CN117774651A - Floating locking mechanism and electric vehicle - Google Patents

Abstract

The application relates to the technical field of electric vehicles and discloses a floating locking mechanism, including locating electric vehicle's floating bolt subassembly, the floating bolt subassembly is used for the rotatory locking of locking hole cooperation with the battery package. The station end locking and unlocking device has the effect of relieving the problems of complex station end locking and unlocking operation and low efficiency in the prior art.

Description

Floating locking mechanism and electric vehicle

Technical Field

The application relates to the field of electric vehicles, in particular to a floating locking mechanism and 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 a locking mechanism floats.

The application provides a locking mechanism floats adopts following technical scheme:

a floating locking mechanism comprises a floating bolt assembly arranged on an electric vehicle, wherein the floating bolt assembly is used for being matched with a locking hole of a battery pack to be rotationally locked.

Through adopting above-mentioned technical scheme, locate the electric vehicle with floating bolt subassembly on, only need set up the locking hole on the battery package and can realize locking connection, through directly carrying out locking, unblock operation to the locking mechanism on the electric vehicle, reduced the degree of difficulty of standing end locking, unblock operation, improved the efficiency of locking and unblock, reduced the cost of vehicle, realize the stable connection of battery package and electric vehicle.

Optionally, the floating bolt assembly includes floating lock box and T type bolt, floating lock box is connected with electric vehicle, T type bolt and floating lock box threaded connection, T type bolt passes through floating lock box and electric vehicle swing joint.

Through adopting above-mentioned technical scheme, utilize the floating lock box with T type bolt and electric vehicle swing joint, improve T type bolt and locking hole complex convenience, reduce the possibility that the condition of location was crossed to appear.

Optionally, the T-shaped bolt comprises a threaded rod and a threaded rod head, one end of the threaded rod is in threaded connection with the floating lock box, the threaded rod head is arranged at the other end of the threaded rod far away from the floating lock box, and the threaded rod head and the threaded rod are of a T-shaped structure.

Optionally, the floating lock box includes connecting seat and floating seat, connecting seat detachably connects on electric vehicle, floating seat pass through elastic component with the connecting seat is connected in a floating way, be equipped with the screw thread portion that is used for supplying the threaded rod to connect on the floating seat.

Through adopting above-mentioned technical scheme, floating seat is connected with the connecting seat through elastic component, and T type bolt has certain removal allowance with the relative car end behind the floating seat connection, improves T type bolt and locking hole complex convenience.

Optionally, the threaded part is a nut, the nut is fixedly connected with the floating seat, and the nut is in threaded connection with the threaded rod; or the thread part is a threaded hole formed on the floating seat, and the threaded hole is used for being connected with the threaded rod.

Optionally, the elastic component is a plurality of, and a plurality of elastic components interval sets up in the periphery of floating seat.

Through adopting above-mentioned technical scheme, floating seat is connected with the connecting seat through a plurality of elastic component that set up in its periphery, improves the stability of being connected between floating seat and the connecting seat.

Optionally, the elastic component is the extension spring, set up the hook hole on the floating seat, the one end of extension spring is hung and is located on the hook hole, be provided with two link plates on the connecting seat, the floating seat is located two between the link plate, the extension spring other end with link plate fixed connection.

Optionally, two limiting plates are oppositely arranged on the two hanging plates, two limiting grooves with opposite openings are arranged on the limiting parts, and the limiting grooves are used for limiting the movement of the floating seat.

Optionally, the limiting groove is an arc groove, and the diameter of a limiting hole formed by the two limiting grooves is larger than the outer diameter of the nut.

Through adopting above-mentioned technical scheme, set up the limiting plate on two link plates to set up the spacing groove on the limiting plate, utilize two spacing grooves to form the spacing hole that the restriction nut removed, restrict the removal of floating seat through the removal of restriction nut.

Optionally, the floating seat is located the connecting seat deviates from one side of bolt head, the connecting hole has been seted up on the connecting seat, the threaded rod keep away from the one end of bolt head pass behind the connecting hole with floating seat threaded connection, the aperture of connecting hole is greater than the diameter of screw rod, the diameter of connecting hole is greater than the diameter of spacing hole.

Through adopting above-mentioned technical scheme, after the one end that the bolt head was kept away from to the threaded rod passes the connecting hole with floating seat threaded connection, the diameter of nut is greater than the diameter of threaded rod, and the directness in spacing hole is less than or equal to the diameter of connecting hole reduces the possibility that bumps appears between threaded rod and the mount pad through utilizing the removal of spacing hole restriction nut.

Optionally, one end of the bolt head away from the threaded rod is provided with a power matching part, and the power matching part is used for being connected with a bolt driving device.

Through adopting above-mentioned technical scheme, set up power cooperation portion on the bolt head, power cooperation portion is used for being connected with the bolt driving equipment that rotates T type bolt usefulness, improves and carries out pivoted convenience to T type bolt.

In order to alleviate at least one of the above technical problems, the present application also provides an electric vehicle.

The application provides an electric vehicle adopts following technical scheme:

the utility model provides an electric vehicle, includes battery package and foretell a locking mechanism floats, the locking hole has been seted up on the battery package, the locking hole be with the bolt head matched with waist shape hole of floating bolt, the locking hole is used for supplying the bolt head passes the back rotation and presets behind the angle locking.

Optionally, the battery package is last to be equipped with the locking board, the locking hole is seted up on the locking board, when the bolt head rotates predetermined angle back, the locking board by the bolt head with the connecting seat compresses tightly the locking.

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

1. the floating bolt assembly is arranged on the electric vehicle, the locking connection can be realized only by arranging the locking hole on the battery pack, and the locking and unlocking operations are directly performed on the locking mechanism on the electric vehicle, so that the difficulty of the locking and unlocking operations at the station end is reduced, the locking and unlocking efficiency is improved, the cost of the vehicle is reduced, and the stable connection between the battery pack and the electric vehicle is realized;

2. the T-shaped bolt is movably connected with the electric vehicle by utilizing the floating lock box, so that the convenience of matching the T-shaped bolt with the locking hole is improved, and the possibility of over-positioning is reduced;

3. through set up power cooperation portion on the bolt head, power cooperation portion is used for being connected with the bolt driving equipment that rotates T type bolt usefulness, improves and carries out pivoted convenience to T type bolt.

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 view of the structure of a locking mechanism portion and a battery pack portion in an embodiment of the present application;

FIG. 3 is a schematic view of the structure of a floating lock box portion and a T-bolt portion in an embodiment of the present application;

FIG. 4 is a schematic view of the structure of a fastener portion in an embodiment of the present application;

FIG. 5 is a schematic view of the structure of a floating seat portion in an embodiment of the present application;

fig. 6 is a schematic structural view of a connecting seat portion in an embodiment of the present application.

Reference numerals: 100. a bracket is quickly replaced; 200. a battery pack; 210. a locking plate; 211. a locking hole; 300. a locking mechanism; 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 T-shaped bolt; 510. a threaded rod; 520. a bolt head.

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. 1-6.

The embodiment of the application discloses a floating locking mechanism for supply battery package 200 locking to connect on electric vehicle, including locating electric vehicle's floating bolt subassembly, floating bolt subassembly is used for the rotatory locking of locking hole 211 cooperation with battery package 200. The floating bolt assembly is provided at the vehicle end of the electric vehicle, and may be a vehicle chassis or a quick-change bracket 100 provided on the vehicle chassis.

When the battery pack 200 is installed, after the battery pack 200 is moved to a preset position at the bottom of the electric vehicle through external battery replacement equipment, at least part of the floating bolt assembly enters the locking hole 211 of the battery pack 200, the battery pack 200 can be locked and connected with the chassis of the electric vehicle or the quick-change bracket 100 after the floating bolt assembly is driven to rotate for a preset angle, and corresponding operation can be performed when the battery pack 200 is disassembled.

The floating bolt assembly is arranged on the electric vehicle, the locking connection can be realized only by arranging the locking hole 211 on the battery pack 200, and the locking and unlocking operations are directly performed on the locking mechanism 300 on the electric vehicle, so that the difficulty of locking and unlocking operations at the station end is reduced, the locking and unlocking efficiency is improved, the cost of the vehicle is reduced, and the stable connection between the battery pack 200 and the electric vehicle is realized.

Referring to fig. 1, in the present embodiment, the battery pack 200 is connected to the quick-change bracket 100 of the chassis of the vehicle through the locking mechanism 300, the quick-change bracket 100 is detachably connected to the chassis of the vehicle through a fastener, and in other embodiments, the battery pack 200 may be directly connected to the chassis of the vehicle through the locking mechanism 300.

Referring to fig. 2, 3 and 4, the floating bolt assembly includes a floating lock case 400 and a T-bolt 500, the floating lock case 400 is connected with an electric vehicle, the T-bolt 500 is screw-connected with the floating lock case 400, and the T-bolt 500 is movably connected with the electric vehicle through the floating lock case 400. The T-bolt 500 is mounted on the electric vehicle through the floating lock case 400 such that the T-bolt 500 has a certain floating margin in the floating lock case 400 while facilitating the driving mechanism to drive the T-bolt 500 to rotate by a predetermined angle to perform the locking or unlocking operation. Meanwhile, the mounting structure of the floating bolt assembly is simplified without complicated modification of the chassis of the electric vehicle, and the floating lock box 400 can be directly mounted on the quick-change bracket 100.

Referring to fig. 3 and 4, the T-bolt 500 includes a threaded rod 510 and a bolt head 520, one end of the threaded rod 510 is in threaded connection with the floating lock case 400, the bolt head 520 is provided at the other end of the threaded rod 510 remote from the floating lock case 400, and the bolt head 520 and the threaded rod 510 are in a T-shaped structure. The bolt head 520 is fixedly connected to the other end of the threaded rod 510, when the battery pack 200 is mounted, the bolt head 520 enters the locking hole 211 of the battery pack 200, and after rotating for a certain angle, the bolt head 520 is limited by the locking hole 211, and the bolt head 520 cannot be separated from the locking hole 211. By the arrangement of the structure, the battery pack 200 can be locked and unlocked by moving the battery pack in the vertical direction at the bottom of the electric vehicle, and the section of the bolt head 520 perpendicular to the threaded rod 510 is waist-shaped.

Referring to fig. 5 and 6, the floating lock case 400 includes a coupling seat 410 and a floating seat 430, the coupling seat 410 being detachably coupled to the electric vehicle, the floating seat 430 being floatingly coupled to the coupling seat 410 through an elastic member, the floating seat 430 being provided with a screw portion for coupling the screw rod 510. 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 500 is connected with the floating seat 430, so that the convenience of matching the T-shaped bolt 500 with the locking hole 211 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 510. In other preferred embodiments, the threaded portion may be a threaded hole formed in the floating seat 430 for connection with the threaded rod 510.

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. 5 and 6, the floating seat 430 is located at a side of the connection seat 410 facing away from the bolt head 520, and the connection seat 410 is provided with a connection hole 411. One end of the threaded rod 510 far away from the bolt head 520 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 510, 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 510, and the diameter of the limiting hole is directly smaller than or equal to that of the connection hole 411, so that the possibility of collision between the threaded rod 510 and the mounting seat is reduced by limiting the movement of the nut 432 by the limiting hole.

Referring to fig. 3, an end of the bolt head 520 remote from the threaded rod 510 is provided with a power fitting portion for connection with a bolt driving apparatus. The power fitting portion includes a fitting hole having a polygonal horizontal section (regular hexagon in this embodiment). Through set up power cooperation portion on bolt head 520, power cooperation portion is used for being connected with the bolt driving equipment that rotates T type bolt 500 usefulness, improves the convenience to rotate T type bolt 500.

The embodiment also discloses an electric vehicle, which comprises a battery pack 200 and a floating locking mechanism 300, wherein a locking hole 211 is formed in the battery pack 200, the locking hole 211 is a kidney-shaped hole matched with a bolt head 520 of a floating bolt, and the locking hole 211 is used for allowing the bolt head 520 to pass through and then rotate for a preset angle to be locked.

In another preferred embodiment, the battery pack 200 is provided with the locking plate 210, the locking hole 211 is formed in the locking plate 210, and the locking plate 210 is pressed and locked by the bolt head 520 and the connection holder 410 after the bolt head 520 is rotated by a predetermined angle.

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 (10)

1. A floating locking mechanism for supply battery package locking to connect on electric vehicle, its characterized in that: the electric vehicle comprises a floating bolt assembly arranged on the electric vehicle, wherein the floating bolt assembly is used for being matched with a locking hole of a battery pack to be rotationally locked.

2. A floating locking mechanism as set forth in claim 1 wherein: the floating bolt assembly comprises a floating lock box and a T-shaped bolt, the floating lock box is connected with the electric vehicle, the T-shaped bolt is in threaded connection with the floating lock box, and the T-shaped bolt is movably connected with the electric vehicle through the floating lock box.

3. A floating locking mechanism as set forth in claim 2 wherein: the T-shaped bolt comprises a threaded rod and a threaded rod head, one end of the threaded rod is in threaded connection with the floating lock box, the threaded rod head is arranged at the other end of the threaded rod, which is far away from the floating lock box, and the threaded rod head and the threaded rod are of a T-shaped structure.

4. A floating locking mechanism as set forth in claim 3 wherein: the floating lock box comprises a connecting seat and a floating seat, wherein the connecting seat is detachably connected to the electric vehicle, the floating seat is in floating connection with the connecting seat through an elastic component, and a threaded portion for connecting a threaded rod is arranged on the floating seat.

5. A floating locking mechanism as set forth in claim 4 wherein: the threaded part is a nut which is fixedly connected with the floating seat, and the nut is in threaded connection with the threaded rod; or the thread part is a threaded hole formed on the floating seat, and the threaded hole is used for being connected with the threaded rod.

6. A floating locking mechanism as set forth in claim 4 wherein: the elastic components are arranged at intervals on the periphery of the floating seat; and/or the elastic component is a tension spring, a hook hole is formed in the floating seat, one end of the tension spring is hung on the hook hole, two hanging plates are arranged on the connecting seat, the floating seat is positioned between the two hanging plates, and the other end of the tension spring is fixedly connected with the hanging plates.

7. A floating locking mechanism as set forth in claim 6 wherein: two limiting plates are oppositely arranged on the hanging plates, limiting grooves with opposite openings are formed in the limiting portions, and the limiting grooves are used for limiting movement of the floating seat.

8. A floating locking mechanism as set forth in claim 7 wherein: the limiting groove is an arc groove, the diameter of a limiting hole formed by the two limiting grooves is larger than the outer diameter of the nut, the floating seat is located on one side, away from the bolt head, of the connecting seat, a connecting hole is formed in the connecting seat, one end, away from the bolt head, of the threaded rod penetrates through the connecting hole and then is in threaded connection with the floating seat, the diameter of the connecting hole is larger than that of the threaded rod, and the diameter of the connecting hole is larger than that of the limiting hole.

9. An electric vehicle characterized by: the floating locking mechanism comprises a battery pack and the floating locking mechanism as claimed in any one of claims 1-8, wherein a locking hole is formed in the battery pack, the locking hole is a kidney-shaped hole matched with a bolt head of the floating bolt, and the locking hole is used for allowing the bolt head to pass through and then rotate for a preset angle to be locked.

10. An electric vehicle as claimed in claim 11, characterized in that: the battery pack is provided with a locking plate, the locking hole is formed in the locking plate, and after the bolt head rotates for a preset angle, the locking plate is pressed and locked by the bolt head and the connecting seat.