CN113161671B

CN113161671B - Fast-assembling battery for electric passenger vehicle

Info

Publication number: CN113161671B
Application number: CN202110381537.7A
Authority: CN
Inventors: 孟明华; 蒋丽君
Original assignee: Jiangsu Huazi Automobile Industry Co ltd
Current assignee: Jiangsu Huazi Automobile Industry Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2022-11-01
Anticipated expiration: 2041-04-09
Also published as: CN113161671A

Abstract

The invention discloses a quick-assembly battery for an electric passenger vehicle. The battery box has the effect of quick installation, the first pull rod and the second pull rod which are arranged on two sides of the battery are repeatedly shaken to perform the lifting motion of the battery, the first support frame and the second support frame on the battery are embedded into the first support frame and the second support frame by matching with the installation position of the electric passenger car, the first stop block and the second stop block on the battery box body extend into the notches on the notch wheels to firmly lock the battery, the lifting bolt rod on the electric car extends into the bolt hole on the battery, and the connecting port is connected with the power-on part of the car, so that the battery is more stable.

Description

Fast-assembling battery for electric passenger vehicle

Technical Field

The invention relates to the technical field of electric automobiles, in particular to a quick-mounting battery for an electric passenger vehicle.

Background

Under the influence of the current global environment, people popularize electric vehicles greatly, and because the electric vehicles do not discharge gas and emissions which pollute the environment in the driving process, the electric vehicles are gradually accepted by the majority of people, but because the electric vehicle industry is still developing, a plurality of functions need to be perfected, the current problem is the largest battery problem, various problems can occur in the daily use process of the battery, the problem is firstly solved, the battery needs to be charged under the condition of no electric quantity, and a device which is instantly full of the electric quantity of the battery is not invented in the prior art, so that the problem is necessarily solved under the condition of urgent need of use, the battery replacement mode in the market is full of purpose, manpower and material resources need to be wasted, the replacement time is long, the problems in the prior art exist, and if the problem is not solved, the problem can certainly play a great impact on the rise of the electric vehicle industry.

In order to solve the problems, the inventor finds the source of the problems in the process, namely waste, in terms of manpower, material resources and financial resources, and a solution for avoiding the problems, namely changes in structure, the Chinese invention specification CN200710145801.7 discloses an automatic rapid plug-in drawer type electric vehicle battery box, wherein the battery box comprises a battery pack, an inner box body, an outer box body, a front door and a heavy-load full-pull-out slide way which are connected by battery monomers, the battery pack and the front door are connected together by a fastener, the battery pack is borne in the outer box body by the inner box body, the battery pack arranged in the inner box body can be pulled out from the outer box body through the heavy-load full-pull-out slide way arranged between the inner box body and the outer box body, and stable electric power output can be provided through an automatic rapid plug-in mechanism arranged at the rear parts of the inner box body and the outer box body. By the structural design, the whole battery pack is quickly assembled and disassembled, the safety problem of the lithium battery is solved, and the maintenance is convenient.

Such structural design sight has fast-assembling quick-release problem, but still has some problems, one of them: the battery pack still needs to be carried by people in the carrying process, so that the manpower is wasted; the second step is as follows: the battery pack with the structure has the stability problem, and the battery pack is easy to shake, so that the stability of a vehicle in the driving process is influenced.

Disclosure of Invention

The invention aims to provide a quick-mounting battery for an electric passenger vehicle, which is used for solving the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: a fast battery for electric passenger car is composed of a battery case with connection port, the first and the second supporting frames at both sides of said battery case, the first and the second supporting frames symmetrical to each other, the first and the second supporting frames with notch wheels, the first and the second blocks embedded in said battery case, the first and the second springs at both sides of said first and the second blocks, the first and the second blocks connected via steel wire, the third, the fourth, the fifth and the sixth blocks arranged in said case, the third and the fourth blocks symmetrically to each other, the third and the fourth blocks arranged under the first and the second blocks, the fifth and the sixth blocks symmetrically to each other, the pressing block arranged in said case, and the pressing block arranged on the pressing groove, when the pressing block is pressed by the steel wire, the pressing block and the pressing groove are linked to each other, and the pressing groove are under the pressing block, and the pressing block is pushed out by the pressing wire, the first support frame and the second support frame can move freely.

The structure design solves the basic battery installation problem, the structure is simple, the function of contracting the support frame is realized through the linkage function of the pulley block, the support frame has the function of locking the battery box body, and the linkage system is combined with the locking system, so that the basic effect of quick installation is realized.

The lower end of the battery box body is provided with an upper wedge block, one side of the upper wedge block is connected with a fourth spring, one end far away from the fourth spring is connected with a first gear through a steel wire, the fourth spring is connected onto the battery box body, a lower wedge block is arranged below the upper wedge block, one side of the lower wedge block is connected with a third spring, the third spring is connected onto the battery box body, one end far away from the third spring of the lower wedge block is connected with a second gear through the steel wire, the upper wedge block is connected with the lower wedge block through a roller set, the roller set is fixed onto the battery box body, the first gear is arranged on the battery box body, the second gear and the first gear are symmetrical about the middle surface of the battery box body, the upper wedge block and the lower wedge block play a linkage role under the action of the roller set, the upper wedge block moves upwards under the driving of the first gear and the second gear, and the lower wedge block moves downwards.

The first pull rod is connected with the battery box body through a first gear, the first clamping plate is arranged in the first pull rod along a shaft, one side of the first clamping plate is provided with a first clamping plate spring, the upper end of the first clamping plate is provided with a first arc plate, the lower part of the first gear is provided with a second clamping plate, the second clamping plate is arranged in the battery box body along a shaft, the lower end of the second clamping plate is provided with a first sliding plate, one side of the second clamping plate is provided with a second clamping plate spring, the second pull rod is connected with the battery box body through a second gear, the second pull rod is internally provided with a third clamping plate, the third clamping plate is arranged in the second pull rod along a shaft, the upper end of the third clamping plate is provided with a second arc plate, one side of the third clamping plate is provided with a third clamping plate spring, the lower part of the second gear is provided with a fourth clamping plate, the fourth clamping plate is arranged in the battery box body along a shaft, the lower end of the fourth clamping plate is provided with a second sliding plate, one side of the fourth clamping plate is provided with a fourth clamping plate spring, the first clamping plate and the second clamping plate extend into teeth of the first gear, the third clamping plate and the fourth clamping plate extend into teeth of the second gear, the clamping plates are arranged on the first spanner rod and the second spanner rod and on the battery box body, when the spanner rod is pulled, the clamping plates drive the first gear and the second gear to rotate, the first gear drives the upper wedge block, the upward upper wedge block touches and presses the pressing plate, the second gear drives the lower wedge block, the first sliding plate and the second sliding plate are detachable sliding plates, the first arc plate and the second arc plate are detachable arc plates, the battery box body and the battery are in a separated structure, the battery box body and the lower base are in a separated structure, the lower wedge block abuts against the lower base, the lower base moves downwards until contacting the ground, and when the battery is completely installed, the first sliding plate, the second sliding plate, the first arc plate and the second arc plate are detached to finish the loosening work of the spanner rod, the lower base will also return to its original position.

Such structural design logic is simple, through the mutual motion of voussoir, labour saving and time saving only needs to pull first pull rod and second pull rod in the installation, through the rotary motion of gear, drives the lift of voussoir and lower voussoir, and elevating movement will drive the battery box, and the installation is accomplished to the battery box, and the base of disconnect-type also can reach the effect that supports the battery box, goes up and down at the battery box, also plays very important effect.

This fast-assembling battery is still including supplementary tightening up the subassembly, this subassembly includes the bolt mouth, the shank of bolt, a motor, the battery upper end is provided with a bolt mouth, the motor sets up in the automobile body, the motor lower extreme is provided with the shank of bolt, the shank of bolt sets up in the bolt mouth top, the motor upper end is provided with short handle hydraulic stem, the lower extreme screw thread of shank of bolt is for colluding the form screw thread, be provided with the internal thread in the bolt mouth, the shank of bolt mouth lower extreme is slot form screw thread, the short handle hydraulic stem can be by manual control, the short handle hydraulic stem drives the motor and reciprocates, screw thread on the shank of bolt, can stretch into the bolt mouth on the battery, and drive battery rebound, reach supplementary effect, when colluding the form screw thread entering bolt mouth's of shank of bolt lower extreme, raise the motor, can accomplish the locking state.

The structure design achieves the effect of auxiliary installation, saves more labor in the installation process, increases a safety for locking the battery, and is simple in structure and easy to realize.

Lower base lower surface installs a plurality of universal wheel, and the universal wheel can increase the mobility of battery box, has made things convenient for the installation of battery more.

Compared with the prior art, the invention has the following beneficial effects: the invention realizes the effects of quick replacement and installation, the installation function can be realized only by pulling the pull rod in daily work, the installation becomes more labor-saving under the assistance of the auxiliary tightening device, the connection is more stable, the normal use of the vehicle is not influenced, the disassembly is simple and reliable as well, the pull rod is moved and the auxiliary tightening device is loosened as well, the battery can be quickly moved and disassembled under the action of the universal wheel arranged on the lower ground plate, the whole process is simple and easy, the battery cannot be damaged, the damage to the vehicle cannot be caused, and the battery is an independent battery, so that the independent disassembly and maintenance can be realized, and the assembly and the disassembly are easier.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic of the surface structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a side view of the present invention;

FIG. 5 is a schematic view of a partial enlarged structure of A of the present invention;

FIG. 6 is a schematic view of a partial enlarged structure of B of the present invention;

FIG. 7 is a schematic view of the construction of the connecting bolt of the present invention;

FIG. 8 is a schematic view of the structure of the battery mounting position of the present invention;

FIG. 9 is a partial enlarged structural view of C of the present invention;

reference numbers in the figures: 1. a first support frame; 1.1, a second support frame; 2. a first notched wheel; 2.1, a second notched wheel; 3. A first pulley; 3.1, a second pulley, 4 and a bolt port; 4.1, a short-handle hydraulic rod; 4.2, a motor; 4.3, bolt bar; 5 a first stopper; 5.1, a second stop block; 6. a first spring; 6.1 a second spring; 7. a battery case; 8. a third pulley; 8.1, a fourth pulley; 9. a first lever; 9.1, a second pull rod; 10 a first gear; 10.1, a second gear; 11. a first clamping plate; 11.1, a first arc plate; 11.2, a second clamping plate; 11.3, a second arc plate; 12. a third clamping plate; 12.1, a first sliding plate; 12.2, a fourth clamping plate; 12.3, a second sliding plate; 13. a third spring; 13.1, a fourth spring; 14. a roller group; 15. a universal wheel; 16. a fifth pulley; 16.1, a sixth pulley; 17. a pressing block; 18. an upper wedge block; 19. a lower wedge block; 20. a lower base; 21. a first catch plate spring; 21.1, a second catch plate spring; 21.2 a third card spring; 21.3, a fourth catch plate spring; 22. a steel wire; 23. a connecting port; 24. a battery; 25. and pressing the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides the following technical solutions:

a fast-assembling battery for an electric passenger car is provided, a battery 24 is arranged in a battery box body 7, a connecting port 23 is arranged at the upper end of the battery 24, a first support frame 1 and a second support frame 1.1 are arranged at two sides of the battery box body 7, the first support frame 1 and the second support frame 1.1 are symmetrical about the middle plane of the battery 24, a first gap wheel 2 and a second gap wheel 2.1 are respectively arranged at the first support frame 1 and the second support frame 1.1, a first pulley 3 and a second pulley 3.1 are arranged on the battery box body 7, the first pulley 3 and the second pulley 3.1 are symmetrical about the middle plane of the battery 24, a first stop block 5 and a second stop block 5.1 are respectively connected at one side of the first pulley 3 and the second pulley 3.1, the first stop block 5 and the second stop block 5.1 are embedded in the battery box body 7, a first spring 6 and a second spring 6.1 are respectively arranged at one side of the first stop block 5 and the second stop block 5.1, the first stop block 5 and the second stop block 5.1 are connected through a steel wire 22, the third pulley 8, the fourth pulley 8.1, the fifth pulley 16 and the sixth pulley 16.1 are arranged in the battery box 7, the third pulley 8 and the fourth pulley 8.1 are symmetrical about the middle surface of the battery 24, the third pulley 8 and the fourth pulley 8.1 are arranged below the first pulley 3 and the second pulley 3.1, the fifth pulley 16 and the sixth pulley 16.1 are symmetrical about the middle surface of the battery 24, the third pulley 3, the fourth pulley 3.1, the fifth pulley 16 and the sixth pulley 16.1 are arranged on the steel wire 22, the steel wire 22 is provided with a pressing block 17, the pressing block 17 is embedded into the pressing groove 25, the pressing groove 25 is arranged at the bottom of the battery 24, the fifth pulley 16 and the sixth pulley 16.1 are arranged at two sides of the pressing groove 25, a linkage system consisting of pulley blocks is important in the process, when the blocks are in a loose state, the first stop block 5 and the second block 5.1 have outward pushing force under the action of the first spring 6 and the second spring 6.1, when the notch wheel rotates to the position that the notch is parallel to the stop block, the stop block is pushed out to lock the first support frame 1 and the second support frame 1.1, when the pressing block 17 is pressed, the first stop block 5 and the second stop block 5.1 are retracted into the battery box body 7, and the first support frame 5 and the second support frame 5.1 can move freely.

An upper wedge block 18 is arranged at the lower end of the battery box body 7, one side, with a larger area, of the upper wedge block 18 is connected with a fourth spring 13.1, the fourth spring 13.1 is connected to the battery box body 7, one end, far away from the fourth spring 13.1, of the upper wedge block is connected with the first gear 10 through a steel wire, the first gear 10 is arranged on the battery box body 7, a lower wedge block 19 is arranged below the upper wedge block 18, one side, with a larger area, of the lower wedge block 19 is connected with a third spring 13, the third spring 13 is connected to the battery box body 7, one end, far away from the third spring 13, of the lower wedge block is connected with the second gear 10.1 through the steel wire, the second gear 10.1 is arranged on the battery box body 7, the upper wedge block 18 is connected with the lower wedge block 19 through a roller group 14, the roller group 14 is fixed on the battery box body 7, the second gear 10.1 is symmetrical with the middle face of the first gear 10 about the battery box body 7, the upper wedge block 18 and the lower wedge block 19 are isolated by the roller group 14, a linkage effect is achieved, the upper wedge block 10 and the lower wedge block 18 is driven by the first gear 10.1 to move upwards and move the lower wedge block 19.

The first wrench rod 9 is connected with the battery box 7 through a first gear 10, the first clamping plate 11 is arranged in the first wrench rod 9 along a shaft, a first clamping plate spring 21 is arranged on one side of the first clamping plate 11, a first arc plate 11.1 is arranged on the upper end of the first clamping plate 11, a second clamping plate 11.2 is arranged below the first gear 10, the second clamping plate 11.2 is arranged in the battery box 7 along a shaft, a first sliding plate 12.1 is arranged on the lower end of the second clamping plate 11.2, a second clamping plate spring 21.1 is arranged on one side of the second clamping plate 11.2, the second wrench rod 9.1 is connected with the battery box 7 through a second gear 10.1, a third clamping plate 12 is arranged in the second wrench rod 9.1 along a shaft, a second clamping plate spring 11.3 is arranged on the upper end of the third arc plate 12, a third clamping plate spring 21.2 is arranged on one side of the third clamping plate 12, a fourth gear 12.2 is arranged below the second gear 10.1, a fourth clamping plate spring 12.2 is arranged in the battery box 7 along a shaft, a second sliding plate 12.3 is arranged at the lower end of a fourth clamping plate 12.2, a fourth clamping plate spring 21.3 is arranged at one side of the fourth clamping plate 12.2, the first clamping plate 11 and the second clamping plate 11.2 extend into teeth of the first gear 10, the third clamping plate 12 and the fourth clamping plate 12.2 extend into teeth of the second gear 10.1, the clamping plates and the circular arc plates can block the clamping plates to limit the clamping plates, when the pulling rod is pulled, the clamping plates are arranged on the first pulling rod 9 and the second pulling rod 9.1 and on the battery box body 7, the clamping plates can drive the first gear 10 and the second gear 10.1 to rotate, the first gear 10 drives an upper wedge block 18, the upward upper wedge block 18 is in contact with a pressing plate 17, the second gear 10.1 drives a lower wedge block 19, the first sliding plate 12.1 and the second sliding plate 12.3 are detachable sliding plates, the first sliding plate 11.1 and the second circular arc plate 11.3 are detachable circular arc plates, and the battery box body 7 and the battery 24 are of a separated type, the battery box body 7 and the lower base 20 are in a separated structure, the lower wedge block 19 is abutted against the lower base 20, the lower base 20 moves downwards until contacting the ground, and when the installation is finished, the first sliding plate 12.1, the second sliding plate 12.3, the first arc plate 11.1 and the second arc plate 11.3 are removed to finish the loosening work of the pulling rod, and the lower base 20 returns to the original position.

The quick-assembly battery further comprises an auxiliary tightening assembly, the assembly comprises a bolt port 4, a bolt rod 4.3 and a motor 4.2, a bolt port 4 is arranged at the upper end of the battery 24, the motor 4.2 is arranged in a vehicle body, the bolt rod 4.3 is arranged at the lower end of the motor 4.2, the bolt rod 4.3 is arranged above the bolt port 4, a short-handle hydraulic rod 4.1 is arranged at the upper end of the motor 4.2, threads at the lower end of the bolt rod 4.3 are hook-shaped threads, internal threads are arranged in the bolt port 4, the lower end of the bolt port 4 is groove-shaped threads, the short-handle hydraulic rod 4.1 can be manually controlled, the short-handle hydraulic rod 4.1 drives the motor 4.2 to move up and down, threads on the bolt rod 4.3 can extend into the bolt port 4 on the battery 24 and drive the battery 24 to move up to achieve an auxiliary effect, and when the hook-shaped threads at the lower end of the bolt rod 4.3 enter the lower end of the bolt port 4, the motor is lifted up to complete a locking state.

Lower surface mounting has a plurality of universal wheel 15 under base 20, and universal wheel 15 can increase the mobility of battery box 7, has made things convenient for the installation more.

The working principle of the invention is as follows: after the battery is placed at the right position, the second pulling rod 9.1 is pulled, the battery box body 7 rises, after the second pulling rod 9.1 is fixed, the motor 4.2 is started, the bolt rod 4.3 on the motor 4.2 extends into the bolt opening 4 and slowly drives the battery box body 7 to move upwards until the battery box body 7 completely enters the automobile, the first pulling rod 9 is pulled until the first pulling rod 9 is fixed, after the bolt rod is fixed, the first sliding plate 12.1, the second sliding plate 12.3, the first arc plate 11.1 and the second arc plate 11.3 are detached, the lower base 20 rises until the battery box body is stable, the first supporting frame 1 and the second supporting frame 1.1 also extend into two ends of the battery mounting opening and are fixed, the short handle hydraulic rod 4.1 is controlled, the hydraulic rod rises, the battery is locked, the first sliding plate 12.1, the second sliding plate 12.3, the first arc plate 11.1 and the second arc plate 11.3 are installed, and the battery is connected with the battery connector 23.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electronic passenger car is with fast-assembling battery which characterized in that: the fast-assembly battery comprises a battery (24), a first support frame (1), a second support frame (1.1), a first pulley (3), a second pulley (3.1), a first notch wheel (2), a second notch wheel (2.1), a battery box body (7), a third pulley (8), a fourth pulley (8.1), a fifth pulley (16), a sixth pulley (16.1) and a pressing block (17), wherein the battery (24) is arranged in the battery box body (7), a connecting port (23) is arranged at the upper end of the battery (24), the first support frame (1) and the second support frame (1.1) are arranged at two sides of the battery box body (7), the first support frame (1) and the second support frame (1.1) are symmetrical about the middle surface of the battery (24), the first notch wheel (2) and the second notch wheel (2.1) are respectively arranged on the first support frame (1) and the second support frame (1.1), the first notch wheel (3) and the second notch wheel (2.1) are respectively connected with the second notch wheel (2.1), the first pulley (3) and the second notch wheel (3.5) are respectively arranged on the battery box body (7), the first support frame (3.1) and the second notch wheel (5) are respectively embedded in the second pulley (3.5), the second pulley (5) and the second block (5) are respectively arranged on one side of the second notch wheel (5), one side of each of the first stop block (5) and the second stop block (5.1) is provided with a first spring (6) and a second spring (6.1), the first stop block (5) and the second stop block (5.1) are connected through a steel wire line (22), a third pulley (8), a fourth pulley (8.1), a fifth pulley (16) and a sixth pulley (16.1) are arranged in the box body, the third pulley (8) and the fourth pulley (8.1) are symmetrical about the middle surface of the battery (24), the third pulley (8) and the fourth pulley (8.1) are arranged below the first pulley (3) and the second pulley (3.1), the fifth pulley (16) and the sixth pulley (16.1) are symmetrical about the middle surface of the battery (24), the third pulley (8), the fourth pulley (8.1), the fifth pulley (16) and the sixth pulley (16.1) are arranged on the steel wire line (22), the pressing block (22) is provided with a pressing block (17), and a pressing groove (25) is formed in the bottom of the battery (17), and a pressing groove (25) is formed in the steel wire line (17);

the quick-assembly battery also comprises an upper wedge block (18), a lower wedge block (19), a lower base (20), a third spring (13), a fourth spring (13.1), a roller group (14), a first gear (10) and a second gear (10.1), an upper wedge block (18) is arranged at the lower end of the battery box body (7), one side of the upper wedge block (18) is connected with a fourth spring (13.1), the fourth spring (13.1) is connected to the battery box body (7), a lower wedge block (19) is arranged below the upper wedge block (18), one side of the lower wedge block (19) is connected with a third spring (13), the third spring (13) is connected to the battery box body (7), the upper wedge block (18) is connected with the lower wedge block (19) through a roller set (14), the roller set (14) is fixed on the battery box body (7), one side of the upper wedge block (18) far away from the fourth spring (13.1) is connected with the first gear (10) through a steel wire, the first gear (10) is arranged on the battery box body (7), the lower wedge block (19) is connected with the second gear (10.1) through a steel wire, the second gear (10.1) is arranged on the battery box body (7), the second gear (10.1) and the first gear (10) are symmetrical about the middle surface of the battery box body (7);

the quick-assembly battery comprises a first wrench rod (9), a second wrench rod (9.1), a first clamping plate (11), a second clamping plate (11.2), a third clamping plate (12), a fourth clamping plate (12.2), a first arc plate (11.1), a second arc plate (11.3), a first sliding plate (12.1) and a second sliding plate (12.3), wherein the first clamping plate (9) is connected with a battery box body (7) through a first gear (10), the first clamping plate (11) is arranged in the first wrench rod (9) along a shaft, a first clamping plate spring (21) is arranged on one side of the first clamping plate (11), the first arc plate (11.1) is arranged at the upper end of the first clamping plate (11), the second clamping plate (11.2) is arranged below the first gear (10), the second clamping plate (11.2) is arranged in the battery box body (7) along a shaft, the first sliding plate (12.1) is arranged at the lower end of the second clamping plate (11.2), the second clamping plate (11.2) is arranged in the battery box body (7) along a shaft, the second clamping plate (9) is connected with the second clamping plate (12.1) through a second clamping plate (12.1), the second clamping plate spring (12.1) is arranged in the third clamping plate (9), the second clamping plate (12.1) is arranged in the second clamping plate (9), the second clamping plate (12.1), the third clamping plate (12) is arranged in the second clamping plate (9), the battery box is characterized in that a third clamping plate spring (21.2) is arranged on one side of the third clamping plate (12), a fourth clamping plate (12.2) is arranged below the second gear (10.1), the fourth clamping plate (12.2) is arranged in the battery box body (7) along an axis, a second sliding plate (12.3) is arranged at the lower end of the fourth clamping plate (12.2), a fourth clamping plate spring (21.3) is arranged on one side of the fourth clamping plate (12.2), the first clamping plate (11) and the second clamping plate (11.2) extend into teeth of the first gear (10), and the third clamping plate (12) and the fourth clamping plate (12.2) extend into teeth of the second gear (10.1).

2. The quick-assembly battery for the electric passenger vehicle as claimed in claim 1, wherein: first slide and second slide are for dismantling the slide, first circular arc board and second circular arc board are for dismantling the circular arc board.

3. The quick-assembly battery for the electric passenger vehicle as claimed in claim 2, wherein: the battery box body (7) and the battery (24) are of a separated structure, and the battery box body (7) and the lower base (20) are of a separated structure.

4. The quick-assembly battery for the electric passenger vehicle as claimed in claim 3, wherein: this fast-assembling battery still includes supplementary subassembly that tightens up, and this subassembly includes bolt mouth (4), shank of bolt (4.3), motor (4.2), battery (24) upper end is provided with a bolt mouth (4), motor (4.2) set up in the automobile body, motor (4.2) lower extreme is provided with shank of bolt (4.3), shank of bolt (4.3) set up in bolt mouth (4) top.

5. The quick-assembly battery for the electric passenger vehicle as claimed in claim 4, wherein: the hydraulic pressure bar with the short handle (4.1) is arranged at the upper end of the motor (4.2), the thread at the lower end of the bolt bar (4.3) is a hook-shaped thread, the internal thread is arranged in the bolt opening (4), and the thread at the lower end of the bolt opening (4) is a groove-shaped thread.

6. The quick-assembly battery for the electric passenger vehicle as claimed in claim 5, wherein: and a plurality of universal wheels (15) are arranged on the lower surface of the lower base (20).