CN218316230U

CN218316230U - Lock body subassembly, battery package, locking mechanism and vehicle

Info

Publication number: CN218316230U
Application number: CN202222233369.XU
Authority: CN
Inventors: 贾金龙; 蒋舒; 周肖鸿
Original assignee: Weilai Automobile Technology Anhui Co Ltd
Current assignee: Weilai Automobile Technology Anhui Co Ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-17
Anticipated expiration: 2032-08-24
Also published as: WO2024041203A1

Abstract

The utility model relates to an electric automobile technical field, concretely relates to lock body subassembly, battery package, locking mechanism and vehicle. This application aims at solving the complicated problem of current lock body subassembly structure. To this end, the lock body assembly of the present application includes: the mounting seat is of a cylindrical structure, and a mounting hole is formed in the top of the mounting seat; the connecting piece, the connecting piece has operation portion and fastening portion that connects each other, and operation portion sets up in the mount pad with freely sliding, and the lower part of operation portion can with locking the release head butt joint, and fastening portion includes locking section and linking section, and the one end and the operation portion of linking section are connected, and the other end of linking section passes the mounting hole and is connected with the locking section, and wherein, the connecting piece is set to can articulate the top at the mounting hole through the locking section under the action of gravity. This application has not only simplified the structure of lock body subassembly, can also reduce the volume of lock body subassembly, and reduction in production cost improves production and assembly efficiency.

Description

Lock body subassembly, battery package, locking mechanism and vehicle

Technical Field

The utility model relates to an electric automobile technical field, concretely relates to lock body subassembly, battery package, locking mechanism and vehicle.

Background

In recent years, with the rapid popularization of new energy automobiles which are purely electric, the demand of users for power-on service is becoming strong. Compared with the technical scheme of charging, the time for battery replacement can be controlled within 5 minutes or even 3 minutes, so that the power-up efficiency can be greatly improved.

The locking mechanism for connecting the vehicle body and the battery pack comprises a lock body assembly arranged on the battery pack and a locking assembly arranged on the vehicle body, wherein a bolt is arranged in the lock body assembly, a nut is arranged on the locking assembly, and the battery pack is fixedly arranged on the vehicle body through connection between the bolt and the nut. In order to prevent the bolt from falling from the lock body assembly after the battery is disassembled, the lock body assembly is generally further provided with an anti-falling piece, such as a snap spring or an anti-falling gear ring. Although the arrangement of the anti-falling piece can prevent the falling of the bolt to a certain extent, the arrangement of the anti-falling piece also causes the problems of complex structure, large volume, high cost and the like of the lock body assembly.

Accordingly, there is a need in the art for a new solution to the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above-mentioned problems in the prior art, that is to say, solve the problem that the structure of the existing lock body assembly is complicated, the present application provides a lock body assembly, which comprises:

the mounting seat is of a cylindrical structure, and a mounting hole is formed in the top of the mounting seat;

the connecting piece, the connecting piece has operating portion and fastening portion that connects each other, the operating portion can set up in the mount pad with freely sliding, the lower part of operating portion can with locking-unlocking connector butt joint, fastening portion includes locking section and linking section, linking section's one end with the operating portion is connected, linking section's the other end passes the mounting hole with the locking section is connected, wherein, the connecting piece is set up to be able to hang under the effect of gravity through the locking section and connects in the top of mounting hole.

The utility model provides a lock body subassembly, through setting the connecting piece to can articulate the top at the mounting hole through the locking section under the action of gravity, make lock body subassembly dismantlement in-process, can not fall after the connecting piece is dismantled, but hang on the mount pad through the locking section under the action of gravity, the structure of lock body subassembly has not only been simplified, the setting of preventing weighing down the piece promptly and the relevant mounting structure in the mount pad has been left out, the volume of lock body subassembly can also be reduced, the production cost is reduced, the production and the assembly efficiency are improved.

In the preferred technical scheme of above-mentioned lock body subassembly, the mount pad includes body and baffle, the body is the tubular structure just the through-hole has been seted up at the top of body, the baffle connect in the top of body just form the via hole on the baffle, the via hole with the through-hole combination forms the mounting hole, the connecting piece is set to can pass through under the action of gravity the locking section articulates in the via hole.

Through the arrangement of the through hole through which the locking section can pass, the assembly of the connecting piece is facilitated, and the production efficiency is improved; through set up the via hole on the baffle, can realize articulating of connecting piece.

In the preferable technical scheme of the lock body assembly, the baffle comprises a first baffle block and a second baffle block, a half groove is formed in each of the first baffle block and the second baffle block, after the first baffle block and the second baffle block are connected, the first baffle block is abutted to the second baffle block, and the half grooves are formed by surrounding the through holes.

Through with baffle split into first dog and second dog, can simplify the installation of lock body subassembly, do benefit to improvement production efficiency.

In the preferable technical scheme of the lock body assembly, the lower parts of the two half grooves extend downwards to form an annular bulge in an enclosing mode, and the annular bulge is embedded in the through hole.

The lower part of the half groove extends downwards to form an annular protrusion which is embedded in the through hole, so that the assembling positioning between the two check blocks and the body is facilitated, and the assembling precision is ensured.

In a preferred technical solution of the above lock body assembly, the fastening portion further includes a transition section, the engagement section is connected to the locking section through the transition section, a sectional area of the transition section gradually increases along a direction from the engagement section to the locking section, and upper portions of the two half grooves are surrounded to form an inner annular surface matched with an outer peripheral side of the transition section.

Through the periphery side that sets up the changeover portion and the interior anchor ring phase-match that two half grooves enclose established, can realize the accurate location that the connecting piece falls behind, conveniently add the locking head and recognize the cap, promote and trade electric efficiency.

In the preferred technical scheme of the lock body assembly, the first stop block and the second stop block are both provided with countersunk holes, the top of the body is provided with threaded holes, and the first stop block and the second stop block are respectively in threaded connection with the top of the body through countersunk screws; and/or the half-grooves are semicircular grooves.

Through adopting countersunk head screw to fix first dog and second dog at the body top, can guarantee the assembly precision, avoid the screw to bulge the dog to the influence that adds the unblock and bring simultaneously.

In an optimized technical scheme of the lock body assembly, the locking section is a thread section, and/or the connecting section is an optical axis section.

In the preferable technical scheme of the lock body assembly, the operating portion comprises a flange section and a butt joint section, the upper surface of the flange section is connected with the connecting section, the lower surface of the flange section is connected with the butt joint section, the axial projection area of the flange section is larger than that of the butt joint section, and the butt joint section is used for butt joint with the locking and unlocking connector.

In a preferred embodiment of the above lock body assembly, the lock body assembly further includes an anti-loose member, the anti-loose member is disposed between the operating portion and the top inner wall of the mounting seat, and the anti-loose member is configured to be squeezed between the operating portion and the top inner wall of the mounting seat when the locking section is rotationally fastened to the target fastener, and has no relative rotation with the top inner wall of the mounting seat.

Through putting the anti-loosening piece, can improve the durability and the connection reliability of lock body subassembly, prolong the life of lock body subassembly, reduce the mechanism complexity. Present locking mechanism is at the locking in-process, the top inner wall of mount pad directly produces the friction with the connecting piece as the bearing surface, can lead to the top inner wall degree of wear of connecting piece and mount pad to increase in time, and because the lock body subassembly direct fixed connection is usually circulated on the battery package along with the battery package, the closure subassembly sets up the vehicle-mounted circulation on the automobile body, still make the lock body subassembly on the battery package when trading the electricity at every turn all need with the closure subassembly running-in match again, can accelerate wearing and tearing between the two, and in case also be difficult to change after the mount pad wearing and tearing to a certain degree. And this application can shift the wearing surface between anti-loosening piece and the connecting piece by between connecting piece and the mount pad top inner wall through setting up anti-loosening piece between the top inner wall at operating part and mount pad to the degree of wear of the mount pad top inner wall that significantly reduces plays the effect of protection mount pad. And, set up locking piece and can also omit the setting of locking mechanism in the traditional lock body subassembly to simplify the structure of lock body subassembly by a wide margin, be favorable to realizing miniaturization, the lightweight demand of locking mechanism, reduce the manufacturing cost of lock body subassembly, increase product competitiveness.

In the preferable technical scheme of the lock body assembly, the anti-loosening element is a gasket, the gasket is sleeved on the connecting section, and the roughness of the upper surface of the gasket is larger than that of the lower surface of the gasket; or

The anti-loosening piece is a gasket which is fixedly connected to the inner wall of the top of the mounting seat; or

Locking piece includes first gasket and second gasket, first gasket is the annular and the cover is located link up the section, the upper surface of first gasket is formed with first radial burr, first gasket lower surface is formed with first wedge along circumference, the second gasket is the annular and overlaps and locates the below of first gasket, the lower surface of second gasket is formed with the radial burr of second, second gasket upper surface along circumference be formed with the second wedge that first wedge matches during locking section and the rotatory fastening of target fastener, first radial burr with the top inner wall of mount pad extrudees each other, the radial burr of second with the operation portion extrudees each other, first wedge with the second wedge extrudees each other.

When the anti-loosening piece is a gasket, the roughness of the upper surface of the gasket is larger than that of the lower surface of the gasket, so that the gasket and the inner wall of the top of the mounting seat do not rotate relatively, the connecting piece and the gasket can rotate relatively, the wear surface is transferred between the gasket and the connecting piece, the wear of the mounting seat is reduced, and the maintenance convenience is improved.

Through with packing ring fixed connection on the top inner wall of mount pad, can avoid producing the friction between the top inner wall of packing ring and mount pad, protect the mount pad to avoid wearing and tearing, improve the life of mount pad.

The anti-loosening piece adopts the arrangement mode of the first gasket and the second gasket, so that when the connecting piece tends to loosen, the wedge-shaped surfaces of the first gasket and the second gasket rotate relatively to generate lifting tension to prevent the connecting piece from loosening, and the anti-loosening effect is improved.

The application also provides a battery pack, the battery pack includes the shell, be provided with any one of above-mentioned preferred technical scheme the lock body subassembly on the shell.

The battery pack of this application, through setting up foretell lock body subassembly, can realize the simplification of structure, leave out to prevent weighing down the setting of the interior relevant mounting structure of piece and mount pad, can also reduce the volume of lock body subassembly, reduction in production cost improves the production and the assembly efficiency of battery pack.

In a preferred technical scheme of the battery pack, the lock body assembly is embedded in an embedded hole arranged on the shell, wherein the lock body assembly is embedded in the embedded hole

The bottom of the embedding hole is provided with an elastic shielding piece; and/or

And the top of the embedding hole is provided with a groove for allowing the top of the mounting seat to be embedded.

Through setting up elasticity shielding piece, can be under the prerequisite that does not influence the business turn over of locking and unlocking head, prevent that foreign matter such as water, dust from getting into the reliability that the lock body subassembly influenced the lock body subassembly by the below. Through setting up the recess, can avoid mount pad top outstanding battery package, guarantee that battery package shell is level and smooth.

The application also provides a locking mechanism, the locking mechanism comprises a locking assembly and the lock body assembly in any one of the above-mentioned preferred technical schemes, and the lock body assembly is matched and connected with the locking assembly.

The locking mechanism of this application through setting up above-mentioned lock body subassembly, can realize the simplification of structure, omits the setting of preventing weighing down the piece and the relevant mounting structure in the mount pad, can also reduce locking mechanism's manufacturing cost, improves production and assembly efficiency.

In a preferred embodiment of the locking mechanism, the locking assembly includes a locking member, and an upper portion of the locking member is closed.

Through sealing the upper portion with the locking piece, can prevent that the locking piece from by foreign matter pollution such as water, dust, gravel and sand, guarantee locking mechanism's locking and unlocking reliability.

In a preferred embodiment of the locking mechanism, the locking assembly further includes a fixed bracket and a floating plate, the fixed bracket is fixedly connectable to the vehicle, the floating plate is floatably disposed in the fixed bracket, and the locking member is fixedly disposed in the floating plate or the locking member is floatably disposed in a shallow groove formed in the floating plate and is restricted from rotating by the fixed bracket.

In a preferred embodiment of the locking mechanism, the locking member is a nut shaped as a flange cover.

The application also provides a vehicle, the vehicle includes automobile body, battery package and above-mentioned preferred technical scheme any locking mechanical system, the battery package pass through locking mechanical system with the automobile body is connected.

The vehicle of this application through setting up above-mentioned locking mechanism, can simplify the structure of mechanism, reduces whole car manufacturing cost, improves whole car production efficiency.

Scheme 1. A lock body subassembly, its characterized in that, the lock body subassembly includes:

Scheme 2. The lock body subassembly of scheme 1, characterized in that, the mount pad includes body and baffle, the body is the tubular structure and the top of body is seted up the through-hole that allows the locking section to pass, the baffle is connected in the top of body and form the via hole on the baffle, the via hole with the through-hole combination forms the mounting hole, the connecting piece is set up to hang under the effect of gravity through the locking section in the via hole.

Scheme 3. According to scheme 2 the lock body subassembly, characterized in that, the baffle includes first dog and second dog, be formed with a half groove on first dog and the second dog respectively, after connecting, first dog with the second dog butt, two the half groove encloses to establish and forms the via hole.

Scheme 4, according to the lock body subassembly of scheme 3, characterized in that, the lower part downwardly extending of two half slots encloses and establishes the annular arch, the annular arch inlays to be established in the through-hole.

The lock body assembly according to claim 3, wherein the fastening portion further includes a transition section, the engagement section is connected to the locking section through the transition section, the cross-sectional area of the transition section gradually increases along a direction from the engagement section to the locking section, and upper portions of the two half grooves are surrounded to form an inner annular surface matched with the outer peripheral side of the transition section.

The lock body assembly according to the claim 3, characterized in that the first stopper and the second stopper are both provided with countersunk holes, the top of the body is provided with a threaded hole, and the first stopper and the second stopper are respectively screwed on the top of the body through countersunk screws; and/or

The half groove is a semicircular groove.

Scheme 7. The lock body subassembly of scheme 1, characterized in that, the locking section is the screw thread section, and/or the linking section is the optical axis section.

Scheme 8. The lock body assembly according to scheme 1, characterized in that the operation portion includes a flange section and a butt joint section, an upper surface of the flange section is connected with the joining section, a lower surface of the flange section is connected with the butt joint section, an axial projection area of the flange section is larger than an axial projection area of the butt joint section, and the butt joint section is used for butt joint with a locking and unlocking connector.

An arrangement 9. A lock body assembly according to any of the claims 1-8, further comprising an anti-release member arranged between the operating portion and the top inner wall of the mounting seat, the anti-release member being arranged to be squeezed between the operating portion and the top inner wall of the mounting seat when the locking segment is rotationally fastened to a target fastener, and having no relative rotation with the top inner wall of the mounting seat.

The lock body assembly according to claim 9, wherein the anti-loosening member is a washer, the washer is sleeved on the engagement section, and the roughness of the upper surface of the washer is greater than that of the lower surface of the washer; or

Scheme 11. A battery pack, characterized in that, the battery pack includes the shell, be provided with the lock body subassembly of any of schemes 1-10 on the shell.

A battery pack according to claim 12, wherein the lock body assembly is fitted into an insertion hole provided in the housing, wherein the insertion hole is formed in the housing

The lock mechanism of the scheme 13, characterized in that the lock mechanism comprises a locking assembly and the lock body assembly of any one of the schemes 1 to 10, and the lock body assembly is matched and connected with the locking assembly.

The latch mechanism of claim 13 wherein said locking assembly comprises a latch member, said latch member having an upper portion that is closed.

The latch mechanism according to claim 15, wherein the locking assembly further comprises a fixed bracket and a floating plate, the fixed bracket is fixedly connected to the vehicle, the floating plate is floatably disposed in the fixed bracket, and the latch is fixedly disposed in the floating plate, or the latch is floatingly disposed in a shallow groove formed in the floating plate and is restricted from rotating by the fixed bracket.

The lock mechanism of claim 14, wherein the lock member is a blind flange nut.

The vehicle of claim 17, characterized in that the vehicle comprises a vehicle body, a battery pack, and the locking mechanism of any one of claims 13 to 16, wherein the battery pack is connected to the vehicle body through the locking mechanism.

Drawings

The lock body assembly, the battery pack, the lock mechanism and the vehicle of the present application are described below with reference to the accompanying drawings. In the drawings:

FIG. 1 is an assembled cross-sectional view of the locking mechanism of the present application;

FIG. 2 is an exploded view of the locking mechanism of the present application;

figure 3 is a cross-sectional view of the lock body assembly of the present application;

fig. 4 is a structural view of the anti-release member of the present application.

List of reference numerals

10. A lock body assembly; 11. a mounting seat; 111. a body; 1111. a through hole; 112. a baffle plate; 1121. a first stopper; 1122. a second stopper; 1123. a half groove; 1124. an annular projection; 1125. a countersunk hole; 13. a connecting member; 131. an operation section; 1311. a flange section; 1312. a butt joint section; 132. a fastening section; 1321. a locking section; 1322. a joining section; 1323. a transition section; 14. An anti-loosening element; 141. a first gasket; 1411. a first radial rib; 1412. a first wedge-shaped face; 142. a second gasket; 1421. a second radial rib; 1422. a second wedge-shaped face; 15. countersunk head screws;

20. a locking assembly; 21. fixing a bracket; 22. a floating plate; 221. shallow-groove; 23. A locking member;

30. a battery pack beam; 31. an elastic shielding sheet;

40. a vehicle body beam.

Detailed Description

Preferred embodiments of the present application are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principles of the present application, and are not intended to limit the scope of protection of the present application. For example, although the following embodiments of the present application are described in connection with an electric vehicle, this is not intended to limit the scope of the present application, and the lock body assembly, battery pack, and locking mechanism of the present application may be applied to other vehicles without departing from the principles of the present application.

It should be noted that in the description of the present application, the terms "in", "up", "down", "vertical", "inside", "outside", and the like indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.

Referring first to figures 1 and 2, the lock body assembly of the present application will be described.

As shown in fig. 1 and 2, in order to solve the problem of complex structure of the existing lock body assembly 10, the lock body assembly 10 of the present application includes a mounting seat 11 and a connecting member 13. The mounting seat 11 has a cylindrical structure, and a mounting hole (not shown) is formed at the top of the mounting seat 11. The connecting member 13 has an operating portion 131 and a fastening portion 132 connected to each other, the operating portion 131 is slidably disposed on the mounting base 11, a lower portion of the operating portion 131 can be coupled to the locking/unlocking head, the fastening portion 132 includes a locking section 1321 and an engaging section 1322, one end of the engaging section 1322 is connected to the operating portion 131, the other end of the engaging section 1322 passes through the mounting hole and is connected to the locking section 1321, wherein the engaging section 1322 can slide in the mounting hole, and the connecting member 13 is configured to be hung on the top of the mounting hole through the locking section 1321 under the action of gravity.

When the lock body assembly 10 is applied, the lock body assembly 10 is fixed on a battery pack, the target fastener may be a vehicle chassis, a locking hole is formed in the chassis, or the target fastener may be a locking piece or a locking assembly 20 arranged on the vehicle chassis. When the battery pack is installed, the battery pack is lifted to an installation position of a vehicle chassis, then the locking and unlocking device is driven to operate, and the locking and unlocking head of the locking and unlocking device ascends and is in butt joint with the operation part 131 of the connecting piece 13. The connecting piece 13 is further driven by the locking and unlocking head to ascend until the locking section 1321 is in butt joint with the target fastener, and the locking and unlocking head applies locking torque to the connecting piece 13 and continues to ascend, so that the locking section 1321 is rotationally fastened on the target fastener. When dismantling the battery package, add the unlocking device and rise to operation portion 131 butt joint, then add the unlocking head and exert the unblock moment of torsion and descend to connecting piece 13, locking section 1321 breaks away from with the target fastener to fall under the dead weight effect, locking section 1321 is at the mounting hole department of whereabouts in-process card, thereby makes connecting piece 13 hang at the mounting hole top.

It can be seen that, through setting the connecting piece 13 to be able to hang at the top of mounting hole through locking section 1321 under the action of gravity, make lock body subassembly 10 dismantle the in-process, can not fall after connecting piece 13 is dismantled, but hang on mount pad 11 through locking section 1321 under the action of gravity, the structure of lock body subassembly 10 has not only been simplified to such a mode of setting, the setting of preventing weighing down the piece promptly and preventing weighing down the relevant mounting structure of piece in the mount pad 11 promptly, can also reduce the volume of lock body subassembly 10, therefore, the production cost is reduced, and the production and assembly efficiency is improved.

A preferred embodiment of the present application will now be described with reference to fig. 1 to 3.

As shown in fig. 1 to 3, in a preferred embodiment, the lock body assembly 10 includes a mounting 11, a coupling member 13, and an anti-release member 14. The mounting seat 11 includes a body 111 and a baffle 112, the body 111 is a tubular structure, the bottom of the body is open, the top of the body has a certain thickness, the top of the body is provided with a through hole 1111, and the cross section of the through hole 1111 is circular. The baffle 112 is connected to the top of the body 111, a through hole (not shown) is formed in the baffle 112, the through hole and the through hole 1111 are combined to form a mounting hole, and the connecting piece 13 can be hung on the through hole through the locking section 1321 under the action of gravity.

Referring to fig. 2, the baffle 112 includes a first block 1121 and a second block 1122, the first block 1121 and the second block 1122 are rectangular blocks, each block is formed with a half groove 1123, and the half grooves 1123 are circular grooves in this application. After the connection, the first stopper 1121 and the second stopper 1122 abut against each other, a through hole with a circular cross section is formed by the two half grooves 1123 in an enclosing manner, and the inner diameter of the through hole is smaller than that of the through hole 1111. The upper parts of the two half grooves 1123 are respectively provided with a chamfer, the two chamfers surround to form an inner ring surface, the lower parts of the two half grooves 1123 extend downwards to surround to form a circular ring-shaped protrusion 1124, and the circular ring-shaped protrusion 1124 is embedded in the through hole 1111 after installation. Countersunk holes 1125 are formed in the first stop block 1121 and the second stop block 1122, a threaded hole is formed in the top of the body 111, and the first stop block 1121 and the second stop block 1122 are screwed to the top of the body 111 through countersunk screws 15 respectively.

Referring to fig. 2 and 3, the connecting member 13 is integrally molded and formed with an operating portion 131 and a fastening portion 132 connected to each other. Specifically, the fastening portion 132 includes a locking section 1321, an engagement section 1322 and a transition section 1323, the locking section 1321 is a screw thread section, the engagement section 1322 and the transition section 1323 are both optical axis sections, the lower end of the locking section 1321 is connected with the upper end of the engagement section 1322 through the transition section 1323, wherein the outer diameter of the locking section 1321 is smaller than the inner diameter of the through hole 1111 but larger than the outer diameters of the via hole and the engagement section 1322, the outer diameter of the transition section 1323 gradually increases along the direction from the engagement section 1322 to the locking section 1321, and the outer surface of the transition section 1323 matches with the inner annular surface of the upper portion of the via hole. The handle part 131 includes a flange section 1311 and an abutting section 1312, a lower end of the engaging section 1322 is coupled to an upper surface of the flange section 1311, and a lower surface of the flange section 1311 is coupled to the abutting section 1312. Wherein, the axial projected area of flange section 1311 is greater than the axial projected area of butt joint section 1312. The docking section 1312 can be docked with the locking and unlocking heads, and an outer hexagonal nut is formed on the outer side of the docking section 1312 and an inner hexagonal hole is formed inside the docking section to adapt to different locking and unlocking heads.

With continued reference to fig. 2 and 3, the anti-loosening element 14 is a washer that is captured by the engagement segments 1322, the washer having an upper surface with a roughness that is greater than a lower surface. Preferably, the coefficient of friction between the upper surface of the gasket and the inner wall of the top of the body 111 of the mount 11 is 2.0 to 2.5 times the coefficient of friction between the lower surface of the gasket and the flange section 1311. So configured, when the gasket is compressed, there is no relative rotation between the top inner wall of body 111 of mount 11 and the upper surface of the gasket because the roughness of its upper surface is greater than the roughness of its lower surface, while the upper surface of flange section 1311 of connection 13 and the lower surface of the gasket can rotate relative to each other, which allows the wear surface to shift from between the top inner wall of body 111 and the upper surface of flange section 1311 to between the upper surface of flange section 1311 and the lower surface of the gasket.

When the lock body assembly 10 is assembled, the washer is firstly sleeved on the engaging section 1322 of the connecting member 13, and then the connecting member 13 is inserted from below the body 111 of the mounting seat 11, so that the locking section 1321 penetrates out of the through hole 1111. Next, the first stopper 1121 and the second stopper 1122 are assembled together, so that the inner annular surface formed by the upper portions of the two half grooves 1123 is matched with the transition section 1323, and the annular protrusion 1124 formed by the lower portions of the two half grooves 1123 is inserted into the top of the through hole 1111. Finally, the countersunk screws 15 are used to fix the first stop 1121 and the second stop 1122 to the top of the body 111, and the lock body assembly 10 is assembled.

Through-hole 1111 that can pass through setting up locking section 1321 makes things convenient for the equipment of connecting piece 13, promotes production efficiency. Through set up the via hole on baffle 112, can realize articulating of connecting piece 13. By splitting the blocking plate 112 into the first blocking piece 1121 and the second blocking piece 1122, the installation of the lock body assembly 10 can be simplified, which is beneficial to improving the production efficiency. The lower part of the half groove 1123 extends downwards to form the annular protrusion 1124 which is embedded in the through hole 1111, so that the assembling positioning between the two stoppers and the body 111 is facilitated, and the assembling precision is ensured. The periphery side through setting up changeover portion 1323 encloses the interior anchor ring phase-match of establishing with two half grooves 1123, can realize the accurate location that connecting piece 13 falls behind, conveniently adds the locking head and recognizes the cap, promotes and trades electric efficiency. By fixing the first stopper 1121 and the second stopper 1122 at the top of the body 111 using the countersunk head screw 15, the assembling accuracy can be ensured while avoiding the influence of the protruding stopper of the screw on the locking and unlocking.

By placing the anti-loosening element 14, the durability and the connection reliability of the lock body assembly 10 can be improved, the service life of the lock body assembly 10 can be prolonged, and the mechanism complexity can be reduced. Specifically, in the locking process of the existing locking mechanism, the top inner wall of the mounting seat 11 directly rubs with the connecting member 13 as a pressure-bearing surface, which may result in an increase in the wear degree of the top inner walls of the connecting member 13 and the mounting seat 11 over time, and since the lock body assembly 10 is usually directly and fixedly connected to the battery pack and circulates along with the battery pack, the lock body assembly 20 is arranged on the vehicle body and circulates along with the vehicle, so that the lock body assembly 10 on the battery pack needs to be re-worn and matched with the lock body assembly 20 every time the battery is replaced, which may accelerate the wear between the two, and once the mounting seat 11 is worn to a certain extent, the lock body assembly is also not replaced. And this application can shift the wearing surface between anti-loose piece 14 and connecting piece 13 by between connecting piece 13 and the top inner wall of mount pad 11 through set up anti-loose piece 14 between the top inner wall of operation portion 131 and mount pad 11 to the degree of wear of the top inner wall of mount pad 11 that significantly reduces plays the effect of protection mount pad 11. Moreover, the anti-loosening element 14 can be used to omit the anti-loosening mechanism of the conventional lock body assembly 10, so that the structure of the lock body assembly 10 is greatly simplified, the requirements of miniaturization and light weight of the locking mechanism are facilitated, the manufacturing cost of the lock body assembly 10 is reduced, and the product competitiveness is increased. When the anti-loosening element 14 is a gasket, the roughness of the upper surface of the gasket is larger than that of the lower surface of the gasket, so that the gasket and the inner wall of the top of the mounting seat 11 do not rotate relatively, the connecting element 13 and the gasket can rotate relatively, the wear surface is transferred between the gasket and the connecting element 13, the wear of the mounting seat 11 is reduced, and the maintenance convenience is improved. By setting the axial projected area of flange section 1311 to be larger than the axial projected area of abutting section 1312, a larger contact area between connecting member 13 and anti-loosening member 14 can be obtained, and the anti-loosening effect can be improved.

It should be noted that the above preferred embodiments are only used for illustrating the principle of the present application, and are not intended to limit the protection scope of the present application. Without departing from the principles of the present application, those skilled in the art can adjust the setting manner, so that the present application can be applied to more specific application scenarios.

For example, in an alternative embodiment, although the above embodiment is described with the mounting seat 11 composed of the body 111 and the baffle 112, the mounting seat 11 is not provided in an exclusive manner as long as it can satisfy the condition that the mounting hole is formed at the top and the locking section 1321 can be hung in the mounting hole. For example, the mounting seat 11 may also be integrally formed, a mounting hole allowing the locking section 1321 to pass through is formed at the top of the mounting seat 11, and an annular clinching edge is formed at the top of the mounting hole by means of clinching, so that the inner diameter of the annular clinching edge is smaller than the outer diameter of the locking section 1321. Similarly, in the case that the mounting seat 11 includes the body 111 and the baffle 112, the baffle 112 may also be integrally formed, and the top of the through hole forms a press-riveting edge by means of press-riveting.

For another example, in another alternative embodiment, although the through hole 1111 in the body 111 of the mounting seat 11 and the through hole in the baffle 112 are circular holes, this is not a constant matter, and those skilled in the art may adjust the shape of the hole as long as they can achieve the corresponding functions. For example, the through-holes 1111 and the via holes may also be rectangular holes, elliptical holes, irregular holes, or the like. Accordingly, the engagement segments 1322, annular protrusions 1124, etc. may or may not be adapted.

For another example, in another alternative embodiment, although the locking section 1321 is clamped at the top of the through hole by setting the outer diameter of the locking section 1321 to be larger than the inner diameter of the through hole, this implementation is not exclusive, and the person skilled in the art can adjust the locking section so long as the purpose of hanging the connecting element 13 at the top of the mounting hole through the locking section 1321 can be achieved. For example, the top of the mounting hole is provided with an internal thread matching with the locking section 1321, and after the locking section 1321 is screwed through the internal thread on the top of the mounting hole, the locking section 1321 can be blocked at the top of the mounting hole to realize the hanging connection of the connecting piece 13 under the blocking of the internal thread.

For another example, in another alternative embodiment, the inner annular surface formed by the top of the two half grooves 1123 and the annular protrusion 1124 formed by the bottom of the two half grooves 1123 are not required, and one skilled in the art can select whether to arrange them according to the needs. Accordingly, the transition 1323 on the connection piece 13 is not necessary, and the transition 1323 may not be provided without providing an inner annular surface.

For another example, in another alternative embodiment, although the first stopper 1121 and the second stopper 1122 are screwed on the top of the body 111, the specific connection manner of the two stoppers is not limited, and a person skilled in the art may also realize the connection between the two stoppers and the body 111 by welding, bonding, riveting, and the like.

For another example, in another alternative embodiment, the specific arrangement of the connecting member 13 is not exclusive, and those skilled in the art can adjust it, as long as the alternative connecting member 13 has the operating portion 131 and the fastening portion 132, and the fastening portion 132 includes the locking segment 1321 and the engaging segment 1322. For example, a person skilled in the art may adjust the specific arrangement of the operation portion 131 and the fastening portion 132, such as setting the fastening portion 132 as a threaded section as a whole, or omitting the transition section 1323, or omitting the flange section 1311 of the operation portion 131, adjusting the diameter of the flange section 1311, or adjusting the nut section to be an external dodecagonal nut or other special nuts. The locking section 1321 can be set as a rotary buckle except for the thread section, the thread section is replaced by a horizontally arranged hanging plate at the moment, the hanging plate is detachably connected, screwed, pinned or connected in other modes with the connecting section 1322, the hanging plate is always positioned outside the mounting hole of the mounting seat 11, correspondingly, the target fastener is provided with a long groove, two sides of the long groove are respectively provided with an arc-shaped bulge with a certain gradient, the hanging plate rotates after penetrating through the long groove, and the hanging plate climbs along the arc-shaped bulge to realize the rotary fastening of the hanging plate and the mounting seat. Meanwhile, the hanging plate can be clamped at the top of the mounting hole when falling down, so that the connecting piece 13 is hung on the mounting seat 11.

As another example, in another alternative, although the anti-loose element 14 is described as a gasket in the above embodiment, this is not the only example, and a person skilled in the art may change the arrangement of the anti-loose element 14. For example, in the case that the locking member 14 is a washer, the washer may be fixedly connected to the top inner wall of the mounting seat 11, such as by a countersunk head screw connected to the top inner wall of the body 111. At this time, there is no relative rotation between the anti-loosening element 14 and the body 111, and friction only occurs between the upper surface of the flange segment 1311 and the lower surface of the washer, so that friction between the washer and the inner wall of the top of the body 1111 of the mounting seat 11 can be avoided, the mounting seat 11 is protected from abrasion, and the service life of the mounting seat 11 is prolonged.

In another alternative, as shown in fig. 4, the check member 14 includes a first washer 141 and a second washer 142, which are engaged with each other for use in pairs. The first gasket 141 is annular and is sleeved on the engaging section 1322, a first radial ridge 1411 is formed on the upper surface of the first gasket 141, a first wedge-shaped surface 1412 is formed on the lower surface of the first gasket 141 along the circumferential direction, the second gasket 142 is annular and is sleeved below the first gasket 141, a second radial ridge 1421 is formed on the lower surface of the second gasket 142, a second wedge-shaped surface 1422 matched with the first wedge-shaped surface 1412 is formed on the upper surface of the second gasket 142 along the circumferential direction, when the locking section 1321 is rotationally fastened with the target fastener, the first radial ridge 1411 and the top inner wall of the mounting seat 11 are pressed against each other, the second radial ridge 1421 and the operating portion 131 are pressed against each other, and the first wedge-shaped surface 1412 and the second wedge-shaped surface 1422 are pressed against each other. Preferably, the coefficient of friction between the first radial ridge 1411 and the inner wall of the top of the body 111 of the mounting seat 11 is greater than the coefficient of friction between the first wedge-shaped surface 1412 and the second wedge-shaped surface 1422, the coefficient of friction between the second radial ridge 1421 and the flange section 1311 is greater than the coefficient of friction between the first wedge-shaped surface 1412 and the second wedge-shaped surface 1422, and the slopes of the first wedge-shaped surface 1412 and the second wedge-shaped surface 1422 are greater than the thread rise angle of the locking section 1321.

After the connector 13 is rotatably fastened to the target fastener, the first radial ridges 1411 and the top inner wall of the mounting seat 11 are pressed against each other, the second radial ridges 1421 and the flange section 1311 of the connector 13 are pressed against each other, and the first and

second wedge surfaces

1412 and 1422 are pressed into engagement with each other. Since the coefficient of friction between first radial ridge 1411 and the top interior wall of mounting block 11 and the coefficient of friction between second radial ridge 1421 and flange segment 1311 are both greater than the coefficient of friction between first wedge surface 1412 and second wedge surface 1422, there is no relative sliding between the upper surface of first shim 141 and the top interior wall of mounting block 11, and there is no relative sliding between the lower surface of second shim 142 and the upper surface of flange segment 1311, with relative sliding occurring only between first wedge surface 1412 and second wedge surface 1422. When the connecting member 13 tends to loosen, the slope of the first wedge-shaped surface 1412 and the slope of the second wedge-shaped surface 1422 are both greater than the thread lead angle of the thread section, so that the lifting amount in the axial direction between the two washers is greater than the climbing amount in the axial direction of the thread section, a stroke difference is formed between the two washers, the axial pretightening force of the connecting member 13 is increased when the two washers are fed back into the connecting member 13, and the loosening tendency of the connecting member 13 is reduced through the wedge effect, so that the loosening does not occur.

The anti-loose piece 14 is provided with the first gasket 141 and the second gasket 142, so that when the connecting piece 13 tends to loose, the wedge-shaped surfaces of the first gasket 141 and the second gasket 142 rotate relatively to generate lifting tension to prevent the connecting piece 13 from loosening, thereby improving the anti-loose effect.

Referring back to fig. 1, the battery pack of the present application will be described.

As shown in fig. 1, the present application also provides a battery pack including a housing having a lock body assembly 10 disposed thereon in the manner described above.

Specifically, the outer shell of the battery pack is provided with an insertion hole (not shown in the figure), and the insertion hole is formed in the battery pack beam 30 in fig. 1, but may be formed in other positions of the battery pack case. The top of the embedding hole is provided with a groove allowing the top of the mounting base 11 to be embedded, and after the installation, the baffle 112 of the lock body assembly 10 is embedded in the groove. The bottom of the embedding hole is also provided with an elastic shielding piece 31, the elastic shielding piece 31 is made of rubber materials and is formed by a plurality of fan-shaped pieces in an enclosing mode, and the outer edge of each fan-shaped piece is bonded to the lower portion of the embedding hole. After bonding, the locking and unlocking head can push the fan-shaped sheet to enter the mounting seat 11, and after the locking and unlocking head exits, the fan-shaped sheet is deformed and restored and the embedding hole is shielded again.

The battery pack can realize the simplification of the structure by arranging the lock body assembly 10, omits the arrangement of the anti-falling piece and the relevant installation structure in the installation seat 11, can also reduce the volume of the lock body assembly 10, reduces the production cost and improves the production and assembly efficiency of the battery pack. Through setting up elasticity shielding piece 31, can be under the prerequisite that does not influence the locking and unlocking head business turn over, prevent that foreign matter such as water, dust from getting into lock body subassembly 10 by the below and influencing the reliability of lock body subassembly 10. Through setting up the recess, can avoid 11 tops of mount pad outstanding battery package, guarantee that the battery package shell is level and smooth.

Of course, the above-mentioned groove and the elastic shielding piece 31 are not necessary, and the arrangement manner of the groove and the elastic shielding piece 31 is not exclusive, and those skilled in the art can select whether to arrange the groove and the elastic shielding piece 31 and the specific arrangement manner of the groove and the elastic shielding piece based on the specific application scenario.

For example, on the premise that the outer edge of the baffle 112 is circular, the baffle 112 may be inserted into the insertion hole instead of the groove. For example, the number of the segments of the elastic shielding piece 31 may be adjusted, and the segments may be attached by press-fitting between the bottom of the mounting seat 11 and the inner wall of the insertion hole, or by screwing to the inner wall of the bottom of the insertion hole or the bottom wall of the battery pack beam 30 with screws.

Referring now to fig. 1 and 2, the locking mechanism of the present application will be described.

The application also provides a locking mechanism, which comprises the locking assembly 20 and the lock body assembly 10 in the above embodiment, wherein the lock body assembly 10 is matched and connected with the locking assembly 20.

Referring to fig. 1 and 2, in one embodiment, the locking assembly 20 includes a fixed bracket 21, a floating plate 22 and a locking member 23, the fixed bracket 21 is fixedly connected to the vehicle, the floating plate 22 is floatably disposed in the fixed bracket 21, and the locking member 23 is floatably disposed in a shallow groove 221 formed in the floating plate 22 and is limited in rotation by the fixed bracket 21.

Specifically, fixed bolster 21 passes through the spiro union, mode such as welding or joint sets up on the automobile body roof beam 40 of vehicle, and fixed bolster 21 includes two vertical boards and connects in two horizontal posts on two vertical board upper portions, encloses between two horizontal posts and two vertical boards and establishes and form the rectangular hole, and two horizontal posts below form accommodation space, and floating plate 22 is located this accommodation space, and when the installation, floating plate 22 is restricted in the floating space that two vertical boards and automobile body roof beam 40 enclose and can freely float in this floating space. Holes for allowing the upper portions of the coupling members 13 to pass through are formed in the body frame 40 and the floating plate 22, a shallow groove 221 is formed in the middle of the top surface of the floating plate 22, and the lock member 23 is located in the shallow groove 221. In the present application, the locking member 23 is a blind nut, the upper portion of which is closed and the lower portion of which is seated in the shallow groove 221. After the installation, the nut is limited between the two horizontal columns and cannot rotate. The bottom of the floating plate 22 is provided with a chamfer corresponding to the nut, when the connecting piece 13 is driven by the locking and unlocking device to rotate and rise, the chamfer at the upper end of the locking section 1321 is in butt joint with the chamfer at the bottom of the floating plate 22 under the guidance of the chamfer, and the connecting piece 13 is in threaded connection with the nut after continuously rotating and rising.

The locking mechanism of this application through setting up above-mentioned lock body subassembly 10, can realize the simplification of structure, omits to prevent weighing down the setting of piece and the interior relevant mounting structure of mount pad 11, can also reduce locking mechanism's manufacturing cost, improves production and assembly efficiency. Through closing the upper portion of lock piece 23, can prevent that lock piece 23 from being contaminated by foreign matter such as water, dust, gravel and sand, guarantee locking mechanism's locking and unlocking reliability.

Of course, the specific arrangement of the locking assembly 20 is not limited thereto, and the arrangement can be adjusted by those skilled in the art to meet the requirement of being able to be coupled with the lock body assembly 10. For example, in an alternative embodiment, the locking assembly 20 may further include a fixing plate and a locking member 23, wherein the locking member 23 is fixedly disposed on the fixing plate, and the fixing plate is fixedly disposed on the vehicle. For another example, the lock member 23 may be fixed to the floating plate 22 and float together with the floating plate 22. For another example, in addition to a nut with a half cap shape, one skilled in the art can select another nut with a closed upper portion as the locking member 23. Of course, the upper part of the locking member 23 may not be closed.

The application also provides a vehicle, and this vehicle includes automobile body, battery package and the locking mechanical system of above-mentioned embodiment, and the battery package passes through locking mechanical system and is connected with the automobile body. Specifically, the mounting seat 11 of the lock body assembly 10 is fixedly connected to the battery pack, the locking assembly 20 is arranged on a body beam 40 of the vehicle, and the battery pack is fixed on the chassis of the vehicle through the locking of the lock body assembly 10 and the locking assembly 20.

Of course, the above alternative embodiments, and the alternative embodiments and the preferred embodiments can also be used in a cross-matching manner, so that a new embodiment is combined to be suitable for a more specific application scenario.

Those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the claims of the present application, any of the claimed embodiments may be used in any combination.

So far, the technical solutions of the present application have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present application is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the present application, and the technical scheme after the changes or substitutions will fall into the protection scope of the present application.

Claims

1. A lock body assembly, characterized in that the lock body assembly comprises:

2. The lock body assembly of claim 1, wherein the mounting base comprises a body and a baffle, the body is of a cylindrical structure, a through hole allowing the locking section to pass through is formed in the top of the body, the baffle is connected to the top of the body, a through hole is formed in the baffle, the through hole and the through hole are combined to form the mounting hole, and the connecting piece is arranged to be hung on the through hole through the locking section under the action of gravity.

3. The lock body assembly of claim 2, wherein the stop plate comprises a first stop block and a second stop block, a half groove is formed in each of the first stop block and the second stop block, after the connection, the first stop block abuts against the second stop block, and the two half grooves are surrounded to form the through hole.

4. The lock body assembly of claim 3, wherein the lower portions of the two half slots extend downward to form an annular protrusion, and the annular protrusion is inserted into the through hole.

5. A lock body assembly according to claim 3, characterized in that the fastening portion further comprises a transition section, the engagement section is connected with the locking section through the transition section, the cross-sectional area of the transition section is gradually increased along the direction from the engagement section to the locking section, and the upper parts of the two half grooves are surrounded to form an inner ring surface matched with the outer circumference side of the transition section.

6. The lock body assembly of claim 3, wherein the first stop and the second stop are both provided with countersunk holes, the top of the body is provided with a threaded hole, and the first stop and the second stop are respectively screwed on the top of the body through countersunk screws; and/or

The half groove is a semicircular groove.

7. A lock body assembly according to claim 1, wherein the locking section is a threaded section and/or the engagement section is an optical axis section.

8. The lock body assembly of claim 1, wherein the operating portion comprises a flange section and a docking section, wherein an upper surface of the flange section is connected to the engagement section, a lower surface of the flange section is connected to the docking section, an axial projected area of the flange section is larger than an axial projected area of the docking section, and the docking section is configured to dock with a locking and unlocking connector.

9. A lock body assembly according to any of claims 1 to 8, further comprising an anti-release member disposed between the operating portion and the top inner wall of the mount, the anti-release member being arranged to be squeezed between the operating portion and the top inner wall of the mount when the locking section is rotationally secured to a target fastener, and to have no relative rotation with the top inner wall of the mount.

10. The lock body assembly of claim 9, wherein the anti-release member is a washer, the washer is sleeved on the engagement section, and the roughness of the upper surface of the washer is greater than that of the lower surface of the washer; or

11. A battery pack, comprising a housing having the lock body assembly of any one of claims 1-10 disposed thereon.

12. The battery pack of claim 11, wherein the lock body assembly is inserted into an insert hole provided in the housing, wherein

13. A lock mechanism comprising a lock assembly and a lock body assembly as claimed in any one of claims 1 to 10, the lock body assembly being cooperatively connected with the lock assembly.

14. The latch mechanism of claim 13 wherein the locking assembly includes a latch member, an upper portion of the latch member being closed.

15. The latch mechanism according to claim 14, wherein the latch assembly further comprises a stationary bracket fixedly attachable to the vehicle and a floating plate floatingly disposed within the stationary bracket, and wherein the locking member is fixedly disposed within the floating plate or is floatingly disposed within a shallow groove defined in the floating plate and is restricted from rotation by the stationary bracket.

16. The lock mechanism of claim 14, wherein the locking member is a blind flange nut.

17. A vehicle characterized by comprising a vehicle body, a battery pack, and the lock mechanism of any one of claims 13 to 16, the battery pack being connected to the vehicle body through the lock mechanism.