranged at the rear end of the plug pin 18, the stop sliding block 17 is adjacent to the rear blanking cover 15, and the stop sliding block 17 is connected with the rear blanking cover 15 through a battery end reset spring 14. The stopper push rod 12 is disposed adjacent to the front plug 11, the front plug 11 is fixed to the front end of the battery end housing 16 by a bolt, and the rear plug 15 is fixed to the rear end of the battery end housing 16 by a bolt. The lower surfaces of the front blanking cover 11, the rear blanking cover 15 and the battery end housing 16 are connected with a battery pack mounting bracket 51 through fastening bolts. A push rod inclined surface matched with the battery end opening pin 31 is arranged below the stop push rod 12. As shown in fig. 4, the battery pack mounting bracket 51 and the lower surface of the battery terminal housing 16 are provided with through holes that allow the battery terminal opening pins 31 to pass therethrough. Battery terminal housing 16 is provided with battery terminal pin holes on its side. The body end lock opening mechanism 20 comprises a body end shell 24, a body end push rod 25, a front blanking cover 21 and a rear blanking cover 22 are arranged in the body end shell 24, the body end push rod 25 is arranged between the front blanking cover 21 and the rear blanking cover 22, and the body end push rod 25 is connected with the rear blanking cover 22 through a body end reset spring 23. The front and rear covers 21 and 22 are fixedly connected with the body end housing 24 by bolts, and the lower surfaces of the front and rear covers 21 and 22 and the body end housing 24 are connected with the body side 60 by fastening bolts. The lower end of the body end push rod 25 is provided with a push rod inclined surface matched with the body end opening pin 32. The body end housing 24 is provided with a body end pin opening for allowing the pin to pass therethrough. As shown in fig. 5, the lower surfaces of the body side 60 and the body end housing 24 are provided with through holes that allow the body end opening pins 32 to pass through. As shown in fig. 10, a battery pack pre-tightening protection structure 40 is disposed on the lower surface of the battery pack mounting bracket 51, the battery pack pre-tightening protection structure 40 includes a metal stop block 41 and a rubber buffer block 43 disposed on the upper surface of the battery pack mounting bracket 51, a pre-tightening spring 42 is disposed in the rubber buffer block 43, and the rubber buffer block 43 is fixed on the upper surface of the battery pack mounting bracket 51 through an injection-molded pre-embedded fastening bolt 44 and a nut 45. The rubber cushion block 43 has a height greater than that of the metal stopper block 41, so that the rubber cushion block 43 first contacts the vehicle body side to provide cushion protection. The battery pack pre-tightening protection structure 40 can play a role in limiting the lifting height of the battery pack, and can ensure that the lifting height of the battery pack is relatively stable. The metal stop block 41 and the rubber buffer block 43 arranged on the upper surface of the battery pack mounting bracket 51 can provide buffer protection for the battery pack, prevent accidents such as collision of the battery pack, increase the locking force of the battery locking mechanism bolt for compaction after the battery pack and the vehicle body side are mounted, and prevent the disengagement of the battery pack.
The installation process of the connection structure of the plug-in type quick-change automobile battery pack and the new energy automobile body is as follows:
the battery pack installation process comprises the following steps: the opening pin 31 is inserted into the battery end locking mechanism, the stop push rod 12 retreats, the battery end return spring 14 is compressed, and the battery end locking mechanism is opened; and then lifting the battery pack and the first lifting platform, lifting the battery pack, compressing the rubber buffer block 43 and the pre-tightening spring 42 in the battery pack pre-tightening protection structure 40, installing the battery pack in place after the first lifting platform touches the metal stop block 41, and completing the reset locking of the battery end locking mechanism 10 and the vehicle body end lock opening mechanism 20 under the action of the battery end reset spring 14 of the battery end locking mechanism 10 and the vehicle body end reset spring 23 of the vehicle body end lock opening mechanism 20, wherein the first lifting platform and the second lifting platform fall down simultaneously, and resetting the battery pack lifting mechanism to the initial position. In this embodiment, the latch 18 realizes telescopic movement under the action of the locking spring 13, the contact surface between the push rod 25 at the vehicle body end and the latch 18 is an inclined surface, and the movement of the push rod 25 at the vehicle body end can achieve the effect of ejecting the latch 18.
The battery pack disassembling process comprises the following steps: first lifting the first lifting table and the second lifting table simultaneously, and stopping lifting when the first lifting table contacts with the metal stop block 41; the latch 31 of the second lifting platform is inserted into the battery end locking mechanism, the stop push rod 12 retreats, the battery end return spring 14 is compressed, and the battery end locking mechanism is opened; the second lift table 33 continues to rise a preset distance (e.g., 25 mm) and is opened by the body end lock opening mechanism 20. The specific opening process of the vehicle body end lock opening mechanism 20 is as follows, the vehicle body end opening pin 32 firstly contacts the vehicle body end push rod 25, the second lifting platform 33 continuously ascends, the vehicle body end push rod 25 retreats, the vehicle body end return spring 23 compresses, the second lifting platform 33 continuously ascends for a preset distance (for example, 25 mm) and then stops, and the vehicle body end lock opening mechanism opens the bolt 18 to enable the bolt to retract into the battery end locking mechanism through compression rebound of the locking spring 13; then, the first and second lifting tables 33 are simultaneously lowered, and the initial position is restored, and the battery pack is completely removed.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (10)

1. A connection structure of bolt formula quick change car battery package and new forms of energy automobile body, its characterized in that: the battery pack lifting mechanism comprises a battery end locking mechanism arranged at the side end of a battery pack, a vehicle body end locking and unlocking mechanism arranged at the side of a vehicle body, and a battery pack lifting mechanism; the battery Bao Ju lifting mechanism comprises a first lifting table and a second lifting table, a battery end opening pin matched with the battery end locking mechanism and a vehicle body end opening pin matched with the vehicle body end locking mechanism are arranged on the second lifting table, and the height of the battery end opening pin is higher than that of the vehicle body end opening pin.
2. The plug-in quick-change automobile battery pack and new energy automobile body connecting structure according to claim 1, wherein: the second lifting platform is arranged on the periphery of the first lifting platform, and a plurality of second lifting platforms are arranged corresponding to the battery end locking mechanism and the vehicle body end locking opening mechanism.
3. The connection structure of the plug-in quick-change automobile battery pack and the new energy automobile body according to claim 1 or 2, characterized in that: the battery end locking mechanism comprises a front blanking cover, a stop push rod, a locking spring, a reset spring, a rear blanking cover, a battery end shell, a stop sliding block and a bolt; the front blanking cover, the stop push rod, the stop sliding block and the rear blanking cover are arranged in the battery end shell, a plug pin is arranged in the stop sliding block, a locking spring is arranged at the rear end of the plug pin, the stop sliding block is arranged adjacent to the rear blanking cover, and the stop sliding block is connected with the rear blanking cover through a reset spring; the stop push rod is arranged adjacent to the front blanking cover, and a push rod inclined plane matched with the battery end opening pin is arranged below the stop push rod; and a battery end shell bolt hole allowing the bolt to pass through is formed in the side face of the battery end shell.
4. The plug-in quick-change automobile battery pack and new energy automobile body connecting structure according to claim 3, wherein: the front blanking cover is fixed at the front end of the battery end shell, and the rear blanking cover is fixed at the rear end of the battery end shell.
5. The plug-in quick-change automobile battery pack and new energy automobile body connecting structure according to claim 3, wherein: the front blanking cover, the rear blanking cover and the lower surface of the battery end shell are connected with a battery pack mounting bracket through bolts, and through holes allowing the battery end opening pins to pass through are formed in the lower surfaces of the battery pack mounting bracket and the battery end shell.
6. The connection structure of the plug-in quick-change automobile battery pack and the new energy automobile body according to claim 1 or 2, characterized in that: the automobile body end lock unlocking mechanism comprises an automobile body end shell, an automobile body end push rod, a front blanking cover and a rear blanking cover are arranged in the automobile body end shell, the automobile body end push rod is arranged between the front blanking cover and the rear blanking cover, the automobile body end push rod is connected with the rear blanking cover through a reset spring, and a push rod inclined plane matched with the automobile body end unlocking pin is arranged at the lower end of the automobile body end push rod; and a vehicle body end housing bolt hole allowing the bolt to pass through is formed on the side surface of the vehicle body end housing.
7. The plug-in quick-change automobile battery pack and new energy automobile body connecting structure according to claim 6, wherein: the front blanking cover and the rear blanking cover are fixedly connected with the vehicle body end shell, and the lower surfaces of the front blanking cover, the rear blanking cover and the vehicle body end shell are connected with the vehicle body side through fastening bolts.
8. The plug-in quick-change automobile battery pack and new energy automobile body connecting structure according to claim 6, wherein: the lower surfaces of the body side and the body end housing are provided with through holes allowing the body end opening pins to pass through.
9. The plug-in quick-change automobile battery pack and new energy automobile body connecting structure according to claim 1, wherein: the connecting structure further comprises a battery pack pre-tightening protection structure.
10. The plug-in quick-change automobile battery pack and new energy automobile body connecting structure according to claim 9, wherein: the battery pack pre-tightening protection structure comprises a metal stop block and a rubber buffer block, wherein the metal stop block and the rubber buffer block are arranged on the lower surface of a battery pack mounting bracket, a pre-tightening spring is arranged in the rubber buffer block, and the rubber buffer block is fixed on the lower surface of the battery pack mounting bracket through a pre-buried fastening bolt and a pre-buried nut in an injection molding mode.
CN202310000095.6A 2023-01-01 2023-01-01 Connection structure of bolt type quick-change automobile battery pack and new energy automobile body Pending CN116039357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310000095.6A CN116039357A (en) 2023-01-01 2023-01-01 Connection structure of bolt type quick-change automobile battery pack and new energy automobile body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310000095.6A CN116039357A (en) 2023-01-01 2023-01-01 Connection structure of bolt type quick-change automobile battery pack and new energy automobile body

Publications (1)

Publication Number Publication Date
CN116039357A true CN116039357A (en) 2023-05-02

Family

ID=86115933

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310000095.6A Pending CN116039357A (en) 2023-01-01 2023-01-01 Connection structure of bolt type quick-change automobile battery pack and new energy automobile body

Country Status (1)

Country Link
CN (1) CN116039357A (en)

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