CN212447087U - Quick change power battery installing the system and electric automobile - Google Patents

Abstract

The utility model provides a quick change power battery installing the system and electric automobile, wherein quick change power battery installing the system includes: the quick-change power battery pack comprises a quick-change power battery pack with a locking part and a quick-change bracket provided with a locking mechanism assembly; the locking mechanism assembly includes: the locking mechanism body that corresponds with locking portion, adapting unit and at least one secondary locking mechanism with a plurality of locking mechanism body coupling, the first motion subassembly and the adapting unit of secondary locking mechanism are connected, and the second motion subassembly is through rotating to lean on and switch between the separation with first motion subassembly in the first direction with first motion subassembly. The utility model discloses a quick change power battery mounting system locks through relative lifting quick change power battery package after secondary locking mechanism unblock, carries out the linkage unblock through promoting connection structure, simple operation, and the reliability is higher, is favorable to improving the change efficiency of quick change power battery package.

Description

Quick change power battery installing the system and electric automobile

Technical Field

The utility model relates to an electric automobile technical field, in particular to quick change power battery installing the system and electric automobile.

Background

The electric automobile is a vehicle which takes a vehicle-mounted power supply as power, drives wheels by a motor, and meets various requirements of road traffic and safety regulations. It uses the electricity stored in the power cell for starting.

When the electric quantity of the power battery is exhausted, the power battery needs to be charged immediately to ensure the normal running of the electric automobile, although charging facilities are continuously improved at present everywhere to ensure that the charging is more convenient, under the condition that the user time is urgent, a method for replacing the power battery of the electric automobile is mainly selected to solve the problems, and when the electric quantity of the power battery is insufficient, a fully charged battery pack can be directly replaced at a charging station. In the prior art, a power battery of an electric automobile is generally fixedly connected or bolted with an automobile body, and the problems of complex process of installing and uninstalling the battery and long time consumption exist.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a technical purpose that will reach provides a quick change power battery installing the system and electric automobile for it is imperfect to solve current electric automobile facility of charging, and changes the longer problem of power battery process complicacy, time consuming.

In order to solve the technical problem, an embodiment of the utility model provides a quick change power battery mounting system, include:

the power battery pack quick-change device comprises a quick-change power battery pack, wherein a plurality of locking parts are arranged on the side wall of the quick-change power battery pack at intervals;

quickly replacing the bracket;

set up in the locking mechanism assembly of quick change support, the locking mechanism assembly includes:

a locking mechanism body that locks with the locking portion when the locking portion is inserted;

the connecting parts are connected to the first main board in a sliding mode, and the plurality of locking mechanism bodies are unlocked in a linkage mode through the connecting parts;

at least one secondary locking mechanism, secondary locking mechanism includes: the first moving assembly is connected with the connecting component, and the second moving assembly is arranged corresponding to the first moving assembly and abuts against the first moving assembly in the first direction when the second moving assembly is in the first locking position; the second motion assembly is separated from the first motion assembly when pivoted to the first unlocked position.

Preferably, the quick-change power battery mounting system as described above, the first moving assembly includes: and a first reset structure for resetting the first moving assembly to a second locking position against which the second moving assembly abuts.

Further, as mentioned above, the quick-change power battery mounting system, the second moving assembly includes: and a second reset structure for resetting the second moving assembly from the first unlocked position to the first locked position.

Preferably, the quick-change power battery mounting system as described above, further includes: a first sensor for detecting a position of the first moving component and/or a second sensor for detecting a position of the second moving component.

Specifically, as above-mentioned quick change power battery mounting system, the locking mechanism body includes: a ratchet and pawl;

the outer edge of the ratchet wheel is provided with a notch for inserting the locking part;

the pawl is connected with the connecting part;

when the ratchet wheel rotates around the ratchet wheel shaft to the locking state of the opening and the locking part, the pawl is connected with the ratchet wheel in a clamping mode.

Further, as above described quick change power battery mounting system, the locking mechanism body further includes:

and the pawl resetting structure is used for resetting the pawl to a position when the pawl is clamped with the ratchet wheel.

Preferably, as mentioned above, the quick-change power battery mounting system, the locking mechanism body further includes:

a microswitch;

when the ratchet wheel is in a locking state, the ratchet wheel is in contact with the microswitch.

Specifically, as above described quick change power battery mounting system, the locking mechanism body further includes: a third sensor for detecting the ratchet position.

Preferably, in the quick-change power battery mounting system as described above, the locking mechanism assembly includes: the unlocking operating rod is arranged on the pawl, and one end of the connecting rod is in contact connection with the unlocking operating rod;

the other end of the connecting rod is fixedly connected with the connecting part.

Specifically, according to the quick-change power battery mounting system, the quick-change bracket comprises a first main plate arranged oppositely;

the first main board includes: the side plate is arranged facing the quick-change power battery pack, and the top plate and the bottom plate are vertically arranged with the side plate;

the locking mechanism body is arranged on one side of the side plate, back to the quick-change power battery pack, the connecting part is arranged on one side of the top plate, back to the bottom plate, and the bottom plate and the side plate are both provided with U-shaped openings for the locking part to penetrate through.

Preferably, the quick-change power battery mounting system as described above, further includes:

the protective cover is buckled on the top plate and forms an accommodating space for accommodating the connecting part with the top plate.

Further, the quick-change power battery installation system as described above further includes: the protective plate is arranged on one side of the side plate, which is far away from the quick-change power battery pack, and is fixedly connected with the top plate and the bottom plate respectively.

Preferably, as mentioned above, the quick-change power battery mounting system, the quick-change bracket further includes:

at least one second main board arranged perpendicular to the first main board;

the second main board is located at one end of the first main board and is fixedly connected with the first main board.

Specifically, the quick-change power battery installation system as described above further includes: and the limiting mechanism is arranged between the side wall of the quick-change power battery pack and the first main board and/or the second main board and is used for limiting the movement of the quick-change power battery pack in the direction vertical to and/or parallel to the side wall of the quick-change power battery pack.

Further, as above, the quick-change power battery mounting system, the quick-change bracket further includes: and the quick-change connector is arranged on the second main board and corresponds to the electric connector of the quick-change power battery pack.

Another preferred embodiment of the present invention further provides an electric vehicle, including: the quick-change power battery mounting system is described above.

Compared with the prior art, the embodiment of the utility model provides a pair of quick change power battery installing the system and electric automobile has following beneficial effect at least:

the locking part is arranged on the side wall of the quick-change power battery pack, and the corresponding locking mechanism assembly is arranged on the quick-change bracket and comprises a plurality of locking mechanism bodies, at least one secondary locking mechanism and a connecting part for connecting the locking mechanism bodies and the secondary locking mechanism, wherein the arrangement of the secondary locking mechanism improves the installation stability of the quick-change power battery pack, the locking parts and the locking mechanism main bodies can be locked only by relatively lifting the quick-change power battery pack after the secondary locking mechanism is unlocked, and the unlocking of the corresponding locking mechanism main bodies can be realized by pushing the connecting part along the first direction, so that the quick-change power battery installation system of the utility model has simple structure, convenient operation and high reliability, can conveniently carry out the installation and disassembly processes of the quick-change power battery pack, and is favorable for improving the replacement efficiency of the quick-change power battery pack, the standardization and the generalization of the power conversion station are convenient to realize.

Drawings

Fig. 1 is a schematic structural view of a quick-change power battery mounting system according to the present invention;

fig. 2 is a schematic structural view of the quick-change power battery pack of the present invention;

fig. 3 is a schematic structural view of the locking portion disposed on the quick-change power battery pack of the present invention;

fig. 4 is a schematic structural view of the first limiting structure disposed on the quick-change power battery pack of the present invention;

fig. 5 is one of the schematic structural diagrams of the quick-change bracket with the locking mechanism assembly according to the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is an enlarged view of a portion of FIG. 5 at B;

fig. 8 is a second schematic structural view of the quick-change bracket with the locking mechanism assembly according to the present invention;

FIG. 9 is an enlarged view of a portion of FIG. 8 at C;

fig. 10 is a schematic structural view of the locking mechanism assembly of the present invention;

fig. 11 is a second schematic structural view of the locking mechanism assembly of the present invention;

FIG. 12 is an enlarged view of a portion of FIG. 10 at D;

fig. 13 is one of the schematic structural diagrams of the secondary locking mechanism of the present invention in the locked state;

fig. 14 is a schematic structural view of the secondary locking mechanism of the present invention in an unlocked state;

fig. 15 is a second schematic structural view of the secondary locking mechanism of the present invention in a locked state;

FIG. 16 is an enlarged view of a portion of FIG. 10 at E;

fig. 17 is one of the schematic structural diagrams of the locking mechanism body of the present invention;

fig. 18 is one of the schematic structural diagrams of the locking mechanism body of the present invention in the locked state;

fig. 19 is a second schematic structural view of the locking mechanism body of the present invention in a locked state;

fig. 20 is a schematic structural view of the locking mechanism body of the present invention in an unlocked state;

fig. 21 is a bottom view of the quick-change holder of the present invention;

fig. 22 is a schematic structural view of a guard plate of the present invention;

fig. 23 is a schematic structural view of a third limiting structure of the present invention;

fig. 24 is a schematic structural diagram of a fourth limiting structure according to the present invention.

[ description of reference ]

1. Quickly replacing the power battery pack; 101. a lock section; 1011. a locking ring; 1012. a lock catch seat; 102. a first limit structure; 1021. a limit bottom plate 1022 and a limit body; 1023. a limiting component; 1024. a limiting cover plate; 103. a second bump structure; 104. an electrical connector; 105. a second limiting component; 106. a fourth bump structure; 2. quickly replacing the bracket; 201. a top plate; 202. a side plate; 2021. a first bump structure; 2022. a first limit component; 203. a base plate; 204. quickly replacing the connector; 205. a third limiting component; 206. a groove structure; 3. a locking mechanism assembly; 4. a locking mechanism body; 401. a ratchet wheel; 4011. a gap, 4012 and a ratchet shaft; 4013. a lock hole; 402. a pawl; 4021. a pawl shaft; 4022. a latch bolt; 4023. unlocking the operating lever; 403. a lower cover plate; 404. an upper cover plate; 405. a buffer structure; 4051. a buffer block; 4052. a buffer block fixing plate; 406. a pawl reset structure; 407. a ratchet wheel reset structure; 408. a microswitch; 5. a connecting member; 501. a self-resetting structure; 502. a connecting rod; 6. a secondary locking mechanism; 601. a second motion assembly; 6011. a fixing plate; 6012. a third connecting shaft; 6013. a lock lever; 6014. a second reset structure; 6015. a limiting groove; 6016. a protrusion; 602. a first motion assembly; 6021. a locking plate; 6022. a first connecting shaft; 6023. a connecting plate; 6024. a push rod; 6025. a second connecting shaft; 6026. a drive rod; 6027. a first reset structure; 7. a shield; 8. a guard plate; 801. an upper plate; 802. a lower plate; 803. a transition plate.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments. In the following description, specific details are provided, such as specific configurations and components, merely to facilitate a thorough understanding of embodiments of the invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.

It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.

Referring to fig. 1 to 24, a preferred embodiment of the present invention provides a quick-change power battery mounting system, including:

the quick-change power battery pack comprises a quick-change power battery pack 1, wherein a plurality of locking parts 101 are arranged on the side wall of the quick-change power battery pack 1 at intervals;

the bracket 2 is quickly replaced;

set up in locking mechanism assembly 3 of quick change support 2, locking mechanism assembly 3 includes:

a locking mechanism body 4, the locking mechanism body 4 being locked with the locking portion 101 when the locking portion 101 is inserted;

the connecting part 5 is connected to the first main board in a sliding mode, and the plurality of locking mechanism bodies 4 are unlocked in a linkage mode through the connecting part 5;

at least one secondary locking mechanism 6, the secondary locking mechanism 6 comprising: a first moving assembly 602 connected with the connecting part 5 and a second moving assembly 601 arranged corresponding to the first moving assembly 602, wherein the second moving assembly 601 abuts against the first moving assembly 602 in the first direction when in the first locking position; second motion assembly 601 is disengaged from first motion assembly 602 when pivoted to the first unlocked position.

With particular reference to fig. 1, in an embodiment of the present invention, a quick-change power battery mounting system is provided, including: a quick change support 2 for with automobile body fixed connection, be provided with locking mechanism assembly 3 on quick change support 2, the interval is provided with a plurality of locking portions 101 (specifically as shown in fig. 2) on the lateral wall of quick change power battery package 1, locking mechanism body 4 through locking mechanism assembly 3 is connected with the cooperation of locking portion 101, can realize quick change power battery package 1 and quick change support 2 dismantled and be connected, install and dismantle quick change power battery package 1 through locking mechanism assembly 3 and locking portion 101's locking and release promptly, it is more convenient to compare in forms such as bolted connection, and be favorable to guaranteeing the stability of connecting.

Referring to fig. 10, preferably, the plurality of locking mechanism bodies 4 are all connected to the connecting member 5, so that the connecting member 5 can drive the plurality of locking mechanism bodies 4 to unlock in a linkage manner when the connecting member 5 is pushed to slide along the first direction, thereby reducing unlocking time and facilitating improvement of unlocking efficiency.

Referring to fig. 8 to 15, the locking mechanism assembly 3 further includes: the secondary locking mechanism 6, wherein the first moving assembly 602 of the secondary locking mechanism 6 is connected with the connecting part 5, when the second moving assembly 601 is located at the first locking position, the first moving assembly 602 and the second moving assembly 601 abut against each other in the first direction, and the first moving assembly 602 can be prevented from rotating in the first direction, so that the connecting part is prevented from sliding in the first direction, double locking of the quick-change power battery pack 1 is realized, and the stability of the quick-change power battery pack 1 is ensured. When the second moving assembly 601 pivots to the first unlocking position, the second moving assembly 601 is separated from the first moving assembly 602, so that the first moving assembly 602 can rotate towards the first direction, and further, the connecting part 5 can slide along the first direction and drive the plurality of locking mechanism bodies 4 to unlock, thereby unlocking the quick-change power battery pack 1.

To sum up, the utility model provides a quick change power battery mounting system simple structure, simple operation, and the reliability is higher, can conveniently carry out the installation and the dismantlement process of quick change power battery package 1, be favorable to improving the change efficiency of quick change power battery package 1.

Referring to fig. 16, specifically, the connecting member 5 is provided with a self-resetting structure 501, and the connecting member 5 can be restored to the position where the mechanism body is locked by the self-resetting structure 501.

Referring to fig. 8 to 15, in a preferred embodiment of the present invention, the first motion assembly 602 includes: a movable member and a drive rod 6026 in contact with the movable member. Wherein the movable part is used for being rotationally connected with the quick-change bracket 2, and the driving rod 6026 is used for being connected with the connecting part 5 to convert the rotation of the movable part into the sliding of the connecting part 5. More specifically, the movable part includes: the main board can be fixed by the lock plate 6021, the first connection shaft 6022 arranged on the lock plate 6021, the pushing part rotatably connected with the lock plate 6021 through the first connection shaft 6022, and the second connection shaft 6025 arranged on the pushing part and connected with the driving rod 6026, wherein the pushing part is used for bearing external force and is abutted against or separated from the second motion assembly 601, and the connection part of the driving rod 6026 and the second connection shaft 6025 is formed as a U-shaped fork or an oblong hole to convert the rotation of the first motion assembly 602 into the sliding of the connection part 5. Further, the pushing portion includes a coupling plate 6023 and a push rod 6024 provided on the coupling plate 6023, and is abutted against or separated from the second component by the push rod 6024. Alternatively, the movable component may not include the lock plate 6021, and is fixedly connected to the first main board directly via the first connecting shaft 6022; alternatively, the pushing portion may be an integral structure.

Referring to fig. 8 to 15, in a preferred embodiment of the present invention, the second motion assembly 601 includes: the locking device comprises a fixing plate 6011 fixedly connected with the quick-change bracket 2, a third connecting shaft 6012 fixedly connected to the fixing plate 6011, and a locking rod 6013 with one end rotatably connected with the third connecting shaft 6012, wherein when the second moving assembly 601 is in the first locking position, the locking rod 6013 abuts against the first moving assembly 602. Alternatively, the second motion assembly 601 may not include the lock plate 6021 and may be fixedly connected to the first main plate directly through the third connecting shaft 6012. Preferably, a limiting groove 6015 is arranged on the fixing plate 6011, a protruding portion 6016 corresponding to the limiting groove 6015 is arranged on the lock rod 6013, the protruding portion 6016 is arranged in the limiting groove 6015, when the second moving assembly 601 is located at the first locking position, the protruding portion 6016 abuts against the inner wall of the limiting groove 6015, the moving range of the lock rod 6013 is limited, and the lock rod 6013 is prevented from being separated from the first locking position.

Referring to fig. 8-15, preferably, the quick-change power battery mounting system as described above, the first kinematic assembly 602 includes: a first reset feature 6027 for resetting the first motion assembly 602 to a second locked position against the second motion assembly 601.

In a specific embodiment of the present invention, the first motion assembly 602 includes: first reset structure 6027 through first reset structure 6027, can make first motion subassembly 602 reset to the second locking position that leans on with second motion subassembly 601 counterbalance for after the unblock is accomplished, first reset structure 6027 can drive first motion subassembly 602 and reset, and then can drive adapting unit 5 and locking mechanism body 4 and reset, is convenient for realize the locking of locking mechanism body 4 once more.

Preferably, the first return structure 6027 is embodied as a spring, including but not limited to an extension spring and a torsion spring.

Referring to fig. 8 to 15, further, in the quick-change power battery mounting system as described above, the second moving assembly 601 includes: a second resetting structure 6014 for resetting the second moving assembly 601 from the first unlocked position to the first locked position.

In a specific embodiment of the present invention, the second motion assembly 601 includes: second reset structure 6014 through second reset structure 6014, can make second motion subassembly 601 have first unblock position reset to with first locking position for after the unblock is accomplished, second reset structure 6014 can drive second motion subassembly 601 and reset, and then restrict first motion subassembly 602 once more, is convenient for realize the locking of secondary locking mechanism 6 once more.

Preferably, the second return structure 6014 is embodied as a spring, including but not limited to an extension spring and a torsion spring.

Preferably, the quick-change power battery mounting system as described above, further includes: a first sensor for detecting the position of the first moving assembly 602 and/or a second sensor for detecting the position of the second moving assembly 601.

In a preferred embodiment of the present invention, the quick-change power battery mounting system further includes: the first sensor and/or the second sensor can detect the position of the first moving assembly 602 through the first sensor, and judge whether the secondary locking mechanism 6 is unlocked, wherein when the first moving assembly 602 is detected not to be at the second locking position, the secondary locking mechanism 6 is determined to be unlocked; the position of the second moving member 601 may be detected by the second sensor, and it is determined whether the secondary locking mechanism 6 is unlocked, where unlocking of the secondary locking mechanism 6 may be determined when it is detected that the second moving member 601 is not in the first locking position. When the first sensor and the second sensor are provided at the same time, the accuracy of judgment can be improved by redundant judgment.

In particular, the first sensor may be an integral sensor, such as a laser sensor, by disposing the laser sensor on a structure movable by the first motion assembly 602, such as: the push part and the driving rod 6026, or corresponding positions on the quick-change bracket 2, realize the detection of the position of the first moving assembly 602; the first sensor can also be a split type sensor, such as a magnetic sensor, and the detection of the position of the first moving component 602 is realized by respectively arranging the sensor and the magnetic steel on the movable structure of the first moving component 602 and the corresponding position of the quick-change bracket 2.

Similarly, the second sensor may be an integrated sensor, such as a laser sensor, and the detection of the position of the second moving assembly 601 is achieved by disposing the laser sensor on a structure, such as the lock rod 6013, where the second moving assembly 601 is movable, or on the quick-change bracket 2 at a position corresponding to the lock rod 6013; the second sensor may also be a split sensor, such as a magnetic sensor, and the sensor and the magnetic steel are respectively disposed on the movable structure of the second moving component 601 and the corresponding position of the quick-change bracket 2, so as to detect the position of the second moving component 601.

Referring to fig. 16 to 20, in particular, as described above, the quick-change power battery mounting system includes the locking mechanism body 4: ratchet 401 and pawl 402;

the outer edge of the ratchet wheel 401 is provided with a notch 4011 for inserting the locking part 101;

the pawl 402 is connected to the link 5;

when the ratchet wheel 401 rotates around the ratchet shaft 4012 to a locking state that the gap 4011 is locked with the locking part 101, the pawl 402 is engaged with the ratchet wheel 401.

In a specific embodiment of the present invention, the locking mechanism body 4 at least includes: ratchet 401 and pawl 402, be provided with the opening 4011 corresponding with locking part 101 on the outer fringe of ratchet 401, make when lifting quick change power battery package 1 relatively along vertical ascending direction, locking part 101 can insert gradually in opening 4011 and with the inner wall butt of opening 4011, make locking part 101 push away ratchet 401 and rotate around ratchet axle 4012, and then make the orientation of opening 4011 rotate to the slant from down to slant, when the orientation of opening 4011 rotated to the horizontal direction, locking part 101 is locked in opening 4011, pawl 402 rotates to the state with ratchet 401 joint around pawl axle 4021 under the promotion of ratchet 401, prevent ratchet 401 from revolving, even if lose at this moment and lift, locking part 101 also can not produce the displacement under the action of gravity, make locking mechanism body 4 get into the locking state, accomplish the fixed mounting to quick change power battery package 1. The pawls 402 in the locking mechanism bodies 4 are connected with the connecting part 5, and when the connecting part 5 is pushed to slide along the first direction, the connecting part 5 drives the pawls 402 to rotate to a state separated from the ratchet wheel 401, at this time, because the ratchet wheel 401 is not clamped with the pawls 402, the locking part 101 enables the ratchet wheel 401 to rotate around the ratchet wheel shaft 4012 under the action of gravity of the quick-change power battery pack 1, and then the locking part 101 is released from the notch 4011, so that unlocking of the locking mechanism bodies 4 is realized.

Referring to fig. 17, preferably, in the embodiment of the present invention, the ratchet shaft 4012 is located on one side of the extension line of the opening 4011, and when the locking portion 101 pushes the inner wall of the opening 4011, especially the closed end of the opening 4011, so that the pushing force applied to the ratchet shaft 4012 is smaller, thereby being beneficial to ensuring the service life of the ratchet shaft 4012 and the entire locking mechanism.

Referring to fig. 17 to 20, in an embodiment of the present invention, the locking mechanism body 4 further includes: the pawl resetting structure 406 is configured to enable the pawl 402 to reset to the fourth locking position when the pawl 401 is clamped with the pawl 401 under the action of the pawl resetting structure 406 when the ratchet 401 rotates to the third locking position where the pawl 402 is clamped with the pawl, so that the pawl 402 is clamped with the ratchet 401, and locking is completed.

Preferably, the pawl returning structure 406 is specifically a spring, including but not limited to an extension spring and a torsion spring, taking the torsion spring as an example, when the ratchet 401 rotates to the third locking position, the pawl 402 and the torsion spring are pushed to rotate in the second clockwise direction, so that the torsion spring generates a deformation force, and when the ratchet 401 rotates to the third locking position where the locking tongue 4022 corresponds to the locking hole 4013, because the pawl 402 only receives the deformation force of the torsion spring, the pawl 402 rotates in the first clockwise direction, and the locking tongue 4022 is inserted into the locking hole 4013, so that the pawl 402 and the ratchet 401 are clamped.

Referring to fig. 17 to 20, optionally, in another embodiment of the present invention, the locking mechanism further includes a ratchet reset structure 407, and the ratchet 401 is reset toward the notch 4011 to the third unlocking position of the entering direction of the locking portion 101 by the ratchet reset structure 407, which is favorable to speed up the unlocking and ensure that the notch 4011 on the ratchet 401 is oriented to facilitate the insertion of the locking portion 101. Avoid locking mechanism because of receiving jolting and automatic locking.

Preferably, the ratchet return structure 407 is embodied as a spring, including but not limited to an extension spring and a torsion spring. Taking the torsion spring as an example, when the ratchet wheel 401 rotates in the first clockwise direction under the action of the pushing force or the inertia force generated by bumping, the torsion spring generates a deformation force, and when the pushing force or the inertia force received by the ratchet wheel 401 is smaller than the deformation force and is not supported by the pawl 402, the ratchet wheel 401 rotates in the second clockwise direction under the action of the deformation force and returns to the third unlocking position.

Referring to fig. 16 to 20, preferably, as in the quick-change power battery mounting system described above, the locking mechanism body 4 further includes: a microswitch 408;

when the ratchet 401 is in the locked state, the ratchet 401 is in contact with the microswitch 408.

The utility model discloses a locking mechanism body 4 still includes micro-gap switch 408 in a specific embodiment, when ratchet 401 was in the locking state with pawl 402 joint, the last arch and the micro-gap switch 408 contact that correspond of ratchet 401 for micro-gap switch 408 is triggered and is closed, and when the vehicle detected micro-gap switch 408 and is closed, can confirm that locking mechanism body 4 pins with locking portion 101, and the vehicle of being convenient for and user know that the locking is in place, avoid continuing to promote locking portion 101 and cause the impact to ratchet 401.

Preferably, the microswitch 408 is disposed on a side of the ratchet wheel 401 opposite to the pawl 402, which is beneficial to reduce the length of the locking mechanism in the entering direction along the insertion gap 4011 of the locking portion 101, thereby facilitating the installation of the locking mechanism on other structures.

Specifically, as described above, the quick-change power battery mounting system, the locking mechanism body 4 further includes: a third sensor for detecting the position of the ratchet 401.

In a preferred embodiment of the present invention, a third sensor for detecting the position of the ratchet 401 is further disposed on the locking mechanism body 4, and the third sensor determines whether the ratchet 401 is locked with the locking portion 101 by detecting whether the ratchet 401 rotates to a predetermined fixed position. For example: set up in the arch or the recess that correspond with the third sensor on the ratchet 401, when ratchet 401 and locking portion 101 locking, the arch or the recess that correspond with the third sensor can rotate to predetermineeing the fixed position, whether have corresponding arch or recess in the fixed position department of predetermineeing through the detection of third sensor, can confirm whether ratchet 401 and locking portion 101 locking.

Optionally, according to the different types of third sensor, set up the part of third sensor in this arch or groove, also belong to the utility model discloses a protection scope.

Referring to fig. 17 to 20, in a preferred embodiment of the present invention, the locking mechanism body 4 further includes: the lower cover plate 403, the ratchet wheel 401 and the pawl 402 are respectively connected with the lower cover plate 403 in a rotating mode through the ratchet shaft 4012 and the pawl shaft 4021, so that the relative positions of the ratchet shaft 4012 and the pawl shaft 4021 are fixed, and the problem that the ratchet wheel 401 and the pawl 402 cannot be locked due to installation errors when the ratchet shaft 4012 and the pawl shaft 4021 are independently installed is avoided.

Specifically, be provided with the first opening along the entering direction of locking portion 101 on the lower cover plate 403 for locking portion 101 can insert smoothly establish with ratchet 401 in opening 4011, and ratchet 401 does not provide the thrust, and when ratchet 401 was in the third locking position with pawl 402 joint, opening 4011 surrounded with first opening and forms a locking hole that holds locking portion 101 simultaneously, carries out more comprehensive restriction to locking portion 101, guarantees the stability of locking. Preferably, the first opening is formed as a U-shaped opening.

Optionally, a ratchet 401 limiting block is further disposed on the lower cover plate 403, and is used for limiting the movement space of the ratchet 401, so as to avoid that the rotation amplitude of the ratchet 401 along the first hour hand direction or the second hour hand is too large; the pawl 402 stopper is used for limiting the moving space of the pawl 402 and preventing the pawl 402 from rotating in the first hour hand direction or the second hour hand in an overlarge rotating range.

Referring to fig. 16 to 18, in another preferred embodiment of the present invention, the locking mechanism body 4 further includes: the upper cover plate 404 is formed as a cover body and is buckled on the lower cover plate 403 to be fixedly connected with the lower cover plate 403, so that an accommodating space for accommodating the ratchet 401 and the pawl 402 is formed between the upper cover plate 404 and the lower cover plate 403, the ratchet 401 and the pawl 402 are protected, and the impact of external substances is avoided. The upper cover 404 is provided with a second opening corresponding to the first opening.

Referring to fig. 1, 16 to 20, in a preferred embodiment of the present invention, the locking mechanism body 4 further includes: at least one buffer structure 405, wherein the buffer structure 405 is fixedly connected to the pawl shaft 4021 and one end of the ratchet shaft 4012, may be disposed on at least one of two sides of the ratchet wheel 401 along the ratchet shaft 4012. Preferably, in order to facilitate the fixed connection of the buffer structure 405 with the ratchet shaft 4012 and the pawl shaft 4021, the ratchet shaft 4012 and the pawl shaft 4021 may be provided as hollow tubes, and the fixed connection of the buffer structure 405 with the ratchet shaft 4012 and the pawl shaft 4021 is achieved by bolts penetrating through the ratchet shaft 4012 and the pawl shaft 4021.

Specifically, in the case of having the upper cover plate 404 and/or the lower cover plate 403, the buffering structure 405 is a side of the upper cover and/or the lower cover plate 403 facing away from the ratchet 401 and the pawl 402, which is beneficial for avoiding the impact on the normal rotation of the ratchet 401 and the pawl 402 after the buffering structure 405 is installed. Further, buffer structure 405 includes buffer block 4051 and buffer block fixing plate 4052 buffer block fixing plate 60114052, wherein buffer block 4051 adopts the elastic material preparation, can cushion the impact of locking part 101. Buffer block fixed plate 4052 buffer block fixed plate 60114052 is provided with the mounting groove, through mounting groove installation buffer block 4051 to restrict buffer block 4051's degree of freedom, be convenient for simultaneously change buffer block 4051 when buffer block 4051 wearing and tearing are serious, be favorable to saving cost of maintenance. Buffer block fixing plate 4052 buffer block fixing plate 60114052 is made of metal or other hard materials, which is beneficial to protecting buffer block 4051.

Fig. 16 to 20, in particular, the quick-change power battery mounting system as described above, the locking mechanism assembly 3 includes: an unlocking operation lever 4023 provided on the pawl 402, and a connecting rod 502 having one end connected in contact with the unlocking operation lever 4023;

the other end of the connecting rod 502 is fixedly connected with the connecting part 5.

In a specific embodiment of the utility model, be provided with unblock lever 4023 on pawl 402, and unblock lever 4023 is connected with adapting unit 5 through connecting rod 502, when promoting adapting unit 5 and slide along the first direction, adapting unit 5 promotes unblock lever 4023 through connecting rod 502 and moves along the first direction, realize switching between the rotation of unblock pole 6013 and adapting unit 5's slip, and then drive pawl 402 and rotate around pawl axle 4021, when pawl 402 rotates to the state of separating with ratchet 401, ratchet 401 is because of not having the joint of pawl 402, under quick change power battery package 1's action of gravity, locking portion 101 can drive ratchet 401 and rotate around ratchet axle 4012, make locking portion 101 release from opening 4011, accomplish the unblock and the dismantlement of quick change power battery package 1. Specifically, the contact portion of the connecting rod 502 in contact with the unlocking lever 4023 is formed as an oblong hole or a U-shaped fork.

Referring to fig. 3, in a specific embodiment of the utility model, the interval sets up the structure of locking portion 101 on quick change power battery package 1 lateral wall for hasp ring 1011 for ratchet 401's opening 4011 can be connected with hasp ring 1011 cooperation, makes opening 4011's lower terminal surface can wear to locate in hasp ring 1011, realizes the locking to quick change power battery package 1. It is worth to be noted that, different from the structures such as the lock shaft or the shaft lever, when the locking mechanism body 4 is small in size, the lock shaft is correspondingly thinner and thinner, the rigidity is insufficient, and the lock shaft is easy to deform or damage, and the lock ring 1011 structure can adapt to the locking mechanism body 4 with a small size, and is not easy to damage and deform, thereby being beneficial to improving the rigidity and reliability of connection between the quick-change power battery pack 1 and the locking mechanism body 4.

Specifically, as described above, the quick-change power battery mounting system, the locking portion 101 further includes: a latch seat 1012;

the lock catch seat 1012 is fixedly installed on the side wall of the quick-change power battery pack 1, and the lock catch ring 1011 is fixedly connected with the lock catch seat 1012.

The utility model discloses an in a specific embodiment, fix hasp ring 1011 on the lateral wall of quick change power battery package 1 through the lock seat, can improve hasp ring 1011 and quick change power battery package 1's the steadiness of being connected on the one hand, on the other hand sets up the bolt hole on hasp seat 1012 and quick change power battery package 1's lateral wall, wears to establish the bolt hole through the bolt and with hasp seat 1012 and quick change power battery package 1 fixed connection, can realize when hasp ring 1011 damages, convenient to detach changes hasp ring 1011.

Further, as described above for the quick-change power battery mounting system, the locking ring 1011 includes a bending rod configured in a "U" shape or a "U" shape;

the side of the opening of the U-shaped or U-shaped structure of the bending rod is fixedly connected with the side wall of the quick-change power battery pack 1 to form an annular structure.

Referring to fig. 5 and 8, in particular, the quick-change power battery mounting system as described above, the quick-change bracket 2 includes: the first main board is arranged oppositely;

the first main board includes: a side plate 202 arranged facing the quick-change power battery pack 1, and a top plate 201 and a bottom plate 203 vertically arranged with the side plate 202;

the locking mechanism body 4 is disposed on a side of the side plate 202 facing away from the quick-change power battery pack 1, the connecting member 5 is disposed on a side of the top plate 201 facing away from the bottom plate 203, and U-shaped openings for the locking portions 101 to penetrate are disposed on both the bottom plate 203 and the side plate 202.

The utility model discloses an in a specific embodiment, quick change support 2 includes the relative first mainboard that sets up, forms the accommodation space that holds quick change power battery package 1 between two first mainboards, the location and the placing of the quick change power battery package 1 of being convenient for.

First mainboard includes towards curb plate 202 that quick change power battery package 1's lateral wall set up, and perpendicular curb plate 202 just follows and deviates from roof 201 and bottom plate 203 that one side of quick change power battery package 1 extended, wherein, curb plate 202 sets up in the face of quick change power battery package 1's lateral wall, is convenient for provide the mounted position for locking mechanism assembly 3, guarantees the installation of locking mechanism assembly 3 on quick change support 2. Specifically, the side of the locking mechanism body 4, which is provided with the side plate 202 facing away from the quick-change power battery pack 1, is convenient for protecting the locking mechanism body 4, and the side of the top plate 201 facing away from the bottom plate 203 is provided with the connecting part 5, which is beneficial for avoiding the interference between the connecting part 5 and the locking mechanism body 4 or the secondary locking mechanism 6. The first moving assembly 602 of the second locking mechanism is disposed on the side of the side plate 202 facing away from the quick-change power battery pack 1, the second moving assembly 601 is disposed on the side of the side plate 202 facing the quick-change power battery pack 1, and the first moving assembly 602, for example, the push rod 6024 as described above, penetrates through the side plate 202, so as to protect the secondary locking mechanism 6 while ensuring unlocking.

Alternatively, referring to fig. 6 or fig. 7, when the buffer structure 405 is provided, the buffer structure 405 may be disposed on a side of the side plate 202 facing the quick-change battery pack 1.

Specifically, the top plate 201 is provided with an oblong hole through which the connecting rod 502 and the driving rod 6026 are inserted, and the oblong hole is provided with a protective sleeve to protect the top plate 201, the connecting rod 502 and the driving rod 6026, so that the abrasion of the connecting part 5 on the top plate 201, the connecting rod 502 and the driving rod 6026 during movement is reduced.

Referring to fig. 5, 6 or 11, preferably, the quick-change power battery mounting system as described above further includes:

the shield 7 is buckled on the top plate 201, and forms an accommodating space for accommodating the connecting part 5 with the top plate 201.

The utility model discloses an in a specific embodiment, still detain on adapting unit 5 and be equipped with a protection casing 7, through setting up adapting unit 5 between protection casing 7 and roof 201, be favorable to avoiding adapting unit 5 to receive the impact and avoid external earth etc. to accumulate in adapting unit 5 department, cause the influence to adapting unit 5's normal slip.

Referring to fig. 5 or 6, in particular, as mentioned above for the quick-change power battery mounting system, the protective cover 7 comprises: the protective cover body is formed in a shape of a Chinese character 'ji', and the first connecting part and the second connecting part extend along two sides of the protective cover body;

an accommodating space for accommodating the connecting member 5 is formed between the protective cover and the top plate 201, the first connecting portion is parallel to and fixedly connected with the top plate 201, and the second connecting portion is parallel to and fixedly connected with the side plate 202.

The utility model discloses an in a preferred embodiment, protection casing 7 includes the protection lid of several fonts, protect adapting unit 5 in setting up the accommodation space between protection lid and roof 201 with adapting unit 5, and simultaneously, the first connecting portion and the parallel and fixed connection of roof 201 of protection lid both sides, the parallel and fixed connection of second connecting portion and curb plate 202, be favorable to avoiding too being close to curb plate 202 because of adapting unit 5's position, make roof 201 can't carry out the condition fixed and take place in adapting unit 5 one side that is close to curb plate 202, be favorable to guaranteeing protection and quick change support 2's fixed connection.

Referring to fig. 11, in particular, to facilitate the production and installation of the protective cover 7, the protective cover 7 may be divided into a plurality of sections, and the adjacent sections may be overlapped by a lap joint.

Furthermore, in order to strengthen the structural strength of the protective cover body, a reinforcing rib is further arranged on the protective cover body.

Referring to fig. 21 and 22, further, the quick-change power battery mounting system as described above further includes: the guard plate 8 and the guard plate 8 are arranged on one side of the side plate 202 far away from the quick-change power battery pack 1 and are fixedly connected with the top plate 201 and the bottom plate 203 respectively.

The utility model discloses an in a concrete embodiment, quick change power battery installing the system, still including backplate 8, form the accommodation space that holds locking mechanism body 4 through being connected of backplate 8 and quick change support 2, and then form the omnidirectional protection to locking mechanism body 4, avoid locking mechanism body 4 to receive external impact or locate the normal operating that influences locking mechanism body 4 because of the accumulation of earth etc. at locking mechanism body 4. Specifically, the upper plate 801, the lower plate 802 and the transition plate 803 of the guard plate 8 are respectively arranged and fixedly connected with the top plate 201, the bottom plate 203 and the side plate 202 of the quick-change bracket 2, so as to ensure the stability of connection.

Referring to fig. 21 and 22, in particular, the lower plate 802 of the guard plate 8 is further provided with a U-shaped opening to facilitate the insertion of the locking portion 101 into the locking mechanism body 4.

Referring to fig. 5, preferably, in the quick-change power battery mounting system as described above, the quick-change bracket 2 further includes at least one second main plate disposed perpendicular to the first main plate;

the second main board is located at one end of the first main board and is fixedly connected with the first main board.

In a specific embodiment of the present invention, the quick-change bracket 2 includes at least one second main board disposed perpendicular to the first main board, and preferably, two second main boards and two first main boards are adopted to form a frame, which is beneficial to improving the stability of the quick-change bracket 2.

Referring to fig. 2 and 5, in particular, the quick-change power battery mounting system as described above further includes: the limiting mechanism is arranged between the side wall of the quick-change power battery pack 1 and the first main board and/or the second main board and is used for limiting the movement of the quick-change power battery pack 1 in the direction vertical to and/or parallel to the side wall of the quick-change power battery pack 1.

Preferably, according to the quick-change power battery installation system, a limiting mechanism is arranged between the side wall of the quick-change power battery pack 1 and the first main board and/or the second main board, and the limit mechanism is further arranged to limit the movable range of the quick-change power battery pack 1, so as to ensure the stable connection of the quick-change power battery pack 1.

Referring to fig. 2, preferably, the utility model provides a first limiting structure 102, the first limiting structure 102 is fixedly installed on the side wall of the quick-change power battery pack 1, and the distance between the first limiting structure 102 and the first main board or the second main board is less than a first preset distance, so that the movable range of the quick-change power battery pack 1 in the direction perpendicular to the first main board or the second main board is limited, and the movable range of the quick-change power battery pack 1 in the direction is favorably avoided; preferably, at least one first limiting structure 102 is disposed on each side wall of the quick-change power battery pack 1, so as to facilitate ensuring the connection stability of the quick-change power battery pack 1.

Referring to fig. 4, in particular, the first limit structure 102 includes: a limit bottom plate 1021 fixedly connected with the quick-change power battery pack 1;

the limiting body 1022 is arranged on the bottom plate 203, and one side of the limiting body 1022, which faces away from the limiting bottom plate 1021, is provided with a protruding limiting part 1023;

spacing apron 1024, detain and locate spacing body 1022 on, and with spacing bottom plate 1021 fixed connection, be provided with the fabrication hole that corresponds with spacing part 1023 on the spacing apron 1024, spacing part 1023 wears out the fabrication hole.

The first position-limiting structure 102 realizes position limitation through the position-limiting body 1022, and the position-limiting component 1023 on the position-limiting body 1022 or the position-limiting body 1022 is preferably made of elastic material, so that impact on the first main board or the second main board is avoided while the position limitation is performed. And spacing body 1022 is through spacing bottom plate 1021 and spacing apron 1024 and the lateral wall fixed connection of quick change power battery package 1, is favorable to guaranteeing the steadiness of spacing body 1022 installation, when spacing body 1022 appears wearing and tearing simultaneously, is convenient for change spacing body 1022.

Referring to fig. 5, optionally, a first protrusion structure 2021 corresponding to the first limiting structure 102 is further disposed on the first main board and/or the second main board, and a distance between the first protrusion structure 2021 and the first limiting structure 102 is smaller than a first preset distance. The arrangement of the first protruding structure 2021 is beneficial to improving the structural strength of the first main board and/or the second main board, and meanwhile, the first protruding structure 2021 and the first limiting structure 102 are correspondingly arranged, which is beneficial to reducing the protruding length of the first limiting structure 102.

Referring to fig. 2 and 5, preferably, the present invention provides a second limiting structure, including: the second protruding structure 103 is fixedly installed on the side wall of the quick-change power battery pack 1, and the first limiting component 2022 is correspondingly installed on the first main board or the second main board, wherein the first limiting component 2022 is formed to have an opening for the second protruding structure 103 to insert, and the movement of the quick-change power battery pack 1 in the vertical direction and the horizontal direction is limited by the first limiting component 2022 and the second protruding structure 103. Optionally, a third protrusion structure corresponding to the second protrusion structure 103 may be disposed in the first limiting component 2022, which is beneficial to reducing the protrusion length of the second protrusion structure 103.

Referring to fig. 23, preferably, the utility model provides a third limit structure, including: the quick-change power battery pack comprises a second limiting component 105 fixedly mounted on the side wall of the quick-change power battery pack 1 and a third limiting component 205 correspondingly mounted on the first main board or the second main board, wherein the second limiting component 105 and the side wall of the quick-change power battery pack 1 form an h-shaped structure, the third limiting component 205 and the first main board or the second main board form an inverted h-shaped structure, and when the quick-change power battery pack 1 is mounted on the quick-change bracket 2, the second limiting component 105 and the third limiting component 205 form a mutual structure to limit the movement of the quick-change power battery pack 1 in the vertical direction and the horizontal direction.

Referring to fig. 24, preferably, the present invention provides a fourth limiting structure, including: set up fourth protruding structure 106 on quick change power battery package 1 lateral wall to and set up groove structure 206 on first mainboard or second mainboard, when installation quick change power battery package 1, fourth protruding structure 106 inserts along vertical direction and establishes and get into groove structure 206 in, restriction quick change power battery package 1 is in the ascending removal of vertical direction and horizontal direction. Optionally, the positions of the fourth projection arrangement 106 and the recess arrangement 206 may be interchanged.

Preferably, the middle limiting mechanism of the present invention includes at least one of the first limiting structure 102, the second limiting structure, the third limiting structure and the fourth limiting structure.

It should be noted that the vertical direction and the horizontal direction are referred to as a reference standard in the present disclosure, where the quick-change power battery pack 1 is mounted from bottom to top on a physical layer, that is, the vertical direction is a Z direction, and the horizontal direction includes an X direction and a Y direction.

Taking the first main board as an example, the quick-change power battery pack 1 mounting system of the utility model limits the quick-change power battery pack 1 in the Z direction and the X direction by locking the quick-change power battery pack 1 by the locking mechanism body 4; and then restrict quick change power battery package 1 in Y at least through stop gear, be favorable to guaranteeing the firm installation of quick change power battery package 1.

Referring to fig. 1, fig. 2 or fig. 5, in another embodiment of the present invention, the quick-change power battery pack 1 is formed in a convex shape, and a bending portion matched with the quick-change power battery pack 1 is provided on the first main board. Can fix a position quick change power battery package 1 through the kink, the exactness of direction when guaranteeing the installation of quick change power battery package 1, and can be spacing quick change power battery package 1 in the X direction.

Referring to fig. 2 and 5, further, in the quick-change power battery mounting system as described above, the quick-change bracket 2 further includes: and the quick-change connector 204 is arranged on the second main board and corresponds to the electric connector 104 of the quick-change power battery pack 1.

In a specific embodiment of the present invention, a quick-change connector 204 corresponding to the electrical connector 104 of the quick-change power battery pack 1 is disposed on a second motherboard, so that the electrical connector 104 of the quick-change power battery pack 1 can be connected to the power utilization system of the vehicle, and the setting of the quick-change connector 204 can also change the electrical connection direction to the quick-change power battery pack 1, thereby facilitating obtaining a connection mode suitable for the vehicle body. Another preferred embodiment of the present invention further provides an electric vehicle, including: the quick-change power battery mounting system is described above.

The utility model discloses an electric automobile in a preferred embodiment includes foretell quick change power battery mounting system, compares with current quick change power battery mounting system, and the unblock is simple with the process of locking, and the unblock with lock the in-process and need not move on the vehicle front and back direction again, and quick change power battery package only does to rise or descend for electric automobile, has reduced and has traded the electricity time, has improved and has traded electric efficiency.

Specifically, in a specific embodiment of the present invention, when the electric vehicle locks the quick-change power battery pack, in order to ensure that the locking mechanism body can insert the locking portion on the quick-change battery pack, the quick-change power battery pack installation system needs to be unlocked for the second time so that the connecting member can move along the first direction, specifically, the second moving assembly is controlled to pivot to the first unlocking position, so that the first moving assembly is separated from the second moving assembly, and the second moving assembly prevents the connecting member and the first moving assembly from moving along the first direction; the quick-change power battery pack and the locking mechanism body are controlled to move relatively, the locking part is inserted into the locking mechanism body for installation, and the process of specifically controlling the quick-change power battery pack and the locking mechanism body to move relatively can be realized by enabling the quick-change power battery pack to ascend from the lower part of the electric automobile; or, the electric automobile is firstly ascended, the quick-change battery pack to be replaced is positioned at the bottom of the automobile, and then the electric automobile is descended. When the locking part is inserted into the locking mechanism body, the locking part can push the ratchet wheel of the locking mechanism body to enable the ratchet wheel to rotate around a ratchet wheel shaft and drive the pawl to rotate around a pawl shaft, when the locking part is locked into the notch and the pawl is clamped with the ratchet wheel, the locking mechanism body enters a locking state, the ratchet wheel is in contact with the micro switch at the moment, the micro switch is triggered to be closed, and the locking mechanism body and the locking part can be determined to be locked when the micro switch is detected to be closed; or, when the third sensor detects that the ratchet wheel rotates to the preset fixed position, the locking mechanism body and the locking part can be determined to be locked. And then in order to guarantee the stability of power battery package installation, still need control second motion subassembly and resume to first locking position, carry out the secondary locking. The stability of quick change power battery package installation is favorable to improving through dual locking.

Specifically, in the preferred embodiment of the present invention, when the electric vehicle unlocks the quick-change power battery pack, the second moving assembly is controlled to pivot to the first unlocking position to separate the first moving assembly from the second moving assembly, so as to prevent the connecting member and the first moving assembly from moving along the first direction due to the second moving assembly, and the first moving assembly is controlled to pivot along the first direction to drive the connecting member to move along the first direction. When the method is adopted to disassemble the quick-change power battery pack, the operation is simple, the unlocking efficiency of the quick-change power battery pack is improved, and the replacement efficiency of the quick-change power battery pack is further improved.

Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (16)

1. A quick-change power battery mounting system, comprising:

the quick-change power battery pack (1) is characterized in that a plurality of locking parts (101) are arranged on the side wall of the quick-change power battery pack (1) at intervals;

a quick-change bracket (2);

set up in locking mechanical system assembly (3) on quick change support (2), locking mechanical system assembly (3) include:

a locking mechanism body (4), wherein the locking mechanism body (4) is locked with the locking part (101) when the locking part (101) is inserted;

the locking mechanism comprises a connecting part (5) which is slidably connected to a quick-change bracket (2), and a plurality of locking mechanism bodies (4) are unlocked in a linkage manner through the connecting part (5);

at least one secondary locking mechanism (6), the secondary locking mechanism (6) comprising: a first moving assembly (602) connected with the connecting part (5) and a second moving assembly (601) arranged corresponding to the first moving assembly (602), wherein the second moving assembly (601) is abutted with the first moving assembly (602) in a first direction when in a first locking position; the second motion assembly (601) is disengaged from the first motion assembly (602) when pivoted to a first unlocked position.

2. The quick-change power battery mounting system according to claim 1, wherein the first kinematic assembly (602) comprises: a first return structure (6027) for returning the first moving assembly (602) to a second locked position against the second moving assembly (601).

3. The quick-change power battery mounting system according to claim 1, wherein the second kinematic assembly (601) comprises: a second return structure (6014) for returning the second moving assembly (601) from the first unlocked position to the first locked position.

4. The quick-change power battery mounting system of claim 1, further comprising: a first sensor for detecting the position of the first moving component (602) and/or a second sensor for detecting the position of the second moving component (601).

5. The quick-change power battery mounting system according to claim 1, wherein the locking mechanism body (4) comprises: a ratchet (401) and a pawl (402);

the outer edge of the ratchet wheel (401) is provided with a notch (4011) for the locking part (101) to insert;

the pawl (402) is connected with the connecting part (5);

when the ratchet wheel (401) rotates around a ratchet wheel shaft (4012) to a locking state that the notch (4011) and the locking part (101) are locked, the pawl (402) is clamped with the ratchet wheel (401).

6. The quick-change power battery mounting system according to claim 5, wherein the locking mechanism body (4) further comprises:

a pawl reset structure (406) for resetting the pawl (402) to a position in which it is engaged with the ratchet wheel (401).

7. The quick-change power battery mounting system according to claim 5, wherein the locking mechanism body (4) further comprises:

a microswitch;

when the ratchet wheel (401) is in the locked state, the ratchet wheel (401) is in contact with the microswitch (408).

8. The quick-change power battery mounting system according to claim 5, wherein the locking mechanism body (4) further comprises: a third sensor for detecting the position of the ratchet (401).

9. The quick-change power battery mounting system according to claim 5, wherein the locking mechanism assembly (3) comprises: an unlocking operating lever (4023) arranged on the pawl (402), and a connecting rod (502) with one end in contact connection with the unlocking operating lever (4023);

the other end of the connecting rod (502) is fixedly connected with the connecting part (5).

10. Quick-change power battery mounting system according to claim 1, characterized in that the quick-change bracket (2) comprises: the first main board is arranged oppositely;

the first main board includes: a side plate (202) arranged facing the quick-change power battery pack (1), and a top plate (201) and a bottom plate (203) arranged perpendicular to the side plate (202);

the locking mechanism body (4) is arranged on one side, back to the quick-change power battery pack (1), of the side plate (202), the connecting part (5) is arranged on one side, back to the bottom plate (203), of the top plate (201), and U-shaped openings for the locking part (101) to penetrate through are formed in the bottom plate (203) and the side plate (202).

11. The quick-change power battery mounting system of claim 10, further comprising:

the protective cover (7) is buckled on the top plate (201), and an accommodating space for accommodating the connecting part (5) is formed between the protective cover (7) and the top plate (201).

12. The quick-change power battery mounting system of claim 10, further comprising: the protection plate (8) is arranged on one side, away from the quick-change power battery pack (1), of the side plate (202), and is fixedly connected with the top plate (201) and the bottom plate (203) respectively.

13. The quick-change power-battery mounting system according to claim 10, characterized in that the quick-change bracket (2) further comprises:

at least one second main board arranged perpendicular to the first main board;

the second main board is located at one end of the first main board and is fixedly connected with the first main board.

14. The quick-change power battery mounting system of claim 13, further comprising: the limiting mechanism is arranged between the side wall of the quick-change power battery pack (1) and the first main board and/or the second main board and is used for limiting the movement of the quick-change power battery pack (1) in the direction vertical to and/or parallel to the side wall of the quick-change power battery pack (1).

15. The quick-change power-battery mounting system according to claim 13, characterized in that the quick-change bracket (2) further comprises: and the quick-change connector (204) is arranged on the second main board and corresponds to the electric connector (104) of the quick-change power battery pack (1).

16. An electric vehicle, comprising: the quick-change power battery mounting system of any one of claims 1 to 15.

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