阅读说明：本技术 一种电动车用电池仓 (Battery compartment for electric vehicle ) 是由 渠慎程 李文侠 于 2021-07-30 设计创作，主要内容包括：本发明涉及电动车电池安装设备技术领域,公开了一种电动车用电池仓,包括底座和布置在底座上围成有中空容纳空间的仓壁,仓壁上铰接有仓盖,仓壁内相对的两个侧壁之间均布置有一对固定板,每个固定板靠近仓壁的一侧均固定安装有两个连接杆,所述底座内布置有第一传动机构、第二传动机构和驱动机构,驱动机构的输出端还布置有第一切换机构,所述仓盖上布置有锁紧装置,所述仓壁内布置有开启机构,所述开启机构与驱动机构之间传动布置有第二切换机构。本发明能够使电池仓内的电池安装稳定,若要打开电池仓,只有车辆在启动状态下才可以,起到对电池进行保护的作用,极大地避免电池被盗。(The invention relates to the technical field of electric vehicle battery installation equipment, and discloses a battery compartment for an electric vehicle, which comprises a base and a compartment wall arranged on the base and surrounded with a hollow accommodating space, wherein a compartment cover is hinged on the compartment wall, a pair of fixed plates are uniformly arranged between two opposite side walls in the compartment wall, one side of each fixed plate close to the compartment wall is fixedly provided with two connecting rods, a first transmission mechanism, a second transmission mechanism and a driving mechanism are arranged in the base, the output end of the driving mechanism is also provided with a first switching mechanism, a locking device is arranged on the compartment cover, an opening mechanism is arranged in the compartment wall, and a second switching mechanism is arranged between the opening mechanism and the driving mechanism in a transmission manner. The battery compartment protection device can ensure that the battery in the battery compartment is stably installed, and if the battery compartment is opened, only the vehicle is started, so that the battery is protected, and the battery is greatly prevented from being stolen.)

1. A battery compartment for an electric vehicle is characterized by comprising a base (1) and a compartment wall (2) which is arranged on the base (1) and is enclosed to form a hollow accommodating space, wherein a compartment cover (3) is hinged to the compartment wall (2);

the bottom of the base (1) is provided with a buffer supporting leg capable of damping the base (1);

a pair of fixing plates (4) capable of fixing the battery are uniformly arranged between two opposite side walls in the bin wall (2), each pair of fixing plates (4) are arranged in parallel, two layers are uniformly arranged on each fixing plate (4), and an elastic sheet (401) is arranged in an interlayer of each fixing plate (4);

two connecting rods (5) capable of driving the fixing plates (4) to move are fixedly mounted on the side edge, facing the bin wall (2), of each fixing plate (4), sliding chutes (6) for the connecting rods (5) to move are arranged on the inner surface of the base (1), and two groups of sliding chutes (6) are arranged on the sliding chutes (6) and are perpendicular to each other;

two toothed plates (7) capable of driving the connecting rod (5) to synchronously move in the sliding grooves (6) are arranged in each sliding groove (6), and tooth surfaces of the two toothed plates (7) are arranged oppositely;

a first transmission mechanism and a second transmission mechanism which can respectively control two opposite connecting rods (5) in the group to synchronously move towards each other are respectively and correspondingly arranged in the two groups of sliding chutes (6);

the base (1) is also internally provided with a driving mechanism which can drive the first transmission mechanism or the second transmission mechanism to work, and the output end of the driving mechanism is also provided with a first switching mechanism which can switch between the first transmission mechanism and the second transmission mechanism;

the bin cover (3) is provided with a locking device capable of fastening the bin cover (3) and the bin wall (2) together, the bin wall (2) is internally provided with an opening mechanism capable of releasing the locking of the locking device between the bin cover (3) and the bin wall (2), and a second switching mechanism is arranged between the opening mechanism and the driving mechanism in a transmission manner;

a battery box (38) capable of providing a standby power supply is further arranged on the base (1), and a detachable battery is arranged in the battery box (38).

2. The battery compartment for the electric vehicle according to claim 1, wherein: buffering stabilizer blade is including arranging mounting groove (8) in base (1) bottom four corners and arranging convex structure supporting legs (9) in mounting groove (8), be connected with damping spring (10) between the tank bottom of supporting legs (9) and mounting groove (8), rubber gasket (11) have still been arranged between supporting legs (9) and base (1).

3. The battery compartment for the electric vehicle according to claim 1, wherein: the first transmission mechanism comprises a first gear (12) arranged in one group of sliding grooves (6) and located between the two toothed plates (7), the first gear (12) is meshed with the two toothed plates (7), and a driving pipe (13) in transmission connection with the driving mechanism is coaxially arranged on the first gear (12).

4. The battery compartment for the electric vehicle according to claim 3, wherein: the second transmission mechanism comprises a second gear (14) arranged between the two toothed plates (7) in the other group of sliding grooves (6), a third gear (15) coaxially arranged with the second gear (14), a worm (16) meshed and connected with the third gear (15) and a driving rod (17) coaxially arranged with the worm (16), the second gear (14) and the two toothed plates (7) are both meshed and connected, and the driving rod (17) penetrates through the driving pipe (13) and is sleeved with the driving pipe (13) through a bearing.

5. The battery compartment for the electric vehicle according to claim 1, wherein: the driving device comprises a driving motor (18) connected into a starting circuit of the electric vehicle and a driving gear (19) arranged at the output end of the driving motor (18).

6. The battery compartment for the electric vehicle according to claim 4, wherein: the first switching mechanism comprises a first special-shaped gear (20) arranged at one end part of the driving rod (17) far away from the worm (16), a first gear ring (21) arranged at one end of the driving pipe (13) close to the first special-shaped gear (20), a second special-shaped gear (22) sleeved on the driving rod (17) in a sliding manner, and a first control rod (23) capable of controlling the second special-shaped gear (22) to slide on the driving rod (17), the second special-shaped gear (22) is meshed with the first gear ring (21), a transmission gear (24) meshed with the driving gear (19) is arranged on one side of the second special-shaped gear (22) far away from the first gear ring (21), a second gear ring (25) matched with the first special-shaped gear (20) is arranged at the center of the transmission gear (24), the first control rod (23) is rotatably connected with the transmission gear (24) through a bearing.

7. The battery compartment for the electric vehicle according to claim 6, wherein: the locking device comprises a first deep groove (26) and a second deep groove (27) which are respectively arranged on the bin cover (3) and the bin wall (2) and are communicated, a wedge-shaped fixed block (28) is arranged in the first deep groove (26) in a sliding mode, and a spring (29) capable of pushing one part of the wedge-shaped fixed block (28) to enter the second deep groove (27) is arranged between the wedge-shaped fixed block (28) and the bottom of the first deep groove (26).

8. The battery compartment for the electric vehicle according to claim 7, wherein: the opening mechanism comprises a control block (30) capable of pushing the wedge-shaped fixing block (28) into the first deep groove (26) from the second deep groove (27), the control block (30) is sleeved on a threaded column (31) arranged in the bin wall (2) in a threaded manner, and the threaded column (31) can drive the control block (30) to move in the second deep groove (27) along the axial direction of the threaded column (31) when rotating.

9. The battery compartment for the electric vehicle according to claim 8, wherein: the second switching mechanism comprises a telescopic pipe (37) which is coaxially arranged with the driving gear (19), a first bevel gear (32) which is coaxially arranged with the threaded column (31), a second bevel gear (33) which is in meshed connection with the first bevel gear (32), and a second control rod (34) which can control the telescopic pipe (37) to stretch, a third gear ring (35) is arranged at the center of the second bevel gear (33), and a third differential gear (36) which is in meshed connection with the third gear ring (35) is arranged on one side, away from the driving gear (19), of the telescopic pipe (37).

10. The battery compartment for the electric vehicle according to claim 9, wherein: the first special-shaped gear (20), the second special-shaped gear (22) and the third special-shaped gear (36) are all gears subjected to chamfering and polishing treatment.

Technical Field

The invention relates to the technical field of electric vehicle battery installation equipment, in particular to a battery compartment for an electric vehicle.

Background

The battery car is also called as an electric car, and is a pure electric car which is provided with electric energy by a storage battery and drives a transmission shaft by an electric motor.

The electric motor car in China is mainly used for daily riding instead of walk, sightseeing for carrying passengers, public security patrol and cargo handling, the electric sightseeing car is mainly used for carrying passengers in places such as parks, scenic spots, leisure resort villages, universities, hospitals, golf courses, real estate companies and the like, the electric patrol car is mainly used for public security patrol in station squares and places with dense pedestrian flow, and the electric carrier is mainly used for factories, port docks, logistics warehouses and the like.

The batteries are important components of the electric vehicle, and are usually stored in a battery box on the electric vehicle, because the batteries have service lives, the batteries are usually required to be replaced regularly during daily use, the batteries are divided into a lead-acid motor and a lithium battery, the two batteries respectively have advantages and disadvantages, so a consumer can select the batteries according to the use condition when replacing the batteries of the electric vehicle, the volumes of the two batteries are greatly different, therefore, when the batteries are replaced by the lead-acid batteries, the batteries are required to be plugged into a battery compartment so as to be stably placed into the battery compartment, the operation is very troublesome, the potential safety hazard exists, meanwhile, the batteries are valuable parts in the electric vehicle, the theft often happens, and the anti-theft device is usually arranged outside the existing battery compartment in the aspect of battery protection, and the theft probability can be reduced, but also brings inconvenience to the car owner to overhaul and maintain the storage battery, and the added lockset is generally not beautiful enough in appearance.

Disclosure of Invention

The invention provides a battery compartment for an electric vehicle, which can be used for conveniently disassembling a battery, the battery can be fixed in the battery compartment according to the volume of the replaced battery when the battery is replaced, a locking device is arranged on a compartment cover, and the locking device can be controlled to be opened only through an opening mechanism, so that the battery compartment can be opened only when the vehicle is in a starting state, the battery is subjected to electric control and mechanical protection, and the risk of being stolen is greatly reduced.

A battery compartment for an electric vehicle comprises a base and a compartment wall which is arranged on the base and is enclosed to form a hollow accommodating space, wherein a compartment cover is hinged to the compartment wall;

the bottom of the base is provided with a buffer supporting leg capable of damping the base;

a pair of fixing plates capable of fixing the battery are uniformly arranged between two opposite side walls in the bin wall, each pair of fixing plates are arranged in parallel, two layers of fixing plates are uniformly arranged, and elastic sheets are arranged in interlayers of the fixing plates;

two connecting rods capable of driving the fixing plates to move are fixedly mounted on the side edge, facing the bin wall, of each fixing plate, sliding chutes for the connecting rods to move are arranged on the inner surface of the base, and two groups of sliding chutes are arranged in the sliding chutes and are perpendicular to each other;

two toothed plates capable of driving the connecting rod to synchronously move in the sliding grooves are uniformly arranged in each sliding groove, and tooth surfaces of the two toothed plates are oppositely arranged; a first transmission mechanism and a second transmission mechanism which can respectively control two opposite connecting rods in the group to synchronously move in opposite directions are respectively and correspondingly arranged in the two groups of sliding chutes;

the base is also internally provided with a driving mechanism which can drive the first transmission mechanism or the second transmission mechanism to work, and the output end of the driving mechanism is also provided with a first switching mechanism which can switch between the first transmission mechanism and the second transmission mechanism;

the bin cover is provided with a locking device capable of fastening the bin cover and the bin wall together, an opening mechanism capable of releasing the locking of the locking device between the bin cover and the bin wall is arranged in the bin wall, and a second switching mechanism is arranged between the opening mechanism and the driving mechanism in a transmission manner.

Still arrange the battery case that can provide stand-by power supply on the base, arrange detachable battery in the battery case.

Preferably, the buffering stabilizer blade is including arranging the mounting groove in base bottom four corners and arranging the convex structure supporting legs in the mounting groove, be connected with damping spring between the tank bottom of supporting legs and mounting groove, rubber gasket has still been arranged between supporting legs and the base.

Preferably, the first transmission mechanism comprises a first gear arranged in one of the sliding chutes and located between the two toothed plates, the first gear is in meshed connection with both the two toothed plates, and the first gear is coaxially provided with a driving pipe in transmission connection with the driving mechanism.

Preferably, the second transmission mechanism includes a second gear disposed between the two toothed plates in the other set of sliding grooves, a third gear disposed coaxially with the second gear, a worm engaged with the third gear, and a driving rod disposed coaxially with the worm, the second gear is engaged with both the two toothed plates, and the driving rod penetrates through the driving pipe and is sleeved with the driving pipe through a bearing.

Preferably, the driving device comprises a driving motor connected to the starting circuit of the electric vehicle and a driving gear arranged at the output end of the driving motor.

Preferably, the first switching mechanism comprises a special-shaped gear arranged at the end part of the driving rod far away from the worm, a first gear ring arranged at the end part of the driving pipe close to the special-shaped gear, a second special-shaped gear sleeved on the driving rod in a sliding manner, and a first control rod capable of controlling the second special-shaped gear to slide on the driving rod, wherein the second special-shaped gear is in meshing connection with the first gear ring, a transmission gear in meshing connection with the driving gear is arranged on one side, far away from the first gear ring, of the second special-shaped gear, a second gear ring matched with the special-shaped gear is arranged at the center of the transmission gear, and the first control rod is in rotating connection with the transmission gear through a bearing.

Preferably, the locking device comprises a first deep groove and a second deep groove which are respectively arranged on the bin cover and the bin wall and are communicated, a wedge-shaped fixed block is arranged in the first deep groove in a sliding mode, and a spring capable of pushing one part of the wedge-shaped fixed block to enter the second deep groove is arranged between the wedge-shaped fixed block and the bottom of the first deep groove.

Preferably, the opening mechanism comprises a control block capable of pushing the wedge-shaped fixed block into the first deep groove from the second deep groove, the control block is sleeved on a threaded column arranged in the bin wall in a threaded manner, and the threaded column can drive the control block to move in the second deep groove along the axial direction of the threaded column when rotating.

Preferably, the second switching mechanism comprises an extension tube coaxially arranged with the driving gear, a first bevel gear coaxially arranged with the threaded column, a second bevel gear in meshed connection with the first bevel gear, and a second control rod capable of controlling extension and retraction of the extension tube, a third gear ring is arranged at the center of the second bevel gear, and a third differential gear in meshed connection with the third gear ring is arranged on one side, away from the driving gear, of the extension tube.

Preferably, the first special-shaped gear, the second special-shaped gear and the third special-shaped gear are all gears subjected to chamfer grinding treatment.

Compared with the prior art, the invention has the beneficial effects that.

(1) The damping support leg is arranged at the bottom of the base, the damping spring is installed between the supporting leg and the groove bottom of the mounting groove, the rubber gasket is arranged between the supporting leg and the base, the base is damped, a good damping effect is achieved, the stability of the battery compartment is protected, and damage to the battery due to bumping during driving is reduced.

(2) The first transmission mechanism and the second transmission mechanism which can respectively control the two opposite connecting rods to synchronously move in opposite directions are arranged in the base, the transmission of the driving mechanism is switched through the first switching mechanism, the driving mechanism is in transmission connection with the first transmission mechanism or in transmission connection with the second transmission mechanism, the clamping and the loosening of the battery side wall in four directions are achieved, and the battery is convenient to replace.

(3) The locking device capable of fastening the bin cover and the bin wall together is arranged on the bin cover, the second switching mechanism is connected with the opening mechanism in a transmission mode, the bin cover is opened by the driving mechanism, and therefore the bin cover can be opened only when a car key is inserted into the key hole to enable the circuit to be powered on.

(4) Through arranging a driving motor and switching over the drive transmission mode through controlling first switching mechanism and second switching mechanism respectively, realized the portable installation of inside battery and strengthened the protection to the battery, adopt mechanical structure design, switch coordinated control, reduced the production purchasing cost, convenient to popularize and use.

Drawings

Fig. 1 is an exploded view of the base of the present invention.

Fig. 2 is a top view of the present invention (with the lid removed).

Fig. 3 is a schematic structural diagram of the first transmission mechanism and the second transmission mechanism of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a bottom view of the present invention.

Fig. 6 is a sectional view at B in fig. 5.

Fig. 7 is a first structural diagram of the present invention.

Fig. 8 is a sectional view taken at C of fig. 7.

Fig. 9 is a second structural diagram of the present invention.

Fig. 10 is a sectional view taken at D in fig. 9.

Fig. 11 is a schematic view of the locking device and the opening mechanism of the present invention.

Description of reference numerals:

1-a base, 2-a bin wall, 3-a bin cover, 4-a fixing plate, 401-a spring plate, 5-a connecting rod, 6-a sliding slot, 7-a toothed plate, 8-a mounting slot, 9-a supporting foot, 10-a damping spring, 11-a rubber gasket, 12-a first gear, 13-a driving tube, 14-a second gear, 15-a third gear, 16-a worm, 17-a driving rod, 18-a driving motor, 19-a driving gear, 20-a first special-shaped gear, 21-a first gear ring, 22-a second special-shaped gear, 23-a first control rod, 24-a transmission gear, 25-a second gear ring, 26-a first deep slot, 27-a second deep slot, 28-a wedge-shaped fixing block, 29-a spring and 30-a control block, 31-a threaded column, 32-a first bevel gear, 33-a second bevel gear, 34-a second control rod, 35-a third gear ring, 36-a third differential gear, 37-a telescopic pipe and 38-a battery box.

Detailed Description

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.

As shown in fig. 1 to 11, a battery compartment for an electric vehicle includes a base 1 and a compartment wall 2 arranged on the base 1 and enclosing a hollow accommodating space, wherein a compartment cover 3 is hinged on the compartment wall 2.

The bottom of base 1 arranges the buffering stabilizer blade that can carry out the shock attenuation to base 1.

Particularly, the buffering stabilizer blade is including arranging mounting groove 8 in base 1 bottom four corners and arranging convex structure supporting legs 9 in mounting groove 8, be connected with damping spring 10 between the tank bottom of supporting legs 9 and mounting groove 8, rubber gasket 11 has still been arranged between supporting legs 9 and the base 1, plays fine cushioning effect, carries out the shock attenuation to base 1, and the steady in protection battery compartment reduces to jolt and causes the damage to the battery because of the driving.

A pair of fixing plates 4 capable of fixing the battery are uniformly arranged between two opposite side walls in the bin wall 2, each pair of fixing plates 4 are arranged in parallel, two layers are uniformly arranged on each fixing plate 4, an elastic sheet 401 is arranged in an interlayer of each fixing plate 4, and the elastic sheet 401 plays a certain buffering and protecting role on the battery when the battery is clamped.

Every fixed plate 4 has two connecting rods 5 that can drive fixed plate 4 and remove towards the equal fixed mounting in side of bulkhead 2, the spout 6 that supplies connecting rod 5 to remove has been arranged to the internal surface of base 1, 6 spout arrangements of 6 mutually perpendicular of two sets of and spout have been arranged to spout 6.

Two toothed plates 7 capable of driving the connecting rod 5 to synchronously move in the sliding grooves 6 are arranged in each sliding groove 6, and tooth surfaces of the two toothed plates 7 are arranged oppositely; the two groups of sliding grooves 6 are respectively and correspondingly provided with a first transmission mechanism and a second transmission mechanism which can respectively control the two opposite connecting rods 5 in the group to synchronously move in opposite directions.

Specifically, the first transmission mechanism includes a first gear 12 arranged in one of the chutes 6 and located between the two toothed plates 7, the first gear 12 is engaged with the two toothed plates 7, a driving pipe 13 in transmission connection with the driving mechanism is coaxially arranged on the first gear 12, and the driving pipe 13 is driven by the driving mechanism to rotate, so that the two first gears 12 synchronously rotate, and then the two toothed plates 7 engaged with the first gear 12 are controlled to synchronously move in opposite directions, thereby clamping or loosening the battery.

Specifically, the second transmission mechanism comprises a second gear 14 arranged between the two toothed plates 7 in the other group of sliding grooves 6, a third gear 15 coaxially arranged with the second gear 14, a worm 16 meshed with the third gear 15 and a driving rod 17 coaxially arranged with the worm 16, the second gear is meshed with the two toothed plates 7, the driving rod 17 penetrates through the driving pipe 13 and is sleeved with the driving pipe 13 through a bearing, the driving mechanism drives the driving rod 17 to rotate, the worm 16 drives the third gear 15 to rotate, the third gear 15 drives the second gear 14 to synchronously rotate, and then the two toothed plates 7 are driven to synchronously move in opposite directions, so that the clamping or loosening of the battery is realized.

Still arrange the actuating mechanism that can drive first drive mechanism or second drive mechanism work in the base 1, the first switching mechanism that can switch between first drive mechanism and second drive mechanism is still arranged to actuating mechanism's output, switches over the actuating mechanism transmission through first switching mechanism, is connected with first drive mechanism transmission or is connected with second drive mechanism transmission, realizes pressing from both sides tightly and unclamping four directions all around the battery lateral wall, the change of the battery of being convenient for.

Specifically, the first switching mechanism comprises a first special-shaped gear 20 arranged at the end part of the driving rod 17 far from the worm 16, a first gear ring 21 arranged at the end part of the driving pipe 13 near to the first special-shaped gear 20, a second special-shaped gear 22 slidably sleeved on the driving rod 17, and a first control rod 23 capable of controlling the second special-shaped gear 22 to slide on the driving rod 17, wherein the second special-shaped gear 22 is in meshed connection with the first gear ring 21, a transmission gear 24 in meshed connection with the driving gear 19 is arranged at the side of the second special-shaped gear 22 far from the first gear ring 21, a second gear ring 25 matched with the first special-shaped gear 20 is arranged at the center of the transmission gear 24, the first control rod 23 is in rotatable connection with the transmission gear 24 through a bearing, the driving motor 18 drives the driving gear 19 to rotate, and the driving gear 19 drives the transmission gear 24 to rotate, the transmission gear 24 and the second special-shaped gear 22 rotate synchronously, if the driving pipe 13 needs to rotate, the first control rod 23 is pushed, the second special-shaped gear 22 moves towards the driving pipe 13 on the driving rod 17, when the second special-shaped gear 22 is meshed with the driving pipe 13, the second special-shaped gear 22 drives the driving pipe 13 to rotate, so that the first transmission mechanism is controlled to drive the fixing plate 4 to clamp or release the battery, if the driving rod 17 needs to rotate, the first control rod 23 is pulled, the transmission gear 24 moves towards the first special-shaped gear 20, when the second gear ring 25 is meshed with the first special-shaped gear 20, the driving rod 17 is driven to rotate, and the second transmission mechanism is controlled to drive the fixing plate 4 to clamp or release the battery.

The utility model discloses a battery compartment, including cabin cover 3, door wall 2, actuating mechanism, opening mechanism and battery compartment cover 3, the locking device that can fasten door cover 3 and door wall 2 together has been arranged on the door cover 3, it can relieve the opening mechanism of locking device locking between door cover 3 and door wall 2 to arrange in the door wall 2, the second switching mechanism has been arranged in the transmission between opening mechanism and the actuating mechanism, is connected actuating mechanism and opening mechanism transmission through operating the second switching mechanism to utilize actuating mechanism to open door cover 3, consequently just can open door cover 3 under the circumstances of electric motor car circular telegram start, the battery compartment can't be opened to the electric motor car under the stall state, thereby protects the battery from the design, reduces the stolen risk of battery.

Specifically, the driving device comprises a driving motor 18 connected to an electric vehicle starting circuit and a driving gear 19 arranged at the output end of the driving motor 18, the driving motor 18 drives the driving gear 19 to rotate, and only when an electric vehicle key is inserted into a key hole starting circuit, the circuit of the driving motor 18 can be switched on.

Specifically, locking device is including arranging first deep groove 26 and the second deep groove 27 that link up on cang gai 3 and bulkhead 2 respectively, sliding arrangement has wedge fixed block 28 in first deep groove 26, arrange the spring 29 that can promote partly entering second deep groove 27 of wedge fixed block 28 between the tank bottom of wedge fixed block 28 and first deep groove 26, wedge fixed block 28 is pushed second deep groove 27 by spring 29, and wedge fixed block 28 card is between first deep groove 26 and second deep groove 27 to with cang gai 3 and bulkhead 2 locking, cang gai 3 can't be opened this moment, plays the guard action to the battery of inside, avoids the battery stolen.

Specifically, the opening mechanism comprises a control block 30 capable of pushing the wedge-shaped fixed block 28 from the second deep groove 27 to the first deep groove 26, the control block 30 is threadedly sleeved on a threaded column 31 arranged in the chamber wall 2, the threaded column 31 can drive the control block 30 to move in the second deep groove 27 along the axial direction of the threaded column 31 when rotating, the control block 30 in threaded connection with the threaded column 31 is driven to move along the axial direction of the threaded column 31 by the rotation of the threaded column 31, when the control block 30 ascends, the control block is in contact with the wedge-shaped fixed block 28 and pushes the wedge-shaped fixed block 28 from the second deep groove 27 to the first deep groove 26, the chamber cover 3 can be freely opened at the moment, and the battery can be overhauled or replaced at the moment.

Specifically, the second switching mechanism comprises a telescopic tube 37 arranged coaxially with the driving gear 19, a first bevel gear 32 arranged coaxially with the threaded post 31, a second bevel gear 33 engaged with the first bevel gear 32, and a second control lever 34 capable of controlling the telescopic tube 37 to extend and retract, a third gear ring 35 is arranged at the center of the second bevel gear 33, a third differential gear 36 meshed with the third gear ring 35 is arranged on one side of the extension tube 37 away from the driving gear 19, the driving gear 19 is driven to rotate by the rotation of the driving motor 18, the extension tube 37 rotates synchronously, by pulling the second control lever 34, the telescopic tube 37 is pulled, the third differential gear 36 is pulled to be in meshed connection with the third toothed ring 35, thereby driving the second bevel gear 33 to rotate, the second bevel gear 33 driving the first bevel gear 32 to rotate thereby driving the threaded column 31 to rotate, and realizing the normal operation of the opening mechanism.

Specifically, the first special-shaped gear 20, the second special-shaped gear 22 and the third special-shaped gear 36 are all gears subjected to chamfering and polishing treatment, and are convenient to slide along respective central axis directions to be respectively in meshed connection with the corresponding second gear ring 25, the corresponding first gear ring 22 and the corresponding third gear ring 35.

Still arranged the battery case 38 that can provide stand-by power supply on the base 1, arrange detachable battery in the battery case 38, driving motor 18's starting circuit is connected to battery case 8, in case the problem that the battery in the battery compartment appears damaging, the detachable battery in the battery case 38 can open the battery compartment as stand-by power supply, inserts the car key in the key hole during the use, rotates the circuit of key switch-on battery case 8 and between driving motor 18 to drive driving motor 18 work.

When the battery is replaced, the vehicle circuit is switched on through the vehicle key, the driving motor 18 is electrified to open the bin cover 3, then the electric vehicle is turned off through the vehicle key, the battery power supply is cut off, and the standby battery box 38 is used for supplying power to replace the battery.

When the bin cover is opened, firstly, a key is inserted into a key hole, the key is rotated, a vehicle is started, a driving motor 18 is connected with a circuit, a second control rod 34 is pulled to stretch a telescopic pipe 37, a third differential gear 36 is pulled to be meshed with a third gear ring 35 so as to drive a second bevel gear 33 to rotate, the second bevel gear 33 drives a first bevel gear 32 to rotate so as to drive a threaded column 31 to rotate, a control block 30 connected with the threaded column 31 in a threaded manner is driven to move along the axial direction of the threaded column 31, the control block 30 rises to be in contact with a wedge-shaped fixed block 28 and push the wedge-shaped fixed block 28 into a first deep groove 26 from a second deep groove 27, at the moment, the bin cover 3 can be freely opened, when a battery is replaced, the driving mechanism is switched by a first switching mechanism, the driving mechanism is in transmission connection with a first transmission mechanism or is in transmission connection with a second transmission mechanism, the clamping and the loosening of the four directions around the side wall of the battery are realized, the change of the battery of being convenient for even if changed the bigger lead acid battery of volume or changed the less lithium cell of volume, all can stably pack the battery into the battery compartment, set up shell fragment 401 and buffering stabilizer blade simultaneously, the jolt of production in the vehicle traveles of buffering battery and battery compartment.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In summary, the present invention provides a battery compartment for an electric vehicle, which can be used for conveniently detaching a battery, the battery can be fixed in the battery compartment according to the volume of the battery after replacement, and a locking device is installed on a compartment cover and is configured to control the locking device to be unlocked only through an unlocking mechanism, so that the battery compartment can be opened only when a vehicle is started, the battery can be protected, and the battery can be prevented from being stolen.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.