Locking mechanism, battery and vehicle

Abstract

The utility model discloses a locking mechanism of a battery, the battery and a vehicle. The locking mechanism of the battery comprises a base, a locking assembly, a first limiting structure and a second limiting structure, the locking assembly comprises a first locking piece and a second locking piece, the first locking piece is movably arranged on the base in the axial direction of the first locking piece, the second locking piece is connected to one end, in the axial direction, of the first locking piece, and the second locking piece is configured to lock the first locking piece to a target component or unlock locking of the first locking piece and the target component through rotation; one of the first limiting structure and the second limiting structure is arranged on the base, the other of the first limiting structure and the second limiting structure is arranged on the first locking piece, and the first limiting structure and the second limiting structure are matched and used for limiting the rotating angle of the first locking piece relative to the base. According to the locking mechanism, the structure can be simplified, and the practicability is improved.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to a locking mechanism, a battery and a vehicle. Background Art

[0002] With the development of new energy technology, batteries are used more and more widely, for example, in mobile phones, laptops, electric vehicles, electric cars, electric airplanes, electric ships, electric toy cars, electric toy ships, electric toy airplanes and electric tools, etc.

[0003] The development of battery technology must take into account many design factors at the same time. For example, in the process of connecting and locking the battery to the electrical device, how to simplify the structure of the locking part and improve the practicality of the locking part is an important research direction in the battery field. Utility Model Content

[0004] The present application provides a battery locking mechanism, a battery and a vehicle, which can simplify the structure and improve the practicality.

[0005] In the first aspect, the present application provides a locking mechanism, including a base, a locking assembly, a first limiting structure and a second limiting structure; the locking assembly includes a first locking member and a second locking member, the first locking member is movably arranged on the base along its own axial direction, the second locking member is threadedly connected to one end of the first locking member along the axial direction, and the second locking member is configured to lock the first locking member to a target component or release the lock of the first locking member from the target component by rotation; one of the first limiting structure and the second limiting structure is arranged on the base, and the other is arranged on the first locking member, the first limiting structure and the second limiting structure cooperate and are used to limit the rotation angle of the first locking member relative to the base.

[0006] In the technical solution of the embodiment of the present application, the rotation angle of the first locking member in the circumferential direction can be limited by the cooperation of the first limiting structure and the second limiting structure. At the same time, a threaded connection is adopted between the first locking member and the second locking member. By setting a limiting structure, the first locking member can conveniently switch between rotation and linear motion.

[0007] According to some embodiments of the present application, the first limiting structure includes a limiting pin, the second limiting structure includes a limiting groove, the limiting groove at least partially extends along the circumference of the first locking member, and at least partially the limiting pin is disposed in the limiting groove and can slide along the limiting groove. The movement direction of the first locking member relative to the base can be simply and reliably adjusted by the cooperation between the limiting pin and the limiting groove.

[0008] According to some embodiments of the present application, the limiting groove includes a first sub-groove and a second sub-groove that are interconnected, the first sub-groove spirally extending in the circumferential direction of the base, and the second sub-groove extending in the axial direction. The first sub-groove can limit the rotation angle range of the first locking member in the circumferential direction, and the second sub-groove stops the first locking member from rotating and moving in the axial direction.

[0009] According to some embodiments of the present application, in the width direction of the limiting groove, the spacing between the side wall of the limiting groove and the limiting pin is less than or equal to 0.5 mm, so that the diameter of the limiting pin is close to the width of the limiting groove, thereby stabilizing the guide.

[0010] According to some embodiments of the present application, the first limiting structure is detachably connected to the first locking member, and the second limiting structure is disposed on the base; or the first limiting structure is detachably connected to the base, and the second limiting structure is disposed on the first locking member. The limiting structure is detachably connected to the base or the first locking member, so that it is easy to process.

[0011] According to some embodiments of the present application, the first limiting structure includes a limiting pin, and the second limiting structure includes a limiting groove; the limiting groove is provided on the base; the outer peripheral surface of the first locking member is provided with a first mounting hole, the limiting pin is inserted into the first mounting hole, and a part of the limiting pin protrudes from the first locking member in the radial direction. The limiting pin can be provided on the first locking member, and cooperates with the limiting groove through the protruding end in the radial direction.

[0012] According to some embodiments of the present application, the limiting pin is interference-fitted with the first mounting hole. The interference-fit connection is simple and has good reliability.

[0013] According to some embodiments of the present application, in the radial direction, the limit pins protrude from the first locking member on two opposite sides, and the base is provided with two limit slots, and the two protruding ends of the limit pins are respectively matched with the two limit slots. The two sets of limit pins and limit slots opposite to each other in the radial direction cooperate with each other, so that the guidance of the first locking member is more stable.

[0014] According to some embodiments of the present application, the first limiting structure includes a limiting pin, and the second limiting structure includes a limiting groove; the base has a receiving cavity, and the locking assembly is at least partially disposed in the receiving cavity; the limiting pin is disposed on the side wall of the receiving cavity, and the limiting groove is disposed on the outer peripheral surface of the first locking member. The limiting pin can also be disposed on the base to facilitate processing of the first locking member and maintain good structural strength.

[0015] According to some embodiments of the present application, the side wall of the accommodating cavity is provided with a second mounting hole which penetrates through, and the limiting pin is inserted into the second mounting hole and protrudes from the side wall of the accommodating cavity. The limiting hole is inserted into the second mounting hole of the base, making it easy to process and connect.

[0016] According to some embodiments of the present application, the locking mechanism includes a plurality of limit pins and a plurality of limit slots, and the limit pins and the limit slots are arranged one by one. The plurality of groups of limit pins and limit slots work together to stabilize the guide.

[0017] According to some embodiments of the present application, the first locking member includes a guide section and a connecting section arranged along the axial direction, the limiting groove is arranged in the guide section, and the connecting section is used to be connected to the second locking member; the diameter of the guide section is larger than the diameter of the connecting section. The diameter of the first locking member is increased in the area where the limiting groove is arranged, thereby enabling it to maintain good structural strength.

[0018] According to some embodiments of the present application, the locking mechanism includes a plurality of first limiting structures and a plurality of second limiting structures, and the first limiting structures and the second limiting structures are arranged one by one; the first limiting structures and the second limiting structures are arranged centrally symmetrically with respect to the central axis of the first locking member. The centrally symmetrical arrangement of each group of limiting structures further ensures a smooth guidance of the first locking member.

[0019] According to some embodiments of the present application, the locking mechanism further includes an anti-rotation assembly, which includes an anti-rotation member, an elastic member, and a stopper. The anti-rotation member is sleeved on the second locking member and movably connected to the second locking member in the axial direction. The elastic member is axially sandwiched between the second locking member and the anti-rotation member or between the base and the anti-rotation member. The stopper is fixed to the base and is located on the side of the anti-rotation member away from the elastic member. The anti-rotation member and the stopper are provided with meshing teeth on one side close to each other, and can switch between a disengaged state and a locked state by relative movement in the axial direction. The provision of the meshing teeth makes the locking between the anti-rotation member and the stopper stable and reliable.

[0020] According to some embodiments of the present application, the first locking member includes a locking rod and a pressure head, the pressure head is connected to one end of the locking rod in the axial direction and is located outside the base, and the end of the locking rod away from the pressure head is accommodated in the base and connected to the second locking member; the outer peripheral surface of the pressure head includes a first surface and a second surface, and in the radial direction of the first locking member, the distance between the first surface and the locking rod is greater than the distance between the second surface and the locking rod. By providing a pressure head that at least partially protrudes in the radial direction, the first locking member can pass through the connection hole of the member to be connected, and then be pressed against the surface around the connection hole by rotating a preset angle.

[0021] In a second aspect, according to an embodiment of the present application, a battery is provided, comprising a box, a battery cell, and a locking mechanism in any embodiment of the first aspect, wherein a plurality of battery cells are arranged in the box, and a base in the locking mechanism is connected to the box. The locking mechanism is arranged in the battery box and can connect the box to other external components, thereby reducing the space required for the connection.

[0022] According to some embodiments of the present application, the battery includes a box, a plurality of battery cells and a locking mechanism, the battery cells are arranged in the box, the box is provided with a mounting hole, and the base is passed through the mounting hole. The locking mechanism is connected to the box through the base, so that the member to be connected is clamped between the first locking member and the base.

[0023] In a third aspect, according to an embodiment of the present application, a vehicle is provided, comprising a vehicle body and a battery in any embodiment of the second aspect, wherein the vehicle body comprises a fixing member, the battery is located at the lower side of the vehicle body, the first locking member is locked to the fixing member, and the battery is used to provide electrical energy. The locking mechanism is provided to reduce the space required for the connection.

[0024] According to some embodiments of the present application, the first locking member includes a locking rod and a pressure head, the pressure head is connected to one end of the locking rod along the axial direction and is located outside the base; the fixing member is provided with a fixing hole, and the pressure head is configured to be able to pass through the fixing hole; in the first direction, the size of the pressure head is larger than the size of the fixing hole; in the second direction, the size of the pressure head is smaller than the size of the fixing hole, and the first direction, the second direction and the axial direction are perpendicular to each other; in the axial direction, a part of the fixing member is clamped between the pressure head and the base. The pressure head can be transmitted from the hole, and then crimped to the area around the hole through rotation and axial displacement, so that it is easy to connect and fix. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present application. Moreover, the same reference numerals are used throughout the drawings to represent the same components. In the drawings:

[0026] Figure 1 A simplified schematic diagram of a vehicle provided for some embodiments of the present application;

[0027] Figure 2 An exploded schematic diagram of a battery provided in some embodiments of the present application;

[0028] Figure 3 A schematic diagram of the structure of a locking mechanism provided in some embodiments of the present application;

[0029] Figure 4 for Figure 3 A cross-sectional view at AA' shown;

[0030] Figure 5 A schematic diagram of the structure of a first locking member provided in some embodiments of the present application;

[0031] Figure 6 for Figure 5 A cross-sectional view at BB' shown;

[0032] Figure 7 Schematic diagram of a partial structure of a locking mechanism provided in some embodiments of the present application

[0033] Figure 8 A schematic diagram of the structure of a first locking member provided in some other embodiments of the present application;

[0034] Fig. 9 for Figure 3 Another cross-sectional view at AA' shown;

[0035] Fig.10 A schematic diagram of a partial structure of a locking and unlocking mechanism provided in some embodiments of the present application;

[0036] Fig.11 for Fig.10 Cross-sectional view at CC' is shown.

[0037] Reference numerals:

[0038] 1000-Vehicles;

[0039] 100-locking mechanism; 200-battery; 300-controller; 400-motor; 500-fixing part; 600-locking and unlocking mechanism;

[0040] 10-base; 20-locking assembly; 30-anti-rotation assembly; 40-limiting pin; 50-limiting groove; 60-box; 70-battery monomer; 80-fixing hole;

[0041] 11-accommodating chamber; 21-first locking member; 22-second locking member; 31-anti-rotation member; 32-elastic member; 33-stop member; 51-first sub-slot; 52-second sub-slot; 61-first box body; 62-second box body; 63-accommodating portion; 64-mounting hole;

[0042] 111 - second mounting hole; 211 - locking rod; 212 - pressure head; 213 - first surface; 214 - second surface; 215 - first mounting hole; 216 - guide section; 217 - connection section;

[0043] X-axis direction; Y-first direction; Z-second direction. DETAILED DESCRIPTION

[0044] The following embodiments of the technical solution of the present application will be described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0045] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0046] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0047] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0048] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0049] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0050] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0051] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0052] In the present application, the term "parallel" includes not only the absolutely parallel situation, but also the roughly parallel situation conventionally recognized in engineering; meanwhile, "vertical" includes not only the absolutely vertical situation, but also the roughly vertical situation conventionally recognized in engineering.

[0053] In electrical devices such as vehicles, the battery is usually provided with a locking mechanism, which can be used to lock the battery in a preset position on the vehicle body. Usually, the locking assembly can switch the locked state and unlocked state between the locking assembly and the battery and the vehicle body by forward and reverse rotation. However, the structure of the locking assembly and unlocking in the locking mechanism is relatively complex, and it is not possible to switch between the locked state and the unlocked state conveniently.

[0054] In view of this, an embodiment of the present application provides a locking mechanism, which threadably connects a first locking member to a second locking member, and provides first and second limiting structures to limit the circumferential rotation angle of the first locking member, thereby enabling the first locking member to conveniently move axially and switch between a locked state and an unlocked state.

[0055] The locking mechanism disclosed in the embodiment of the present application can be used for batteries or vehicles but is not limited thereto, and can also be used for other electrical equipment, such as drones, battery vehicles, electric ships, etc. The locking mechanism can also be used for other devices or equipment that need to be locked to a target component.

[0056] The technical solutions described in the embodiments of the present application are applicable to batteries and electrical devices using batteries, such as mobile phones, portable devices, laptop computers, electric vehicles, electric cars, ships, spacecraft, electric toys and electric tools, etc., wherein spacecrafts include airplanes, rockets, space shuttles and spacecrafts, etc., electric toys include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys and electric airplane toys, etc., and electric tools include metal cutting power tools, grinding power tools, assembly power tools and railway power tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete vibrators and electric planers.

[0057] The battery described in the embodiments of the present application is not limited to being applicable to the electrical devices described above, but for the sake of simplicity, the following embodiments are all described using electric vehicles as examples.

[0058] See also Figure 1 , Figure 1 A simple schematic diagram of a vehicle provided for some embodiments of the present application. The vehicle 1000 may be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. A battery 200 may be provided inside the vehicle 1000, and specifically, for example, a battery 200 may be provided at the bottom, front or rear of the vehicle 1000. The battery 200 may be used to power the vehicle 1000, for example, the battery 200 may be used as an operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 300 and a motor 400, and the controller 300 is used, for example, to control the battery to power the motor 400. The battery 200 may be used for starting and navigating the vehicle 1000, and of course, the battery 200 may also be used to drive the vehicle 1000, replacing or partially replacing fuel or natural gas to provide drive for the vehicle 1000.

[0059] Figure 2 Schematic diagram of an explosion of a battery provided in some embodiments of the present application. Figure 2 As shown, the battery 200 includes a case 60 and a battery cell 70 , and the battery cell 70 is accommodated in the case 60 .

[0060] The box 60 is used to accommodate the battery cell 70, and the box 60 can be a variety of structures. In some embodiments, the box 60 may include a first box portion 61 and a second box portion 62, the first box portion 61 and the second box portion 62 cover each other, and the first box portion 61 and the second box portion 62 jointly define a receiving portion 63 for accommodating the battery cell 70. The second box portion 62 may be a hollow structure with one end open, the first box portion 61 is a plate-like structure, and the first box portion 61 covers the open side of the second box portion 62 to form a box 60 with a receiving portion 63; the first box portion 61 and the second box portion 62 may also be a hollow structure with one side open, and the open side of the first box portion 61 covers the open side of the second box portion 62 to form a box 60 with a receiving portion 63. Of course, the first box portion 61 and the second box portion 62 may be in a variety of shapes, such as a cylinder, a cuboid, etc.

[0061] In the battery 200, there can be one or more battery cells 70. If there are more than one battery cell 70, the battery cells 70 can be connected in series, in parallel, or in a mixed connection. A mixed connection means that the battery cells 70 are both connected in series and in parallel. The battery cells 70 can be directly connected in series, in parallel, or in a mixed connection, and then the whole formed by the battery cells 70 can be accommodated in the box 60; of course, the battery cells 70 can also be connected in series, in parallel, or in a mixed connection to form a battery module, and then the battery modules can be connected in series, in parallel, or in a mixed connection to form a whole, and then accommodated in the box 60.

[0062] Next, combine with Figure 3 To Attachment Fig.11 The structure of the locking mechanism 100 will be described.

[0063] Please also read Figure 3 to Figure 4 , Figure 3 A schematic diagram of the structure of a locking mechanism provided in some embodiments of the present application, Figure 4 for Figure 3 A cross-sectional view taken along line AA' is shown.

[0064] In the first aspect, the present application provides a locking mechanism 100, including a base 10, a locking assembly 20, a first limiting structure and a second limiting structure; the locking assembly 20 includes a first locking member 21 and a second locking member 22, the first locking member 21 is movably arranged on the base 10 along its own axial direction X, the second locking member 22 is threadedly connected to one end of the first locking member 21 along the axial direction X, and the second locking member 22 is configured to lock the first locking member 21 to a target component or release the lock of the first locking member 21 from the target component by rotation; one of the first limiting structure and the second limiting structure is arranged on the base 10, and the other is arranged on the first locking member 21, the first limiting structure and the second limiting structure cooperate and are used to limit the rotation angle of the first locking member 21 relative to the base 10.

[0065] The locking mechanism 100 can be applied to a battery, and further applied to detachably connect the battery with other external components. The locking mechanism 100 includes a base 10 for providing support and bearing, a locking assembly 20 for achieving compression locking, and first and second limiting structures for limiting the relative rotation angle of the first locking member 21 and the second locking member 22 in the locking assembly 20 in the circumferential direction.

[0066] Optionally, the base 10 may be cylindrical and at least partially surround the locking assembly 20 and the first and second limiting structures therein, so as to facilitate the locking assembly 20 to move along its own axial direction X. The base 10 may have an accommodating cavity 11, and through holes are respectively provided on two opposite sides of the accommodating cavity 11 along the axial direction X, the first locking member 21 may extend from one of the through holes, and the second locking member 22 may be at least partially exposed to the outside through the other through hole.

[0067] Optionally, the outer surface of the base 10 can be cylindrical or nearly cylindrical to facilitate installation. The base 10 can be an integrally formed structure or assembled from a plurality of independently formed parts. The base 10 can be made of metal or other high-strength materials. For example, the base 10 can be made of steel, aluminum alloy or other materials.

[0068] Optionally, the locking assembly 20 includes a first locking member 21 and a second locking member 22 which are threadedly connected to each other, wherein at least the first locking member 21 can move relative to the base 10 along the axial direction X, and the second locking member 22 can be optionally kept fixed in position relative to the base 10 in this direction, so as to facilitate the relative movement between the first locking member 21 and the base 10 through relative rotation between the first and second locking members.

[0069] Optionally, moving the first locking member 21 toward the base 10 can clamp the component to be connected between the first locking member 21 and the base 10, thereby achieving a state of being locked to the target component; moving the first locking member 21 away from the base 10 can release the lock from the target component.

[0070] Optionally, the second locking member 22 and the first locking member 21 may be connected by a thread, so that the second locking member 22 can adjust the relative position of the first locking member 21 and the base 10 in the axial direction X by rotating itself.

[0071] Optionally, one of the first limiting structure and the second limiting structure is provided on the first locking member 21, and the other is provided on the base 10, and the cooperation between the two can limit the relative movement between the first locking member 21 and the base 10 in its own circumferential direction, and then further limit the relative movement between the first locking member 21 and the second locking member 22 in the circumferential direction through the connection relationship between the base 10 and the second locking member 22. Exemplarily, the first locking member 21 can be limited in rotation under preset conditions or at a preset position, while the second locking member 22 can rotate freely.

[0072] Exemplarily, the first locking member 21 and the second locking member 22 can be optionally threadedly connected. By limiting the rotation angle of the first locking member 21, it can be restricted and kept fixed in the circumferential direction after rotating through a preset angle. The second locking member 22 can be rotated and the first and second locking members can be moved toward or away from each other in the axial direction X through the thread therebetween, thereby achieving locking and unlocking of the target component.

[0073] Providing limiting structures on the base 10 and the first locking member 21 respectively can conveniently and reliably control the relative rotational displacement between the two, and providing the limiting structure inside the locking mechanism 100 can save the space required for installing the locking mechanism 100.

[0074] In some optional embodiments, the first limiting structure includes a limiting pin 40, and the second limiting structure includes a limiting groove 50, wherein the limiting groove 50 at least partially extends along the circumference of the first locking member 21, and at least a portion of the limiting pin 40 is disposed in the limiting groove 50 and can slide along the limiting groove 50.

[0075] Optionally, the first and second limiting structures are arranged in the locking mechanism 100 to make it easier to process and use and convenient to assemble and disassemble. Specifically, the first and second limiting structures can be a limiting pin 40 and a limiting groove 50, one of which is arranged on the base 10 and the other is arranged on the first locking member 21, and are used to guide the relative position change between the first locking member 21 and the base 10 by extending the end of the limiting pin 40 into the limiting groove 50.

[0076] Optionally, the specific rotation range of the first locking member 21 in the circumferential direction can be adjusted accordingly by adjusting the angle over which the limiting groove 50 extends in the circumferential direction.

[0077] By cooperating with the limit pin 40 and the limit groove 50, the circumferential movable range of the first locking member 21 can be fixed, and the first locking member 21 and the second locking member 22 can be conveniently and reliably displaced relative to each other through structures such as threads, and the moving direction of the first locking member 21 can be conveniently adjusted by adjusting the extension direction of the limit groove 50.

[0078] Please also read Figures 5 to 7 , Figure 5 A schematic diagram of the structure of a first locking member provided in some embodiments of the present application, Figure 6 for Figure 5 The cross-sectional view at BB' is shown. Figure 7 A schematic diagram of the partial structure of the locking mechanism provided in some embodiments of the present application.

[0079] In some optional embodiments, the limiting groove 50 includes a first sub-groove 51 and a second sub-groove 52 that are interconnected, the first sub-groove 51 extends spirally in the circumferential direction of the base 10, and the second sub-groove 52 extends along the axial direction X.

[0080] The limiting groove 50 in the locking mechanism 100 is used to guide the movement of the first locking member 21. Optionally, the limiting groove 50 may include two parts, namely, a first sub-groove 51 for guiding the first locking member 21 to rotate in the circumferential direction and a second sub-groove 52 for limiting the circumferential rotation so that the first locking member 21 can only move along the axial direction X.

[0081] Optionally, the first sub-groove 51 can extend along an oblique spiral, that is, the first sub-groove 51 has a certain extension dimension in the circumferential direction of the first locking member 21, and at the same time, also has a certain extension dimension in the axial direction X, so that when the limit pin 40 is located in the first sub-groove 51, the first locking member 21 can move a certain dimension in the axial direction X while rotating.

[0082] Optionally, the second sub-groove 52 extends along the axial direction X, and can prevent the first locking member 21 from rotating and move in the axial direction X, so as to lock or unlock the target component.

[0083] Optionally, the first sub-groove 51 and the second sub-groove 52 may have the same width and depth, and may be interconnected and extend smoothly.

[0084] Optionally, in an embodiment where the limit groove 50 is arranged on the base 10, the first sub-groove 51 can be arranged on the side of the second sub-groove 52 away from the stop member 33; in an embodiment where the limit groove 50 is arranged on the first locking member 21, the first sub-groove 51 can be arranged on the side of the second sub-groove 52 close to the stop member 33. The limit grooves 50 in the two embodiments can be arranged nearly to be centrally symmetrical.

[0085] The first locking member 21 can be moved along a preset track by adjusting the extension direction of the limiting groove 50 , and the first locking member 21 can conveniently apply a pressing force along the axial direction X on the target component by rotating the second locking member 22 .

[0086] In some optional embodiments, in the width direction of the limiting groove 50 , the distance between the side wall of the limiting groove 50 and the limiting pin 40 is less than or equal to 0.5 mm.

[0087] Optionally, the limiting pin 40 as a whole may be a cylinder or a cuboid, etc., which are easy to process and can slide stably.

[0088] Optionally, the partial section of the limit pin 40 connected to the base 10 or the first locking member 21 and the partial section extending into the limit slot 50 may have different diameters, wherein the diameter of the partial section cooperating with the limit slot 50 may be close to and slightly smaller than the width of the limit slot 50.

[0089] Exemplarily, in the width direction of the limit groove 50, the spacing between the side wall of the limit groove 50 and the limit pin 40 can be less than or equal to 0.5 mm, that is, the difference between the width of the limit groove 50 and the diameter of the partial section of the limit pin 40 extending into the groove can be less than or equal to 0.5 mm, and can be further optionally 0.1 mm-0.5 mm, for example, one of 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm or any two thereof.

[0090] By limiting the difference between the width of the limiting groove 50 and the diameter of at least a portion of the limiting pin 40 , the limiting pin 40 can slide smoothly and stably while reducing the space required for the limiting groove 50 and making it easier to process.

[0091] In some optional embodiments, the first limiting structure is detachably connected to the first locking member 21 , and the second limiting structure is disposed on the base 10 ; or, the first limiting structure is detachably connected to the base 10 , and the second limiting structure is disposed on the first locking member 21 .

[0092] The first limiting structure in the locking mechanism 100 may be a limiting pin 40 , and the limiting pin 40 may be detachably connected to the base 10 or the first locking member 21 .

[0093] Exemplarily, a corresponding mounting structure, such as a mounting hole, a clamping portion, etc., may be provided on the base 10 or the first locking member 21, and the limiting pin 40 is detachably connected to the mounting structure.

[0094] Optionally, a plurality of limit pins 40 may be provided in the locking mechanism 100 , and the limit pins 40 may be detachably connected to the first locking member 21 and the base 10 , respectively.

[0095] The detachable connection between the limiting pin 40 and the base 10 or the first locking member 21 in the limiting structure can facilitate separate processing and molding, thereby eliminating part of the cutting process, thereby improving the processing efficiency of the locking mechanism 100.

[0096] In some optional embodiments, the first limiting structure includes a limiting pin 40, and the second limiting structure includes a limiting groove 50; the limiting groove 50 is arranged on the base 10; the outer peripheral surface of the first locking member 21 is provided with a first mounting hole 215, and the limiting pin 40 is inserted into the first mounting hole 215, and a part of the limiting pin 40 protrudes from the first locking member 21 along the radial direction of the first locking member 21.

[0097] Optionally, the limiting pin 40 is disposed on the first locking member 21 and connected through a first mounting hole 215 provided on the first locking member 21 .

[0098] Optionally, the first mounting hole 215 extends in the radial direction.

[0099] In an embodiment where the locking mechanism 100 includes a limit pin 40, the first mounting hole 215 can be a through hole passing through the central axis of the first locking member 21. In an embodiment where the locking mechanism 100 includes multiple limit pins 40, the first locking member 21 can be optionally provided with multiple first mounting holes 215 arranged opposite to each other in the radial direction.

[0100] Optionally, the limit pin 40 partially protrudes from the first locking member 21 and can cooperate with the limit slot 50 through the protruding end. The protruding size can be designed according to the depth of the first mounting hole 215 and the length of the limit pin 40, and matched with the depth of the limit slot 50, so that it extends into the limit slot 50 and can be optionally spaced apart from the bottom wall of the limit slot 50 to reduce wear and increase service life.

[0101] In some optional embodiments, the limiting pin 40 is interference fit with the first mounting hole 215 .

[0102] Optionally, the limiting pin 40 is connected to the first mounting hole 215 by interference fit, so that it is easy to install and does not need to set up an additional connecting structure. At the same time, the interference fit has good connection reliability.

[0103] Optionally, the partial section of the limit pin 40 used for connection and the partial section used for cooperating with the limit groove 50 can have different diameters, wherein the diameter of the partial section used for connection can match the diameter of the first mounting hole 215 so that the two are interference connected, and the diameter of the partial section used to extend into the limit groove 50 can match the width of the limit groove 50 so that the limit pin 40 can slide stably in the groove.

[0104] In some optional embodiments, in the radial direction, the limit pin 40 is protruded from the first locking member 21 on two opposite sides, and the base 10 is provided with two limit grooves 50, and the protruding ends of the limit pin 40 respectively cooperate with the two limit grooves 50.

[0105] The limiting pin 40 may have protruding ends on two radially opposite sides respectively. Optionally, the first locking member 21 may be provided with two first mounting holes 215 that are recessed toward each other in the radial direction, or the first locking member 21 may be provided with a first mounting hole 215 that penetrates in the radial direction.

[0106] Optionally, in an embodiment in which two opposite first mounting holes 215 are provided, the same limit pins 40 can be respectively provided in the two first mounting holes 215; in an embodiment in which one first mounting hole 215 is provided, a limit pin 40 having a length greater than the diameter of the first locking member 21 can be provided and both ends of the limit pin 40 can be protruded so as to have good structural strength, or two limit pins 40 can be provided and the surfaces close to each other can be abutted against each other for easy installation.

[0107] By making the two groups of limiting pins 40 and limiting grooves 50 opposite to each other in the radial direction cooperate with each other, a force can be applied to the first locking member 21 from both sides, thereby making the guidance of the first locking member 21 more stable and reliable.

[0108] See also Figure 8 , Figure 8Schematic diagram of the structure of the first locking member provided for other embodiments of the present application. In some optional embodiments, the first limiting structure includes a limiting pin 40, and the second limiting structure includes a limiting groove 50; the base 10 has a receiving cavity 11, and the locking assembly 20 is at least partially disposed in the receiving cavity 11; the limiting pin 40 is disposed on the side wall of the receiving cavity 11, and the limiting groove 50 is disposed on the outer peripheral surface of the first locking member 21.

[0109] Optionally, the limiting pin 40 may be provided on the base 10, and the limiting groove 50 may be provided on the outer peripheral surface of the first locking member 21. The limiting pin 40 and the base 10 may be detachably connected.

[0110] Optionally, the limit groove 50 is arranged on the first locking member 21 and is radially recessed by the outer peripheral surface of the first locking member 21. Similar to setting the limit groove 50 on the base 10, the limit groove 50 may include two sub-grooves connected to each other, and the relative position between the two sub-grooves is adjusted according to the preset moving trajectory of the first locking member 21.

[0111] Optionally, the base 10 may be enclosed to form a receiving cavity 11, and the receiving cavity 11 accommodates at least part of the locking assembly 20 and the first and second limiting structures. The limiting pin 40 is protruded from the side wall of the receiving cavity 11 along the radial direction of the first locking member 21 in a direction close to the first locking member 21. The limiting pin 40 may be a protrusion integrally provided with the base 10, or the limiting pin 40 may be independently provided with the base 10 and detachably connected.

[0112] The limit pin 40 in the locking mechanism 100 can also be arranged on the base 10 to save the process of setting a mounting hole on the first locking member 21 with a relatively small diameter, thereby further facilitating the processing of the first locking member 21 and maintaining good structural strength.

[0113] In some optional embodiments, a second mounting hole 111 is provided on the side wall of the accommodating cavity 11 , and the limiting pin 40 is inserted into the second mounting hole 111 and protrudes from the side wall of the accommodating cavity 11 .

[0114] Similar to the setting of the aforementioned first mounting hole 215, the limit pin 40 can be connected to the base 10 through the second mounting hole 111. The opening of the second mounting hole 111 is set on the side wall of the accommodating cavity 11 and is recessed in the direction away from the first locking member 21. The limit pin 40 is inserted into the second mounting hole 111.

[0115] Optionally, the limiting pin 40 is interference fit with the second mounting hole 111, and the second mounting hole 111 may be recessed in the radial direction. The base 10 may be provided with a plurality of second mounting holes 111, which may have the same size and be arranged opposite to each other in the radial direction.

[0116] The limiting pin 40 can be inserted into the second mounting hole 111 of the base 10 , so that both can be easily processed and assembled and disassembled.

[0117] In some optional embodiments, the locking mechanism 100 includes a plurality of limit pins 40 and a plurality of limit slots 50 , and the limit pins 40 and the limit slots 50 are arranged in a one-to-one correspondence.

[0118] Optionally, multiple sets of first and second limiting structures that cooperate with each other can be simultaneously provided in the locking mechanism 100, that is, multiple sets of limiting pins 40 and limiting grooves 50 are provided, wherein the lower inner pins 40 and the limiting grooves 50 can be optionally arranged in a one-to-one correspondence and distributed in the circumferential direction of the first locking member 21.

[0119] Optionally, each limiting pin 40 may have the same shape and size, and each limiting slot 50 may have the same width and extension track.

[0120] By providing a plurality of groups of limiting pins 40 and limiting grooves 50 to work together, the guiding effect on the first locking member 21 can be further made stable and reliable.

[0121] In some optional embodiments, the first locking member 21 includes a guide section 216 and a connecting section 217 arranged along the axial direction, the limiting groove 50 is arranged in the guide section 216, and the connecting section 217 is used to be connected to the second locking member 22; the diameter of the guide section 216 is larger than the diameter of the connecting section 217.

[0122] Optionally, in an embodiment where the limiting groove 50 is provided in the second locking member 22, the partial section where the limiting groove 50 is provided can have a larger diameter so that the second locking member 22 as a whole still has good structural strength after the groove body is provided.

[0123] Optionally, the diameters of the guide section 216 are the same at all locations, and the diameter of the guide section 216 may be close to the sum of the diameter of the connection section 217 and the depth of the limiting groove 50 .

[0124] Optionally, the extension dimension of the guide section 216 in the axial direction X is slightly larger than the extension dimension of the limiting groove 50 in this direction, and the limiting groove 50 is entirely disposed in the guide section 216.

[0125] The diameter of the first locking member is increased in the region where the limiting groove is provided, thereby enabling the first locking member to maintain good structural strength.

[0126] In some optional embodiments, the locking mechanism 100 includes multiple first limiting structures and multiple second limiting structures, and the first limiting structures and the second limiting structures are arranged in a one-to-one correspondence; the first limiting structure and the second limiting structure are arranged in a central symmetrical manner relative to the central axis of the first locking member 21.

[0127] Optionally, the locking mechanism 100 can be provided with multiple first and second limiting structures at the same time, that is, multiple limiting pins 40 and limiting grooves 50 can be provided at the same time. The limiting pins 40 and limiting grooves 50 can be arranged one by one and are centrally symmetrical about the central axis of the first locking member 21, so that the first locking member 21 is subjected to uniform force during the guiding process, thereby reducing the possibility of tilting or being subjected to radial torsional force.

[0128] Optionally, each limiting pin 40 may have the same shape and size, and each limiting groove 50 may have the same width and extend in parallel in the circumferential direction, so that the locking mechanism 100 is easy to process.

[0129] Optionally, the limiting pin 40 and the limiting groove 50 may be arranged in one-to-one correspondence to further make the guidance of the first locking member 21 smooth and stable.

[0130] In some optional embodiments, the locking mechanism also includes an anti-rotation component 30, which includes an anti-rotation part 31, an elastic part 32 and a stop part 33. The anti-rotation part 31 is sleeved on the second locking part 22 and is movably connected to the second locking part 22 along the axial direction X. The elastic part 32 is clamped between the second locking part 22 and the anti-rotation part 31 or between the base 10 and the anti-rotation part 31 in the axial direction X. The stop part 33 is fixed to the base 10 and is located on the side of the anti-rotation part 31 away from the elastic part 32. The anti-rotation part 31 and the stop part 33 are provided with meshing teeth on the side close to each other, and can switch between a disengaged state and a locked state through relative movement in the axial direction X.

[0131] Optionally, the locking mechanism 100 also includes an anti-rotation component 30, which may include an anti-rotation component 31 connected to the second locking component 22 and capable of synchronously rotating in the circumferential direction, a stop component 33 connected to the base 10 and synchronously stationary in the circumferential direction, and an elastic component 32 for pressing the anti-rotation component 31 against the stop component 33.

[0132] Optionally, the anti-rotation member 31 can be sleeved on the second locking member 22, the second locking member 22 can be set to a polygonal shape, and the anti-rotation member 31 has a through hole of a corresponding shape, so that the two can rotate synchronously. Alternatively, one of the second locking member 22 and the anti-rotation member 31 can be provided with a protruding portion protruding in the radial direction, and the other can be provided with a concave portion recessed in the radial direction, so that the protruding portion at least partially extends into the concave portion, so that the two can rotate synchronously.

[0133] Optionally, the stopper 33 is connected to the inner side of the base 10 and keeps synchronization with the base 10 in the circumferential direction. When any component in the locking assembly 20 rotates, the stopper 33 and the base 10 can keep synchronous and stationary. Similar to the setting of the anti-rotation member 31, the stopper 33 can achieve synchronization in the circumferential direction by setting a protrusion / recess or setting it in a polygonal structure. Alternatively, the stopper 33 can be fixedly connected to the base 10 to achieve synchronization.

[0134] Optionally, the elastic member 32 is arranged on the side of the anti-rotation member 31 away from the stop member 33, and is used to press the anti-rotation member 31 against the stop member 33 in the axial direction X. The elastic member 32 extends as a whole along the axial direction X and can be compressed or expanded in this direction. One end of the elastic member 32 abuts against the surface of the side of the anti-rotation member 31 away from the stop member 33, and the other end opposite can abut against the base 10 or the second locking member 22, so that it can exert a force along the axial direction X on the anti-rotation member 31 through its own compression, so that the anti-rotation member 31 and the stop member 33 are coupled to each other, and through this coupling relationship, the second locking member 22 is synchronized with the base 10 in the circumferential direction and is stationary, preventing the second locking member 22 from rotating.

[0135] Optionally, the elastic member 32 may be a spring and is sleeved on the second locking member 22 .

[0136] The anti-rotation assembly 30 is disposed between the second locking member 22 and the base 10, and can fix the relative position of the second locking member 22 to the base 10 in the circumferential direction, that is, lock the second locking member 22 so that it cannot rotate, thereby fixing the position of the first locking member 21 in the axial direction X, that is, the first locking member 21 can stably stay in a locked state or an unlocked state. The anti-rotation assembly 30 can be optionally disposed at least partially around the second locking member 22.

[0137] The first locking member 21 in the locking mechanism 100 can move relative to the base 10 along the axial direction X. In the locked state, the overlapping length of the first locking member 21 and the base 10 is greater than the overlapping length of the two in the unlocked state. Optionally, at least in the locked state, the distribution area of ​​the first locking member 21 in the axial direction X overlaps with the distribution area of ​​the anti-rotation assembly 30 in the axial direction X. Optionally, there is still an overlapping area in the unlocked state.

[0138] The anti-rotation component 30 in the present application is arranged on a side of the locking component 20 close to the second locking member 22, and the overlapping area between the first locking member 21 and the second locking member 22 in the axial direction X is adjustable. By making the first locking member 21 have a distribution area overlapping with the anti-rotation component 30 in the axial direction X, that is, the first locking member 21 and the anti-rotation component 30 at least partially share the space in the axial direction X, the overall structural compactness of the locking mechanism 100 can be effectively improved, and the space required for setting the locking mechanism 100 can be reduced, making it easy to load and unload.

[0139] On the basis that the anti-rotation member 31 and the stop member 33 can be coupled to each other, both of them can be provided with meshing teeth, and the meshing teeth respectively provided on the two can mesh with each other and realize connection and fixation in the circumferential direction.

[0140] Optionally, the meshing surface between the anti-rotation component 31 and the stopper 33 may be a plane perpendicular to the axial direction X, or the meshing surface may be a funnel-shaped curved surface having a certain angle with the axial direction X.

[0141] Arranging the anti-rotation member 31 and the stop member 33 to be connected through tooth engagement can make the locking between the anti-rotation member 31 and the stop member 33 stable and reliable, and after the anti-rotation member 31 rotates with the second locking member 22, the anti-rotation member 31 can still smoothly engage and position with the stop member 33, eliminating the step of finding the corresponding position for docking, thereby improving the reliability of the locking mechanism 100.

[0142] In some optional embodiments, the first locking member 21 includes a locking rod 211 and a pressure head 212, the pressure head 212 is connected to one end of the locking rod 211 along the axial direction X and is located on the outside of the base 10, and the end of the locking rod 211 away from the pressure head 212 is accommodated in the base 10 and connected to the second locking member 22; the outer peripheral surface of the pressure head 212 includes a first surface 213 and a second surface 214, and in the radial direction of the first locking member 21, the distance between the first surface 213 and the locking rod 211 is greater than the distance between the second surface 214 and the locking rod 211.

[0143] Optionally, the first locking member 21 includes a locking rod 211 and a pressing head 212 , wherein one end of the locking rod 211 is connected to the pressing head 212 , and the two can be welded or integrally arranged, and the other end of the locking rod 211 is connected to the second locking member 22 .

[0144] Optionally, the press head 212 has a first surface 213 that protrudes radially from the second surface 214, that is, at least a portion of the press head 212 protrudes radially from an adjacent area. In a cross section perpendicular to the axial direction X, the interface figure formed by the press head 212 can be rectangular, triangular, Y-shaped, elliptical, etc., so that after the press head 212 passes through the hole on the target component, it can be pressed against the surface of the target component by rotating the press head 212 to a certain angle.

[0145] Optionally, when setting the components such as the limit groove and the limit pin for limiting the rotation angle of the first locking member 21, the design can be made according to the shape of the pressure head 212. For example, the cross section of the pressure head 212 is rectangular, so it can be rotated 90°, and the cross section of the pressure head 212 is an equilateral triangle, so it can be rotated 60°. By setting the rotation angle accordingly, the pressing area between the pressure head 212 and the external component can be increased, making the connection more stable.

[0146] Optionally, the pressing head 212 may be in the form of a cuboid to facilitate processing, and the cuboid can have a larger pressing area after being rotated 90°.

[0147] Optionally, a sealing groove and a sealing ring at least partially embedded in the sealing groove may be provided on one side surface of the base 10 facing the pressure head 212. The sealing groove may be annular and arranged around the locking rod 211. The sealing ring may be made of rubber and is used to prevent external dust and other impurities from entering the accommodating cavity formed by the base 10.

[0148] Optionally, the diameter of the sealing ring may be smaller than the maximum diameter of the pressure head 212 .

[0149] In the second aspect, according to an embodiment of the present application, a battery 200 is proposed, including a box body 60, a battery cell 70 and a locking mechanism 100 in any embodiment of the first aspect, wherein a plurality of battery cells 70 are arranged in the box body 60, and a base 10 in the locking mechanism 100 is connected to the box body 60.

[0150] In some embodiments, the battery 200 includes a plurality of battery cells 70 and a box 60 for accommodating and supporting the battery cells 70 . The box 60 is provided with a locking mechanism 100 for connecting the battery 200 to an external component.

[0151] Optionally, the base 10 in the locking mechanism 100 is connected to the box body 60 , and the target component can be clamped between the first locking member 21 and the base 10 through the first locking member 21 , thereby achieving connection with an external component.

[0152] Optionally, the locking mechanism 100 may be installed on the longitudinal beam and / or transverse beam of the box body 60 by threading, riveting, welding or other methods.

[0153] In some optional embodiments, the box body 60 is provided with a mounting hole 64 , and the base 10 is passed through the mounting hole 64 .

[0154] Optionally, the box body 60 has side beams extending along its edges, and the side beams may be provided with mounting holes 64 penetrating along the thickness direction. One or more mounting holes 64 may be provided at the same time, and these mounting holes 64 may be evenly spaced around the circumference of the box body 60 .

[0155] Optionally, the base 10 is passed through the mounting hole 64, and is detachably connected to the box body 60 through flanges or bolt holes, pin controls and other structures on the base 10, so that the locking mechanism 100 is connected and fixed to the box body 60, which facilitates the connection between the battery 200 and the external target component by clamping the external target component between the first locking member 21 and the base 10.

[0156] In the third aspect, according to an embodiment of the present application, a vehicle 1000 is provided, comprising a vehicle body and a battery 200 in any embodiment of the second aspect, the vehicle body comprising a fixing member 500, the battery 200 being located on the lower side of the vehicle body, the first locking member 21 being locked to the fixing member 500, and the battery 200 being used to provide electrical energy.

[0157] Optionally, the battery 200 may be applied to the vehicle 1000 and used to provide electrical energy for the vehicle 1000 , and the vehicle body includes a fixing member 500 , which may be a supporting beam of the vehicle body.

[0158] The battery 200 is detachably connected to the fixing member 500 via the locking mechanism 100, and at least a portion of the structure of the fixing member 500 is clamped between the first locking member 21 and the base 10. Optionally, a portion of the structure of the box body 60 may be abutted against the fixing member 500 and clamped between the first locking member 21 and the base 10 to ensure a stable connection.

[0159] The locking mechanism 100 is provided for connection, so that the space required for connection can be reduced, and the first locking member 21 can be inserted into a closed cavity having only a connection hole for connection, which has good applicability.

[0160] See also Fig. 9 , Fig. 9 for Figure 3 Another cross-sectional view at A-A' is shown. In some optional embodiments, the first locking member 21 includes a locking rod 211 and a pressing head 212, the pressing head 212 is connected to one end of the locking rod 211 along the axial direction X and is located outside the base 10; the fixing member 500 is provided with a fixing hole 80, and the pressing head 212 is configured to be able to pass through the fixing hole 80; in the first direction Y, the size of the pressing head 212 is larger than the size of the fixing hole 80; in the second direction Z, the size of the pressing head 212 is smaller than the size of the fixing hole 80, and the first direction Y, the second direction Z and the axial direction X are perpendicular to each other; in the axial direction X, a part of the fixing member 500 is clamped between the pressing head 212 and the base 10.

[0161] As mentioned above, the first locking member 21 may include a rod-shaped locking rod 211 extending along the axial direction X and a pressing head 212 connected to the locking rod 211 and protruding from the locking rod 211 in the radial direction.

[0162] When the locking mechanism 100 is connected to the fixing member 500, the angle of the pressing head 212 is adjusted so that the pressing head 212 and part of the locking rod 211 can pass through the fixing hole 80 of the fixing member 500. When locking, the first locking member 21 is rotated by a certain angle. After the rotation, its positive projection on the axial direction X can overlap with part of the area around the fixing hole 80.

[0163] Specifically, in the locked state, in the first direction Y, the size of the pressing head 212 can be made larger than the size of the fixing hole 80, and in the second direction Z, the size of the pressing head 212 can be made smaller than the fixing hole 80, so that the pressing head 212 can pass through the fixing hole 80 and can be rotated to have a certain size of clamping area between the pressing head 212 and the fixing member 500.

[0164] Taking the example that the pressing head 212 is a rectangular parallelepiped and the fixing hole 80 is a rectangular hole, the length of the pressing head 212 should be smaller than the length of the fixing hole 80, and the width of the pressing head 212 should be smaller than the width of the fixing hole 80, so that the pressing head 212 can pass through the fixing hole 80. At the same time, after rotating and locking, the pressing head 212 can be rotated 90°, and the length of the pressing head 212 can be greater than the width of the fixing hole 80, so that the two ends of the pressing head 212 can be pressed tightly on the fixing member 500.

[0165] The battery 200 and the vehicle 1000 provided in the embodiment of the present application have all the beneficial effects of the locking mechanism 100 in any of the embodiments of the first aspect mentioned above. For details, please refer to the specific description of the locking mechanism 100 in the above embodiments, and this embodiment will not be repeated here.

[0166] Please also read Figure 10 to Figure 11 , Fig.10 A partial structural diagram of a locking and unlocking mechanism provided in some embodiments of the present application, Fig.11 for Fig.10 Cross-sectional view at CC' is shown.

[0167] The vehicle 1000 includes a battery 200, and is locked and connected or unlocked and disassembled by a locking mechanism 100. Specifically, during the unlocking process, the vehicle 1000 can be moved to a battery swap station, the battery swap equipment of the battery swap station rises, and the locking and unlocking mechanism 600 in the battery swap equipment lifts the anti-rotation part 31 and engages with the second locking part 22, and the anti-rotation part 31 compresses the elastic part 32 and disengages from the stopper 33 along the axial direction X.

[0168] Subsequently, the unlocking mechanism 600 rotates the second locking member 22, and the first locking member 21 is driven to move by the rotation of the second locking member 22. The first locking member 21 can be optionally raised linearly first and then spirally raised, thereby releasing the lock between the first locking member 21 and the fixing member 500.

[0169] Finally, the unlocking mechanism 600 descends and disengages from the second locking member 22 and the anti-rotation member 31, and the battery 200 is removed from the chassis of the vehicle 1000. The battery exchange equipment transfers the battery 200 to the battery compartment and receives the fully charged battery.

[0170] Correspondingly, during the locking process, the battery 200 can be lifted by the battery replacement device, and the pressure head 212 can pass through the fixing hole 80 on the fixing member 500, and the locking and unlocking mechanism 600 lifts the anti-rotation member 31 and engages with the second locking member 22, and the anti-rotation member 31 compresses the elastic member 32 and disengages from the stop member 33;

[0171] Subsequently, the locking and unlocking mechanism 600 rotates the second locking member 22 and the second locking member 22 drives the first locking member 21 to move. Optionally, the locking member 21 is first rotated and then linearly descended along the axial direction X until the pressure head 212 is tightly pressed on the fixing 500.

[0172] Then, the battery exchange equipment descends, and the unlocking mechanism 600 disengages from the second locking member 22 and the anti-rotation member 31. The anti-rotation member 31 engages with the stop member 33 under the elastic force of the elastic member 32, thereby realizing the anti-rotation locking of the locking mechanism 100.

[0173] Optionally, the locking and unlocking mechanism 600 can be applied to a battery swap station that provides services for electric devices such as the vehicle 1000. The battery swap station can be used to replace the battery 41 of the electric device, for example, the battery 41 of the vehicle 4.

[0174] Optionally, the battery swap station may include a support platform, a battery compartment and a battery swap device. The support platform is used to support the vehicle. The battery compartment is used to store and charge the battery 200. The battery swap device is configured to be able to move between the support platform and the battery compartment. The battery swap device may include the aforementioned locking and unlocking mechanism 600 and is used to replace the battery 200 of the vehicle 1000.

[0175] Exemplarily, the battery swap station may replace the battery 200 according to the following steps:

[0176] Ⅰ) After the vehicle 1000 enters the support platform, the battery exchange device can be moved to the lower side of the vehicle 1000, the unlocking mechanism 600 releases the lock between the first locking member 21 and the fixing member 500, and the battery 200 is removed from the vehicle body;

[0177] II) The battery exchange device transfers the removed battery 200 to be charged to the battery compartment for charging, and receives the fully charged battery 200 stored in the battery compartment;

[0178] III) The battery exchange device moves with the fully charged battery 200 to the lower side of the vehicle 1000, and the unlocking mechanism 600 locks the first locking member 21 in the fully charged battery 200 to the fixing member 500 of the vehicle body, so as to install the fully charged battery 200 on the vehicle 1000;

[0179] IV) The vehicle 1000 leaves the supporting platform.

[0180] Optionally, a stacker is provided in the battery compartment, and the stacker is used to transfer the batteries 200 to be charged that are removed from the battery swapping device to the charging position of the battery compartment for charging, and to place the fully charged batteries 200 stored in the battery compartment on the battery swapping device.

[0181] In some embodiments, the support platform includes a lifting mechanism, which is used to lift the vehicle 1000 to facilitate moving the battery exchange equipment to the lower side of the vehicle 1000.

[0182] The embodiment of the present application provides a locking mechanism 100, including a base 10, a locking assembly 20, a first limiting structure, a second limiting structure and an anti-rotation assembly 30, wherein the locking assembly 20 includes a first locking member 21 and a second locking member 22, wherein the first locking member 21 is movably arranged on the base 10 along its own axial direction X, and the second locking member 22 is connected to one end of the first locking member 21 along the axial direction X, and the second locking member 22 is configured to lock the first locking member 21 to a target component or release the lock of the first locking member 21 from the target component by rotation; one of the first limiting structure and the second limiting structure is arranged on the base 10, and the other is arranged on the first locking member 21, and the first limiting structure and the second limiting structure cooperate and are used to limit the rotation angle of the first locking member 21 relative to the base 10.

[0183] The first limiting structure includes a limiting pin 40, and the second limiting structure includes a limiting groove 50. The limiting groove 50 at least partially extends along the circumferential direction of the first locking member 21. At least a portion of the limiting pin 40 is disposed in the limiting groove 50 and can slide along the limiting groove 50. The limiting groove 50 includes a first sub-groove 51 and a second sub-groove 52 that are interconnected. The first sub-groove 51 spirally extends in the circumferential direction of the base 10, and the second sub-groove 52 extends along the axial direction X. The limiting pin 40 is detachably connected to the base 10 or the second locking member 22.

[0184] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A locking mechanism, characterized in that: include: Pedestal; A locking assembly, comprising a first locking member and a second locking member, wherein the first locking member is movably disposed on the base along its own axial direction, the second locking member is threadedly connected to one end of the first locking member along the axial direction, and the second locking member is configured to lock the first locking member to a target component or release the lock between the first locking member and the target component by rotating; A first limiting structure and a second limiting structure, one of the first limiting structure and the second limiting structure is arranged on the base, and the other is arranged on the first locking member, the first limiting structure and the second limiting structure cooperate and are used to limit the rotation angle of the first locking member relative to the base.

2. The locking mechanism according to claim 1, characterized in that: The first limiting structure includes a limiting pin, and the second limiting structure includes a limiting groove, wherein the limiting groove at least partially extends along the circumference of the first locking member, and at least a portion of the limiting pin is disposed in the limiting groove and can slide along the limiting groove.

3. The locking mechanism according to claim 2, characterized in that: The limiting groove includes a first sub-groove and a second sub-groove which are connected to each other, the first sub-groove extends spirally in the circumferential direction of the base, and the second sub-groove extends along the axial direction.

4. The locking mechanism according to claim 2, characterized in that: In the width direction of the limiting groove, the distance between the side wall of the limiting groove and the limiting pin is less than or equal to 0.5 mm.

5. The locking mechanism according to claim 1, characterized in that: The first limiting structure is detachably connected to the first locking member, and the second limiting structure is arranged on the base; Alternatively, the first limiting structure is detachably connected to the base, and the second limiting structure is arranged on the first locking member.

6. The locking mechanism according to claim 5, characterized in that: The first limiting structure includes a limiting pin, and the second limiting structure includes a limiting groove; The limiting groove is arranged on the base; A first mounting hole is arranged on the outer peripheral surface of the first locking member, the limiting pin is inserted into the first mounting hole, and a part of the limiting pin protrudes from the first locking member in the radial direction of the first locking member.

7. The locking mechanism according to claim 6, characterized in that: The limiting pin is interference-fitted with the first mounting hole.

8. The locking mechanism according to claim 6, characterized in that: In the radial direction, the limit pin is protruded from the first locking member on two opposite sides, the base is provided with two limit grooves, and the protruding ends of the limit pin are respectively matched with the two limit grooves.

9. The locking mechanism according to claim 5, characterized in that: The first limiting structure includes a limiting pin, and the second limiting structure includes a limiting groove; The base has a receiving cavity, and the locking assembly is at least partially disposed in the receiving cavity; The limiting pin is arranged on the side wall of the accommodating cavity, and the limiting groove is arranged on the outer peripheral surface of the first locking member.

10. The locking mechanism according to claim 9, characterized in that: The side wall of the accommodating cavity is provided with a second mounting hole which penetrates through the side wall of the accommodating cavity, and the limiting pin is inserted into the second mounting hole and protrudes from the side wall of the accommodating cavity.

11. The locking mechanism according to claim 10, characterized in that: The locking mechanism comprises a plurality of the limiting pins and a plurality of the limiting grooves, and the limiting pins and the limiting grooves are arranged in a one-to-one correspondence.

12. The locking mechanism according to claim 9, characterized in that: The first locking member comprises a guide section and a connecting section arranged along the axial direction, the limiting groove is arranged in the guide section, and the connecting section is used to be connected with the second locking member; The diameter of the guide section is greater than the diameter of the connecting section.

13. The locking mechanism according to claim 1, characterized in that: The locking mechanism comprises a plurality of first limiting structures and a plurality of second limiting structures, wherein the first limiting structures and the second limiting structures are arranged in a one-to-one correspondence; The first limiting structure and the second limiting structure are centrally symmetrically arranged relative to a central axis of the first locking member.

14. The locking mechanism according to claim 1, characterized in that: The locking mechanism further includes an anti-rotation assembly, which includes an anti-rotation piece, an elastic piece and a stopper, wherein the anti-rotation piece is sleeved on the second locking piece and movably connected to the second locking piece along the axial direction, the elastic piece is sandwiched between the second locking piece and the anti-rotation piece or between the base and the anti-rotation piece in the axial direction, and the stopper is fixed to the base and located on a side of the anti-rotation piece away from the elastic piece; The anti-rotation member and the stop member are provided with meshing teeth on one side close to each other, and can be switched between a disengaged state and a locked state through relative movement in the axial direction.

15. The locking mechanism according to claim 1, characterized in that: The first locking member includes a locking rod and a pressure head, wherein the pressure head is connected to one end of the locking rod along the axial direction and is located outside the base, and one end of the locking rod away from the pressure head is accommodated in the base and connected to the second locking member; The outer peripheral surface of the pressure head includes a first surface and a second surface. In the radial direction of the first locking member, the distance between the first surface and the locking rod is greater than the distance between the second surface and the locking rod.

16. A battery, characterized in that: include: Box; A plurality of battery cells are arranged in the box body, The locking mechanism according to any one of claims 1 to 15, wherein the base is connected to the box.

17. The battery according to claim 16, characterized in that The box body is provided with a mounting hole, and the base is passed through the mounting hole.

18. A vehicle, characterized in that: include: body, including fixings; The battery as described in any one of claims 16-17 is located on the lower side of the vehicle body, the first locking member is locked to the fixing member, and the battery is used to provide electrical energy.

19. The vehicle according to claim 18, characterized in that The first locking member includes a locking rod and a pressing head, wherein the pressing head is connected to one end of the locking rod along the axial direction and is located outside the base; The fixing member is provided with a fixing hole, and the pressing head is configured to be able to pass through the fixing hole; In the first direction, the size of the pressure head is larger than the size of the fixing hole; in the second direction, the size of the pressure head is smaller than the size of the fixing hole, and the first direction, the second direction and the axial direction are perpendicular to each other; In the axial direction, a portion of the fixing member is clamped between the pressing head and the base.

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