Battery swapping device and battery swapping station

Abstract

A battery swapping device and a battery swapping station. The battery swapping device comprises an unlocking mechanism for unlocking a locking mechanism of a battery pack; the locking mechanism comprises lock bases that are each provided with a lock slot for accommodating a lock shaft on the sidewall of the battery pack, and lock bolts movably arranged to open or close the lock slots; one end of each lock bolt is rotatably connected to the corresponding lock base, and by means of an elastic member, the other end of the lock bolt is connected to a lock linkage located above the lock base; the lock linage is provided with a protruding portion extending downwards; the unlocking mechanism is movably arranged in the extension direction of the lock slot; the upper end of the unlocking mechanism is provided with an unlocking inclined surface arranged corresponding to the side surface of the protruding portion; in the horizontal movement process of the unlocking mechanism, the unlocking inclined surface is in contact with the protruding portion and further abuts against the protruding portion, so that the protruding portion slides relative to the unlocking inclined surface until the lock bolt is driven to bounce off and open the lock slot. The present invention acts on the unlocking mechanism only by means of horizontal movement, and does not need to additionally provide a longitudinal displacement mechanism, so that the cost is reduced and the integration level is improved.

Description

Battery swap equipment and stations

[0001] This application claims the benefit of Chinese Patent Application No. 2023118743440, filed December 29, 2023. This application incorporates the entirety of the aforementioned Chinese Patent Application. Technical Field

[0002] The present invention relates to the field of electric vehicles, and in particular to a battery swapping device and a battery swapping station. Background Art

[0003] In the prior art, battery swap stations typically use battery swap equipment as equipment for unlocking, assembling, and transporting battery packs. The battery swap equipment is typically equipped with an unlocking mechanism for unlocking the battery pack, which acts on the battery pack's locking mechanism to unlock the battery pack from the electric vehicle, allowing the battery pack to be removed from the electric vehicle. When in use, the unlocking mechanism in the prior art often requires horizontal movement for positioning and alignment, and then vertical movement to interact with the locking mechanism for unlocking. The unlocking process is cumbersome and requires two sets of motion mechanisms, resulting in poor space utilization. Furthermore, vertical unlocking also requires a larger longitudinal space for the battery swap equipment to operate, placing stricter requirements on the longitudinal height of the battery swap equipment and the thickness of the battery pack. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the defects in the prior art that the unlocking process of the battery swapping equipment is relatively cumbersome and requires two sets of motion mechanisms, resulting in poor space utilization. In addition, vertical unlocking will also cause the battery swapping equipment to require a larger longitudinal space to operate, and has more stringent requirements on the longitudinal height of the battery swapping equipment and the thickness of the battery pack. A battery swapping device and a battery swapping station are provided.

[0005] The present invention solves the above technical problems through the following technical solutions:

[0006] A battery exchange device, which includes an unlocking mechanism for unlocking the locking mechanism of a battery pack, wherein the locking mechanism includes a lock base having a lock groove for accommodating a lock shaft on the side wall of the battery pack and a lock tongue movably arranged to open or close the lock groove, one end of the lock tongue is rotatably connected to the lock base and the other end is connected to a lock link located above the lock base through an elastic member, and the lock link has a protrusion extending downward, and is characterized in that the unlocking mechanism is movably arranged along the extension direction of the lock groove, and the upper end of the unlocking mechanism has an unlocking inclined surface arranged corresponding to the side surface of the protrusion, and during the horizontal movement of the unlocking mechanism, the unlocking inclined surface contacts the protrusion and further pushes the protrusion, so that the protrusion slides relative to the unlocking inclined surface until it drives the lock tongue to pop open and open the lock groove.

[0007] In this solution, the above-mentioned structure is adopted, and the unlocking mechanism is changed from the push pin of the prior art to a push pin, which is provided with an inclined surface for guidance, so that it can act on the unlocking mechanism only through horizontal movement, and the upward component force generated by the inclined surface directly "pushes open" the lock link, without the need for an additional longitudinal displacement mechanism, which greatly reduces the structural complexity, reduces the cost, and improves the integration level.

[0008] Preferably, the unlocking mechanism is an unlocking rod with a rigid structure, and the unlocking rod is set no lower than the highest position of the protrusion.

[0009] In this solution, the above-mentioned structure is adopted, and the unlocking rod can be set to be higher than or equal to the protrusion. The unlocking rod is set to be higher than the highest position of the protrusion, which can keep the relative position of the unlocking rod and the protrusion unchanged. When the unlocking is unsuccessful once, it can be unlocked back and forth multiple times; the unlocking rod is set to be exactly the same height as the highest position of the protrusion, which can also realize the unlocking function.

[0010] Preferably, the unlocking inclined surface is provided at the upper end of the unlocking lever facing the side surface of the protruding portion, and the unlocking inclined surface is inclined toward the protruding portion and downward of the protruding portion.

[0011] In this solution, the above structure is adopted to facilitate the contact between the unlocking inclined surface and the protruding portion, and by extending obliquely downward from the protruding portion, the horizontal force applied by the unlocking mechanism to the protruding portion can be converted into a vertical upward force.

[0012] Preferably, guiding arc surfaces are formed at both ends of the unlocking inclined surface respectively; and / or, guiding arc surfaces are provided at the end corners of the protrusion facing the unlocking inclined surface.

[0013] In this solution, the above structure is adopted, and guide arc surfaces are provided at both ends of the unlocking inclined surface to facilitate guiding the protrusion to the unlocking inclined surface. At the same time, the guide arc surfaces provided at the ends can also prevent the ends from being too sharp and causing wear.

[0014] Preferably, a locking surface is provided on the unlocking lever on the other side opposite to the unlocking inclined surface;

[0015] The locking surface is used to contact the protruding portion during the reverse movement of the unlocking mechanism, thereby driving the lock tongue to fall into the lock groove.

[0016] In this solution, the above structure is adopted, so that when the locking is not in place, the locking surface contacts the protrusion through reverse horizontal movement to drive the lock tongue to fall into the lock groove.

[0017] Preferably, the locking surface extends in a vertical direction, and / or the top end corner of the locking surface has a guiding arc surface.

[0018] In this solution, the above structure is adopted, and the locking surface extends in the vertical direction to facilitate contact with the protrusion. The top end corner of the locking surface is provided with a guide arc surface to prevent the end from being too sharp and causing wear.

[0019] Preferably, the unlocking mechanism further includes a mounting seat, and the unlocking rod is arranged on the mounting seat.

[0020] In this solution, the above structure is adopted, and the unlocking mechanism fixes the unlocking rod through the mounting seat, and the mounting seat can play the role of assembly with other structures, such as the guide mechanism or the driving mechanism.

[0021] Preferably, the battery exchange device further includes a guide mechanism, the guide mechanism includes a guide rail, the guide rail extends along the extension direction of the lock slot, a slider is provided on the mounting seat, and the slider is clamped on the guide rail.

[0022] In this solution, the above structure is adopted, and the mounting seat is also used to connect the slider of the guide mechanism so that the unlocking rod can move horizontally along the guide rail.

[0023] Preferably, a rolling portion is further provided on the unlocking inclined surface, and the rolling portion includes a rolling member and a sliding seat. The rolling member is rotatably provided in the sliding seat, and the unlocking mechanism contacts the protrusion through the rolling member, and the rolling member can rotate in the direction of relative movement between the unlocking mechanism and the locking mechanism.

[0024] In this solution, the above structure is adopted. By setting a rolling part and setting a rotatable rolling element on the contact surface, planar friction can be converted into rolling friction, which significantly reduces friction, avoids wear and reduces the moving force requirement of the unlocking mechanism.

[0025] Preferably, the rolling element is a ball, the sliding seat accommodating cavity, the outward side of the accommodating cavity includes a through hole, the diameter of the through hole is smaller than the diameter of the ball, the ball is arranged in the accommodating cavity, and part of the ball is exposed from the sliding seat through the through hole.

[0026] In this solution, the above structure is adopted, and by preferably using balls as the rolling elements, the contact area between the two components is minimized to the greatest extent, thereby further reducing the friction force.

[0027] Preferably, the sliding seat is provided with an external thread, the unlocking inclined surface is provided with a corresponding threaded hole, and the sliding seat is arranged in the threaded hole.

[0028] In this solution, the above structure is adopted, and by arranging the sliding seat to be detachably connected to the unlocking inclined surface, it is convenient to set the rolling part and reduce the overall processing cost.

[0029] A battery swap station, comprising the battery swap equipment as described in any one of the above items.

[0030] In this solution, the above-mentioned structure is adopted, and the unlocking mechanism of the battery exchange equipment is changed from the push pin of the existing technology to a push pin, which is provided with a slope for guidance, so that it can act on the unlocking mechanism only through horizontal movement, and the upward component force generated by the slope directly "pushes open" the lock link, without the need for an additional longitudinal displacement mechanism, which greatly reduces the structural complexity, reduces costs, and improves the degree of integration.

[0031] The positive progressive effect of the present invention is that: the present invention discloses a battery swapping device and a battery swapping station, and the unlocking mechanism of the battery swapping device is changed from the push pin of the prior art to a push pin, which is provided with an inclined surface for guidance, so that it can act on the unlocking mechanism only through horizontal movement, and the upward component force generated by the inclined surface directly "pushes open" the lock link, without the need for an additional longitudinal displacement mechanism, which greatly reduces the structural complexity, reduces the cost, and improves the integration. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] FIG1 is a schematic structural diagram of a battery swapping device according to an embodiment of the present invention.

[0033] FIG2 is a schematic diagram of a partial structure of a battery exchange device according to an embodiment of the present invention.

[0034] FIG3 is a schematic structural diagram of an unlocking lever according to an embodiment of the present invention.

[0035] FIG4 is a schematic structural diagram of a locking mechanism according to an embodiment of the present invention.

[0036] FIG5 is a schematic diagram of a partial structure of a battery exchange device according to an embodiment of the present invention.

[0037] FIG6 is a schematic diagram of a partial structure of the battery exchange device from a vertical perspective according to an embodiment of the present invention.

[0038] FIG7 is a schematic diagram of a partial structure of a battery exchange device from a horizontal perspective according to an embodiment of the present invention.

[0039] Description of reference numerals:

[0040] Upper plate 200

[0041] Avoidance Space 201

[0042] Lower plate 100

[0043] Unlocking mechanism 10

[0044] Unlocking lever 11

[0045] Mounting Block 12

[0046] Unlock Slope 13

[0047] Guide arc surface 14

[0048] Locking surface 15

[0049] Rolling portion 16

[0050] Rolling element 161

[0051] Sliding seat 162

[0052] Locking mechanism 20

[0053] Lock link 21

[0054] protrusion 22

[0055] Lock base 23

[0056] Lock slot 231

[0057] Lock tongue 24

[0058] Guide mechanism 30

[0059] Slider 31

[0060] Limit block 311

[0061] Guide Rail 32

[0062] Limiting slot 321

[0063] Driving mechanism 40

[0064] Electric cylinder 41

[0065] Drive rod 42

[0066] Connector 50

[0067] Connecting plate 51

[0068] Recessed portion 511

[0069] Fixed plate 52 DETAILED DESCRIPTION

[0070] The present invention is further described below by way of examples, but the present invention is not limited to the scope of the examples.

[0071] This embodiment provides a battery swap station, which uses battery swap equipment to unlock the battery pack from the electric vehicle, transport the battery pack, and assemble the battery pack onto the electric vehicle.

[0072] Figure 1 shows a battery exchange device of the present embodiment, which includes an unlocking mechanism 10 for unlocking the locking mechanism 20 of the battery pack. The locking mechanism 20 includes a lock base 23 having a lock slot 231 for accommodating a lock shaft on the side wall of the battery pack and a lock tongue 24 that is movably arranged to open or close the lock slot 231. One end of the lock tongue 24 is rotatably connected to the lock base 23 and the other end is connected to a lock link 21 located above the lock base 23 through an elastic member. The lock link 21 has a protrusion 22 extending downward. In this embodiment, the locking mechanism 20 is used to lock the lock shaft of the battery pack. When the battery pack is disassembled, the locking mechanism 20 releases the lock on the lock shaft, and the lock shaft of the battery pack can be detached from the locking mechanism 20, thereby allowing the battery pack to be detached. The specific structure of the locking mechanism 20 can be shown in Figure 4, which includes a lock base 23, a lock tongue 24, and a lock link 21. The lock base 23 is provided with a lock slot 231 for the lock shaft on the battery pack to enter and lock. At least a portion of the lock tongue 24 is inserted into the lock slot 231 to restrict the lock shaft from leaving the lock slot 231. One end of the lock tongue 24 is rotatably arranged in the lock base 23, and the other end of the lock tongue 24 is connected to the lock link 21. The lock link 21 is used to drive the lock tongue 24 to rotate between the unlocked state and the locked state under the action of the unlocking driving force to open or close the opening for the lock shaft to enter and exit the lock slot 231. In this embodiment, the lock link 21 includes a protrusion 22, and the lock link 21 contacts the unlocking mechanism 10 through the protrusion 22 and is driven by the unlocking mechanism 10.

[0073] As shown in Figure 2, the battery exchange device also includes a drive mechanism 40 for driving the unlocking mechanism 10 to move horizontally. The drive mechanism 40 is an electric cylinder 41. The telescopic rod of the electric cylinder 41 is connected to the unlocking mechanism 10 to drive the unlocking mechanism 10 to move horizontally, thereby pushing the protrusion 22 so that the lock link 21 drives the lock tongue 24 to pop open to open the lock slot 231. The drive mechanism 40 uses a drive rod 42 and an electric cylinder 41. Compared with the solutions adopted by existing technologies such as synchronous belts, it has a simpler structure, better dust and particle prevention effects, and high reliability. At the same time, the electric cylinder 41 and the drive rod 42 solution have a higher degree of integration and better space utilization, which can reduce the overall height of the battery exchange equipment, increase the longitudinal operating space during the battery exchange operation, improve the battery exchange efficiency and reduce the difficulty.

[0074] In this embodiment, the horizontal movement of the unlocking mechanism 10 can not only be used for alignment adjustment, but also, when unlocking, is also driven by the driven mechanism 40 to move horizontally to complete the unlocking. Specifically, as shown in Figures 2 and 3, the unlocking mechanism 10 is movable along the extension direction of the lock slot 231. The upper end of the unlocking mechanism 10 has an unlocking inclined surface 13 arranged corresponding to the side surface of the protrusion 22. During the horizontal movement of the unlocking mechanism 10, the unlocking inclined surface 13 contacts the protrusion 22 and further pushes against the protrusion 22, causing the protrusion 22 to slide relative to the unlocking inclined surface 13 until it drives the lock tongue 24 to spring open and open the lock slot 231. The unlocking mechanism 10 is replaced by a push pin in the prior art, and is provided with a guide inclined surface, which allows it to act on the unlocking mechanism 10 solely through horizontal movement. The upward component of force generated by the inclined surface directly "pushes open" the lock link 21, eliminating the need for an additional longitudinal displacement mechanism. This greatly reduces structural complexity, thereby improving both cost and integration.

[0075] Specifically, the setting position of the unlocking mechanism 10 is shown in Figure 1. The battery swapping device includes an upper plate 200 and a lower plate 100. The drive mechanism 40 and the unlocking mechanism 10 are arranged on the lower plate 100. The upper plate 200 is recessed inward to form an escape space 201. The unlocking mechanism 10 extends above the upper plate 200 through the escape space 201. By providing the escape space 201, the unlocking mechanism 10 can be set on the lower plate 100, further reducing the overall height and ensuring longitudinal space during battery swapping operations.

[0076] In other embodiments, only the driving mechanism 40 (ie, the electric cylinder 41 and the driving rod 42) of this embodiment may be used to realize the horizontal movement of the unlocking mechanism 10 for alignment adjustment, while the traditional vertical movement unlocking unlocking mechanism 10 is used.

[0077] As shown in Figure 3, the unlocking mechanism 10 comprises a rigid unlocking lever 11, which is positioned no lower than the highest position of the protrusion 22. In one embodiment, the unlocking lever 11 can be positioned higher than the protrusion 22. Positioning the unlocking lever 11 higher than the highest position of the protrusion 22 maintains the relative position of the unlocking lever 11 and the protrusion 22, allowing for multiple unlocking attempts if one attempt fails. In another embodiment, positioning the unlocking lever 11 at the exact same height as the highest position of the protrusion 22 also achieves the unlocking function, but this approach only allows for a single unlocking attempt, not multiple unlocking attempts.

[0078] The specific structure of the unlocking rod 11 is shown in Figure 3. The upper end of the unlocking rod 11 facing the side of the protrusion 22 is provided with an unlocking slope 13, and the unlocking slope 13 is inclined toward the protrusion 22 and below the protrusion 22. The unlocking slope 13 is an inclined slope that gradually sinks from the top of the unlocking rod 11 toward the protrusion 22. This slope can convert the horizontal force into a vertical force component when it contacts the protrusion 22. And because the unlocking rod 11 is set at a position not lower than the highest position of the protrusion 22, it can be ensured that when the unlocking rod 11 moves horizontally, it will always contact the protrusion 22 through the unlocking slope 13, so that the unlocking slope 13 contacts the protrusion 22, and by extending obliquely downward from the protrusion 22, the unlocking rod 11 can apply an upward force to the protrusion 22 to lift the lock link 21. Specifically, during the horizontal movement of the unlocking mechanism 10 , the unlocking slope 13 contacts the protrusion 22 and further pushes the protrusion 22 , causing the protrusion 22 to slide relative to the unlocking slope 13 until the lock tongue 24 is ejected and the lock slot 231 is opened.

[0079] In this embodiment, the specific structure of the unlocking inclined surface 13 is also shown in FIG3 . A rolling portion 16 is further provided on the unlocking inclined surface 13. The rolling portion 16 includes a rolling element 161 and a sliding seat 162. The rolling element 161 is rotatably disposed within the sliding seat 162. The unlocking mechanism 10 contacts the protrusion 22 via the rolling element 161. The rolling element 161 is capable of rotating in the direction of relative motion between the unlocking mechanism 10 and the locking mechanism 20. The provision of the rolling portion 16 and the rotatable rolling element 161 on the contact surface converts planar friction into rolling friction, significantly reducing friction, preventing wear, and lowering the force required to move the unlocking mechanism 10.

[0080] The rolling element 161 is preferably a ball, and the sliding seat 162 includes a receiving cavity. The outward side of the receiving cavity includes a through hole. The diameter of the through hole is smaller than the diameter of the ball. The ball is arranged in the receiving cavity, and part of the ball is exposed from the sliding seat 162 through the through hole. When the protrusion 22 contacts, the friction generated by the relative movement of the two causes the ball to roll in the receiving cavity in the opposite direction of the movement of the unlocking rod 11, thereby converting sliding friction into rolling friction. In addition, by preferably selecting the rolling element 161 as a ball, the contact area of ​​the two components when they come into contact is minimized, thereby further reducing friction. In other embodiments, the rolling element 161 can also be configured as a roller, or other structures that reduce friction resistance, such as a sliding surface with a low surface friction coefficient.

[0081] In this embodiment, the sliding seat 162 is provided with external threads, and the unlocking ramp 13 is provided with a corresponding threaded hole, in which the sliding seat 162 is disposed. By providing a detachable connection between the sliding seat 162 and the unlocking ramp 13, the rolling portion 16 is conveniently installed, reducing overall manufacturing costs. In other embodiments, other detachable methods can be used to complete the assembly of the sliding seat 162 and the unlocking lever 11.

[0082] As shown in Figure 3, guide arc surfaces 14 are formed at both ends of the unlocking slope 13. Specifically, as shown in Figure 3, the guide arc surface 14 is a smooth arc surface, which can play a guiding role when in contact with other structures to avoid excessive friction. Guide arc surfaces 14 are provided at both ends of the unlocking slope 13 to facilitate guiding the protrusion 22 to the unlocking slope 13. At the same time, a guide arc surface 14 is also provided at the end corner of the protrusion 22 facing the unlocking slope 13. Providing a guide arc surface 14 on the protrusion 22 can also prevent the end from being too sharp and causing wear. In other embodiments, only one guide arc surface 14 can be provided at the contact position between the unlocking rod 11 and the protrusion 22 to prevent the end from being too sharp and causing wear.

[0083] As shown in Figure 3, a locking surface 15 is provided on the unlocking lever 11 on the side opposite the unlocking inclined surface 13. The locking surface 15 is configured to contact the protrusion 22 during the reverse movement of the unlocking mechanism 10, thereby driving the lock tongue 24 to fall into the lock slot 231. The provision of the locking surface 15 allows the unlocking mechanism 10 to further contact the protrusion 22 through reverse horizontal movement after it has moved horizontally past the unlocked position. This facilitates reverse horizontal movement to allow the locking surface 15 to contact the protrusion 22 and drive the lock tongue 24 into the lock slot 231 when the lock is not in place.

[0084] As shown in FIG3 , in this embodiment, the locking surface 15 extends vertically, which facilitates contact with the protrusion 22. Preferably, as shown in FIG3 , the top corner of the locking surface 15 has a guide arc 14. Providing the guide arc 14 at the top corner of the locking surface 15 also prevents the end from being too sharp and causing wear.

[0085] As shown in Figures 2 and 5 to 7, the drive rod 42 of the drive mechanism 40 is connected to the side of the unlocking mechanism 10 via a connector 50. The connector 50 includes a connecting plate 51 and a fixing plate 52. One end of the connecting plate 51 is fixed to the drive rod 42, and the other end of the connecting plate 51 extends toward the unlocking mechanism 10. The fixing plate 52 is fixed to the other end of the connecting plate 51 for mounting the unlocking mechanism 10. Specifically, the connector 50 connects the drive rod 42 and the unlocking mechanism 10 via the connecting plate 51 and the fixing plate 52, respectively. The connecting plate 51 and the fixing plate 52 extend in different directions, while the fixing plate 52 and the unlocking mechanism 10 extend in the same direction. This increases the contact area between the fixing plate 52 and the unlocking mechanism and makes the connection more secure. The connecting plate 51 only connects the fixing plate 52 and the drive rod 42, eliminating the need to increase the connection area with the unlocking mechanism 10. Therefore, it can be made thinner and occupies less space. Specifically, the connecting plate 51 and the fixed plate 52 are in a vertical relationship. The fixed plate 52 is connected to the side of the unlocking rod 11 of the unlocking mechanism 10 and is arranged parallel to the connecting surface of the unlocking rod 11 to ensure that the connection area between the two is maximized and the effect is best. The connecting plate 51 is passed through the end of the driving rod 42 and is arranged perpendicular to the connecting surface of the fixed plate 52 and the unlocking rod 11 to ensure that its extension length is the shortest and the structural strength is the greatest.

[0086] As shown in Figures 2 and 5 to 7, the battery exchange device also includes a guide mechanism 30, which includes a guide rail 32 arranged along the telescopic direction of the drive rod 42 and a slider 31 that slides with the guide rail 32, and the unlocking mechanism 10 is fixed on the slider 31. The extension direction of the guide rail 32 of the guide mechanism 30 is the same as the extension direction of the lock groove 231 of the locking mechanism 20. The unlocking mechanism 10 is further guided and limited by the guide mechanism 30, constraining it to move only in a specific direction, thereby avoiding possible relative movements such as rotation and deviation between the unlocking mechanism 10 and the drive rod 42, thereby improving the reliability of the unlocking mechanism 10.

[0087] Preferably, the battery swap device has a guide groove formed at the corresponding position of the guide rail 32, and the guide rail 32 is arranged in the guide groove. The guide rail 32 adopts a sunken design and is partially accommodated in the guide groove. While playing a guiding role, it also avoids the influence of the guide rail 32 on the overall height of the unlocking mechanism 10, thereby reducing the overall height.

[0088] As shown in Figures 5 and 7, the guide rail 32 is provided with limiting grooves 321 on both sides along its extension direction, and the slider 31 includes a limiting block 311 corresponding to the limiting groove 321. The slider 31 is clamped on the guide rail 32 through the limiting block 311 and the limiting groove 321. It is convenient to install the guide rail, so that the limiting effect of the guide rail 32 and the slider 31 is better, thereby achieving a better guiding effect, and the unlocking movement direction of the unlocking rod 11 is more precise. Specifically, the slider 31 is C-shaped as a whole. There are buckle-shaped limiting blocks 311 on both sides, and the guide rail 32 is in the shape of an "I" as a whole, with concave limiting grooves 321 on both sides. The two match each other so that the slider 31 can be limited on the guide rail 32 in both the vertical direction and the width direction and can only move along the extension direction of the guide rail 32. In other embodiments, other conventional limiting structures can also be selected.

[0089] As shown in Figures 2 and 5 to 7, the unlocking mechanism 10 also includes a mounting base 12, on which the unlocking rod 11 is mounted. The unlocking mechanism 10 secures the unlocking rod 11 via the mounting base 12, and the mounting base 12 can be used to assemble with other structures, such as the guide mechanism 30 or the drive mechanism 40. In this embodiment, the mounting base 12 of the guide mechanism 30 is mounted on the slider 31 of the guide mechanism 30 and supports the unlocking rod 11. In other embodiments, the mounting base 12 can also be used to connect to the drive mechanism 40, for example, by directly connecting the connector 50 to the mounting base 12.

[0090] As shown in Figures 5 and 7, the drive rod 42 is connected to the side of the unlocking mechanism 10 via a connector 50. The connector 50 is recessed inward toward the side of the unlocking mechanism 10 to clear the guide mechanism 30. Specifically, one end of the connecting plate 51, which is closest to the mounting base 12, guide rail 32, and slider 31, is recessed inward to form a recessed portion 511. The mounting base 12, guide rail 32, and slider 31 are partially accommodated within this recessed portion 511. The provision of the recessed portion 511 provides space for the guide mechanism 30 to clear the gap, preventing interference between the connector 50 and the guide mechanism 30 and making the overall structure more compact.

[0091] As shown in Figure 6 , the projections of the guide mechanism 30 and the drive mechanism 40 along the extension direction of the guide mechanism 30 overlap to form the starting point of the guide mechanism 30. Specifically, the guide mechanism 30 and the drive mechanism 40 partially overlap in their overall length, resulting in an interlaced and overlapping parallel position relationship between the two. The starting point of the guide mechanism 30 is not located at the end of the drive mechanism 40, but extends to the inside of the drive mechanism 40. This structure reduces the overall length of the guide mechanism 30 and the drive mechanism 40, making the structure more compact.

[0092] Specifically, in this embodiment, as shown in FIG6 , the unlocking mechanism 10 and the drive mechanism 40 are connected via a connector 50. The connector 50 has one end connected to the unlocking rod 11 and one end connected to the drive rod 42, and their projections in the direction of extension of the guide mechanism 30 overlap. The connector 50 is in the shape of a straight plate, and is connected to the middle portion of the unlocking mechanism 10 or to the end thereof in the direction of extension of the drive rod 42. This structure eliminates the need for offset bending at both ends of the connector 50, allowing the connector 50 to be a straight plate, making it easier to manufacture. By changing the connection position of the connector 50 and the unlocking mechanism 10, a portion of the guide mechanism 30 can be made to overlap with the drive mechanism 40.

[0093] In another embodiment, the connecting member 50 may also be configured with a Z-shaped bending structure, so that the projection of the end connected to the unlocking rod 11 in the extending direction of the guide mechanism 30 is closer to the starting end than the projection of the end connected to the drive rod 42 in the extending direction of the guide mechanism 30. This structure changes the structure of the connecting member 50 so that the projections of the end of the connecting member 50 connected to the unlocking mechanism 10 and the end of the connecting member 50 connected to the drive mechanism 40 in the extending direction of the guide mechanism 30 do not overlap, making it easier to misalign the connection point of the unlocking mechanism 10 and the connection point of the drive mechanism 40 through the connecting member 50, so that the unlocking mechanism 10 and the guide mechanism 30 do not need to be arranged entirely in the driving stroke direction of the drive mechanism 40, and the two can partially overlap, further reducing the overall length of the guide mechanism and the drive mechanism 40, and making the structure more compact.

[0094] Although the above describes specific embodiments of the present invention, it should be understood by those skilled in the art that these are merely illustrative and that various changes or modifications may be made to these embodiments without departing from the principles and essence of the present invention. Therefore, the scope of protection of the present invention is defined by the appended claims.

Claims

1. A battery swapping device, the battery swapping device includes an unlocking mechanism for unlocking a locking mechanism of a battery pack, the locking mechanism includes a locking base having a locking groove for accommodating a locking shaft on a side wall of the battery pack and a locking tongue movably arranged to open or close the locking groove, one end of the locking tongue is rotatably connected to the locking base and the other end is connected to a locking link located above the locking base through an elastic member, the locking link has a protruding portion extending downward, and is characterized in that, The unlocking mechanism is movably arranged along the extending direction of the lock groove. The upper end of the unlocking mechanism has an unlocking inclined surface corresponding to the side surface of the protruding portion. During the horizontal movement of the unlocking mechanism, the unlocking inclined surface contacts the protruding portion and further pushes against the protruding portion, causing the protruding portion to slide relative to the unlocking inclined surface until the lock tongue is driven to bounce open and the lock groove is opened.

2. The battery swapping device according to claim 1, wherein, The unlocking mechanism is an unlocking rod with a rigid structure, and the unlocking rod is arranged not lower than the highest position of the protruding portion.

3. The battery swapping device according to claim 2, wherein The unlocking inclined surface is provided at the upper end of the side surface of the unlocking rod facing the protruding portion, and the unlocking inclined surface is inclined towards the protruding portion direction and the lower part of the protruding portion.

4. The battery swapping device according to any one of claims 1-3, characterized in that, Guide arc surfaces are respectively formed at both ends of the unlocking inclined surface; and / or, guide arc surfaces are provided at the end corners of the protruding portion facing the unlocking inclined surface.

5. The battery swapping device according to claim 2 or 3, characterized in that, A locking surface is provided on the other side of the unlocking rod opposite to the unlocking inclined surface; The locking surface is used to contact the protruding portion during the reverse movement of the unlocking mechanism, thereby driving the lock tongue to fall into the lock groove.

6. The battery swapping device according to claim 5, wherein, The locking surface extends in the vertical direction, and / or, the top end corners of the locking surface have guide arc surfaces.

7. The battery swapping device according to any one of claims 2, 3, 5, and 6, characterized in that, The unlocking mechanism further includes a mounting seat, and the unlocking rod is arranged on the mounting seat; the battery swapping device further includes a guiding mechanism, the guiding mechanism includes a guide rail, the guide rail extends along the extending direction of the lock groove, a slider is arranged on the mounting seat, and the slider is clamped on the guide rail.

8. The battery swapping device according to any one of claims 1-7, characterized in that, A rolling part is further arranged on the unlocking inclined surface, the rolling part includes a rolling element and a sliding seat, the rolling element is rotatably arranged in the sliding seat, the unlocking mechanism contacts the protruding portion through the rolling element, and the rolling element can rotate towards the direction of the relative movement of the unlocking mechanism and the locking mechanism.

9. The battery swapping device according to claim 8, wherein, The rolling element is a ball, the sliding seat has a containing cavity, one side of the containing cavity facing outwards includes a through hole, the diameter of the through hole is smaller than the diameter of the ball, the ball is arranged in the containing cavity, and a part of the ball exposes from the through hole out of the sliding seat; Preferably, the sliding seat is provided with an external thread, a corresponding threaded hole is provided on the unlocking inclined surface, and the sliding seat is arranged in the threaded hole.

10. A battery swapping station, characterized in that, It includes the battery swapping device according to any one of claims 1 to 9.

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