CN220785432U - Electric vehicle - Google Patents

Abstract

The application relates to the technical field of electric vehicles, discloses an electric vehicle, includes the carrier bar that extends along vehicle length direction, be equipped with locking mechanism on the carrier bar, locking mechanism includes the locking lever, the locking lever runs through along vertical direction the carrier bar, the locking lever is used for rotatory in order to lock battery package under actuating mechanism's drive. The method has the effect of relieving the problems of complex station locking and unlocking operations and low efficiency in the prior art.

Description

Electric vehicle

Technical Field

The present application relates to the field of electric vehicles, and in particular, to an electric vehicle.

Background

The electric automobile has the advantages of zero emission, low noise, high operation and maintenance cost performance and the like, and is increasingly favored by users. With the importance of environmental protection, pure electric heavy trucks are promoted in the market for years as new energy automobile products under the promotion of government, and represent the development direction of the future automobile industry.

The battery pack used by the electric heavy truck is far longer than that of a household electric truck due to the characteristics of the electric heavy truck, the charging time of the battery pack is too long, even the electric heavy truck is required to be charged for nearly half an hour, and the capacity and the service life of the battery pack can be greatly reduced no matter which battery pack is charged rapidly, so that the service efficiency of the electric heavy truck is affected.

For the above reasons, a power conversion mode has been developed. The replaceable battery pack is generally fixed on a bracket of the vehicle in a movable mounting manner, and the battery pack can be removed for independent replacement or charging operation, and is mounted on the vehicle after the replaced battery pack is charged. Compared with charging, the method has the advantages that a large amount of time can be saved by firstly changing the power, the power can be charged by avoiding power consumption peaks, and the occupied parking space is small by changing the power again. At present, the battery pack on the existing electronic heavy truck is generally connected through fixed locking mechanism and automobile body, this locking mechanism is generally located on the battery pack, through locking mechanism on the battery pack of outside battery replacement equipment drive, and the quantity of battery pack surpasses electric automobile's quantity far, because every battery pack all needs to be equipped with corresponding locking mechanism, lead to electric automobile holistic cost higher, and require higher to battery replacement equipment, need be equipped with corresponding release mechanism, when carrying out locking and unlocking operation, the locking mechanism needs to carry out the location matching of high accuracy on battery replacement equipment and the battery pack, lead to locking, unlocking operation complicacy, inefficiency.

Disclosure of Invention

In order to alleviate the problem that station end locking, unblock operation are complicated, inefficiency among the prior art, this application provides an electric vehicle.

The application provides an electric vehicle adopts following technical scheme:

the utility model provides an electric vehicle, includes the carrier bar that extends along vehicle length direction, be equipped with locking mechanism on the carrier bar, locking mechanism includes the locking lever, the locking lever runs through along vertical direction the carrier bar, the locking lever is used for rotatory in order to lock the battery package under actuating mechanism's drive.

By adopting the technical scheme, the locking mechanism is arranged on the bearing beam of the electric vehicle, so that the difficulty of locking and unlocking operations at the station end is reduced, and the locking and unlocking efficiency is improved; the locking rod is directly arranged on the bearing beam, the battery pack is directly connected onto the bearing beam through the locking mechanism, a quick-change bracket is omitted, the cost of a vehicle is reduced, the positioning precision requirements of a station end and a vehicle end are reduced, and the power conversion efficiency is improved.

Optionally, the locking lever includes T type bolt, T type bolt includes threaded rod and bolt head, the extending direction of bolt head perpendicular to the axial of threaded rod, the bolt head is located the below of load-bearing beam, the threaded rod runs through the load-bearing beam.

Through adopting above-mentioned technical scheme, can realize switching before unlocking position and locking position through T type bolt rotation certain angle under actuating mechanism drive, locate the carrier bar below with the bolt head simultaneously, be convenient for cooperate with the locking hole on the battery package, connect battery package locking in the carrier bar below, improved the convenience of locking, unblock.

Optionally, the locking mechanism further comprises a lock seat, the lock seat is arranged at the top of the bearing beam, and the threaded rod is in threaded connection with the lock seat.

Optionally, a plurality of groups of locking mechanisms are arranged on the bearing beam at intervals along the length direction of the bearing beam.

Through adopting above-mentioned technical scheme, threaded rod and the lock seat threaded connection at carrier bar top have utilized the space installation locking mechanism on the vertical direction of carrier bar, avoid taking the space that is used for holding the battery package, be convenient for hold the battery package in the bottom or the lateral part of carrier bar, improved the space utilization of carrier bar, directly bear the weight of battery package through the carrier bar simultaneously, need not to set up extra quick change support mounting battery package, the cost of the vehicle of reduction, be provided with multiunit locking mechanism on the carrier bar, improve the stability of being connected between carrier bar and the battery package.

Optionally, the driving mechanism is disposed on the load beam, and is configured to drive the threaded rod to rotate so as to drive the bolt head to switch between a locking state and an unlocking state.

Through adopting above-mentioned technical scheme, actuating mechanism locates on the carrier bar, utilizes actuating mechanism direct drive T type bolt rotatory in order to carry out locking, unblock operation, has reduced the degree of difficulty of standing end locking, unblock operation, has improved the efficiency of locking and unblock, has reduced the cost of vehicle.

Optionally, the driving mechanism comprises a driving part and a meshing transmission part, and the driving part drives the threaded rod to rotate through the meshing transmission part.

Optionally, the meshing transmission portion includes the rack of sliding connection on the carrier bar and connects the gear of threaded rod upper end, the gear with threaded rod synchronous rotation, the gear with the rack meshing, the rack is connected with drive portion, drive portion drive the rack slides in order to drive the threaded rod rotation along carrier bar length direction.

Through adopting above-mentioned technical scheme, connect the gear in threaded rod upper end, gear and rack meshing utilize drive division drive rack to slide along carrier bar length direction, the rack slides in-process and drives the gear rotation, and the gear rotation drives the threaded rod and rotates to the realization is to the locking of battery package.

Optionally, the coaxial fixedly connected with connecting rod of threaded rod upper end, the gear with connecting rod key-type connection, the gear in the axial of threaded rod on with connecting rod sliding connection.

Through adopting above-mentioned technical scheme, coaxial fixed connection connecting rod in threaded rod upper end, gear and connecting rod key-joint to make threaded rod and gear synchronous rotation.

Optionally, one side that the gear kept away from the carrier bar is provided with the gag lever post, the gag lever post with gear butt, the gag lever post is used for restricting the gear at screw thread pole axial displacement.

Through adopting above-mentioned technical scheme, set up the gag lever post in one side that the gear kept away from the carrier bar, utilize the gag lever post to restrict the gear at its axial displacement, improve the stability of being connected between gear and the rack.

Optionally, the lock seat includes the floating lock box, the other end of threaded rod with floating lock box is connected, T type bolt passes through floating lock box and carrier bar swing joint.

Through adopting above-mentioned technical scheme, T type bolt passes through floating lock box and carrier bar swing joint, makes the threaded rod have certain removal allowance relative carrier bar, reduces when utilizing T type bolt to lock the battery package, and the possibility of the condition that the T type bolt appears the location improves the convenience of battery package and carrier bar intermediate junction.

Optionally, the battery package is last seted up with T type bolt complex locking hole, actuating mechanism with T type bolted connection, actuating mechanism is used for the drive T type bolt rotates in order to with locking hole cooperation rotation locking.

Optionally, the battery package includes down the box, be equipped with the depressed part that is used for pegging graft the carrier bar on the box down, be equipped with supporting part in the depressed part, the locking hole is seted up on supporting part.

Through adopting above-mentioned technical scheme, set up the depressed part that is used for pegging graft the carrier bar on the battery package, when being connected battery package and carrier bar, the carrier bar peg graft in the depressed part of battery package, reduce the space that the battery package occupy below the carrier bar.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the locking mechanism is arranged on the bearing beam of the electric vehicle, the locking mechanism comprises the locking rod, the locking rod penetrates through the bearing beam along the vertical direction, when the battery pack is connected with the bearing beam, the locking hole is only required to be arranged on the battery pack, after the locking rod penetrates through the locking hole, the locking rod is driven to rotate by the driving mechanism, so that locking connection can be realized, the difficulty of locking and unlocking operations at the station end is reduced, the locking and unlocking efficiency is improved, the locking rod is directly arranged on the bearing beam, the battery pack is directly connected onto the bearing beam through the locking mechanism, a quick-change bracket is omitted, the cost of the vehicle is reduced, the positioning precision requirements of the station end and the vehicle end are reduced, and the power conversion efficiency is improved;

2. one end of the threaded rod is connected with the floating lock box, so that a certain movement allowance is formed between the threaded rod and the bearing beam, the possibility of the occurrence of the positioning condition of the T-shaped bolt when the T-shaped bolt is used for locking the battery pack is reduced, and the convenience of the middle connection of the battery pack and the bearing beam is improved;

3. through setting up the gag lever post in one side that the gear kept away from the carrier bar, utilize the gag lever post to restrict the gear at its axial displacement, improve the stability of being connected between gear and the rack.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic overall construction of an embodiment of the present application (some structural features are omitted from the drawings);

FIG. 2 is a schematic structural view of a locking mechanism coupled to a load beam in an embodiment of the present application;

fig. 3 is a schematic structural view of a battery pack portion in an embodiment of the present application;

FIG. 4 is a schematic structural view of a locking mechanism portion in an embodiment of the present application;

FIG. 5 is a schematic view of a structure of a connecting seat portion according to an embodiment of the present application;

FIG. 6 is a schematic view of a mounting portion in an embodiment of the present application;

fig. 7 is a schematic structural view of a driving mechanism portion in the embodiment of the present application.

Reference numerals: 100. a load beam; 110. a top wall; 120. a sidewall; 130. a bottom wall; 200. a locking mechanism; 210. a T-shaped bolt; 211. a threaded rod; 212. a bolt head; 300. a driving mechanism; 310. a driving section; 311. an electric push rod; 320. a meshing transmission part; 321. a rack; 322. a gear; 323. a connecting rod; 324. a limit rod; 400. a floating lock box; 410. a connecting seat; 411. a connection hole; 420. a hanging plate; 430. a floating seat; 431. a hook hole; 432. a nut; 440. a tension spring; 450. a limiting plate; 451. a limit groove; 500. a battery pack; 510. a lower box body; 511. a recessed portion; 512. a support part; 520. and a locking hole.

Detailed Description

In order to more clearly illustrate the general concepts of the present application, the present application is described in further detail below in conjunction with fig. 1-7.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below. It should be noted that, in the case of no conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

The embodiment of the application discloses an electric vehicle.

Referring to fig. 1, 2 and 3, an electric vehicle includes a load beam 100 extending in a vehicle length direction, a locking mechanism 200 is provided on the load beam 100, the locking mechanism 200 includes a locking rod penetrating the load beam 100 in a vertical direction, and the locking rod is used to rotate under the driving of a driving mechanism 300 to lock a battery pack 500. Through locating locking mechanism 200 on electric vehicle's carrier bar 100, locking mechanism 200 includes the locking lever, the locking lever runs through carrier bar 100 along vertical direction, when being connected battery package 500 and carrier bar 100, only need set up locking hole 520 on battery package 500, pass locking hole 520 with the locking lever after, utilize actuating mechanism 300 drive locking lever rotation can realize locking connection, the degree of difficulty of standing end locking, unblock operation has been reduced, the efficiency of locking and unblock has been improved, the cost of vehicle has been reduced, realize the stable connection of battery package 500 and electric vehicle.

Further, the lock lever includes a T-bolt 210, the T-bolt 210 includes a threaded rod 211 and a bolt head 212, the bolt head 212 extends in a direction perpendicular to the axial direction of the threaded rod 211, and the bolt head 212 is located below the load beam 100. The load beam 100 includes a top wall 110, side walls 120, and a bottom wall 130, and the threaded rod 211 extends through the top wall 110 and the bottom wall 130 of the load beam 100. When the battery pack 500 is connected with the load beam 100, the bolt head 212 of the T-shaped bolt 210 passes through the locking hole 520, and the driving mechanism 300 is used for driving the bolt head 212 to rotate 90 degrees, so that the T-shaped bolt 210 and the locking hole 520 are matched and locked, and the battery pack 500 is connected with the load beam 100.

Referring to fig. 1 and 2, the locking mechanism 200 further includes a lock base provided at the top of the load beam 100, and a threaded rod 211 is screwed with the lock base. The carrier 100 is provided with a plurality of sets of locking mechanisms 200 at intervals along the length direction thereof. By providing a plurality of sets of locking mechanisms 200 on the carrier beam 100, the stability of the connection between the carrier beam 100 and the battery pack 500 is improved.

Specifically, referring to fig. 4, the lock base includes a floating lock box 400, the other end of the threaded rod 211 is connected to the floating lock box 400, and the T-bolt 210 is movably connected to the load beam 100 through the floating lock box 400. Through floating lock box 400 with T type bolt 210 and carrier bar 100 swing joint, make threaded rod 211 have certain removal allowance relative to carrier bar 100, reduce when utilizing T type bolt 210 to lock battery package 500, the possibility that the condition of locating appears in T type bolt 210 improves the convenience of battery package 500 and carrier bar 100 intermediate connection.

Further, the floating lock case 400 includes a connection base 410 and a floating base 430, the connection base 410 is detachably connected to the top wall 110 of the carrier beam 100, the floating base 430 is in floating connection with the connection base 410 through an elastic component, and the floating base 430 is provided with a threaded portion for connecting the threaded rod 211. The floating seat 430 is connected with the connecting seat 410 through an elastic component, and a certain movement allowance is reserved on the opposite vehicle end after the T-shaped bolt 210 is connected with the floating seat 430, so that the convenience of matching the T-shaped bolt 210 with the locking hole 520 is improved.

In this embodiment, the threaded portion is a nut 432, the nut 432 is fixedly connected to the floating seat 430, and the nut 432 is screwed to the threaded rod 211. In other preferred embodiments, the threaded portion may be a threaded hole formed in the floating seat 430, and the threaded hole is used to connect with the threaded rod 211.

The elastic components are multiple, and the multiple elastic components are arranged at intervals on the periphery of the floating seat 430. By connecting the floating mount 430 to the connection mount 410 using a plurality of elastic members provided at the periphery of the floating mount 430, the stability of the connection between the floating mount 430 and the connection mount 410 is improved.

The elastic component in this embodiment is a tension spring 440. The floating seat 430 is provided with a hook hole 431, one end of the tension spring 440 is hung on the hook hole 431, the connecting seat 410 is provided with two hanging plates 420, the floating seat 430 is positioned between the two hanging plates 420, and the other end of the tension spring 440 is fixedly connected with the hanging plates 420. The two hanging plates 420 are vertically and fixedly connected above the connecting seat 410, and the two hanging plates 420 are arranged in parallel. The tension springs 440 are fixedly connected to both ends of the hanging plate 420 in the horizontal direction, and the tension springs 440 are symmetrically arranged. By connecting the floating seat 430 between the two hanging plates 420 using the plurality of tension springs 440, the movement of the floating seat 430 is restricted without the floating seat 430 being subjected to an external force, improving convenience of subsequent assembly.

Two limiting plates 450 are oppositely arranged on the two hanging plates 420, limiting grooves 451 with opposite openings are arranged on the two limiting parts, and the limiting grooves 451 are used for limiting the movement of the floating seat 430. The limiting grooves 451 are arc-shaped grooves, and the diameter of limiting holes formed by the two limiting grooves 451 is larger than the outer diameter of the nut 432. The two hanging plates 420 are provided with the limiting plates 450, the limiting grooves 451 are formed in the limiting plates 450, the limiting holes for limiting the movement of the nuts 432 are formed by the two limiting grooves 451, and the movement of the floating seat 430 is limited by the movement of the limiting nuts 432.

In this embodiment, the limiting plate 450 is hinged to the hanging plate 420, and when both limiting plates 450 are in a horizontal state, the two limiting grooves 451 are combined to form a limiting hole. By hinging the limiting plate 450 with the hanging plate 420, the floating seat 430 is convenient to install, and the convenience of assembling the movable lock box is improved.

Referring to fig. 4, 5 and 6, the floating seat 430 is located at a side of the connection seat 410 facing away from the bolt head 212, and the connection seat 410 is provided with a connection hole 411. One end of the threaded rod 211 far away from the bolt head 212 passes through the connecting hole 411 and then is in threaded connection with the floating seat 430, the aperture of the connecting hole 411 is larger than the diameter of the threaded rod 211, and the diameter of the connecting hole 411 is larger than the diameter of the limiting hole. The diameter of the nut 432 is larger than that of the threaded rod 211, and the diameter of the limiting hole is directly smaller than or equal to that of the connecting hole 411, so that the possibility of collision between the threaded rod 211 and the mounting seat is reduced by limiting the movement of the nut 432 by the limiting hole.

Referring to fig. 7, a driving mechanism 300 is disposed on the load beam 100, and is used for driving the threaded rod 211 to rotate to drive the bolt head 212 to switch between a locked state and an unlocked state. When the bolt head 212 is in a locking state, the battery pack 500 is connected to the lock rod in a locking mode, when the bolt head 212 is in an unlocking state, the battery pack 500 can be separated from the lock rod, the driving mechanism 300 is arranged on the load beam 100, the T-shaped bolt 210 is directly driven to rotate by the driving mechanism 300 to perform locking and unlocking operations, the difficulty of locking and unlocking operations at the station end is reduced, the locking and unlocking efficiency is improved, and the cost of a vehicle is reduced.

The driving mechanism 300 includes a driving portion 310 and an engagement transmission portion 320, where the driving portion 310 drives the threaded rod 211 to rotate through the engagement transmission portion 320. The engagement transmission part 320 includes a rack 321 slidably connected to the load beam 100 and a gear 322 connected to the upper end of the threaded rod 211, the gear 322 rotates synchronously with the threaded rod 211, the gear 322 is engaged with the rack 321, the rack 321 is connected to the driving part 310, and the driving part 310 drives the rack 321 to slide along the length direction of the load beam 100 to drive the threaded rod 211 to rotate.

Through connecting the gear 322 at threaded rod 211 upper end, gear 322 and rack 321 meshing utilize drive division 310 drive rack 321 to slide along carrier bar 100 length direction, and rack 321 slides the in-process and drives gear 322 rotation, and gear 322 rotation drives threaded rod 211 rotation to realize the locking to battery package 500.

The upper end of the threaded rod 211 is coaxially and fixedly connected with a connecting rod 323, the gear 322 is in key connection with the connecting rod 323, and the gear 322 is in sliding connection with the connecting rod 323 in the axial direction of the threaded rod 211. The gear 322 is connected with the connecting rod 323 by a key through coaxially and fixedly connecting the connecting rod 323 to the upper end of the threaded rod 211, so that the threaded rod 211 and the gear 322 synchronously rotate. One side of the gear 322, which is far away from the carrier beam 100, is provided with a limiting rod 324, the limiting rod 324 is abutted with the gear 322, the limiting rod 324 is used for limiting the gear 322 to move in the axial direction of the threaded rod 211, and the stability of connection between the gear 322 and the rack 321 is improved.

Referring to fig. 3, a battery pack 500 is provided with a locking hole 520 engaged with the T-bolt 210, a driving mechanism 300 is connected with the T-bolt 210, and the driving mechanism 300 is used for driving the T-bolt 210 to rotate to be locked in rotation in cooperation with the locking hole 520. The locking hole 520 may be a waist-shaped hole matching with the shape of the bolt head 212, when the battery pack 500 moves upwards along the vertical direction to make the bolt head 212 pass through the locking hole 520, the driving mechanism drives the T-shaped bolt 210 to rotate by a certain angle, for example, 90 degrees, so that the bolt head 212 is in a locking state, and at this time, the shells on two sides of the locking hole on the battery pack 500 are hung on the bolt head, so that the locking connection between the battery pack 500 and the load beam 100 is realized.

Referring to fig. 1 and 3, in the present embodiment, the battery pack 500 includes a lower case 510, a recess 511 for plugging the load beam 100 is provided on the lower case 510, a support 512 is provided in the recess 511, and a locking hole 520 is provided on the support 512. By arranging the concave part 511 for plugging the bearing beam 100 on the battery pack 500, when the battery pack 500 is connected with the bearing beam 100, the bearing beam 100 is plugged into the concave part 511 of the battery pack 500, so that the space occupied by the battery pack 500 below the bearing beam 100 is reduced.

The battery pack 500 further includes a battery end electrical connector, and the load beam 100 is provided with a vehicle end electrical connector, so that when the battery pack 500 is in locking connection with the load beam 100, the battery end electrical connector and the vehicle end electrical connector are electrically connected.

The non-mentioned places in the application can be realized by adopting or referring to the prior art.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (12)

1. An electric vehicle comprising a load beam extending along a length of the vehicle, characterized in that: the utility model discloses a battery pack, including the back-up, the back-up is equipped with the back-up, be equipped with the locking mechanism on the back-up, the locking mechanism includes the locking lever, the locking lever runs through along vertical direction the back-up, the locking lever is used for rotatory in order to lock the battery pack under actuating mechanism's drive.

2. An electric vehicle as claimed in claim 1, characterized in that: the locking rod comprises a T-shaped bolt, the T-shaped bolt comprises a threaded rod and a bolt head, the extending direction of the bolt head is perpendicular to the axial direction of the threaded rod, the bolt head is located below the bearing beam, and the threaded rod penetrates through the bearing beam.

3. An electric vehicle as claimed in claim 2, characterized in that: the locking mechanism further comprises a lock seat, the lock seat is arranged at the top of the bearing beam, and the threaded rod is in threaded connection with the lock seat.

4. An electric vehicle as claimed in claim 1, characterized in that: and a plurality of groups of locking mechanisms are arranged on the bearing beam at intervals along the length direction of the bearing beam.

5. An electric vehicle as claimed in claim 2, characterized in that: the driving mechanism is arranged on the bearing beam and used for driving the threaded rod to rotate so as to drive the bolt head to switch between a locking state and an unlocking state.

6. An electric vehicle as set forth in claim 5, wherein: the driving mechanism comprises a driving part and a meshing transmission part, and the driving part drives the threaded rod to rotate through the meshing transmission part.

7. An electric vehicle as set forth in claim 6, wherein: the meshing transmission part comprises a rack which is connected to the bearing beam in a sliding way and a gear which is connected to the threaded rod, the gear and the threaded rod synchronously rotate, the gear is meshed with the rack, the rack is connected with the driving part, and the driving part drives the rack to slide along the length direction of the bearing beam so as to drive the threaded rod to rotate.

8. An electric vehicle as set forth in claim 7, wherein: the upper end of the threaded rod is coaxially and fixedly connected with a connecting rod, the gear is in key connection with the connecting rod, and the gear is in sliding connection with the connecting rod in the axial direction of the threaded rod.

9. An electric vehicle as set forth in claim 8, wherein: one side of the gear, which is far away from the bearing beam, is provided with a limiting rod, the limiting rod is in butt joint with the gear, and the limiting rod is used for limiting the gear to move in the axial direction of the screw rod.

10. An electric vehicle as claimed in claim 3, characterized in that: the lock seat comprises a floating lock box, the other end of the threaded rod is connected with the floating lock box, and the T-shaped bolt is movably connected with the bearing beam through the floating lock box.

11. An electric vehicle as claimed in claim 2, characterized in that: the battery pack is provided with a locking hole matched with the T-shaped bolt, the driving mechanism is connected with the T-shaped bolt and is used for driving the T-shaped bolt to rotate so as to be matched with the locking hole to rotate and lock.

12. An electric vehicle as claimed in claim 11, characterized in that: the battery pack comprises a lower box body, a concave part for inserting the bearing beam is arranged on the lower box body, a supporting part is arranged in the concave part, and the locking hole is formed in the supporting part.