CN220076120U - Locking mechanism - Google Patents

Abstract

The utility model relates to the technical field of electric vehicles and discloses a locking mechanism, which is used for enabling a battery pack to be connected to the electric vehicle in a locking way and comprises a locking piece arranged on the electric vehicle and a sliding locking assembly arranged on the battery pack, wherein the sliding locking assembly is used for being connected with the locking piece in a sliding locking way, the sliding locking assembly comprises a sliding plate and a fixing piece, the fixing piece is arranged on the battery pack, the fixing piece is provided with a locking hole for the locking piece to pass through, the sliding plate is connected with the fixing piece in a sliding way, the sliding plate slides between a first position and a second position relative to the fixing piece, the locking piece can be separated from the locking hole when the sliding plate is positioned at the first position, and the sliding plate is used for limiting the locking piece to leave the locking hole when the sliding plate is positioned at the second position. The utility model has the effect of improving the safety and reliability of power conversion.

Description

Locking mechanism

Technical Field

The utility model relates to the field of electric vehicles, in particular to a locking mechanism.

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 typically removably secured to the vehicle's bracket and the battery pack can be removed and a fully charged battery pack installed. The replaced battery pack can be charged independently in the power exchange station and can be installed on a vehicle for subsequent power exchange after the charging is finished. 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.

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 solve the problems of complex locking and unlocking operations and low efficiency of a station end in the prior art, the utility model provides a floating locking mechanism.

The utility model provides a locking mechanism, which adopts the following technical scheme:

a locking mechanism for supply battery package locking to connect on electric vehicle, its characterized in that: the sliding locking assembly is used for being in sliding locking connection with the locking piece.

Through adopting above-mentioned technical scheme, set up the locking piece on electric vehicle, be provided with the slip locking subassembly on the battery package, slip locking subassembly and locking piece slip locking connection to realize battery package and electric vehicle's detachable connection.

Optionally, the slip locking subassembly includes slide and mounting, the mounting is located on the battery package, the mounting is equipped with the confession the locking hole that the locking piece passed, the slide with mounting sliding connection, the slide slides between the first position and the second position of relative mounting, works as the slide is located the first position, the locking piece can break away from the locking hole, works as the slide is located the second position, the slide is used for restricting the locking piece leaves the locking hole.

By adopting the technical scheme, the fixing piece is provided with the locking hole for the locking piece to pass through, the sliding plate is connected with the fixing piece in a sliding way, and the sliding plate slides between a first position and a second position relative to the fixing piece; when the battery pack is connected with the electric vehicle, the battery pack is lifted from bottom to top, the locking piece penetrates through the locking hole, the sliding plate is moved to the second position, the locking piece is limited to leave the locking hole by the sliding plate, locking of the locking piece and the battery pack is achieved, and therefore the battery pack is connected onto a vehicle body from bottom to top and located below a vehicle body girder. The battery pack is replaced below the girder of the automobile body in a chassis type electricity replacing mode, firstly, the battery pack for the chassis type electricity replacing is operated below the girder of the automobile body for replacement, various safety risks in the hoisting process can be avoided, and the electricity replacing safety is greatly improved; secondly, the chassis type power conversion mainly utilizes the space below the girder of the vehicle body to convert the power, and does not occupy more space, so that the power conversion station has compact structure and low cost; furthermore, the battery pack is arranged below the girder of the vehicle body, so that the gravity center of the battery pack can be reduced, the safety risk caused by shaking of the battery pack in the running process of the vehicle is avoided, and the safety and stability of the vehicle are improved.

Optionally, a first hole and a second hole which are communicated are formed in the sliding plate, when the sliding plate is located at a first position, the first hole is communicated with the locking hole and used for allowing the locking piece to pass through, when the sliding plate is located at a second position, the second hole is communicated with the locking hole and used for limiting the locking piece to be separated from the locking hole, and the aperture of the first hole is larger than that of the second hole.

By adopting the technical scheme, the first hole and the second hole which are communicated are formed in the sliding plate, the diameter of the first hole is larger than that of the second hole, when the battery pack is connected with the electric vehicle, the sliding plate is positioned at the first position, the first hole is communicated with the locking hole, and the locking piece sequentially penetrates through the locking hole and the first hole; after the locking piece passes through the first hole, the sliding plate is moved to a second position, the locking hole is communicated with the second hole, the locking piece enters the second hole, and the movement of the locking piece is limited by utilizing the second hole, so that the locking piece cannot be separated from the locking hole, and the locking of the locking piece and the battery pack is realized.

Optionally, the slide includes body portion and is located the turn-ups of body portion both sides, turn-ups perpendicular to body portion, first hole, second hole are located body portion, the mounting has the holding chamber the slide is located the holding intracavity, body portion passes through the turn-ups with at least one side inner wall clearance setting in holding chamber.

Optionally, a pin hole for plugging an external pin shaft mechanism is formed in the sliding plate, a waist-shaped hole for guiding the pin shaft mechanism to move is formed in the fixing piece, and the sliding plate slides relative to the fixing piece under the movement of the pin shaft mechanism.

Through adopting above-mentioned technical scheme, offer the pinhole on the slide, when trading electric vehicle, the round pin axle mechanism accessible pinhole and the slide of outside battery replacement equipment are connected, and round pin axle mechanism removes under the guide in waist type hole, and round pin axle mechanism removes the in-process and drives the slide and remove, improves the convenience that the slide removed to improve the efficiency of trading the electricity.

Optionally, the fixing piece is provided with a limiting part for limiting the sliding plate to slide out of the fixing piece.

Optionally, the locking member includes a locking rod portion and a locking head portion, the first hole has a diameter larger than the diameter of the locking head portion, and the second hole has a diameter smaller than the diameter of the locking head portion.

By adopting the technical scheme, the locking piece comprises the locking rod part and the locking head part, when the battery pack is connected with the electric vehicle, the sliding plate is positioned at the first position, and the locking head part can sequentially pass through the locking hole and the first hole because the aperture of the first hole is larger than the diameter of the locking head part; after the locking head passes through the first hole, the sliding plate is moved to a second position, so that the second hole is communicated with the locking hole, the aperture of the second hole is smaller than the diameter of the locking head, and the movement of the locking head is limited by the second hole, so that the locking head cannot be separated from the locking hole.

Optionally, a communication part is arranged between the first hole and the second hole, and the width of the communication part is larger than the diameter of the locking rod part.

Through adopting above-mentioned technical scheme, have the intercommunication portion between first hole and the second hole, the width of intercommunication portion is greater than the diameter of locking pole portion, and when the slide moved between first position and second position, locking pole portion moved between first hole and second hole via the intercommunication portion.

Optionally, the diameter of the locking head is smaller than the diameter of the locking hole.

Optionally, the locking pole portion is kept away from the one end of locking head is connected with electric vehicle through floating lock box, floating lock box includes connecting seat and floating seat, the connecting seat is connected with electric vehicle detachably, floating seat pass through elastic component with the connecting seat is floated and is connected, be equipped with the screw thread portion that is used for supplying locking pole portion to connect on the floating seat.

Through adopting above-mentioned technical scheme, the one end that locking head was kept away from to locking pole portion is connected with floating seat screw thread, and floating seat passes through elastic component and is connected with the connecting seat, and relative electric vehicle has certain removal allowance after locking pole portion is connected with floating seat, improves locking piece and locking hole complex convenience.

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

Optionally, the elastic component is the extension spring, the hook hole has been seted up to the week side of 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, floating seat is located two between the link plate, the extension spring other end with link plate fixed connection.

Through adopting above-mentioned technical scheme, floating seat passes through the extension spring to be connected between two link plates, utilizes the extension spring to restrict the removal of floating seat, improves the convenience that locking piece and locking hole are connected.

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.

Through adopting above-mentioned technical scheme, set up two limiting plates relatively on two link plates, be equipped with the spacing groove that the opening is relative on two limiting plates, utilize the spacing groove to further restrict the removal of 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 locking head, the connecting hole has been seted up on the connecting seat, locking pole portion keep away from one end of locking head pass behind the connecting hole with floating seat threaded connection, the aperture of connecting hole is greater than locking pole portion's diameter, spacing hole directly be less than or equal to the diameter of connecting hole.

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

Optionally, one end of the locking head portion away from the locking rod portion is provided with a power matching portion, and the power matching portion is used for being connected with bolt fastening equipment.

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

Optionally, the mounting is hollow cavity structure, the slide is located cavity structure, locking Kong Kaishe is in on the roof of mounting, the operation hole has been seted up on the diapire of mounting, the operation hole with the coaxial setting of locking hole.

Through adopting above-mentioned technical scheme, set up the operation hole on the diapire of mounting, when trading the electricity, bolt-up equipment can be connected with power cooperation portion through the operation hole, improves the convenience of trading the electricity.

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

1. the battery pack is provided with the sliding locking assembly which is in sliding locking connection with the locking piece, so that the battery pack and the electric vehicle are detachably connected;

2. the locking hole for the locking piece to pass through is formed in the fixing piece, the sliding plate is in sliding connection with the fixing piece, the sliding plate slides between a first position and a second position relative to the fixing piece, when the battery pack is connected with the electric vehicle, the battery pack is lifted from bottom to top, the locking piece passes through the locking hole, the sliding plate is moved to the second position, the locking piece is limited by the sliding plate to leave the locking hole, and locking of the locking piece and the battery pack is achieved, so that the battery pack is connected onto the vehicle body from bottom to top and is positioned below the girder of the vehicle body; the battery pack is replaced below the girder of the automobile body in a chassis type electricity replacing mode, firstly, the battery pack for the chassis type electricity replacing is operated below the girder of the automobile body for replacement, various safety risks in the hoisting process can be avoided, and the electricity replacing safety is greatly improved; secondly, the chassis type power conversion mainly utilizes the space below the girder of the vehicle body to convert the power, and does not occupy more space, so that the power conversion station has compact structure and low cost; furthermore, the battery pack is arranged below the vehicle body girder, so that the gravity center of the battery pack can be reduced, the safety risk caused by shaking of the battery pack in the running process of a vehicle is avoided, and the safety and stability of the vehicle are improved;

3. through seting up the pinhole on the slide, when trading the electric vehicle, the round pin axle mechanism accessible pinhole and the slide of outside battery-operated equipment are connected, and round pin axle mechanism removes under the guide in waist hole, and round pin axle mechanism removes the in-process and drives the slide and remove, improves the convenience that the slide removed to improve the efficiency of trading the electricity.

Drawings

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

FIG. 1 is a schematic overall construction of an embodiment of the utility model (some of the structural features are omitted from the drawing);

FIG. 2 is a schematic view of a latch portion according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a skateboard according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a fixing member according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a fixing member according to an embodiment of the present utility model;

FIG. 6 is a schematic view of the structure of a floating lock box portion in an embodiment of the present utility model;

FIG. 7 is a schematic view of the structure of a floating seat portion in an embodiment of the present utility model;

fig. 8 is a schematic structural view of a connection base portion according to an embodiment of the present utility model.

Reference numerals: 100. a locking member; 110. a locking head; 120. a locking lever portion; 200. a slide lock assembly; 210. a slide plate; 211. a first hole; 212. a second hole; 213. a communication section; 214. a pin hole; 215. a body portion; 216. flanging; 220. a fixing member; 221. a locking hole; 222. a waist-shaped hole; 223. an operation hole; 224. a receiving chamber; 300. a floating lock box; 310. a connecting seat; 311. a connection hole; 320. a hanging plate; 330. a floating seat; 331. a mounting hole; 332. a nut; 333. a hook hole; 340. a tension spring; 350. a limiting plate; 351. and a limit groove.

Detailed Description

In order to more clearly illustrate the general inventive concept, the present utility model will be described in further detail below with reference to fig. 1-8.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below. It should be noted that, without conflict, embodiments of the present utility model and features in each embodiment may be combined with each other.

The embodiment of the utility model discloses a locking mechanism.

Referring to fig. 1 and 2, a locking mechanism includes a locking member 100 mounted on an electric vehicle and a sliding locking assembly 200 mounted on a battery pack, and the battery pack is locked to the electric vehicle by sliding locking connection of the sliding locking assembly 200 and the locking member 100, thereby achieving detachable connection of the battery pack and the electric vehicle.

Referring to fig. 2 and 3, the slide locking assembly 200 includes a slide plate 210 and a fixing member 220, and the fixing member 220 is fixedly coupled with the battery pack. The fixing member 220 is provided with a locking hole 221 through which the locking member 100 passes. Slide 210 is slidably coupled to mount 220 such that slide 210 slides between a first position relative to mount 220 and a second position, wherein lock member 100 is disengaged from lock aperture 221 when slide 210 is in the first position and slide 210 is configured to limit lock member 100 from exiting lock aperture 221 when slide 210 is in the second position.

When the battery pack is connected with the electric vehicle, the battery pack is lifted from bottom to top, the locking piece 100 penetrates through the locking hole 221, the sliding plate 210 is moved to the second position, the locking piece 100 is limited to be away from the locking hole 221 by the sliding plate 210, locking of the locking piece 100 and the battery pack is achieved, and therefore the battery pack is connected onto a vehicle body from bottom to top and is located below a girder of the vehicle body.

The battery pack is replaced below the girder of the automobile body in a chassis type electricity replacing mode, firstly, the battery pack for the chassis type electricity replacing is operated below the girder of the automobile body for replacement, various safety risks in the hoisting process can be avoided, and the electricity replacing safety is greatly improved; secondly, the chassis type power conversion mainly utilizes the space below the girder of the vehicle body to convert the power, and does not occupy more space, so that the power conversion station has compact structure and low cost; furthermore, the battery pack is arranged below the girder of the vehicle body, so that the gravity center of the battery pack can be reduced, the safety risk caused by shaking of the battery pack in the running process of the vehicle is avoided, and the safety and stability of the vehicle are improved.

In a preferred embodiment, referring to fig. 3, 4 and 5, the sliding plate 210 is provided with a first hole 211 and a second hole 212 which are communicated, and when the sliding plate 210 is located at the first position, the first hole 211 is communicated with the locking hole 221 for the locking member 100 to pass through; when the slide plate 210 is in the second position, the second hole 212 communicates with the locking hole 221 for restricting the locking member 100 from being separated from the locking hole 221, and the first hole 211 has a larger aperture than the second hole 212.

The sliding plate 210 comprises a body 215 and flanges 216 positioned on two sides of the body 215, the flanges 216 are perpendicular to the body 215, the first hole 211 and the second hole 212 are positioned on the body 215, a containing cavity 224 is formed in the fixing piece 220, the sliding plate 210 is positioned in the containing cavity 224, and the body 215 is arranged with at least one side inner wall of the containing cavity 224 through the flanges 216 in a clearance mode. By the arrangement of the gaps, the contact surface between the body part 215 provided with the first hole 211 and the second hole 212 and the fixing piece 220 is reduced, friction between the body part and the fixing piece is reduced, and the sliding plate 210 is conveniently driven by an external driving mechanism to slide and lock.

Further, the locking member 100 includes a locking lever 120 and a locking head 110, the first hole 211 has a larger diameter than the locking head 110, the second hole 212 has a smaller diameter than the locking head 110, and the second hole 212 has a larger diameter than the locking lever 120.

When the battery pack is connected with the electric vehicle, the sliding plate 210 is moved to the first position, and the locking head 110 can sequentially pass through the locking hole 221 and the first hole 211 because the aperture of the first hole 211 is larger than the diameter of the locking head 110; after the locking head 110 passes through the first hole 211, the sliding plate 210 is moved to a second position such that the second hole 212 communicates with the locking hole 221, the second hole 212 has a smaller diameter than the locking head 110, and the movement of the locking head 110 is restricted by the second hole 212 such that the locking head 110 cannot be separated from the locking hole 221.

Further, referring to fig. 3, a communication portion 213 is provided between the first hole 211 and the second hole 212, and a width of the communication portion 213 is larger than a diameter of the locking lever 120. When the slide plate 210 moves between the first position and the second position, the lock lever 120 moves between the first hole 211 and the second hole 212 via the communication portion 213.

In a preferred embodiment, referring to fig. 3 and 5, the sliding plate 210 is provided with a pin hole 214 for inserting the external pin mechanism, the fixing member 220 is provided with a waist-shaped hole 222 for guiding the pin mechanism to move, and the sliding plate 210 slides relative to the fixing member 220 under the movement of the pin mechanism. The pin holes 214 are formed in the sliding plate 210, when the electric vehicle is powered on, the pin shaft mechanism of the external power switching device can be connected with the sliding plate 210 through the pin holes 214, the pin shaft mechanism moves under the guidance of the waist-shaped holes 222, the sliding plate 210 is driven to move in the moving process of the pin shaft mechanism, and the moving convenience of the sliding plate 210 is improved, so that the power switching efficiency is improved.

In a preferred embodiment, a limiting portion for limiting the sliding plate 210 sliding out of the accommodating cavity 224 of the fixing member 220 is fixedly connected to the fixing member 220.

In a preferred embodiment, referring to fig. 2, 6 and 7, the end of the locking lever 120 remote from the locking head 110 is connected to the electric vehicle by a floating lock box 300. The floating lock box 300 includes a connection base 310, and the connection base 310 is detachably connected with the quick-change bracket. The floating seat 330 is floatingly coupled to the coupling seat 310 by an elastic member, and a screw part for coupling the locking lever part 120 is mounted on the floating seat 330. Through floating connection of the floating seat 330 and the connecting seat 310, a certain movement allowance exists relative to the electric vehicle after the locking rod part 120 is connected with the floating seat 330, when a certain error exists in the position of the locking hole 221, the locking piece 100 can still be connected with the locking hole 221, the possibility of over-positioning is reduced, and the convenience of matching the locking piece 100 with the locking hole 221 is improved.

The floating mount 330 is provided with a mounting hole 331 in a vertical direction, and the floating mount 330 is provided with a screw portion. The threaded portion in this embodiment is a nut 332 that is mounted in the mounting hole 331. In other embodiments, the screw portion may be a screw hole formed by providing a screw on the inner wall of the mounting hole 331. The nut 332 is fixedly connected with the floating seat 330, and the nut 332 is coaxially arranged with the mounting hole 331 and partially protrudes out of the upper end of the mounting hole 331.

Through the threaded connection of the locking rod and the nut 332, after the locking rod portion 120 enters the second hole 212, the locking piece 100 is rotated to enable the locking head 110 to move upwards until the locking head 110 abuts against the fixing piece 220, the fixing piece 220 is tightly pressed between the locking head 110 and the connecting seat 310, and stability of connection between the battery pack and the quick-change bracket is improved.

In a preferred embodiment, referring to fig. 6 and 7, two hanging plates 320 are installed above the connection base 310 and are arranged in parallel, and both hanging plates 320 are fixedly connected with the connection base 310 vertically. The floating mount 330 is floatingly coupled to the hanging plate 320 by a plurality of elastic members provided at the periphery thereof. The elastic component in this embodiment is a tension spring 340. The circumference of the floating seat 330 is provided with a hook hole 333, one end of the tension spring 340 is hung on the hook hole 333, and the other end of the tension spring 340 is fixedly connected with the hanging plate 320. The tension springs 340 are fixedly connected to two ends of the hanging plate 320 in the horizontal direction, and the tension springs 340 are symmetrically arranged. By connecting the floating mount 330 between the two hanging plates 320 using the plurality of tension springs 340, the movement of the floating mount 330 is restricted without the floating mount 330 being subjected to an external force, improving convenience of subsequent assembly.

Further, referring to fig. 6, 7 and 8, the connection seat 310 is provided with a connection hole 311, and the diameter of the connection hole 311 is larger than that of the threaded rod. The end of the locking rod 120 away from the locking head 110 may pass through the connection hole 311 and then extend into the mounting hole 331 to be screwed with the nut 332.

In a preferred embodiment, referring to fig. 6 and 7, two hanging plates 320 are hinged with a limiting plate 350 on one side close to each other, a semicircular limiting groove 351 is formed on one end of the limiting plate 350 away from the hanging plate 320, and when the two limiting plates 350 are in a horizontal state, the two limiting grooves 351 are combined to form a limiting hole.

Further, the diameter of the limiting hole is smaller than or equal to the diameter of the connecting hole 311, the nut 332 is located in the limiting hole, and the diameter of the limiting hole is larger than the outer diameter of the nut 332. By providing the limiting plates 350 on the two hanging plates 320, the movement of the nut 332 is limited by the limiting plates 350, the diameter of the nut 332 is larger than that of the locking rod portion 120, and the possibility of collision between the locking rod portion 120 and the mounting seat is reduced by limiting the movement of the nut 332. By hinging the limiting plate 350 to the hanging plate 320, the floating seat 330 is conveniently installed, and the convenience of assembling the movable lock box is improved.

In a preferred embodiment, the end of the locking head 110 remote from the locking lever 120 is provided with a power fitting portion for connection with a bolt fastening apparatus, the power fitting portion including a fitting hole having a polygonal horizontal section (regular hexagon in this embodiment). By providing the power fitting portion on the locking head 110 for connection with the bolt tightening apparatus for rotating the locking member 100, the convenience of rotating the locking member 100 is improved.

Further, the fixing member 220 is a hollow cavity structure, and the sliding plate 210 is located in the cavity structure. The locking hole 221 is opened on the top wall of the fixing member 220. The bottom wall of the fixing member 220 is provided with an operation hole 223, and the operation hole 223 is disposed coaxially with the locking hole 221. Through seting up operating hole 223 on the diapire of mounting 220, when trading the electricity, bolt-up equipment can be connected with power cooperation portion through operating hole 223, improves the convenience of trading the electricity.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

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 above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. A locking mechanism for supply battery package locking to connect on electric vehicle, its characterized in that: including setting up the locking piece on electric vehicle and setting up the slip locking subassembly on the battery package, slip locking subassembly be used for with locking piece slip locking connection, slip locking subassembly includes slide and mounting, the mounting is located on the battery package, the mounting is equipped with the confession the locking hole that the locking piece passed, the slide with mounting sliding connection, the slide slides between the first position and the second position of relative mounting, works as the slide is located the first position, the locking piece can break away from the locking hole, works as the slide is located the second position, the slide is used for the restriction the locking piece leaves the locking hole.

2. A locking mechanism as recited in claim 1, wherein: the sliding plate is provided with a first hole and a second hole which are communicated, when the sliding plate is positioned at a first position, the first hole is communicated with the locking hole and used for a locking piece to pass through, when the sliding plate is positioned at a second position, the second hole is communicated with the locking hole and used for limiting the locking piece to be separated from the locking hole, and the aperture of the first hole is larger than that of the second hole.

3. A locking mechanism as recited in claim 2, wherein: the sliding plate comprises a body part and flanges arranged on two sides of the body part, the flanges are perpendicular to the body part, the first holes and the second holes are arranged on the body part, the fixing piece is provided with a containing cavity, the sliding plate is arranged in the containing cavity, and the body part is arranged with at least one side inner wall gap of the containing cavity through the flanges.

4. A locking mechanism as recited in claim 2, wherein: the sliding plate is provided with a pin hole for being inserted into an external pin shaft mechanism, the fixing piece is provided with a waist-shaped hole for guiding the pin shaft mechanism to move, and the sliding plate slides relative to the fixing piece under the movement of the pin shaft mechanism.

5. A locking mechanism as recited in claim 2, wherein: the fixing piece is provided with a limiting part used for limiting the sliding plate to slide out of the fixing piece.

6. A locking mechanism as recited in claim 2, wherein: the locking piece comprises a locking rod part and a locking head part, the aperture of the first hole is larger than the diameter of the locking head part, and the aperture of the second hole is smaller than the diameter of the locking head part.

7. A locking mechanism as recited in claim 6, wherein: a communication part is arranged between the first hole and the second hole, and the width of the communication part is larger than the diameter of the locking rod part.

8. A locking mechanism as recited in claim 6, wherein: the diameter of the locking head is smaller than the diameter of the locking hole.

9. A locking mechanism as recited in claim 6, wherein: the locking head is connected with an electric vehicle through a floating lock box at one end of the locking rod part, the floating lock box comprises a connecting seat and a floating seat, the connecting seat is detachably connected with the electric vehicle, the floating seat is in floating connection with the connecting seat through an elastic component, and a threaded part for connecting the locking rod part is arranged on the floating seat.

10. A locking mechanism as recited in claim 9, wherein: the threaded part is a nut which is fixedly connected with the floating seat, and the nut is in threaded connection with the locking rod part; or the screw thread portion is a threaded hole formed in the floating seat, the threaded hole is used for being connected with the locking rod portion, and/or the elastic component is a tension spring, a hooking hole is formed in the periphery of the floating seat, one end of the tension spring is hung on the hooking hole, two hanging plates are arranged on the connecting seat, the floating seat is located between the two hanging plates, and the other end of the tension spring is fixedly connected with the hanging plates.