WO2023185131A1

WO2023185131A1 - Unlocking rod, unlocking apparatus, and battery swapping device

Info

Publication number: WO2023185131A1
Application number: PCT/CN2022/141436
Authority: WO
Inventors: 张建平; 王莉; 仇丹梁
Original assignee: 奥动新能源汽车科技有限公司; 上海电巴新能源科技有限公司
Priority date: 2022-04-02
Filing date: 2022-12-23
Publication date: 2023-10-05
Also published as: CN217653010U

Abstract

An unlocking rod (1), an unlocking apparatus (3), and a battery swapping device. The unlocking apparatus (3) is applied to a battery swapping device and unlocks a battery pack on an electric vehicle. The battery swapping device comprises a drive device (2). The unlocking rod (1) comprises: a protruding column part (11) and a rod body part (12); one end of the protruding column part (11) is connected to the outer peripheral surface of the rod body part (12), and the other end of the protruding column part (11) extends outwards in the radial direction of the rod body part (12) and is connected to the drive device (2); the drive device (2) is used for driving the protruding column part (11) to drive the rod body part (12) to move up and down, so that the unlocking rod (1) can unlock the locking mechanisms (40) on the electric vehicle. By means of the configuration, the arrangement of the drive device (2) is more flexible, and the extension length of the rod body part (12) can be flexibly designed and adjusted according to the connection position of the protruding column part (11) on the rod body part (12), so that the unlocking device (3) is more compact in structure.

Description

Unlocking lever, unlocking device and battery replacement equipment

This application claims the priority of Chinese patent application 2022207810616 with a filing date of 2022/4/2. This application cites the full text of the above-mentioned Chinese patent application.

Technical field

This application relates to the technical field of battery swapping, and in particular to an unlocking lever, unlocking device and battery swapping equipment.

Background technique

Existing battery pack installation methods for electric vehicles are generally divided into fixed and replaceable types. Fixed battery packs are generally fixed on the car, and the car is directly used as the charging object during charging. Replaceable battery packs generally adopt a movable installation method, and the battery pack can be removed and replaced with a new one at any time.

However, for large vehicles, such as heavy trucks or light trucks, the vehicle body and cargo weight are very large, resulting in large vehicles having a high demand for battery pack capacity. The electric energy must be large enough to support the driving of large vehicles for hundreds of years. kilometer. In the process of replacing a new battery pack, it is necessary to use battery swapping equipment to unlock and replace the battery pack. However, the battery packs of large vehicles are larger. In comparison, the chassis of electric vehicles is lower, and the space under the car is In particular, there is insufficient upper and lower space. It is difficult for general power-swapping equipment to enter the bottom of the car and use its unlocking lever to unlock the battery pack. It requires an unlocking lever that can be lifted and lowered. It is difficult to ensure that the unlocking lever is in place and unlocked.

Contents of the invention

The technical problem to be solved by this application is to provide an unlocking lever, an unlocking device and a battery swapping device in order to overcome the disadvantage in the prior art that the unlocking device is difficult to unlock and unlock the battery pack in a small space under the chassis of an electric vehicle.

This application solves the above technical problems through the following technical solutions:

An unlocking lever that is used in power exchange equipment and unlocks battery packs on electric vehicles. The power exchange equipment includes a driving device, and is characterized in that the unlocking lever includes: a convex column part and a rod body part, and the One end of the convex column part is connected to the outer peripheral surface of the rod body part, and the other end of the convex column part extends outward along the radial direction of the rod body part and is used to connect with the driving device, and the driving device is used for The protruding column part is driven to drive the rod body part to move up and down, so that the unlocking rod unlocks and unlocks the unlocking structure of the electric vehicle and the battery pack.

In this solution, the above structural form is adopted, and a protruding column portion is provided on the outer peripheral surface of the rod body. The driving device can drive the rod body to move up and down through the protruding column portion to unlock the battery pack. This structure makes the driving device The arrangement is more flexible, and the extension length of the rod body can be flexibly designed and adjusted according to the connection position of the protruding column portion on the rod body, which is beneficial to making the structure of the unlocking device more compact.

Preferably, the number of the protruding column parts is two, and they are correspondingly provided on both sides of the rod body part.

In this solution, using the above-mentioned structural form, setting the convex column portion into two is beneficial to ensure that the left and right forces are evenly received when the rod body moves upward. When the convex column portion drives the rod body, it is conducive to keeping the rod body moving in a straight line.

Preferably, the rod body is provided with a through hole, and the protruding column portion is installed through the through hole and extends to both sides of the rod body.

In this solution, the above structural form is adopted, and the rod body and the protruding column are detachable structures, which facilitates the disassembly and installation of the unlocking rod and facilitates the replacement of parts.

Preferably, the end of the protruding column is provided with a detection surface for cooperating with the position sensor detection of the unlocking lever.

In this solution, the above structural form is adopted, and the design of the detection surface is conducive to detecting the position of the protruding column, so as to determine the movement position of the rod body.

Preferably, the end of the rod body facing the battery pack is flat.

In this solution, using the above structural form, the end of the rod body facing the battery pack is flat, which is beneficial to prevent the rod body from rotating when the driving device drives the unlocking lever to move up and down.

Preferably, the rod body includes a first rod body and a second rod body, the second rod body is connected to the protruding column part, and the first rod body is provided in the second rod body close to the battery pack. One end, the end of the first rod body away from the second rod body is an arc-shaped surface.

In this solution, the above structural form is adopted, and one end of the unlocking rod that extends into the battery pack is set in an arc shape, which is beneficial to preventing damage to the battery pack when the unlocking rod is inserted into the battery pack to trigger the unlocking connecting rod, and is convenient for protecting the battery pack. internal structure.

Preferably, the first rod body has a tapered structure.

In this solution, the above-mentioned structural form is adopted. The tapered structure design at the end of the first rod body facilitates the insertion of the unlocking rod into the battery pack and allows a certain offset error, thus increasing the accuracy of the insertion of the unlocking rod into the battery pack.

Preferably, the outer surface of the rod body portion has an anti-rotation surface for preventing the rod body portion from rotating.

In this solution, the above structural form is adopted, and an anti-rotation surface is provided on the outside of the rod body, which is beneficial to preventing the rod body from rotating when the driving device drives the unlocking lever to move up and down.

Preferably, the rod body is installed with left and right limits relative to the horizontal movement direction, and the driving device includes: a driving part, and an unlocking guide block connected to the thrust output end of the driving part. The unlocking guide block is provided with Unlocking guide groove, the protruding column part slides with the unlocking guide groove.

In this solution, the above structural form is adopted, and the driving part adopts a split design. The driving part drives the unlocking rod to move through the unlocking guide block. The split design can reduce the accuracy requirements for the installation position between the driving part and the unlocking rod, and reduce its production. cost.

Preferably, the unlocking guide groove is an oblique guide groove extending from the lowest position to the highest position of the unlocking rod, and the oblique guide groove is provided on the side wall of the unlocking guide block parallel to its movement direction.

In this solution, using the above structural form, the unlocking guide groove includes a first guide part in the same movement direction as the unlocking guide block and a second guide part parallel to the first guide part and located at the lower end of the first guide part. The guide part and the second guide part ensure that the unlocking guide block can move horizontally and provide horizontal support for the convex part of the unlocking lever to stay. It also includes a third guide part that is inclined downward from the first guide part and communicates with the second guide part. It is ensured that the convex part of the locking rod can move up and down.

Preferably, the unlocking guide block is provided with a cavity that passes up and down, and unlocking guide grooves of the same shape are provided on both side walls of the cavity, and the two protruding column parts are respectively provided in the cavity. into the unlocking guide grooves on both sides of the body.

In this solution, the above structural form is adopted, and the unlocking guide groove in the cavity is symmetrically designed so that when the unlocking guide groove acts on the unlocking rod, the force is more balanced and the movement is smoother.

Preferably, the driving device further includes a fixed vertical guide mechanism, and the rod body part passes through the vertical guide mechanism, so that the unlocking rod can be pushed along the unlocking guide groove by the driving part. The vertical guide mechanism moves up and down.

In this solution, the above-mentioned structural form is adopted and a vertical guide mechanism is provided for guiding the body of the rod, which can ensure that the unlocking rod moves up and down in a predetermined direction to avoid tilting left and right, which is beneficial to aligning the unlocking position and quickly unlocking.

Preferably, the unlocking lever is a torque unlocking lever that applies torque to cooperate with the unlocking and unlocking mechanism to achieve unlocking.

In this solution, the unlocking lever adopts such a structure and unlocking form, which makes it suitable for a variety of unlocking environments.

An unlocking device, characterized in that the unlocking device includes the above-mentioned unlocking lever.

In this solution, the unlocking device uses the unlocking lever, which not only has a simple structure, but also helps to make the structure of the unlocking device more compact.

Preferably, the unlocking device is provided in a power exchange device or in the battery pack.

A power exchange device is characterized in that the power exchange device includes the above-mentioned unlocking device.

In this solution, the power exchange equipment adopts the unlocking device, so that the arrangement of the driving device is more flexible, and the extension length of the rod body can be flexibly designed and adjusted according to the connection position of the protruding column part on the rod body, which is conducive to making the unlocking device The structure is more compact.

Preferably, the battery swapping equipment is provided in a battery swapping shuttle, and the battery swapping shuttle also includes a battery pack fixing plate for positioning and moving the battery pack and/or a body fixing plate for electric vehicle positioning. , the unlocking device is arranged on the vehicle body fixing plate or the vehicle body fixing plate, so that the unlocking lever can be raised and lowered driven by the driving device to unlock the battery pack of the electric vehicle.

In this solution, using the above structural form, the body fixing plate can prevent relative movement between the body and the battery swap shuttle, which is beneficial to the battery swap shuttle to smoothly unlock and unlock the battery pack; the battery pack fixing plate can prevent the battery pack from moving. Relative movement occurs between the electric shuttle and the battery pack, which facilitates the unlocking and unlocking of the battery pack.

Preferably, a battery tray is also installed on the battery pack fixing plate. A waist-shaped hole is provided at the corresponding position between the battery tray and the unlocking lever. The unlocking device is arranged on both sides of the vehicle body fixing plate and is connected with the unlocking device. The escape grooves on both sides of the load plate where the battery pack is positioned correspond to each other, so that the unlocking rod rises to pass through the waist-shaped hole.

In this solution, the above structural form is adopted, and the avoidance groove is provided to prevent the upper battery pack fixing plate from blocking the unlocking lever and interfering with the work of the unlocking lever. The waist-shaped hole is provided to facilitate the penetration of the lever body.

On the basis of common sense in the field, the above preferred conditions can be combined arbitrarily to obtain preferred examples of the present application.

The positive progressive effects of this application are:

A protruding column is provided on the outer circumference of the rod body. The driving device can drive the rod body to move up and down through the protruding column to unlock the battery pack. Such a structure makes the arrangement of the driving device more flexible, and the rod body extends out. The length can be flexibly designed and adjusted according to the connection position of the protruding column part on the rod body part, which is beneficial to making the structure of the unlocking device more compact.

Description of drawings

Figure 1 is a schematic structural diagram of a battery replacement shuttle according to an embodiment of the present application.

Figure 2 is a schematic structural diagram of a power exchange device according to an embodiment of the present application.

Figure 3 is a schematic assembly diagram of the unlocking lever and the unlocking guide block according to the embodiment of the present application.

Figure 4 is a schematic structural diagram of the unlocking lever according to the embodiment of the present application.

Figure 5 is a schematic structural diagram of the unlocking guide block according to the embodiment of the present application.

Figure 6 is a schematic structural diagram of the rod body according to the embodiment of the present application.

Figure 7 is a schematic structural diagram of a vehicle body bracket according to an embodiment of the present application.

Figure 8 is a schematic structural diagram of the push rod in the battery pack according to the embodiment of the present application.

Figure 9 is a schematic structural diagram of a battery pack according to an embodiment of the present application.

Explanation of reference symbols:

Unlocking lever 1; convex column part 11; lever body part 12; first lever body 121; second lever body 122; through hole 13; detection surface 14; anti-rotation surface 15; driving device 2; driving part 21; unlocking guide block 22; unlocking Guide groove 221; cavity 222; vertical guide mechanism 223; unlocking device 3; battery swap shuttle 4; battery pack fixing plate 5; vehicle body fixing plate 6; ejector mechanism 400; locking mechanism 40; jacking seat 41; Install bracket 50.

Detailed ways

The present application will be more clearly and completely described below by way of examples and in conjunction with the accompanying drawings, but this application will not be limited to the scope of the embodiments.

The embodiment of the present application provides a power swapping device, which is used to be installed on the power swapping shuttle 4 to replace the battery pack on the electric vehicle. The power swapping equipment is provided with a driving device 2 and an unlocking device 3. The unlocking lever 1 in the unlocking device 3 can unlock and unlock the battery pack on the electric vehicle. As shown in Figure 1-6, the unlocking lever 1 includes: a protruding column portion 11 and the rod body part 12. One end of the protruding column part 11 is connected to the outer peripheral surface of the rod body part 12. The other end of the protruding column part 11 extends outward along the radial direction of the rod body part 12 and is used to connect with the driving device 2. The driving device 2 is used for The driving protruding column 11 drives the rod body 12 to move up and down, so that the unlocking rod 1 unlocks and unlocks the unlocking structure of the electric vehicle and the battery pack. The unlocking device can be set on the battery replacement device or on the battery pack.

In this embodiment, the rod body 12 is a cylindrical rod, and a convex column 11 extends from the outer circumferential surface of the rod 12 along the radial direction. The convex column 11 is connected to the driving device 2 and can be driven by driving the driving device 2 The rod body 12 moves up and down along the axis. When the rod body 12 moves upward and acts on the locking mechanism 40 on the battery pack or the electric vehicle, the battery pack can be unlocked quickly. A protruding column portion 11 is provided on the outer peripheral surface of the rod body portion 12. The driving device 2 can drive the rod body portion 12 to move up and down through the protruding column portion 11 to unlock the battery pack. This structure makes the arrangement of the driving device 2 more flexible. Moreover, the extension length of the rod body 12 can be flexibly designed and adjusted according to the connection position of the protruding column portion 11 on the rod body 12, which is beneficial to making the structure of the unlocking device 3 more compact.

There are two protruding column parts 11 , and they are correspondingly provided on both sides of the rod body part 12 .

In this embodiment, the protruding column portion 11 and the rod body portion 12 can be of integral design. The protruding column portions 11 are provided symmetrically on both sides of the axial cross-section of the rod body portion 12. The driving device 2 acts on the protruding column portions 11 on both sides at the same time. In order to drive the rod body 12 to move upward, the number of two protruding column parts 11 is beneficial to ensuring that the left and right forces are evenly received when the rod body part 12 moves upward. When the protruding column part 11 drives the rod body part 12, it is conducive to maintaining the linear motion of the rod body part 12. .

In addition, as shown in FIGS. 1-6 , the rod body 12 is provided with a through hole 13 , and the protruding column portion 11 is installed through the through hole 13 and extends to both sides of the rod body 12 .

In this embodiment, the protruding column part 11 and the rod body part 12 can also be of split design. The rod body part 12 has a through hole 13 in a direction perpendicular to its axis. The protruding column includes bolts, nuts, and washers. The bolts are installed Two protruding column portions 11 are formed on both sides of the rod body 12 in the through hole 13 . The rod body 12 and the protruding column are detachable structures, which facilitate the disassembly and installation of the unlocking rod 1 and facilitate the replacement of parts.

As shown in Figures 1-6, the end of the protruding column is provided with a detection surface 14 for detecting the position of the unlocking lever 1.

In this embodiment, the protruding column part 11 and the rod body part 12 are rigidly connected. The end surface of the protruding column part 11 away from the rod body part 12 is the detection surface 14. After the unlocking rod 1 moves, the sensor detects the detection surface 14 and determines that the rod body has been determined. Check whether the movement height of part 12 is in place. The design of the detection surface 14 facilitates detection of the position of the protruding column, so as to determine the movement position of the rod body 12 .

As shown in Figures 1-6, the end of the rod body 12 facing the battery pack is flat.

In this embodiment, a plane parallel to its axial cross-section is designed on the side of the rod body 12. When the driving device 2 drives the rod body 12 to move up and down, this plane fits with the external structure, so that the rod body 12 can only move in this direction. In-plane motion. The end of the rod body 12 facing the battery pack is flat, which is beneficial to preventing the rod body 12 from rotating when the driving device 2 drives the unlocking lever 1 to move up and down.

As shown in Figures 1-6, the rod body 12 includes a first rod body 121 and a second rod body 122. The second rod body 122 is connected to the protruding column portion 11. The first rod body 121 is located at an end of the second rod body 122 close to the battery pack. , one end of the first rod body 121 away from the second rod body 122 is an arc-shaped surface.

In this embodiment, the upper part of the rod body 12 is the first rod body 121, and the top of the first rod body 121 is designed as an arc surface. The lower part of the rod body 12 is the second rod body 122, and the outer surface of the second rod body 122 is along its outer surface. The convex column portion 11 extends to both sides in the radial direction. The end of the unlocking lever 1 that extends into the battery pack is arranged in an arc shape, which is beneficial to preventing damage to the battery pack when the unlocking lever 1 is inserted into the battery pack to trigger the unlocking link, and to protect the internal structure of the battery pack.

Among them, the first rod body 121 has a tapered structure.

In this embodiment, the upper end of the first rod body 121 is designed as a tapered structure, and the top of the tapered structure is an arc surface. The tapered structure design at the end of the first rod body 121 allows for a certain offset error when the unlocking rod 1 is inserted into the battery pack, thereby increasing the accuracy of the insertion of the unlocking rod 1 into the battery pack.

At the same time, as shown in FIGS. 1-6 , the outer surface of the rod body part 12 has an anti-rotation surface 15 for preventing the rod body part 12 from rotating.

In this embodiment, the rod body 12 is a cylindrical rod, and an anti-rotation surface 15 parallel to its axial cross-section is designed on the side of the rod body 12. When the driving device 2 drives the rod body 12 to move up and down, the anti-rotation surface 15 and The external structures fit together so that the rod body 12 can only move in this plane. An anti-rotation surface 15 is provided on the outside of the rod body 12 to prevent the rod body 12 from rotating when the driving device 2 drives the unlocking lever 1 to move up and down.

As shown in Figure 1-6, the rod body 12 is installed with left and right limits relative to the horizontal movement direction. The driving device 2 includes: a driving part 21, and an unlocking guide block 22 connected to the thrust output end of the driving part 21. The unlocking guide block An unlocking guide groove 221 is provided in 22, and the protruding column portion 11 is in sliding fit with the unlocking guide groove 221.

In this embodiment, the unlocking guide block 22 and the driving part 21 are arranged horizontally. The rod body 12 of the unlocking lever 1 is vertically installed in the unlocking guide block 22. The unlocking guide block 22 is provided with an unlocking guide groove 221. The unlocking lever 1 The protruding column portion 11 extends into the unlocking guide groove 221 and slides with the unlocking guide groove 221 . The driving part 21 adopts a split design. The driving part 21 drives the unlocking rod 1 to move through the unlocking guide block 22. The split design can reduce the accuracy requirements for the installation position between the driving part 21 and the unlocking rod 1 and reduce its production cost.

As shown in Figures 1-6, the unlocking guide groove 221 is a diagonal guide groove extending from the lowest position to the highest position to guide the unlocking rod 1. The oblique guide groove is provided on the side wall of the unlocking guide block 22 parallel to its movement direction.

In this embodiment, the unlocking guide groove 221 includes a first guide part, a second guide part and a third guide part. The extension direction of the first guide part is the same as the moving direction of the unlocking guide block 22; the second guide part is parallel to the first guide part and is located at the lower end of the first guide part; one end of the third guide part is close to the third guide from the first guide groove One end of the third guide part is connected with a downward slope, and the other end of the third guide part is connected with an end of the second guide part that is close to the third guide part. When the driving part 21 drives the unlocking guide block 22 to move in the horizontal direction away from the driving part 21, the unlocking guide block 22 drives the rod body 12 to move upward, so that the unlocking rod 1 unlocks the locking mechanism 40 on the electric vehicle. The unlocking guide groove 221 includes a first guide part in the same moving direction as the unlocking guide block 22 and a second guide part parallel to the first guide part and located at the lower end of the first guide part. The first guide part and the second guide part ensure that It is understood that the unlocking guide block 22 can move horizontally and can provide horizontal support for the convex part of the unlocking lever 1 to stay. It also includes a third guide part that is inclined downward from the first guide part and communicates with the second guide part, ensuring that the convex part of the locking lever 1 can be moved horizontally. The head can move up and down.

As shown in Figures 1-6, the unlocking guide block 22 is provided with a cavity 222 that passes up and down. The two side walls of the cavity 222 are provided with unlocking guide grooves 221 of the same shape. The two protruding column portions 11 are respectively provided on In the unlocking guide grooves 221 on both sides of the cavity 222.

In this embodiment, the unlocking guide block 22 is provided with a cavity 222 that passes up and down. Unlocking guide grooves 221 of the same shape are correspondingly provided on the upper and lower side walls of the cavity 222 facing the battery pack. The unlocking lever 1 The protruding column portions 11 on the upper body extend into the unlocking guide groove 221 along the rod body 12 and are slidably connected with the unlocking guide groove 221. When the driving portion 21 drives the unlocking guide block 22 to move, the protruding column portions 11 move in the unlocking guide groove. 221 to drive the rod body 12 to move up and down. The unlocking guide groove 221 in the cavity 222 is symmetrically designed so that when the unlocking guide groove 221 acts on the unlocking rod 1, its force is more balanced and the movement is smoother.

As shown in Figures 1-6, the driving device 2 also includes a fixed vertical guide mechanism 223. The rod body 12 passes through the vertical guide mechanism 223, so that the unlocked rod 1 can be pushed in the driving part 21 and the unlocked guide groove 221 Under the action, it moves up and down along the vertical guide mechanism 223.

In this embodiment, the vertical guide mechanism 223 provided for guiding the rod body 12 can ensure that the unlocking rod 1 moves up and down in a predetermined direction to avoid tilting left and right, which is beneficial to aligning the unlocking position and quickly unlocking.

In addition, in this embodiment, the battery swap equipment is provided in the battery swap shuttle 4. The battery swap shuttle 4 also includes a battery pack fixing plate 5 for positioning and moving the battery pack and/or a body for positioning the electric vehicle. The fixing plate 6 and the unlocking device 3 are arranged on the vehicle body fixing plate 6 or the vehicle body fixing plate 6 so that the unlocking lever 1 can be raised and lowered driven by the driving device 2 to unlock the battery pack of the electric vehicle.

In one embodiment, as shown in Figures 1-6, the battery swap equipment of the battery swap shuttle 4 also includes a body fixing plate 6 and a battery pack fixing plate 5. The battery pack fixing plate 5 is used to connect and position the battery pack. The battery pack The fixing plate 5 is located above the body fixing plate 6. The body fixing plate 6 can prevent relative movement between the body and the battery swap shuttle 4, thereby facilitating the battery swap shuttle 4 to smoothly unlock and unlock the battery pack; the battery pack The fixed plate 5 can prevent relative movement between the battery swap shuttle 4 and the battery pack, thereby facilitating the unlocking and unlocking of the battery pack.

Among them, a battery tray is also installed on the battery pack fixing plate 5. A waist-shaped hole is provided at the corresponding position between the battery tray and the unlocking lever 1. The unlocking device 3 is arranged on both sides of the vehicle body fixing plate 6 and on both sides of the load-bearing plate positioned with the battery pack. corresponding to the avoidance groove, so that the unlocking rod 1 rises to pass through the waist-shaped hole.

In this embodiment, the battery pack fixing plate 5 is provided with an escape groove, and the unlocking rod 1 passes through the escape groove and is fixed to the vehicle body fixing plate 6 . At the same time, a battery tray is also installed on the battery pack fixing plate 5. A waist-shaped hole is provided at the corresponding position between the battery tray and the unlocking lever 1. When the unlocking guide block 22 drives the unlocking lever 1 to move up and down, the rod body 12 can pass through the waist-shaped hole. out and unlock the battery pack. The opening of the avoidance groove can prevent the upper battery pack fixing plate 5 from blocking the unlocking lever 1 and interfering with the work of the unlocking lever 1. The opening of the waist-shaped hole facilitates the penetration of the lever body 12.

In another embodiment, the unlocking lever 1 is a torque unlocking lever, and the torque unlocking lever applies torque to cooperate with the locking and unlocking mechanism to achieve unlocking.

In this case, the unlocking rod 1 can be a torque gun. When the unlocking mechanism is a threaded lock, there are external threads on the outer circumference of the unlocking rod 1. When unlocking is required, the unlocking rod 1 drives the external threads on it to move. Unlock with the internal thread on the locking and unlocking mechanism; when the locking and unlocking mechanism is a T-shaped lock, a transverse rod is provided on the top of the unlocking rod 1, and the transverse rod is fixedly connected to the rod body 12 of the unlocking rod 1 so that the unlocking rod 1 forms a T shape Structure, the rotation of the unlocking rod 1 drives the transverse rod to change its angle. When the angle of the transverse rod is consistent with the opening angle of the T-shaped lock, the transverse rod protrudes from the opening of the T-shaped lock to unlock it with the locking and unlocking mechanism. The unlocking lever 1 adopts such a structure and unlocking form, which is beneficial to making it suitable for a variety of unlocking environments. As shown in Figure 7-9, the unlocking and unlocking process of the battery swap shuttle 4 in this embodiment will be explained below based on the structure of the battery swap car and the battery pack end. A body bracket is connected to the two body longitudinal beams of the electric car at the same time. , the body bracket is a frame structure welded by profiles, and each locking mechanism 40 is set on the lower surface of the longitudinal beam of the body bracket, and is used for locking connection with the locking matching mechanism on the battery pack, so that the battery pack Connect or detach from the body bracket to achieve the purpose of replacing the battery. Among them, the locking mechanisms 40 are arranged in two rows on the lower surface of the vehicle body bracket to respectively correspond to the two vehicle body longitudinal beams. As shown in FIG. 7 , the hooks at each mounting bracket 50 on the electric vehicle battery pack are used to be inserted into the locking mechanism 40 to achieve locking.

During the unlocking process, the body fixing plate 6 and the battery pack fixing plate 5 move in the first direction, so that the body positioning assembly and the battery pack fixing plate 5 are adjusted to the appropriate position according to the position of the body positioning hole and the position of the battery pack of the vehicle model to be replaced. Lift the vehicle body fixing plate 6 to position it with the vehicle body. The battery pack fixing plate 5 is positioned through the positioning piece and drives the mobile battery pack. Since the battery pack fixing plate 5 can be moved and the unlocking lever 1 is located on the battery pack fixing plate 5, the battery pack is The sliding hole is set as a waist-shaped sliding hole, or a sliding hole with a diameter relatively larger than the movement stroke of the battery pack fixing plate 5 during the unlocking process.

When locking: the unlocking rod 1 can be unlocked by rising. The unlocking rod 1 rises and enters the sliding hole of the battery pack, pushing the ejector rod in the battery pack, so that the ejector rod in the battery pack pushes the locking mechanism 40, and the lock is opened. , push the hook at the mounting bracket 50 on the battery pack into the L-shaped groove of the locking mechanism 40 to achieve locking.

When unlocking: the battery pack fixing plate 5 drives the battery pack to move to the inside of the L-shaped groove of the locking mechanism 40. The unlocking lever 1 pushes the locking link, causing the locking link to push the locking mechanism 40. The locking mechanism 40 opens and the battery pack The fixing plate 5 drives the hook at the battery pack installation bracket 50 to move toward the unlocking opening of the L-shaped groove, and withdraws from the locking mechanism 40 to achieve unlocking.

Specifically, as shown in Figures 7-9, the unlocking rod 1 pushes the ejector mechanism 400, the jacking seat 41 of the unlocking rod 1 drives the ejector upward, and lifts the locking link rod of the locking mechanism 40 to unlock, and then Push the hitch at the mounting bracket 50 into the L-shaped groove, and the locking link of the locking mechanism 40 falls to achieve locking.

Although specific embodiments of the present application have been described above, those skilled in the art will understand that these are only examples, and the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, but these changes and modifications all fall within the protection scope of the present application.

Claims

An unlocking lever that is applied to power exchange equipment and unlocks the battery pack on an electric vehicle. The power exchange equipment includes a driving device, characterized in that the unlocking lever includes:

A convex column part and a rod body part. One end of the convex column part is connected to the outer peripheral surface of the rod body part. The other end of the convex column part extends outward along the radial direction of the rod body part and is used to communicate with the driving device. Connected, the driving device is used to drive the protruding column part to drive the rod body part to move up and down, so that the unlocking rod unlocks and unlocks the unlocking structure of the electric vehicle and the battery pack.
The unlocking lever according to claim 1, characterized in that there are two protruding column parts, and they are respectively provided on both sides of the rod body part.
The unlocking lever according to claim 2, wherein the lever body is provided with a through hole, and the protruding column portion is installed through the through hole and extends to both sides of the lever body.
The unlocking lever according to any one of claims 1 to 3, characterized in that the end of the protruding column is provided with a detection surface for cooperating with the position sensor detection of the unlocking lever.
The unlocking lever according to any one of claims 1 to 4, wherein the end of the lever body facing the battery pack is flat.
The unlocking lever according to any one of claims 1 to 5, wherein the lever body part includes a first lever body and a second lever body, the second lever body is connected to the protruding column part, and the third lever body A rod is disposed at an end of the second rod close to the battery pack, and an end of the first rod far away from the second rod is an arc-shaped surface.
The unlocking lever according to claim 6, wherein the first lever body has a tapered structure.
The unlocking lever according to any one of claims 1 to 7, wherein the outer surface of the lever body portion has an anti-rotation surface for preventing the rotation of the lever body portion.
The unlocking lever according to any one of claims 1 to 8, characterized in that the rod body is mounted to the left and right with respect to the horizontal movement direction, and the driving device includes: a driving part, and a thrust force of the driving part. The output end is connected to an unlocking guide block, the unlocking guide block is provided with an unlocking guide groove, and the protruding column portion is in sliding fit with the unlocking guide groove.
The unlocking lever according to claim 9, wherein the unlocking guide groove is a diagonal guide groove extending from the lowest position to the highest position, and the oblique guide groove is provided on the unlocking guide. The side walls of the block are parallel to the direction of its movement.
The unlocking lever according to claim 10, wherein the unlocking guide block is provided with a cavity that passes up and down, and unlocking guide grooves of the same shape are provided on both side walls of the cavity, and the two The protruding column parts are respectively provided in the unlocking guide grooves on both side walls of the cavity.
The unlocking lever according to any one of claims 9 to 11, characterized in that the driving device further includes a fixed vertical guide mechanism, and the rod body passes through the vertical guide mechanism so that the unlocking lever The rod can move up and down along the vertical guide mechanism under the push of the driving part and the action of the unlocking guide groove.
The unlocking lever according to any one of claims 1 to 12, characterized in that the unlocking lever is a torque unlocking lever, and the torque unlocking lever exerts torque to cooperate with the locking and unlocking mechanism to achieve unlocking.
An unlocking device, characterized in that the unlocking device includes the unlocking lever according to any one of claims 1-13.
The unlocking device according to claim 14, characterized in that the unlocking device is provided in a power exchange device or in the battery pack.
A power exchange device, characterized in that the power exchange device includes the unlocking device according to any one of claims 14-15.
The power exchange equipment according to claim 16, characterized in that the power exchange equipment is provided on a power exchange shuttle, and the power exchange shuttle further includes a battery pack fixing plate for positioning and moving the battery pack. / Or a vehicle body fixing plate used for positioning an electric vehicle. The unlocking device is provided on the vehicle body fixing plate or the vehicle body fixing plate so that the unlocking lever can be raised and lowered driven by the driving device to lock the electric vehicle. Battery pack plus unlock.
The battery swapping equipment according to claim 17, wherein a battery tray is further installed on the battery pack fixing plate, a waist-shaped hole is provided at the corresponding position between the battery tray and the unlocking lever, and the unlocking device The release grooves are provided on both sides of the vehicle body fixed plate and correspond to the avoidance grooves on both sides of the load-bearing plate where the battery pack is positioned, so that the unlocking lever is raised to pass through the waist-shaped hole.