Battery device, vehicle and connection mechanism

Abstract

The utility model provides a battery device, a vehicle and a connecting mechanism. The problem that in the prior art, the battery disassembling and assembling speed is low is solved. The battery device comprises a battery and a connecting mechanism; the connecting mechanism comprises a first hook assembly or a second hook assembly; the first hook assembly is arranged on the battery and is used for being matched with the second hook assembly; the second hook assembly is arranged on the battery and used for being matched with the first hook assembly. The first hook assembly can be rotationally hooked to the second hook assembly, and the first hook assembly can be rotationally unhooked from the second hook assembly. In this way, one of the first hook assembly and the second hook assembly is connected with the battery, and the other one is used for being connected with a frame. The battery is assembled and disassembled on the frame by hooking or unhooking the first hook assembly and the second hook assembly, so that the assembling and disassembling speed of the battery is accelerated.

Description

Technical Field

[0001] This application relates to the technical field of batteries, and particularly to a battery device, a vehicle, and a connection mechanism. Background Art

[0002] The vehicle can be a new energy vehicle such as a pure electric vehicle, a hybrid vehicle, or an extended-range electric vehicle. The vehicle can include a frame and a battery. The battery is installed on the frame. When disassembling and assembling the battery, the speed is relatively slow. Summary of the Utility Model

[0003] The main technical problem to be solved by this application is to provide a battery device, a vehicle, and a connection mechanism to solve the problem of slow disassembly and assembly speed of the battery in the prior art.

[0004] To solve the above technical problem, the first technical solution adopted by this application is: to provide a battery device. The battery device includes a battery and a connection mechanism; the connection mechanism includes a first hook assembly or a second hook assembly; the first hook assembly is provided on the battery and is used to cooperate with the second hook assembly; the second hook assembly is provided on the battery and is used to cooperate with the first hook assembly. The first hook assembly can rotate and hook on the second hook assembly, and the first hook assembly can rotate and decouple from the second hook assembly. In this way, one of the first hook assembly and the second hook assembly is connected to the battery, and the other is used to connect to the frame; by using the hooking or decoupling of the first hook assembly and the second hook assembly, the battery is disassembled and assembled on the frame, thereby accelerating the disassembly and assembly speed of the battery.

[0005] In some embodiments, the first hook assembly includes a first connecting hook, a connecting member, and a positioning member; the first connecting hook is rotatably provided on the connecting member; the first connecting hook cooperates with the second hook assembly. Wherein, when the first connecting hook rotates and hooks on the second hook assembly, the positioning member is connected to both the first connecting hook and the connecting member, and the positioning member is used to limit the rotation of the first connecting hook; the positioning member is also used to release the restriction on the first connecting hook, and the first connecting hook rotates and decouples from the second hook assembly.

[0006] In this way, by using the rotation of the first connecting hook relative to the connecting member, the first connecting hook hooks on the second hook assembly, or the first connecting hook decouples from the second hook assembly. When the first connecting hook hooks on the second hook assembly, the positioning member is connected to both the first connecting hook and the connecting member, so that the positioning member can limit the rotation of the first connecting hook, thereby firmly hooking the first connecting hook on the second hook assembly. When it is necessary to separate the first connecting hook from the second hook assembly, the positioning member is separated from the first connecting hook or the connecting member to release the restriction of the positioning member on the first connecting hook; rotate the first connecting hook so that the first connecting hook decouples from the second hook assembly.

[0007] In some embodiments, the first hook assembly includes a reset member; the reset member is disposed on the connecting member. When the first connecting hook rotates and engages with the second hook assembly, the first connecting hook forces the reset member to generate a reset force; when the positioning member releases the restriction on the first connecting hook, the reset force of the reset member disengages the first connecting hook from the second hook assembly.

[0008] In this way, when the first connecting hook rotates and engages with the second hook assembly, due to the rotation of the first connecting hook, the first connecting hook presses against the reset member, forcing the reset member to generate a reset force. When the positioning member releases the restriction on the first connecting hook, the reset force of the reset member causes the first connecting hook to rotate, thereby disengaging the first connecting hook from the second hook assembly.

[0009] In some embodiments, the reset member includes an elastic plate and / or a torsion spring. A part of the elastic plate is disposed on the connecting member, and the other part of the elastic plate faces the first connecting hook; wherein, when the first connecting hook rotates and engages with the second hook assembly, the first connecting hook presses against the other part of the elastic plate to generate a reset force. One end of the torsion spring is connected to the first connecting hook, and the other end is connected to the connecting member; wherein, when the first connecting hook rotates and engages with the second hook assembly, one end of the torsion spring rotates with the first connecting hook to generate a reset force. In this way, the elastic plate and the torsion spring can be used to generate a reset force.

[0010] In some embodiments, the connecting member has a first mounting groove; the positioning member is movably disposed in the first mounting groove; the first connecting hook has a limiting groove. Wherein, when the first connecting hook rotates and engages with the second hook assembly, the limiting groove of the first connecting hook aligns with the first mounting groove, and a part of the positioning member is inserted into the limiting groove; when the positioning member is removed from the limiting groove, the first connecting hook is disengaged from the second hook assembly.

[0011] In this way, when the first connecting hook rotates and engages with the second hook assembly, the positioning member moves from the first mounting groove to the limiting groove, so that the positioning member is located in the first mounting groove and the limiting groove, thereby using the positioning member to restrict the rotation of the first connecting hook. When the first connecting hook is disengaged from the second hook assembly and separated, the positioning member moves from the limiting groove to the first mounting groove, and the whole of the positioning member is located in the first mounting groove, thereby disengaging the first connecting hook from the second hook assembly. Among them, the positioning member functions to restrict the rotation of the first connecting hook or release the restriction on the rotation of the first connecting hook. The reset member is used to cause the first connecting hook to rotate and disengage the first connecting hook from the second hook assembly when the whole of the positioning member is located in the first mounting groove.

[0012] In some embodiments, the positioning member is slidably disposed in the first mounting groove; the sliding direction of the positioning member intersects with the rotation axis of the first connecting hook. In this way, it is convenient to connect the connecting member to the battery or the vehicle frame, and the interference of the battery or the vehicle frame on the positioning member can also be reduced.

[0013] In some embodiments, the first hook assembly further includes a driving assembly and a first elastic member; the positioning member is slidably disposed in the first mounting groove through the first elastic member. The first mounting groove has a first notch and a second notch; the driving assembly is detachably connected to the positioning member through the second notch, and the driving assembly is used to drive the positioning member to slide to a side away from the first connecting hook; the first elastic member is used to drive the positioning member to pass through the first notch and be inserted into the limiting groove.

[0014] In this way, the driving assembly can drive the positioning member to slide to the side away from the first connecting hook, so that the positioning member slides from the limiting groove to the first installation groove, thereby releasing the restriction on the rotation of the first connecting hook, so that the first connecting hook and the second hook assembly can be decoupled. The first elastic member can be used to continuously insert the positioning member into the limiting groove, so that the positioning member can continuously restrict the rotation of the first connecting hook, so that the first connecting hook and the second hook assembly can remain hooked for a long time. The two structures of the first elastic member and the driving assembly are used to realize the reciprocating sliding of the positioning member, so that when one of the first elastic member and the driving assembly fails, the use of the other will not be affected.

[0015] In some embodiments, the driving assembly includes an inner sleeve structure and an outer sleeve structure that are detachably connected; the positioning member has a connected plug interface and a plug slot; the outer sleeve structure includes a sleeve and a plurality of elastic arms; the plurality of elastic arms are arranged on the sleeve at intervals; and the outer wall of the elastic arm is provided with a clamping portion protruding outward. When the plurality of clamping portions are used to be retracted inwardly through the plug interface and inserted into the plug slot, the plurality of elastic arms are reset, and the plurality of clamping portions are restricted from moving by the plug slot; the inner sleeve structure is used to be inserted through the sleeve between the plurality of elastic arms, and restrict the plurality of clamping portions from retracting inwardly.

[0016] In this way, the outer cover structure can drive the positioning member to slide, so that the positioning member slides out of the limiting groove. The multiple elastic arms are arranged at intervals, which facilitates the multiple elastic arms to be retracted inwardly and reset outwardly.

[0017] In some embodiments, the first hook assembly also includes a connecting head; the positioning member and the first mounting groove form a sealed cavity; the connecting head is connected to the sealed cavity; the connecting head is used to increase or decrease the medium in the sealed cavity and drive the positioning member to reciprocate; the connecting head can seal the sealed cavity.

[0018] In this way, when the medium is added to the sealed cavity through the connector, as the medium in the sealed cavity increases, the positioning member is pushed to slide toward the side close to the first connecting hook, so that the positioning member can be slidably inserted into the limiting groove. When the positioning member is inserted into the limiting groove, the joint is sealed, so that the positioning member is continuously inserted into the first installation groove and the limiting groove. When the medium is reduced into the sealed cavity through the connector, as the medium in the sealed cavity decreases, the external pressure causes the positioning member to slide toward the side away from the first connecting hook; thereby causing the positioning member to slide out of the limit.

[0019] In some embodiments, the connecting mechanism further includes a second elastic member; the connecting member further has a channel and a second mounting groove; the first inner wall of the first mounting groove has a counterbore; one end of the second elastic member is disposed in the counterbore, and the other end is connected to the positioning member; the second elastic member is configured to provide an elastic force to the positioning member and prevent the positioning member from contacting the first inner wall; the connecting head is disposed in the second mounting groove, and the notch of the second mounting groove faces away from the first notch of the first mounting groove; the connecting head communicates with the counterbore through the channel.

[0020] In this way, the compressive elastic force of the second elastic member facilitates the sliding of the positioning member towards one side of the first connecting hook and can also prevent the positioning member from colliding with the first inner wall. The provided second mounting groove can avoid the side where the connecting member is connected to, for example, a battery, so that the connecting head in the second mounting groove can be more conveniently connected to the medium device. Since there is a distance between the second mounting groove and the sealing cavity, the connecting head in the second mounting groove cannot be directly connected to the sealing cavity; therefore, a channel is adopted to make the connecting head communicate with the first counterbore. The provided first counterbore can function to mount the second elastic member. The first counterbore on the first inner wall leaves a space at the first inner wall of the first mounting groove, so as to facilitate the medium to enter the sealing cavity.

[0021] In some embodiments, the connecting mechanism further includes at least one plug; the channel has at least one open end; the plug seals the open end of the channel. In this way, the sealing cavity, the channel and the connecting head can form a sealed environment to facilitate the accurate sliding of the positioning member.

[0022] In some embodiments, the first inner wall of the first mounting groove has a counterbore. Wherein, the first hook assembly further includes a second elastic member, one end of the second elastic member is disposed in the counterbore, and the other end is connected to the positioning member. And / or, the connecting head communicates with the counterbore. In this way, the provided first counterbore can function to mount the second elastic member. The first counterbore on the first inner wall leaves a space at the first inner wall of the first mounting groove, so as to facilitate the medium to enter the sealing cavity.

[0023] In some embodiments, the second hook assembly is a fixed structure; wherein, the second hook assembly has a groove, or the second hook assembly includes a second connecting hook.

[0024] In this way, the first hook assembly rotates while the second hook assembly does not rotate. By the rotation of the first hook assembly, the first connecting hook is hooked onto the second hook assembly.

[0025] In some embodiments, the second hook assembly includes a fixing body and a buffer layer; the fixing body has a groove; the buffer layer is disposed in the groove. In this way, the provided buffer layer can reduce the friction between the first hook assembly and the groove.

[0026] In some embodiments, the second hook assembly has a groove, and the inner surface of the groove and the outer surface of the first connecting hook are both arc-shaped surfaces. The inner surface of the groove cooperates with the outer surface of the first connecting hook to guide the first connecting hook to rotate and engage within the groove. In this way, as the inner surface of the groove and the outer surface of the first connecting hook interact, the first connecting hook rotates relative to the connecting member, and the first connecting hook is engaged within the groove.

[0027] To solve the above technical problems, the second technical solution provided by this application is: to provide a vehicle. The vehicle includes a frame and a battery device; wherein, the connecting mechanism includes a first hook assembly, and a second hook assembly is arranged on the frame; or, the connecting mechanism includes a second hook assembly, and a first hook assembly is arranged on the frame. Since the vehicle includes a battery device, the effects of the vehicle can refer to the effects of the battery device.

[0028] To solve the above technical problems, the third technical solution adopted by this application is: to provide a connecting mechanism. The connecting mechanism includes a cooperating first hook assembly and a second hook assembly. The first hook assembly includes a first connecting hook, a connecting member, and a positioning member; the first connecting hook is rotatably arranged on the connecting member; the first connecting hook cooperates with the second hook assembly. When the first connecting hook rotates and engages with the second hook assembly, the positioning member is connected to both the first connecting hook and the connecting member, and the positioning member is used to limit the rotation of the first connecting hook; the positioning member is also used to release the restriction on the first connecting hook, allowing the first connecting hook to rotate and disengage from the second hook assembly.

[0029] In this way, by using the rotation of the first connecting hook relative to the connecting member, the first connecting hook can be engaged with the second hook assembly or disengaged from the second hook assembly. When the first connecting hook is engaged with the second hook assembly, the positioning member is connected to both the first connecting hook and the connecting member, enabling the positioning member to limit the rotation of the first connecting hook, thereby firmly engaging the first connecting hook with the second hook assembly. When it is necessary to separate the first connecting hook from the second hook assembly, the positioning member is separated from the first connecting hook and / or the connecting member to release the restriction of the positioning member on the first connecting hook; then rotate the first connecting hook to disengage the first connecting hook from the second hook assembly. Among them, one of the first hook assembly (or the first connecting hook) and the second hook assembly is used to connect to the battery, and the other is used to connect to the frame; thus, the battery can be disassembled and assembled on the frame by using the connecting mechanism, thereby accelerating the disassembly and assembly speed of the battery. Furthermore, the connecting mechanism can solve the problem of the slow disassembly and assembly speed of the existing battery, and accelerate the disassembly and assembly speed of the battery and the frame.

[0030] In some embodiments, the first hook assembly includes a reset member; the reset member is disposed on the connecting member. When the first connecting hook rotates and engages with the second hook assembly, the first connecting hook forces the reset member to generate a reset force. When the positioning member releases the restriction on the first connecting hook, the reset force of the reset member disengages the first connecting hook from the second hook assembly. In this way, when the first connecting hook rotates and engages with the second hook assembly, due to the rotation of the first connecting hook, the first connecting hook presses against the reset member, forcing the reset member to generate a reset force. When the first connecting hook is disengaged from the second hook assembly, the reset force of the reset member is used to rotate the first connecting hook, thereby disengaging the first connecting hook from the second hook assembly.

[0031] In some embodiments, the reset member includes an elastic plate and / or a torsion spring. A part of the elastic plate is disposed on the connecting member, and another part of the elastic plate faces the first connecting hook; wherein, when the first connecting hook rotates and engages with the second hook assembly, the first connecting hook presses against the other part of the elastic plate to generate a reset force. One end of the torsion spring is connected to the first connecting hook, and the other end is connected to the connecting member; wherein, when the first connecting hook rotates and engages with the second hook assembly, one end of the torsion spring rotates with the first connecting hook to generate a reset force. In this way, the elastic plate and the torsion spring can be used to generate a reset force.

[0032] In some embodiments, the connecting member has a first installation groove; the positioning member is movably disposed in the first installation groove; the first connecting hook has a limiting groove. Wherein, when the first connecting hook rotates and engages with the second hook assembly, the limiting groove of the first connecting hook aligns with the first installation groove, and a part of the positioning member is inserted into the limiting groove; when the positioning member is removed from the limiting groove, the first connecting hook is disengaged from the second hook assembly. In this way, when the first connecting hook rotates and engages with the second hook assembly, the positioning member moves from the first installation groove to the limiting groove, so that the positioning member is located in the first installation groove and the limiting groove, thereby using the positioning member to restrict the rotation of the first connecting hook. When the first connecting hook is disengaged from the second hook assembly, the positioning member moves from the limiting groove to the first installation groove, and the positioning member is all located in the first installation groove. After the first connecting hook rotates, the first connecting hook is disengaged from the second hook assembly.

[0033] In some embodiments, the positioning member is slidably disposed in the first installation groove; the sliding direction of the positioning member intersects with the rotation axis of the first connecting hook. In this way, it is convenient to connect the connecting member to the battery or the vehicle frame, and the interference of the battery or the vehicle frame on the positioning member can also be reduced.

[0034] In some embodiments, the first hook assembly further includes a limiting member; the limiting member is connected to the first connecting hook. When the first connecting hook rotates until it is blocked by the limiting member, the first installation groove aligns with the limiting groove. In this way, when the limiting member is blocked by the connecting member, it is convenient for the positioning member to be quickly inserted into the aligned first installation groove and limiting groove.

[0035] In some embodiments, the first hook assembly further includes a driving assembly; the driving assembly is connected to the positioning member; the driving assembly is used to drive the positioning member to slide toward a side away from the first connecting hook. In this way, the driving assembly can drive the positioning member to slide toward a side away from the first connecting hook, so that the positioning member slides from the limiting groove to the first installation groove, thereby releasing the restriction on the rotation of the first connecting hook, so that the first connecting hook is decoupled from the second hook assembly.

[0036] In some embodiments, the first hook assembly further includes a first elastic member; the positioning member is slidably disposed in the first installation slot through the first elastic member; the first elastic member is used to drive the positioning member to slide and be inserted into the limiting slot. In this way, the positioning member can be continuously inserted into the limiting slot by using the first elastic member, so that the positioning member can continuously limit the rotation of the first connecting hook, so that the first connecting hook and the second hook assembly can remain hooked for a long time.

[0037] In some embodiments, the first mounting slot has a first slot and a second slot; the first elastic member is used to drive the positioning member to pass through the first slot and be inserted into the limiting slot; the driving assembly is used to pass through the second slot and be detachably connected to the positioning member. In this way, the second slot is provided to expose the positioning member so that the driving assembly and the positioning member can be detachably connected. In addition, when the positioning member is inserted into the first mounting slot and the limiting slot, the driving assembly is separated from the positioning member, which can reduce the weight of the connecting mechanism and solve the problem of the positioning member sliding out of the limiting slot due to a malfunction of the driving assembly due to accidental contact.

[0038] In some embodiments, the positioning member has a connected plug interface and a plug slot; the driving assembly includes a clamping portion; the clamping portion is used to pass through the plug interface and be plugged into the plug slot and engage with the plug slot. In this way, the provided plug slot facilitates the plug-in connection between the driving assembly and the positioning member.

[0039] In some embodiments, the driving assembly includes a jacket structure; the jacket structure includes a sleeve and a plurality of elastic arms; the plurality of elastic arms are arranged on the sleeve at intervals; and a clamping portion is protruded outwardly from the outer wall of the elastic arm. When the plurality of clamping portions are retracted inwardly and move through the plug interface into the plug slot, the plurality of elastic arms are reset, and the plurality of clamping portions are restricted from moving by the plug slot. In this way, the jacket structure can drive the positioning member to slide, so that the positioning member slides out of the limiting slot. The plurality of elastic arms are arranged at intervals, so that the plurality of elastic arms can be retracted inwardly and reset outwardly.

[0040] In some embodiments, the driving component further includes an inner sleeve structure detachably connected to the outer sleeve structure; the inner sleeve structure is configured to pass through the sleeve and insert between multiple elastic arms, and is configured to limit the inward convergence of multiple engaging portions. In this way, the outer sleeve structure and the inner sleeve structure are detachably arranged. After the outer sleeve structure is inserted into the insertion groove, the inner sleeve structure is inserted between multiple elastic arms, and the inner sleeve structure contacts the elastic arms, so that the elasticity will not converge inward; thus, the cooperation of the outer sleeve structure and the inner sleeve structure is utilized to facilitate the sliding of the driving positioning member.

[0041] In some embodiments, the first hook assembly further includes a connection head; the positioning member and the first mounting groove define a sealing cavity; the connection head communicates with the sealing cavity; the connection head is configured to increase or decrease the medium in the sealing cavity to drive the positioning member to reciprocate; the connection head can seal the sealing cavity. In this way, when the medium is increased in the sealing cavity through the connection head, as the medium in the sealing cavity increases, the positioning member is pushed to slide toward the side close to the first connection hook, so that the positioning member can be slidably inserted into the limiting groove. When the positioning member is inserted into the limiting groove, the joint is sealed, so that the positioning member is continuously inserted into the first mounting groove and the limiting groove. When the medium is decreased in the sealing cavity through the connection head, as the medium in the sealing cavity decreases, the external pressure causes the positioning member to slide away from the first connection hook; thus, the positioning member slides out of the limit.

[0042] In some embodiments, the connecting member further has a channel and a second mounting groove; the connection head is arranged in the second mounting groove, and the notch of the second mounting groove faces away from the first notch of the first mounting groove; the connection head communicates with the sealing cavity through the channel. In this way, the provided second mounting groove can avoid the side where the connecting member is connected to, for example, a battery, so that the connection head in the second mounting groove can be more conveniently connected to the medium device. Since there is a distance between the second mounting groove and the sealing cavity, the connection head in the second mounting groove cannot be directly connected to the sealing cavity; therefore, a channel is adopted to communicate the connection head with the sealing cavity.

[0043] In some embodiments, the connecting mechanism further includes at least one plug; the channel has at least one unclosed end; the plug seals the unclosed end of the channel. In this way, the sealing cavity, the channel and the connection head can form a sealed environment to facilitate the accurate sliding of the positioning member.

[0044] In some embodiments, the first hook assembly further includes a second elastic member; one end of the second elastic member is connected to the first inner wall of the first mounting groove, and the other end is connected to the positioning member. The second elastic member is configured to provide a compressive elastic force to the positioning member; and / or, the second elastic member is configured to prevent the positioning member from contacting the first inner wall. In this way, the compressive elastic force of the second elastic member facilitates the sliding of the positioning member toward the side of the first connection hook and can also prevent the positioning member from colliding with the first inner wall.

[0045] In some embodiments, the first inner wall of the first mounting groove has a counterbore. The first hook assembly further includes a second elastic member, one end of the second elastic member is disposed in the counterbore, and the other end is connected to the positioning member. And / or, the connection head communicates with the counterbore. In this way, the provided first counterbore can function to mount the second elastic member. The first counterbore on the first inner wall leaves a space at the first inner wall of the first mounting groove, so as to facilitate the medium to enter the sealing cavity.

[0046] In some embodiments, the second hook assembly is a fixed structure. The second hook assembly has a groove, or the second hook assembly includes a second connecting hook. In this way, when the first hook assembly rotates, the second hook assembly does not rotate, and by the rotation of the first hook assembly, the first connecting hook is hooked on the second hook assembly.

[0047] In some embodiments, the second hook assembly includes a fixing body and a buffer layer; the fixing body has a groove; the buffer layer is disposed in the groove. In this way, the provided buffer layer can reduce the friction between the first hook assembly and the groove.

[0048] In some embodiments, the second hook assembly has a groove, and the inner surface of the groove and the outer surface of the first connecting hook are both arc-shaped surfaces. The inner surface of the groove and the outer surface of the first connecting hook cooperate to guide the first connecting hook to rotate and be hooked in the groove. In this way, along with the inner surface of the groove and the outer surface of the first connecting hook, the first connecting hook rotates relative to the connecting member, and the first connecting hook is hooked in the groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0050] Figure 1 is a schematic structural diagram of a battery device provided by the present application;

[0051] Figure 2 is a schematic structural diagram of a connection mechanism provided by the present application in a decoupled state;

[0052] Figure 3 is a front view of a connection mechanism provided by the present application in a decoupled state;

[0053] Figure 4 is a schematic structural diagram of another connection mechanism provided by the present application in a decoupled state;

[0054] Figure 5 is a front view of another connection mechanism provided by the present application in a decoupled state;

[0055] Figure 6 It is a schematic structural view of a connection mechanism provided by this application in the hooked state;

[0056] Figure 7 It is a front view of a connection mechanism provided by this application in the hooked state;

[0057] Figure 8 It is a schematic structural view of another connection mechanism provided by this application in the hooked state;

[0058] Figure 9 It is a front view of another connection mechanism provided by this application in the hooked state;

[0059] Figure 10 It is a schematic structural view of a first hook assembly provided by this application;

[0060] Figure 11 It is a schematic structural view of a connecting piece provided by this application;

[0061] Figure 12 It is a sectional view of the connecting piece provided by this application;

[0062] Figure 13 It is a schematic structural view of a positioning piece provided by this application;

[0063] Figure 14 It is a schematic structural view of a driving assembly provided by this application;

[0064] Figure 15 It is a schematic structural view of an outer sleeve structure provided by this application;

[0065] Figure 16 It is a schematic structural view of an inner sleeve structure provided by this application;

[0066] Figure 17 It is a schematic structural view of another first hook assembly provided by this application;

[0067] Figure 18 It is a schematic structural view of another connecting piece provided by this application;

[0068] Figure 19 It is a schematic structural view of another positioning piece provided by this application;

[0069] Figure 20 It is a schematic structural view of the first hook assembly provided by this application;

[0070] Figure 21 It is a schematic structural view of a vehicle provided by this application;

[0071] Figure 22It is a schematic structural diagram of a vehicle frame, a battery and a connecting mechanism provided by this application.

[0072] In the figure: 1. Connecting mechanism; 11. Second hook assembly; 111. Groove; 112. Fixed body; 113. Buffer layer; 12. First hook assembly; 121. First connecting hook; 1211. Limit groove; 1212. Limiting member; 122. Positioning member; 12221. First connecting portion; 12222. Second connecting portion; 1223. Insertion slot; 1224. Insertion hole; 1225. Groove; 1226. Second counterbore; 1227. First counterbore; 1228. First inner wall; 123. Connecting member; 1231. First installation slot; 1232. First installation portion; 1233. Main body portion; 1234. Second installation portion; 1235. Installation cavity; 1236. Channel; 1237. Second installation slot; 1238. First notch; 1239. Second notch; 124. First elastic member; 125. Driving assembly; 1251. Outer sleeve structure; 12511. Clamping portion; 12512. Elastic arm; 12513. Sleeve; 1252. Inner sleeve structure; 12521. First sliding rod; 12522. Second sliding rod; 126. Connecting head; 127. Plug; 128. Second elastic member; 129. Reset member; 2. Battery; 3. Vehicle frame; 4. Electronic component. Detailed implementation manners

[0073] The following will, with reference to the accompanying drawings in the embodiments of this application, describe the technical solutions in the embodiments of this application clearly and completely. Obviously, the described embodiments are only a part rather than all of the embodiments of this application. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0074] In the following description, specific details such as specific system structures, interfaces, and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand this application.

[0075] The following will, with reference to the accompanying drawings in the embodiments of this application, describe the technical solutions in the embodiments of this application clearly and completely. Obviously, the described embodiments are only a part rather than all of the embodiments of this application. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0076] The terms "first", "second", and "third" in this application are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second", and "third" may explicitly or implicitly include at least one of such features. In the description of this application, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined. In the embodiments of this application, all directional indications (such as up, down, left, right, front, back...) are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indication will also change accordingly. In addition, the terms "comprise" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally further include steps or units not listed, or may optionally further include other steps or units inherent to these processes, methods, products, or devices.

[0077] Reference to "embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0078] In the related art, a vehicle can be a new energy vehicle such as a pure electric vehicle, a hybrid vehicle, or an extended-range electric vehicle. The vehicle can include a vehicle frame and a battery. A plurality of bolts are provided around the battery to mount the battery on the vehicle frame. Then, when disassembling and assembling the battery, it is necessary to operate a plurality of bolts, resulting in a slow speed of disassembling and assembling the battery.

[0079] To solve the problem of the slow speed of disassembling and assembling the battery. An embodiment of this application provides a battery device. Refer to Figure 1 and Figure 2 , the battery device includes a battery 2 and a connection mechanism 1; the connection mechanism 1 includes a first hook assembly 12 or a second hook assembly 11. The first hook assembly 12 is provided on the battery 2 and is used to cooperate with the second hook assembly 11. The second hook assembly 11 is provided on the battery 2 and is used to cooperate with the first hook assembly 12. The first hook assembly 12 can rotate and hook onto the second hook assembly 11, and the first hook assembly 12 can rotate and decouple from the second hook assembly 11. In this way, one of the first hook assembly 12 and the second hook assembly 11 is connected to the battery 2, and the other is used to connect to the vehicle frame 3; by hooking or decoupling the first hook assembly 12 and the second hook assembly 11, the battery 2 is disassembled and assembled on the vehicle frame 3, thereby accelerating the speed of disassembling and assembling the battery 2.

[0080] The first hook assembly 12 can be rotatably hooked to the second hook assembly 11; it can be understood that the first hook assembly 12 is a rotating structure; that is, there are two parts in all components of the first hook assembly 12 that are rotatably connected. For example, the first connecting hook 121 is rotatably connected to the connecting member 123. The first hook assembly 12 can rotate and hook to the second hook assembly 11, so that the first hook assembly 12 and the second hook assembly 11 are hooked together.

[0081] For example, the first hook assembly 12 is connected to the battery 2, and the second hook assembly 11 is used to connect to the vehicle frame 3; or, the second hook assembly 11 is connected to the battery 2, and the first hook assembly 12 is used to connect to the vehicle frame 3.

[0082] The connecting mechanism 1 can be applied to the field of the battery 2. The first hook assembly 12 and the second hook assembly 11 can have a hooked state and a decoupled state. Figures 2 - 5 A schematic diagram showing the first hook assembly 12 and the second hook assembly 11 in a decoupled state; Figures 6 - 9 A schematic diagram showing the first hook assembly 12 and the second hook assembly 11 in a hooked state. The first hook assembly 12 is hooked to the second hook assembly 11, so the first hook assembly 12 (or the first connecting hook) is adapted to the second hook assembly 11.

[0083] The battery 2 can include a battery case and battery cells; the battery cells are installed in the battery case.

[0084] The battery case is used to provide a accommodating space for one or more battery cells, so that the battery case can play a role in protecting the battery cells; at the same time, it is also convenient to concentrate multiple battery cells together. The battery case can include a lower case and an upper case, and the upper case is buckled on the lower case to form an accommodating space capable of accommodating the battery cells. The shape of the battery case can be specifically set according to needs. For example, the shape of the battery case can be cylindrical, and the corresponding battery 2 can be called a circular battery; or, the shape of the battery case can be rectangular, and the corresponding battery 2 can be called a rectangular battery.

[0085] The battery cell can be a secondary battery, which refers to a battery cell that can be activated by charging after discharging to continue to be used. The battery cell can include but is not limited to lithium-ion batteries, sodium-ion batteries, sodium-lithium-ion batteries, lithium-metal batteries, sodium-metal batteries, lithium-sulfur batteries, magnesium-ion batteries, nickel-metal hydride batteries, nickel-cadmium batteries, lead-acid batteries, etc.

[0086] In battery 2, the number of battery cells can be one or more. Among them, multiple battery cells can be connected in series, in parallel, or in a combined series-parallel connection. A combined series-parallel connection means that there are both series and parallel connections among multiple battery cells. Multiple battery cells can be directly connected in series, in parallel, or in a combined series-parallel connection together, and then the whole formed by multiple battery cells is accommodated in a box body. Of course, it can also be that multiple battery cells are first connected in series, in parallel, or in a combined series-parallel connection to form a battery module, and then multiple battery modules are connected in series, in parallel, or in a combined series-parallel connection to form a whole, and this whole is accommodated in a box body. Multiple battery cells in the battery module can be electrically connected through a busbar component to achieve, for example, parallel, series, or combined series-parallel connection of multiple battery cells in the battery module.

[0087] A battery cell can include a housing, an electrode assembly, and a cover plate. The housing has a communicating cavity and an installation opening. The number of electrode assemblies can be one or more; the electrode assemblies are installed in the cavity of the housing. The cover plate is connected to the housing and covers the installation opening. The housing is filled with an electrolyte, such as an electrolytic solution. The electrode assembly can include a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. During the charge and discharge process of the battery cell, active ions (such as lithium ions) are embedded and extracted back and forth between the positive electrode and the negative electrode. The separator can play a role in preventing short circuit between the positive and negative electrodes to a certain extent, and at the same time allow active ions to pass through.

[0088] In some embodiments, referring to Figure 10 , the first hook assembly 12 includes a first connecting hook 121, a connecting member 123, and a positioning member 122; the first connecting hook 121 is rotatably disposed on the connecting member 123; the first connecting hook 121 cooperates with the second hook assembly 11; when the first connecting hook 121 is rotatably hooked on the second hook assembly 11, the positioning member 122 is connected to both the first connecting hook 121 and the connecting member 123, and the positioning member 122 is used to limit the rotation of the first connecting hook 121; the positioning member 122 is also used to release the restriction on the first connecting hook 121, and the first connecting hook 121 rotates and disengages from the second hook assembly 11.

[0089] In this way, by using the rotation of the first connecting hook 121 relative to the connecting member 123, the first connecting hook 121 is hooked on the second hook assembly 11, or the first connecting hook 121 disengages from the second hook assembly 11. When the first connecting hook 121 is hooked on the second hook assembly 11, the positioning member 122 is connected to both the first connecting hook 121 and the connecting member 123, so that the positioning member 122 can limit the rotation of the first connecting hook 121, thereby firmly hooking the first connecting hook 121 on the second hook assembly 11. When it is necessary to separate the first connecting hook 121 from the second hook assembly 11, the positioning member 122 is separated from the first connecting hook 121 or the connecting member 123 to release the restriction of the positioning member 122 on the first connecting hook 121; rotate the first connecting hook 121 so that the first connecting hook 121 disengages from the second hook assembly 11.

[0090] In some examples, when the first connection hook 121 rotates and hooks onto the second hook assembly 11, the positioning member 122 can connect both the first connection hook 121 and the connecting member 123 through activities such as snap connection, threaded connection, plug connection, etc., restricting the rotation of the first connection hook 121.

[0091] In some examples, the first hook assembly 12 further includes a first rotating shaft, and the first connection hook 121 and the connecting member 123 are rotatably connected through the first rotating shaft.

[0092] The first connection hook 121 can be of any hook shape; for example, the first connection hook 121 can include a connected first curved surface and a second curved surface, and a sharp hook is formed at the connection of the first curved surface and the second curved surface, and this sharp hook can hook into the second hook assembly 11.

[0093] The shape of the connecting member 123 can be block-shaped or plate-shaped, or can be of any shape. Exemplarily, refer to Figure 10 , the connecting member 123 includes a first mounting portion 1232, a main body portion 1233, and a second mounting portion 1234. The first mounting portion 1232 and the second mounting portion 1234 are provided on the main body portion 1233. For example, the first mounting portion 1232, the main body portion 1233, and the second mounting portion 1234 are an integral structure. For example, the first mounting portion 1232 and the second mounting portion 1234 are respectively provided on two opposite side surfaces of the main body portion 1233. Among them, the first mounting portion 1232 is rotatably connected to the first connection hook 121. The second mounting portion 1234 is used to connect to the battery 2 or the vehicle frame 3. The number of the second mounting portions 1234 can be two. The number of the first mounting portions 1232 can be two. For example, the first connection hook 121 and the first mounting portion 1232 are rotatably connected through the first rotating shaft. The main body portion 1233 can have a first mounting groove 1231.

[0094] In some embodiments, continue to refer to Figure 10 , the first hook assembly 12 further includes a reset member 129; the reset member 129 is provided on the connecting member 123; when the first connection hook 121 rotates and hooks onto the second hook assembly 11, the first connection hook 121 forces the reset member 129 to generate a reset force. When the positioning member 122 releases the restriction on the first connection hook 121, the reset force of the reset member 129 disengages the first connection hook 121 from the second hook assembly 11.

[0095] In this way, when the first connection hook 121 rotates and hooks onto the second hook assembly 11, due to the rotation of the first connection hook 121, the first connection hook 121 squeezes the reset member 129, forcing the reset member 129 to generate a reset force. When the positioning member 122 releases the restriction on the first connection hook 121, the reset force of the reset member 129 is used to make the first connection hook 121 rotate, thereby disengaging and separating the first connection hook 121 from the second hook assembly 11.

[0096] The first connecting hook 121 forces the reset member 129 to generate a reset force. It can be understood that the first connecting hook 121 contacts the reset member 129. As the first connecting hook 121 rotates, the first connecting hook 121 acts on the reset member 129, and the hook forces the reset member 129 to generate a reset force.

[0097] In some embodiments, the reset member 129 includes an elastic plate and / or a torsion spring (for example, the reset member 129 includes an elastic plate, or the reset member 129 includes a torsion spring, or the reset member 129 includes an elastic plate and a torsion spring). Continuing to refer to Figure 10 , a part of the elastic plate is arranged on the connecting member 123, and the other part of the elastic plate is opposite to the first connecting hook 121; when the first connecting hook 121 rotates and hooks to the second hook assembly 11, the first connecting hook 121 presses the other part of the elastic plate to generate a reset force. One end of the torsion spring is connected to the first connecting hook 121, and the other end is connected to the connecting member 123; and the axis of the torsion spring coincides with the rotation axis of the first connecting hook 121; when the first connecting hook 121 rotates and hooks to the second hook assembly 11, one end of the torsion spring rotates with the first connecting hook 121 to generate a reset force. In this way, the elastic plate and the torsion spring can be used to generate a reset force.

[0098] In some examples, the two second mounting portions 1234 and the main body portion 1233 enclose a mounting cavity 1235, and the elastic plate can be mounted in the mounting cavity 1235. The elastic plate can be a sheet-shaped or plate-shaped elastic piece. In other examples, the torsion spring is mounted on the first rotating shaft.

[0099] In some embodiments, the connecting member has a first mounting groove 1231; the positioning member 122 is movably arranged in the first mounting groove 1231; the first connecting hook 121 has a limiting groove 1211. When the first connecting hook 121 rotates and hooks to the second hook assembly 11, the limiting groove 1211 of the first connecting hook 121 is aligned with the first mounting groove 1231, and a part of the positioning member 122 is inserted into the limiting groove 1211. When the positioning member 122 is removed from the limiting groove 1211, the reset force of the reset member 129 decouples the first connecting hook 121 from the second hook assembly 11.

[0100] In this way, when the first connecting hook 121 rotates and hooks onto the second hook assembly 11, the positioning member 122 moves from the first installation groove 1231 into the limiting groove 1211, so that the positioning member 122 is located in both the first installation groove 1231 and the limiting groove 1211, thereby restricting the rotation of the first connecting hook 121 by means of the positioning member 122. When the first connecting hook 121 is decoupled from the second hook assembly 11 and separated, the positioning member 122 moves from the limiting groove into the first installation groove 1231, and the whole of the positioning member 122 is located in the first installation groove 1231, thereby decoupling and separating the first connecting hook 121 from the second hook assembly 11. Among them, the positioning member 122 functions to restrict the rotation of the first connecting hook 121 or to release the restriction on the rotation of the first connecting hook 121. The reset member 129 is used to rotate the first connecting hook 121 when the whole of the positioning member 122 is located in the first installation groove 1231, so as to decouple and separate the first connecting hook 121 from the second hook assembly 11.

[0101] The positioning member 122 is movably arranged in the first installation groove 1231; for example, the positioning member 122 is slidably arranged in the first installation groove 1231; or for example, the positioning member 122 is rotatably arranged in the first installation groove 1231; or for example, the positioning member 122 is threadedly arranged in the first installation groove 1231. In this article, the example of the positioning member 122 being slidably arranged in the first installation groove 1231 is used for illustration.

[0102] The limiting groove 1211 of the first connecting hook 121 is aligned with the first installation groove 1231. It can be understood that the notch of the limiting groove 1211 faces the first notch 1238 of the first installation groove 1231.

[0103] In some embodiments, the positioning member 122 is slidably arranged in the first installation groove 1231; the sliding direction of the positioning member 122 intersects (such as being perpendicular to) the rotation axis of the first connecting hook 121. In this way, it is convenient for the connecting member 123 to be connected to the battery 2 or the vehicle frame 3, and the interference of the battery 2 or the vehicle frame 3 on the positioning member 122 can also be reduced.

[0104] In some examples, continue to refer to Figure 10 , the first hook assembly 12 further includes a limiting member 1212; the limiting member 1212 is connected to the first connecting hook 121. When the first connecting hook 121 rotates until the limiting member 1212 is blocked by the connecting member 123, the first installation groove 1231 is aligned with the limiting groove 1211. In this way, when the limiting member 1212 is blocked by the connecting member 123, it is convenient for the positioning member 122 to be quickly inserted into the aligned first installation groove 1231 and limiting groove 1211.

[0105] In some examples, the limiting member 1212 is fixedly connected to the connecting member 123. For example, the limiting member 1212 and the connecting member 123 are of an integral structure. The limiting member 1212 can be a part of the structure of the connecting member 123. For example, the limiting member 1212 can be a raised edge of the connecting member 123. The limiting member 1212 and the connecting member 123 can be detachably connected.

[0106] In some embodiments, continuing to refer to Figures 10 - 13 , the first hook assembly 12 further includes a driving assembly 125 and a first elastic member 124; the positioning member 122 is slidably disposed in the first installation groove 1231 through the first elastic member 124. The first installation groove 1231 has a first notch 1238 and a second notch 1239; the driving assembly 125 passes through the second notch 1239 and is detachably connected to the positioning member 122; the driving assembly 125 is used to drive the positioning member 122 to slide away from the first connecting hook 121; the first elastic member 124 is used to drive the positioning member 122 to be inserted into the limiting groove 1211 through the first notch 1238.

[0107] In this way, the driving assembly 125 can drive the positioning member 122 to slide away from the first connecting hook 121, so that the positioning member 122 slides from the limiting groove 1211 into the first installation groove 1231, thereby releasing the restriction on the rotation of the first connecting hook 121, and enabling the first connecting hook 121 to be decoupled and separated from the second hook assembly 11. The first elastic member 124 can be used to keep the positioning member 122 inserted into the limiting groove 1211 continuously, so as to facilitate the positioning member 122 to continuously restrict the rotation of the first connecting hook 121, so that the first connecting hook 121 and the second hook assembly 11 can be hooked for a long time. The reciprocating sliding of the positioning member 122 is realized by using the two structures of the first elastic member 124 and the driving assembly 125. Thus, when one of the first elastic member 124 and the driving assembly 125 fails, it will not affect the use of the other.

[0108] The provided second notch 1239 exposes the positioning member 122, so that the driving assembly 125 can be detachably connected to the positioning member 122. When the positioning member 122 is inserted into the first installation groove 1231 and the limiting groove 1211, the driving assembly 125 is separated from the positioning member 122, which can reduce the weight of the connecting mechanism 1 and also solve the problem that the positioning member 122 slides out of the limiting groove 1211 due to accidental contact with the driving assembly 125 and malfunction.

[0109] In addition, when the first connecting hook 121 is decoupled from the second hook assembly 11, the first elastic member 124 can also make the positioning member 122 abut against the first connecting hook 121 to reduce the shaking of the positioning member 122 in the first installation groove 1231.

[0110] The first notch 1238 and the second notch 1239 are both connected to the first installation slot 1231. In this case, the first installation slot 1231 can be called a channel 1236 or a through slot. The first notch 1238 and the second notch 1239 can be arranged opposite to each other or staggered.

[0111] The driving assembly 125 can be a hydraulic telescopic mechanism, a pneumatic telescopic mechanism, an electric push rod, etc.

[0112] In some embodiments, the connection mechanism 1 further includes a driving assembly 125; the driving assembly 125 passes through the second notch 1239 and is detachably connected to the positioning member 122; the driving assembly 125 is used to drive the positioning member 122 to slide back and forth (i.e., the driving assembly 125 is used to drive the positioning member 122 to slide toward a side away from the first connection hook 121, and also to drive the positioning member 122 to slide toward a side close to the first connection hook 121). The reciprocating sliding of the positioning member 122 is achieved by using one structure (i.e., the driving assembly 125).

[0113] In some embodiments, see Figures 14 - 17 The driving assembly 125 includes a detachably connected inner sleeve structure 1252 and an outer sleeve structure 1251; the positioning member 122 has a connected plug interface and a plug slot 1223; the outer sleeve structure 1251 includes a sleeve 12513 and a plurality of elastic arms 12512; the plurality of elastic arms 12512 are arranged on the sleeve 12513 at intervals; the outer wall of the elastic arm 12512 is provided with a clamping portion 12511 protruding outward. When the plurality of clamping portions 12511 are gathered inwardly through the plug interface and plugged into the plug slot 1223, the plurality of elastic arms 12512 are reset, and the plurality of clamping portions 12511 are restricted from moving by the plug slot; the inner sleeve structure 1252 passes through the sleeve 12513 and is inserted between the plurality of elastic arms 12512, and is used to restrict the plurality of clamping portions 12511 from being gathered inwardly.

[0114] In this way, the jacket structure 1251 can drive the positioning member 122 to slide, so that the positioning member 122 slides out of the limiting groove 1211. The multiple elastic arms 12512 are arranged at intervals to facilitate the multiple elastic arms 12512 to be retracted inwardly and reset outwardly.

[0115] After the outer sleeve structure 1251 is inserted into the insertion slot 1223, the inner sleeve structure 1252 is inserted between the multiple elastic arms 12512. The inner sleeve structure 1252 contacts the elastic arms 12512 so that the elasticity will not shrink inward; thereby utilizing the cooperation between the outer sleeve structure 1251 and the inner sleeve structure 1252 to facilitate driving the positioning member 122 to slide.

[0116] The insertion slot 1223 facilitates the insertion connection between the driving component 125 and the positioning member 122. The clamping portion 12511 cooperates with the insertion slot 1223. Therefore, the structure of the clamping portion 12511 is adapted to the shape of the insertion slot 1223. For example, in a direction perpendicular to the sliding direction of the positioning member 122, the size of the insertion opening is smaller than that of the insertion slot 1223, so that the clamping portion 12511 can pass through the insertion opening and be inserted into the insertion slot 1223. The insertion slot 1223 is formed on the end face of the positioning member 122; the end face of the positioning member 122 can be understood as the end face of the positioning member 122 on the side away from the first connection hook 121.

[0117] When disassembling the driving component 125, after the inner sleeve structure 1252 is pulled out from the outer sleeve structure 1251, then the outer sleeve structure 1251 is pulled out from the insertion slot 1223, so that the driving component 125 is separated from the positioning member 122.

[0118] The user acts on the elastic arm 12512 to make the elastic arm 12512 fold inward, so that the elastic arm 12512 and the clamping portion 12511 can be pulled out from the insertion slot 1223, realizing the detachable connection between the outer sleeve structure 1251 and the positioning member 122. When the user does not act on the elastic arm 12512, the elastic arm 12512 will not deform; for example, when the outer sleeve structure 1251 is inserted on the positioning member 122 and the user does not act on the elastic arm 12512, the elastic arm 12512 will not come out from the insertion.

[0119] In some examples, in a direction perpendicular to the sliding direction of the positioning member 122, the size of the first notch 1238 is equal to the size of the first installation groove 1231.

[0120] In some examples, see Figure 12 and Figure 13 , in a direction perpendicular to the sliding direction of the positioning member 122, the size of the second notch 1239 is smaller than the size of the first installation groove 1231; at this time, the positioning member 122 may include a connected third sliding rod and a fourth sliding rod. The size of the third sliding rod is larger than that of the fourth sliding rod; the third sliding rod is slidably disposed in the first installation groove 1231, and a part of the fourth sliding rod is located in the second notch 1239. Thus, it can be avoided that the positioning member 122 slides out from the second notch 1239 of the first installation groove 1231. Correspondingly, the first elastic member 124 is a spring, the spring is sleeved on the fourth sliding rod, and one end abuts against the third sliding rail and the other end is connected to the first inner wall 1228 of the first installation groove 1231. The insertion slot 1223 is provided at the end of the fourth sliding rod.

[0121] In some examples, the driving component 125 and the positioning member 122 may be threadedly connected, snap-connected, etc.

[0122] Among them, the clamping part 12511 is fixedly arranged on the elastic arm 12512; for example, the elastic arm 12512 and the clamping part 12511 are of an integral structure. The clamping part 12511 can be semi-circular or polygonal (such as a chamfered polygon). A plurality of elastic arms 12512 are arranged in a circular array on the sleeve 12513.

[0123] In some examples, the inner sleeve structure 1252 may include a connected first sliding rod 12521 and a second sliding rod 12522. When the first sliding rod 12521 is inserted between the clamping parts 12511 of a plurality of elastic arms 12512 through the sleeve 12513, the second sliding rod 12522 is blocked by the sleeve 12513. The first sliding rod 12521 is matched with the sleeve 12513 (such as a clearance fit or an interference fit) so that the first sliding rod 12521 can be accurately inserted between the clamping parts 12511 of a plurality of elastic arms 12512, reducing the shaking of the inner sleeve structure 1252 within the outer sleeve structure 1251. Among them, the diameter of the second sliding rod 12522 is greater than or equal to the outer diameter of the sleeve 12513. The end of the first sliding rod 12521 is hemispherical.

[0124] In some embodiments, referring to Figure 17 and Figure 19 , the first hook assembly further includes a connecting head 126; the positioning member 122 and the first installation groove 1231 enclose a sealing cavity; the connecting head 126 communicates with the sealing cavity; the connecting head 126 is used to increase or decrease the medium in the sealing cavity, drive the positioning member 122 to reciprocate, and the connecting head 126 can seal the sealing cavity.

[0125] In this way, when the medium is increased in the sealing cavity through the connecting head 126, as the medium in the sealing cavity increases, the positioning member 122 is pushed to slide towards the side close to the first connecting hook 121, so that the positioning member 122 can be slidably inserted into the limiting groove 1211. When the positioning member 122 is inserted into the limiting groove 1211, the joint is sealed, so that the positioning member 122 is continuously inserted into the first installation groove 1231 and the limiting groove 1211. When the medium is reduced in the sealing cavity through the connecting head 126, as the medium in the sealing cavity decreases, the external pressure causes the positioning member 122 to slide away from the first connecting hook 121; thus, the positioning member 122 slides out of the limit.

[0126] The connecting head 126 is used to increase or decrease the medium in the sealing cavity and drive the positioning member 122 to reciprocate; it can be understood that when the first connecting hook rotates and hooks on the second hook assembly, the medium in the sealing cavity is increased through the connecting head 126 to drive the positioning member 122 to be inserted into the limiting groove; the medium in the sealing cavity is reduced through the connecting head 126 to drive the positioning member 122 to come out of the limiting groove. Thus, the reciprocating motion of the positioning member 122 is realized.

[0127] The connector 126 can be a connector with sealing ability and capable of being opened or closed. For example, the connector 126 can be a quick connector; the connector 126 can also be a faucet, a valve, etc.

[0128] The medium device is used to supply or extract the medium to / from the sealing cavity through the connector 126. For example, the connector 126 can be connected to an external medium device; or for another example, the connecting mechanism 1 further includes a medium device, and the medium device is arranged on the connecting member 123 and communicated with the connector 126. The medium can be liquid (such as water), gas or solid.

[0129] In some embodiments, the first hook assembly 12 further includes a second elastic member 128; the connecting member 123 further has a channel 1236 and a second installation groove 1237; the first inner wall 1228 of the first installation groove 1231 has a counterbore (in order to distinguish the counterbore on the end face of the positioning member 122 hereinafter, the counterbore on the first inner wall 1228 can be called the first counterbore 1227, and the counterbore on the end face of the positioning member 122 can be called the second counterbore 1226). One end of the second elastic member 128 is arranged in the first counterbore 1227, and the other end is connected to the positioning member 122; one end of the second elastic member 128 is connected to the first inner wall 1228 of the first installation groove 1231, and the other end is connected to the positioning member 122; the second elastic member 128 is used to provide a compressive elastic force to the positioning member 122, and the second elastic member 128 is used to prevent the positioning member 122 from contacting the first inner wall 1228. The connector 126 is arranged in the second installation groove 1237, and the notch of the second installation groove 1237 is opposite to the first notch 1238 of the first installation groove 1231; the connector 126 is communicated with the sealing cavity through the channel 1236.

[0130] In this way, the compressive elastic force of the second elastic member 128 facilitates the sliding of the positioning member 122 towards the side of the first connecting hook 121, and can also prevent the positioning member 122 from colliding with the first inner wall 1228. The provided second installation groove 1237 can avoid the side where the connecting member 123 is connected to, for example, the battery 2, so that the connector 126 in the second installation groove 1237 can be more conveniently connected to the medium device. Since there is a distance between the second installation groove 1237 and the sealing cavity, the connector 126 in the second installation groove 1237 cannot be directly connected to the sealing cavity; therefore, the channel 1236 is adopted to make the connector 126 communicate with the first counterbore 1227. The provided first counterbore 1227 can play a role in installing the second elastic member 128. The first counterbore 1227 on the first inner wall 1228 leaves a space at the first inner wall 1228 of the first installation groove 1231, so as to facilitate the medium to enter the sealing cavity.

[0131] The notch of the second installation groove 1237 faces away from the first notch 1238 of the first installation groove 1231. It can be understood that the connecting member 123 has two opposite surfaces, where the notch of the second installation groove 1237 is located on one surface, and the first notch 1238 of the first installation groove 1231 is located on the other surface. In this embodiment, the first installation groove 1231 may have one notch (i.e., the first notch 1238).

[0132] The second elastic member 128 is disposed between the first inner wall 1228 of the first installation groove 1231 and the end face of the positioning member 122. Among them, the first inner wall 1228 and the end face of the positioning member 122 are disposed opposite to each other. It can be understood that, as Figure 18 shown, the first inner wall 1228 can also be referred to as the bottom wall of the first installation groove 1231.

[0133] In some embodiments, a sealing ring is provided on the positioning member 122, and the sealing ring can be sealingly connected to the groove wall of the first installation groove 1231. Refer to Figure 19 , for example, the positioning member 122 has a groove 1225, and the sealing ring is installed in the groove 1225. The number of sealing rings can be at least one (such as one, or multiple).

[0134] In some examples, the second elastic member 128 can be a spring, a spring piece, etc.

[0135] In some examples, the connecting mechanism 1 further includes at least one plug 127; the channel 1236 has at least one unclosed end; the plug 127 plugs the unclosed end of the channel 1236. In this way, a sealed environment can be formed by the sealing cavity, the channel 1236 and the connecting head 126, so as to facilitate the accurate sliding of the positioning member 122.

[0136] The channel 1236 may include a plurality of sub-channels 1236 intersecting horizontally and vertically, and adjacent two sub-channels 1236 are communicated with each other. Due to process limitations, each formed sub-channel 1236 can only be a straight channel 1236; as a result, some ends of adjacent two sub-channels 1236 are closed and some ends are unclosed (which can be called unclosed ends); the unclosed ends will affect the sealing performance of the sealing cavity; therefore, the plug 127 plugs these unclosed ends. Of course, the unclosed end of the channel 1236 can also be a drainage channel 1236, etc. The plug 127 can be a rubber plug 127 or a metal plug 127.

[0137] In some embodiments, the first inner wall 1228 of the first mounting groove 1231 has a countersunk hole. The first hook assembly 12 further includes a second elastic member 128, one end of the second elastic member 128 is disposed in the first countersunk hole 1227, and the other end is connected to the positioning member 122; and / or the connector 126 is connected to the first countersunk hole 1227. In this way, the first countersunk hole 1227 can play a role in installing the second elastic member 128. The first countersunk hole 1227 on the first inner wall 1228 leaves space at the first inner wall 1228 of the first mounting groove 1231, so that the medium can enter the sealing cavity.

[0138] For example, the first hook component 12 further includes a second elastic member 128, one end of the second elastic member 128 is disposed in the first counterbore 1227, and the other end is connected to the positioning member 122. For another example, the connector 126 is communicated with the first counterbore 1227. For another example, the first hook component 12 further includes a second elastic member 128, one end of the second elastic member 128 is disposed in the first counterbore 1227, and the other end is connected to the positioning member 122; and the connector 126 is communicated with the first counterbore 1227.

[0139] In some examples, connector 126 is in communication with first counterbore 1227 via channel 1236 .

[0140] In some examples, the end surface of the positioning member 122 has a second countersunk hole 1226 ; the other end of the second elastic member 128 is disposed in the second countersunk hole 1226 .

[0141] In some embodiments, see Figure 20 , the second hook component 11 is a fixed structure. The second hook component 11 has a groove 111, or the second hook component 11 includes a second connecting hook. In this way, the first hook component 12 rotates, and the second hook component 11 does not rotate. Through the rotation of the first hook component 12, the first connecting hook 121 is hooked on the second hook component 11.

[0142] The second hook component 11 is a fixed structure, which can be understood as that all components of the second hook component 11 are fixedly connected. For example, when the second hook component 11 has a groove 111, the second hook component 11 can be called a fixed body 112, and the fixed body 112 has a groove 111. The fixed body 112 can be a block-shaped, and the block-shaped structure can have a large structural strength of the hook groove, and it is also convenient to connect with, for example, the battery 2 or the frame 3. Of course, the fixed body 112 can also be other shapes, such as a plate. For another example, when the second hook component 11 includes a second connecting hook, the shape of the second connecting hook can refer to the relevant description of the first connecting hook.

[0143] The first connecting hook 121 is adapted to the second connecting hook or the groove 111 , and therefore, the description of the groove 111 or the second connecting hook may refer to the related description of the first connecting hook 121 .

[0144] In some examples, the second hook assembly 11 is a rotating structure. At this time, the structure of the second hook assembly 11 may be the same as that of the first hook assembly 12; the description of the second hook assembly 11 may refer to the relevant description of the first hook assembly 12. Of course, the structure of the second hook assembly 11 may also be different from that of the first hook assembly 12.

[0145] In some embodiments, the second hook assembly 11 includes a fixing body 112 and a buffer layer 113, and the buffer layer 113 is disposed in the groove 111. In this way, the provided buffer layer 113 can reduce the friction between the first hook assembly 12 and the groove 111.

[0146] The material of the buffer layer 113 may be a buffer material, such as buffer foam, sponge, etc.

[0147] In some embodiments, the second hook assembly 11 has a groove 111, and the inner surface of the groove 111 and the outer surface of the first connecting hook 121 are both arc-shaped surfaces. The inner surface of the groove 111 and the outer surface of the first connecting hook 121 cooperate to guide the first connecting hook 121 to rotate and hook in the groove 111. In this way, as the inner surface of the groove 111 and the outer surface of the first connecting hook 121, the first connecting hook 121 rotates relative to the connecting member, and the first connecting hook 121 is hooked in the groove 111.

[0148] The outer surface of the first connecting hook 121 may include the above-mentioned first curved surface and second curved surface, and the groove 111 may include a connected third curved surface and fourth curved surface, the third curved surface is adapted to the first curved surface, and the fourth curved surface is adapted to the second curved surface. At this time, the first curved surface, the second curved surface, the third curved surface and the fourth curved surface are all arc-shaped. For example, the outer surface of the first connecting hook 121 may refer to Figure 10 the first hook assembly shown, and the inner surface of the groove 111 may refer to Figure 20 the second hook assembly shown.

[0149] The embodiment of the present application further provides a vehicle, see Figure 21 and Figure 22 , the vehicle includes a vehicle frame 3 and a battery device; wherein, the connecting mechanism 1 includes a first hook assembly 12, and the second hook assembly 11 is disposed on the vehicle frame 3; or, the connecting mechanism 1 includes the second hook assembly 11, and the first hook assembly 12 is disposed on the vehicle frame 3. In this way, the first hook assembly 12 and the second hook assembly 11 are hooked, so that the battery 2 is installed on the vehicle frame 3. The first hook assembly 12 and the second hook assembly 11 are decoupled, so that the battery 2 is removed from the vehicle frame 3.

[0150] For example, the connecting mechanism 1 includes a first hook assembly 12. The first hook assembly 12 is connected to the battery 2, and the second hook assembly 11 is connected to the vehicle frame 3. Another example is that the connecting mechanism 1 includes a second hook assembly 11. The second hook is connected to the battery 2, and the first hook assembly 12 is connected to the vehicle frame 3.

[0151] The vehicle can be a new energy vehicle such as a pure electric vehicle, a hybrid vehicle, or an extended-range electric vehicle. The vehicle can also include an electronic component 4; the electronic component 4 is installed on the vehicle frame 3; the battery 2 is installed on the vehicle frame 3 through the connecting mechanism 1. The battery 2 is electrically connected to the electronic component 4 to supply power to the electronic component 4 of the vehicle so that the electronic component 4 can operate. For example, the electronic component 4 can be a lamp (such as a headlamp, a taillight, etc.), a display screen, an instrument panel, a control system (such as a controller), etc. The controller can be a Central Processing Unit (CPU), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. For example, the vehicle can also include a front wheel and a rear wheel, and the front wheel and the rear wheel are installed on the vehicle frame 3.

[0152] The following embodiments provide a connecting mechanism. The connecting mechanism 1 in the following embodiments is partially the same as and partially different from the connecting mechanism 1 of the above battery device. When there are the same features between the two, the description of the features and effects of the connecting mechanism in the following embodiments can refer to the relevant description of the same features and effects of the connecting mechanism 1 of the above battery device; when there are different features corresponding to the two, the connecting mechanism 1 in the following embodiments will be re-defined and described without referring to the description of the connecting mechanism 1 of the above battery device. For example, the connecting mechanism in the following embodiments can include a first hook assembly 12 and a second hook assembly 11; while the connecting mechanism 1 of the above battery device includes a first hook assembly 12 or a second hook assembly 11; such that the effects of the connecting mechanism 1 in the following embodiments are naturally different from the effects of the connecting mechanism 1 of the above battery device. However, for example, the structure of the first hook assembly 12 of the connecting mechanism 1 in the following embodiments can refer to the relevant description of the structure of the first hook assembly 12 of the connecting mechanism 1 of the above battery device. For example, the structure of the second hook assembly 11 of the connecting mechanism 1 in the following embodiments can refer to the relevant description of the structure of the second hook assembly 11 of the connecting mechanism 1 of the above battery device. Another example is that, for example, the cooperation between the first hook assembly 12 and the second hook assembly 11 of the connecting mechanism 1 in the following embodiments can refer to the relevant description of the cooperation between the first hook assembly 12 and the second hook assembly 11 of the connecting mechanism 1 of the above battery device.

[0153] See Figures 2 - 9 , the connecting mechanism 1 includes a first hook assembly 12 and a second hook assembly 11 that cooperate with each other. See Figure 10, the first hook assembly 12 includes a first connecting hook 121, a connecting member 123, and a positioning member 122; the first connecting hook 121 is rotatably provided on the connecting member 123; the first connecting hook 121 cooperates with the second hook assembly 11. When the first connecting hook 121 rotates and hooks onto the second hook assembly 11, the positioning member 122 is connected to both the first connecting hook 121 and the connecting member 123, and the positioning member 122 is used to limit the rotation of the first connecting hook 121. The positioning member 122 is also used to release the restriction on the first connecting hook 121, and the first connecting hook 121 rotates and disengages from the second hook assembly 11.

[0154] In this way, by using the rotation of the first connecting hook 121 relative to the connecting member 123, the first connecting hook 121 hooks onto the second hook assembly 11, or the first connecting hook 121 disengages from the second hook assembly 11. When the first connecting hook 121 hooks onto the second hook assembly 11, the positioning member 122 is connected to both the first connecting hook 121 and the connecting member 123, so that the positioning member 122 can limit the rotation of the first connecting hook 121, thereby firmly hooking the first connecting hook 121 onto the second hook assembly 11. When it is necessary to separate the first connecting hook 121 from the second hook assembly 11, the positioning member 122 is separated from the first connecting hook 121 and / or the connecting member 123 to release the restriction of the positioning member 122 on the first connecting hook 121; rotate the first connecting hook 121 so that the first connecting hook 121 disengages from the second hook assembly 11.

[0155] The connecting mechanism 1 can be applied to the battery field and can also be applied to other fields such as the vehicle field. The connecting mechanism 1 can have a hooked state and a disengaged state. Figures 2 - 5 A schematic diagram showing the disengaged state of the first hook assembly 12 and the second hook assembly 11; Figures 6 - 9 A schematic diagram showing the hooked state of the first hook assembly 12 and the second hook assembly 11. The first hook assembly 12 and the second hook assembly 11 can be hooked, so the first hook assembly 12 (or the first connecting hook 121) is adapted to the second hook assembly 11.

[0156] In some embodiments, continue to refer to Figure 10 , the first hook assembly 12 further includes a reset member 129; the reset member 129 is provided on the connecting member 123; when the first connecting hook 121 rotates and hooks onto the second hook assembly 11, the first connecting hook 121 forces the reset member 129 to generate a reset force. When the positioning member 122 releases the restriction on the first connecting hook 121, the reset force of the reset member 129 disengages the first connecting hook 121 from the second hook assembly 11.

[0157] In this way, when the first connecting hook 121 rotates and hooks onto the second hook assembly 11, due to the rotation of the first connecting hook 121, the first connecting hook 121 presses against the reset member 129, forcing the reset member 129 to generate a reset force. When the positioning member 122 releases the restriction on the first connecting hook 121, the reset force of the reset member 129 is used to rotate the first connecting hook 121, thereby decoupling and separating the first connecting hook 121 from the second hook assembly 11.

[0158] In some embodiments, the reset member 129 includes an elastic plate and / or a torsion spring (for example, the reset member 129 includes an elastic plate, or the reset member 129 includes a torsion spring, or the reset member 129 includes an elastic plate and a torsion spring). Continuing to refer to Figure 10 , a part of the elastic plate is arranged on the connecting member 123, and the other part of the elastic plate faces the first connecting hook 121; when the first connecting hook 121 rotates and hooks onto the second hook assembly 11, the first connecting hook 121 presses against the other part of the elastic plate to generate a reset force. One end of the torsion spring is connected to the first connecting hook 121, and the other end is connected to the connecting member 123; and the axis of the torsion spring coincides with the rotation axis of the first connecting hook 121; when the first connecting hook 121 rotates and hooks onto the second hook assembly 11, one end of the torsion spring rotates with the first connecting hook 121 to generate a reset force. In this way, the elastic plate and the torsion spring can be used to generate a reset force.

[0159] In some embodiments, the positioning member 122 is movably arranged in the first installation groove 1231; the first connecting hook 121 has a limiting groove 1211. When the first connecting hook 121 rotates and hooks onto the second hook assembly 11, the limiting groove 1211 of the first connecting hook 121 is aligned with the first installation groove 1231, and a part of the positioning member 122 is inserted into the limiting groove 1211. When the positioning member 122 is removed from the limiting groove 1211, the reset force of the reset member 129 decouples the first connecting hook 121 from the second hook assembly 11.

[0160] In this way, when the first connecting hook 121 rotates and hooks onto the second hook assembly 11, the positioning member 122 moves from the first installation groove 1231 to the limiting groove 1211, so that the positioning member 122 is located in both the first installation groove 1231 and the limiting groove 1211, thereby using the positioning member 122 to restrict the rotation of the first connecting hook 121. When the first connecting hook 121 is decoupled and separated from the second hook assembly 11, the positioning member 122 moves from the limiting groove to the first installation groove 1231, and the whole of the positioning member 122 is located in the first installation groove 1231, thereby decoupling and separating the first connecting hook 121 from the second hook assembly 11. Among them, the positioning member 122 functions to restrict the rotation of the first connecting hook 121, or to release the restriction on the rotation of the first connecting hook 121. The reset member 129 is used to rotate the first connecting hook 121 and decouple and separate the first connecting hook 121 from the second hook assembly 11 when the whole of the positioning member 122 is located in the first installation groove 1231.

[0161] In some embodiments, the positioning member 122 is slidably disposed in the first mounting groove 1231; the sliding direction of the positioning member 122 intersects (e.g., is perpendicular to) the rotation axis of the first connecting hook 121. In this way, it is convenient for the connecting member 123 to be connected to the battery 2 or the vehicle frame 3, and the interference of the battery 2 or the vehicle frame 3 on the positioning member 122 can also be reduced.

[0162] In some embodiments, continue to refer to Figure 10 , the first hook assembly 12 further includes a limiting member 1212; the limiting member 1212 is connected to the first connecting hook 121. When the first connecting hook 121 rotates until the limiting member 1212 is blocked by the connecting member 123, the first mounting groove 1231 is aligned with the limiting groove 1211. In this way, when the limiting member 1212 is blocked by the connecting member 123, it is convenient for the positioning member 122 to be quickly inserted into the aligned first mounting groove 1231 and limiting groove 1211.

[0163] In some embodiments, refer to Figure 10 and Figure 13 , the first hook assembly 12 further includes a driving assembly 125; the driving assembly 125 is connected to the positioning member 122; the driving assembly 125 is used to drive the positioning member 122 to slide away from the first connecting hook 121. In this way, the driving assembly 125 can drive the positioning member 122 to slide away from the first connecting hook 121, so that the positioning member 122 slides from the limiting groove 1211 into the first mounting groove 1231, thereby releasing the restriction on the rotation of the first connecting hook 121, and enabling the first connecting hook 121 to be decoupled and separated from the second hook assembly 11.

[0164] In some embodiments, continue to refer to Figure 10 , the first hook assembly 12 further includes a first elastic member 124; the positioning member 122 is slidably disposed in the first mounting groove 1231 through the first elastic member 124; the first elastic member 124 is used to drive the positioning member 122 to slide and be inserted into the limiting groove 1211. In this way, the first elastic member 124 can be used to keep the positioning member 122 continuously inserted into the limiting groove 1211, so as to facilitate the positioning member 122 to continuously restrict the rotation of the first connecting hook 121, so that the first connecting hook 121 and the second hook assembly 11 can be hooked for a long time.

[0165] The reciprocating sliding of the positioning member 122 is realized by using two structures of the first elastic member 124 and the driving assembly 125. Thus, when one of the first elastic member 124 and the driving assembly 125 fails, it will not affect the use of the other.

[0166] In addition, when the first connecting hook 121 is decoupled from the second hook assembly 11, the first elastic member 124 can also cause the positioning member 122 to abut against the first connecting hook 121, so as to reduce the shaking of the positioning member 122 in the first installation groove 1231.

[0167] In some examples, the driving assembly 125 is further configured to drive the positioning member 122 to slide toward the side close to the first connecting hook 121, so that the positioning member 122 is slidably inserted into the limiting groove 1211. The reciprocating sliding of the positioning member 122 is realized by using a structure of the driving assembly 125. For example, the driving assembly 125 can be a hydraulic telescopic mechanism, a pneumatic telescopic mechanism, an electric push rod, etc.

[0168] In some embodiments, referring to Figure 12 , the first installation groove 1231 has a first notch 1238 and a second notch 1239; the first elastic member 124 is configured to drive the positioning member 122 to pass through the first notch 1238 and be inserted into the limiting groove 1211; the driving assembly 125 passes through the second notch 1239 and is detachably connected to the positioning member 122. In this way, the provided second notch 1239 exposes the positioning member 122, so that the driving assembly 125 can be detachably connected to the positioning member 122. In addition, when the positioning member 122 is inserted into the first installation groove 1231 and the limiting groove 1211, the driving assembly 125 is separated from the positioning member 122, which can reduce the weight of the connecting mechanism 1 and can also solve the problem that the positioning member 122 slides out of the limiting groove 1211 due to a malfunction caused by accidentally touching the driving assembly 125.

[0169] In some embodiments, the positioning member 122 has a communicating insertion port and an insertion groove 1223; the driving assembly 125 includes a clamping portion 12511, and the clamping portion 12511 passes through the insertion port and is inserted into the insertion groove 1223 and is engaged with the insertion groove 1223. In this way, the provided insertion groove 1223 facilitates the insertion connection between the driving assembly 125 and the positioning member 122.

[0170] In some embodiments, referring to Figures 13 - 15 , the driving assembly 125 includes an outer sleeve structure 1251; the outer sleeve structure 1251 includes a sleeve 12513 and a plurality of elastic arms 12512; the plurality of elastic arms 12512 are arranged at intervals on the sleeve 12513; a clamping portion 12511 is convexly provided on the outer wall of the elastic arm 12512. When the plurality of clamping portions 12511 are retracted inward and pass through the insertion port and move into the insertion groove 1223, the plurality of elastic arms 12512 are reset, so that the plurality of clamping portions 12511 are restricted from moving by the insertion groove 1223. In this way, the outer sleeve structure 1251 can drive the positioning member 122 to slide, so that the positioning member 122 slides out of the limiting groove 1211. The plurality of elastic arms 12512 are arranged at intervals, which facilitates the inward retraction and outward reset of the plurality of elastic arms 12512.

[0171] In addition, the user acts on the elastic arm 12512, causing the elastic arm 12512 to fold inward, so that the elastic arm 12512 and the clamping portion 12511 can be pulled out from the insertion slot 1223, realizing the detachable connection between the outer sleeve structure 1251 and the positioning member 122. When the user does not act on the elastic arm 12512, the elastic arm 12512 will not deform; for example, when the outer sleeve structure 1251 is inserted into the positioning member 122 and the user does not act on the elastic arm 12512, the elastic arm 12512 will not come out of the insertion.

[0172] In some embodiments, the driving assembly 125 further includes an inner sleeve structure 1252 detachably connected to the outer sleeve structure 1251; the inner sleeve structure 1252 passes through the sleeve 12513 and is inserted between a plurality of elastic arms 12512, and is used to limit the inward folding of the plurality of clamping portions 12511. In this way, the outer sleeve structure 1251 and the inner sleeve structure 1252 can be detachably arranged. After the outer sleeve structure 1251 is inserted into the insertion slot 1223, the inner sleeve structure 1252 is inserted between a plurality of elastic arms 12512, and the inner sleeve structure 1252 contacts the elastic arms 12512, so that the elasticity will not fold inward; thus, by the cooperation of the outer sleeve structure 1251 and the inner sleeve structure 1252, it is convenient to drive the positioning member 122 to slide.

[0173] In some embodiments, refer to Figure 17 and Figure 18 , the first hook assembly 12 further includes a connection head 126; the positioning member 122 and the first installation groove 1231 enclose a sealing cavity; the connection head 126 communicates with the sealing cavity; the connection head 126 is used to increase or decrease the medium in the sealing cavity, driving the positioning member 122 to reciprocate; the connection head 126 can seal the sealing cavity. In this way, when the medium is increased in the sealing cavity through the connection head 126, as the medium in the sealing cavity increases, the positioning member 122 is pushed to slide toward the side close to the first connection hook 121, so that the positioning member 122 can be slidably inserted into the limit groove 1211. When the positioning member 122 is inserted into the limit groove 1211, the joint is sealed, so that the positioning member 122 is continuously inserted into the first installation groove 1231 and the limit groove 1211. When the medium is decreased in the sealing cavity through the connection head 126, as the medium in the sealing cavity decreases, the external pressure causes the positioning member 122 to slide away from the first connection hook 121; thus, the positioning member 122 slides out of the limit.

[0174] In some embodiments, the connecting member 123 further has a channel 1236 and a second mounting groove 1237; the connecting head 126 is disposed in the second mounting groove 1237, and the notch of the second mounting groove 1237 faces away from the first notch 1238 of the first mounting groove 1231; the connecting head 126 communicates with the sealing cavity through the channel 1236. In this way, the provided second mounting groove 1237 can avoid the side of the connecting member 123 connected to, for example, the battery 2, so that the connecting head 126 in the second mounting groove 1237 can be more conveniently connected to the medium device. Since there is a distance between the second mounting groove 1237 and the sealing cavity, the connecting head 126 in the second mounting groove 1237 cannot be directly connected to the sealing cavity; therefore, the channel 1236 is adopted to make the connecting head 126 communicate with the sealing cavity.

[0175] The notch of the second mounting groove 1237 faces away from the first notch 1238 of the first mounting groove 1231. It can be understood that the connecting member 123 has two opposite surfaces, and the notch of the second mounting groove 1237 is located on one surface, and the first notch 1238 of the first mounting groove 1231 is located on the other surface. In this embodiment, the first mounting groove 1231 may have one notch (i.e., the first notch 1238).

[0176] In some embodiments, the connecting mechanism 1 further includes at least one plug 127; the channel 1236 has at least one unclosed end; the plug 127 plugs the unclosed end of the channel 1236. In this way, the sealing cavity, the channel 1236 and the connecting head 126 can form a sealed environment to facilitate the accurate sliding of the positioning member 122.

[0177] The channel 1236 may include a plurality of sub-channels 1236 intersecting horizontally and vertically, and adjacent two sub-channels 1236 communicate with each other. Due to process limitations, each formed sub-channel 1236 can only be a straight channel 1236; as a result, some ends of adjacent two sub-channels 1236 are closed and some ends are unclosed (which can be called unclosed ends); the unclosed ends will affect the sealing performance of the sealing cavity; therefore, the plugs 127 plug these unclosed ends. Of course, the unclosed end of the channel 1236 can also be a drainage channel 1236 or the like. The plug 127 can be a rubber plug 127 or a metal plug 127.

[0178] In some embodiments, the first hook assembly 12 further includes a second elastic member 128; one end of the second elastic member 128 is connected to the first inner wall 1228 of the first installation groove 1231, and the other end is connected to the positioning member 122; the second elastic member 128 is configured to provide a compressive elastic force to the positioning member 122, and / or the second elastic member 128 is configured to prevent the positioning member 122 from contacting the first inner wall 1228. In this way, the compressive elastic force of the second elastic member 128 facilitates the sliding of the positioning member 122 towards the side of the first connecting hook 121, and can also prevent the positioning member 122 from colliding with the first inner wall 1228.

[0179] For example, the second elastic member 128 is configured to provide a compressive elastic force to the positioning member 122. For another example, the second elastic member 128 is configured to prevent the positioning member 122 from contacting the first inner wall 1228. For yet another example, the second elastic member 128 is configured to provide a compressive elastic force to the positioning member 122 and is configured to prevent the positioning member 122 from contacting the first inner wall 1228.

[0180] In some embodiments, the first inner wall 1228 of the first installation groove 1231 has a counterbore (in order to distinguish the counterbore on the end face of the positioning member 122 hereinafter, the counterbore on the first inner wall 1228 may be referred to as the first counterbore 1227, and the counterbore on the end face of the positioning member 122 may be referred to as the second counterbore 1226). Wherein, the first hook assembly 12 further includes a second elastic member 128, one end of the second elastic member 128 is disposed in the first counterbore 1227, and the other end is connected to the positioning member 122; and / or the connecting head 126 communicates with the first counterbore 1227. In this way, the provided first counterbore 1227 can function to install the second elastic member 128. The first counterbore 1227 on the first inner wall 1228 leaves a space at the first inner wall 1228 of the first installation groove 1231, so as to facilitate the medium to enter the sealing cavity.

[0181] For example, the first hook assembly 12 further includes a second elastic member 128, one end of the second elastic member 128 is disposed in the first counterbore 1227, and the other end is connected to the positioning member 122. For another example, the connecting head 126 communicates with the first counterbore 1227. For yet another example, the first hook assembly 12 further includes a second elastic member 128, one end of the second elastic member 128 is disposed in the first counterbore 1227, and the other end is connected to the positioning member 122; and the connecting head 126 communicates with the first counterbore 1227.

[0182] In some embodiments, a sealing ring is provided on the positioning member 122, and the sealing ring can be sealingly connected to the groove wall of the first installation groove 1231. Refer to Figure 19 , for example, the positioning member 122 has a groove 1225, and the sealing ring is installed in the groove 1225. The number of sealing rings can be at least one (such as one, or multiple for another example).

[0183] In some embodiments, referring to Figure 20 , the second hook assembly 11 is a fixed structure. The second hook assembly 11 has a groove 111, or the second hook assembly 11 includes a second connecting hook. In this way, the first hook assembly 12 rotates while the second hook assembly 11 does not rotate. By the rotation of the first hook assembly 12, the first connecting hook 121 is hooked onto the second hook assembly 11.

[0184] In some embodiments, the second hook assembly 11 includes a fixing body 112 and a buffer layer 113. The fixing body 112 has a groove 111, and the buffer layer 113 is disposed in the groove 111. In this way, the provided buffer layer 113 can reduce the friction between the first hook assembly 12 and the groove 111.

[0185] In some embodiments, the second hook assembly 11 has a groove 111, and both the inner surface of the groove 111 and the outer surface of the first connecting hook 121 are arc-shaped surfaces. The inner surface of the groove 111 and the outer surface of the first connecting hook 121 cooperate to guide the rotation of the first connecting hook 121 and hook it into the groove 111. In this way, along with the inner surface of the groove 111 and the outer surface of the first connecting hook 121, the first connecting hook 121 rotates relative to the connecting member, and the first connecting hook 121 is hooked into the groove 111.

[0186] The above are only the embodiments of the present application, and do not limit the patent protection scope of the present application. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present application, or directly or indirectly applied in other related technical fields, shall be included in the patent protection scope of the present application by the same token.

Claims

1. A battery device, characterized in that: It includes a battery and a connecting mechanism; the connecting mechanism includes: A first hook component; the first hook component is disposed on the battery and is used to cooperate with the second hook component; or, A second hook component; the second hook component is disposed on the battery and is used to cooperate with the first hook component; The first hook component can be rotated to hook with the second hook component, and the first hook component can be rotated to disengage with the second hook component.

2. The battery device according to claim 1, characterized in that: The first hook assembly includes a first connecting hook, a connecting member and a positioning member; the first connecting hook is rotatably arranged on the connecting member; the first connecting hook cooperates with the second hook assembly; When the first connecting hook is rotated and hooked on the second hook component, the positioning member is connected to both the first connecting hook and the connecting member, and the positioning member is used to limit the rotation of the first connecting hook; the positioning member is also used to release the restriction on the first connecting hook, and the first connecting hook rotates and is unhooked from the second hook component.

3. The battery device according to claim 2, characterized in that: The first hook assembly includes a reset member; the reset member is arranged on the connecting member; Wherein, when the first connecting hook is rotated to hook onto the second hook component, the first connecting hook forces the resetting member to generate a resetting force; When the positioning member releases the restriction on the first connecting hook, the restoring force of the restoring member decouples the first connecting hook from the second hook assembly.

4. The battery device according to claim 3, characterized in that: The reset element comprises: An elastic plate; a portion of the elastic plate is disposed on the connecting member, and another portion of the elastic plate is opposite to the first connecting hook; wherein when the first connecting hook is rotated and hooked to the second hook component, the first connecting hook squeezes the other portion of the elastic plate to generate a reset force; and / or, Torsion spring; one end of the torsion spring is connected to the first connecting hook, and the other end is connected to the connecting member; wherein, when the first connecting hook rotates and hooks onto the second hook assembly, one end of the torsion spring rotates with the first connecting hook to generate a reset force.

5. The battery device according to claim 2, characterized in that: The connecting member has a first installation groove; the positioning member is movably arranged in the first installation groove; the first connecting hook has a limiting groove; When the first connecting hook is rotated to hook onto the second hook assembly, the limiting groove of the first connecting hook is aligned with the first installation groove, and part of the positioning member is inserted into the limiting groove; when the positioning member is removed from the limiting groove, the first connecting hook is decoupled from the second hook assembly.

6. The battery device according to claim 5, characterized in that: The positioning member is slidably disposed in the first installation groove; the sliding direction of the positioning member intersects with the rotation axis of the first connecting hook.

7. The battery device according to claim 5, characterized in that: The first hook assembly further includes a driving assembly and a first elastic member; the positioning member is slidably disposed in the first mounting groove through the first elastic member; The first mounting slot has a first slot and a second slot; the driving assembly is detachably connected to the positioning member through the second slot, and the driving assembly is used to drive the positioning member to slide to a side away from the first connecting hook; the first elastic member is used to drive the positioning member to pass through the first slot and be inserted into the limiting slot.

8. The battery device according to claim 7, characterized in that: The driving assembly comprises an inner sleeve structure and an outer sleeve structure which are detachably connected; the positioning member has a connecting plug interface and a connecting slot; the outer sleeve structure comprises a sleeve and a plurality of elastic arms; the plurality of elastic arms are arranged on the sleeve at intervals; the outer wall of the elastic arm is provided with a clamping portion protruding outward; Among them, when the multiple clamping parts are used to be retracted inwardly through the plug interface and plugged into the plug slot, the multiple elastic arms are reset, and the multiple clamping parts are restricted from moving by the plug slot; the inner sleeve structure is used to pass through the sleeve and be inserted between the multiple elastic arms, and restrict the multiple clamping parts from retracting inwardly.

9. The battery device according to claim 5, characterized in that: The first hook assembly also includes a connecting head; the positioning member and the first mounting groove form a sealed cavity; the connecting head is connected to the sealed cavity; the connecting head is used to increase or decrease the medium in the sealed cavity and drive the positioning member to reciprocate; the connecting head can seal the sealed cavity.

10. The battery device according to claim 9, characterized in that: The connecting mechanism further comprises a second elastic member; the connecting member further comprises a channel and a second mounting groove; The first inner wall of the first mounting groove has a countersunk hole; one end of the second elastic member is disposed in the countersunk hole, and the other end is connected to the positioning member; the second elastic member is used to provide a compressive elastic force to the positioning member and prevent the positioning member from contacting the first inner wall; The connecting head is arranged in the second installation groove, and the notch of the second installation groove is opposite to the first notch of the first installation groove; the connecting head is connected with the counterbore through the channel.

11. The battery device according to claim 10, characterized in that: The connection mechanism further includes at least one plug; the channel has at least one unclosed end; and the plug is sealed at the unclosed end of the channel.

12. The battery device according to claim 10, characterized in that: The first inner wall of the first mounting groove has a countersunk hole; Wherein, the first hook assembly further includes a second elastic member, one end of the second elastic member is disposed in the countersunk hole, and the other end is connected to the positioning member; and / or, The connector is communicated with the counterbore.

13. The battery device according to any one of claims 1 to 12, characterized in that: The second hook component is a fixed structure; Wherein, the second hook component has a groove, or the second hook component includes a second connecting hook.

14. The battery device according to any one of claims 1 to 12, characterized in that: The second hook component includes a fixing body and a buffer layer; the fixing body has a groove; and the buffer layer is arranged in the groove.

15. The battery device according to any one of claims 1 to 12, characterized in that: The second hook component has a groove, and the inner surface of the groove and the outer surface of the first connecting hook of the first hook component are both arc-shaped surfaces; The inner surface of the groove cooperates with the outer surface of the first connecting hook to guide the first connecting hook to rotate and hook into the groove.

16. A vehicle, characterized in that: A vehicle comprising a frame and a battery device as claimed in any one of claims 1 to 15; Wherein, the connecting mechanism includes the first hook component, and the second hook component is arranged on the frame; or, the connecting mechanism includes the second hook component, and the first hook component is arranged on the frame.

17. A connecting mechanism, characterized in that: including a first hook component and a second hook component that cooperate; The first hook assembly includes a first connecting hook, a connecting member and a positioning member; the first connecting hook is rotatably arranged on the connecting member; the first connecting hook cooperates with the second hook assembly; When the first connecting hook rotates and hooks with the second hook component, the positioning member is connected to both the first connecting hook and the connecting member, and the positioning member is used to limit the rotation of the first connecting hook; the positioning member is also used to release the restriction of the first connecting hook, and the first connecting hook rotates and is unhooked from the second hook component.

18. The connection mechanism according to claim 17, characterized in that: The first hook assembly includes a reset member; the reset member is arranged on the connecting member; Wherein, when the first connecting hook is rotated to hook onto the second hook component, the first connecting hook forces the resetting member to generate a resetting force; When the positioning member releases the restriction on the first connecting hook, the restoring force of the restoring member decouples the first connecting hook from the second hook assembly.

19. The connection mechanism according to claim 18, characterized in that: The reset element comprises: An elastic plate; a portion of the elastic plate is disposed on the connecting member, and another portion of the elastic plate is opposite to the first connecting hook; wherein when the first connecting hook is rotated and hooked to the second hook component, the first connecting hook squeezes the other portion of the elastic plate to generate a reset force; and / or, Torsion spring; one end of the torsion spring is connected to the first connecting hook, and the other end is connected to the connecting member; wherein, when the first connecting hook rotates and hooks onto the second hook assembly, one end of the torsion spring rotates with the first connecting hook to generate a reset force.

20. The connection mechanism according to claim 17, characterized in that: The connecting member has a first installation groove; the positioning member is movably arranged in the first installation groove; the first connecting hook has a limiting groove; When the first connecting hook is rotated to hook onto the second hook assembly, the limiting groove of the first connecting hook is aligned with the first installation groove, and part of the positioning member is inserted into the limiting groove; when the positioning member is removed from the limiting groove, the first connecting hook is decoupled from the second hook assembly.

21. The connection mechanism according to claim 20, characterized in that: The positioning member is slidably disposed in the first installation groove; the sliding direction of the positioning member intersects with the rotation axis of the first connecting hook.

22. The connection mechanism according to claim 20, characterized in that: The first hook assembly further includes a limiting member; the limiting member is connected to the first connecting hook; Wherein, when the first connecting hook rotates to be blocked by the limiting member, the first installation groove is aligned with the limiting groove.

23. The connection mechanism according to claim 20, characterized in that: The first hook assembly also includes a driving assembly; the driving assembly is connected to the positioning member; the driving assembly is used to drive the positioning member to slide to a side away from the first connecting hook.

24. The connection mechanism according to claim 23, characterized in that: The first hook assembly also includes a first elastic member; the positioning member is slidably disposed in the first installation groove through the first elastic member; the first elastic member is used to drive the positioning member to slide and be inserted into the limiting groove.

25. The connection mechanism according to claim 24, characterized in that: The first installation slot has a first slot and a second slot; the first elastic member is used to drive the positioning member to pass through the first slot and be inserted into the limiting slot; the driving assembly is used to pass through the second slot and be detachably connected to the positioning member.

26. The connection mechanism according to claim 25, characterized in that: The positioning member has a connected plug interface and a plug slot; the driving assembly includes a clamping portion; the clamping portion is used to pass through the plug interface and be plugged into the plug slot, and to be clamped with the plug slot.

27. The connection mechanism according to claim 26, characterized in that: The driving assembly comprises a jacket structure; the jacket structure comprises a sleeve and a plurality of elastic arms; the plurality of elastic arms are arranged on the sleeve at intervals; the outer wall of the elastic arm is provided with the clamping portion protruding outwardly; When the plurality of the clamping parts are retracted inwardly and move through the plug-in interface to the plug-in slot, the plurality of the elastic arms are reset, so that the movement of the plurality of the clamping parts is restricted by the plug-in slot.

28. The connection mechanism according to claim 27, characterized in that: The driving assembly also includes an inner sleeve structure detachably connected to the outer sleeve structure; the inner sleeve structure is used to pass through the sleeve and be inserted between the multiple elastic arms, and is used to limit the multiple clamping parts from retracting inwards.

29. The connection mechanism according to claim 20, characterized in that: The first hook assembly also includes a connecting head; the positioning member and the first mounting groove form a sealed cavity; the connecting head is connected to the sealed cavity; the connecting head is used to increase or decrease the medium in the sealed cavity and drive the positioning member to reciprocate; the connecting head can seal the sealed cavity.

30. The connection mechanism according to claim 29, characterized in that: The connecting member also has a channel and a second mounting groove; the connecting head is arranged in the second mounting groove, and the notch of the second mounting groove is opposite to the first notch of the first mounting groove; the connecting head is connected with the sealing cavity through the channel.

31. The connection mechanism according to claim 30, characterized in that: The connection mechanism further includes at least one plug; the channel has at least one unclosed end; and the plug is sealed at the unclosed end of the channel.

32. The connection mechanism according to claim 29, characterized in that: The first hook assembly further includes a second elastic member; one end of the second elastic member is connected to the first inner wall of the first mounting groove, and the other end is connected to the positioning member; Wherein, the second elastic member is used to provide a compressive elastic force to the positioning member; and / or, the second elastic member is used to prevent the positioning member from contacting the first inner wall.

33. The connection mechanism according to claim 29, characterized in that: The first inner wall of the first mounting groove has a countersunk hole; Wherein, the first hook assembly further includes a second elastic member, one end of the second elastic member is disposed in the countersunk hole, and the other end is connected to the positioning member; and / or, The connector is communicated with the counterbore.

34. The connection mechanism according to any one of claims 17 to 33, characterized in that: The second hook component is a fixed structure; Wherein, the second hook component has a groove, or the second hook component includes a second connecting hook.

35. The connection mechanism according to any one of claims 17 to 33, characterized in that: The second hook component includes a fixing body and a buffer layer; the fixing body has a groove; and the buffer layer is arranged in the groove.

36. The connection mechanism according to any one of claims 17 to 33, characterized in that: The second hook component has a groove, and the inner surface of the groove and the outer surface of the first connecting hook are both arc-shaped surfaces; The inner surface of the groove cooperates with the outer surface of the first connecting hook to guide the first connecting hook to rotate and hook into the groove.

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