CN117465207A - Electric power change lock and electric vehicle - Google Patents

Electric power change lock and electric vehicle Download PDF

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Publication number
CN117465207A
CN117465207A CN202311578195.3A CN202311578195A CN117465207A CN 117465207 A CN117465207 A CN 117465207A CN 202311578195 A CN202311578195 A CN 202311578195A CN 117465207 A CN117465207 A CN 117465207A
Authority
CN
China
Prior art keywords
locking
piece
state
assembly
unlocking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311578195.3A
Other languages
Chinese (zh)
Inventor
董金国
马孝祥
简奔
左威威
田忠
马帅营
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Remote Commercial Vehicle R&D Co Ltd
Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Remote Commercial Vehicle R&D Co Ltd
Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Geely Holding Group Co Ltd, Zhejiang Remote Commercial Vehicle R&D Co Ltd, Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN202311578195.3A priority Critical patent/CN117465207A/en
Publication of CN117465207A publication Critical patent/CN117465207A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66—Arrangements of batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0455—Removal or replacement of the energy storages

Abstract

The application provides a change electric lock and electric motor car, change electric lock includes casing and locking subassembly. The locking assembly includes a first locking member and a second locking member. The first locking piece and the second locking piece are rotatably arranged in the shell. The first locking member is provided with an accommodating groove for accommodating the battery pack. The locking assembly includes an unlocked state and a locked state. When the locking assembly is in an unlocked state, the first locking piece is separated from the second locking piece. When the locking assembly is in a locking state, the first locking piece and the second locking piece are locked, so that the battery pack is locked in the accommodating groove. So can realize the installation and the dismantlement of battery package to can realize the change of battery package, user's use is experienced well.

Description

Electric power change lock and electric vehicle
Technical Field
The application relates to the field of power conversion, in particular to a power conversion lock and an electric vehicle.
Background
With the gradual development of science and technology, electric vehicles are receiving a great deal of attention. Some battery packs of electric vehicles are fixed on the chassis of the electric vehicle, when the electric quantity of the battery packs of the electric vehicle is exhausted, the battery packs need to be charged, the charging time is long, and the user experience is poor.
Disclosure of Invention
The application provides a change electric lock and electric motor car, user use is experienced well.
The application provides a power conversion lock, wherein include:
a housing;
the locking assembly comprises a first locking piece and a second locking piece; the first locking piece and the second locking piece are rotatably arranged in the shell; the first locking piece is provided with a containing groove for containing the battery pack;
the locking assembly comprises an unlocking state and a locking state; the first locking piece is separated from the second locking piece when the locking assembly is in the unlocking state; when the locking assembly is in the locking state, the first locking piece and the second locking piece are locked, so that the battery pack is locked in the accommodating groove.
Further, the shell is provided with a chute, and the chute is provided with an opening; when the locking assembly is in the unlocking state, the notch of the accommodating groove faces the opening; when the first locking piece rotates to be locked with the second locking piece, the locking assembly is in the locking state, and the notch of the accommodating groove faces away from the opening, so that the battery pack is locked in the accommodating groove; the locking assembly returns to the unlocked state when the second locking member rotates to disengage from the first locking member.
Further, the locking assembly further comprises a first elastic piece, one end of the first elastic piece is connected with the first locking piece, and the other end of the first elastic piece is connected with the shell; when the locking assembly is in the unlocking state, the first elastic piece is in a non-tensioning state; the first elastic piece is used for providing an elastic force for the first locking piece to rotate towards the opening direction when the locking assembly is in the locking state; and/or
The locking assembly comprises a second elastic piece, one end of the second elastic piece is connected with the second locking piece, and the other end of the second elastic piece is connected with the shell; the second elastic piece is used for providing an elastic force for the second locking piece to rotate towards the opening direction when the locking assembly is in the unlocking state; the second elastic member is in a non-tensioned state when the locking assembly is in the locked state.
Further, the power-changing lock further comprises an unlocking component, the unlocking component is movably connected to the second locking piece, and the unlocking component is used for driving the second locking piece to rotate so that the first locking piece is separated from the second locking piece.
Further, the unlocking component comprises a stay wire, one end of the stay wire is connected to one side, opposite to the first locking piece, of the second locking piece, and the other end of the stay wire penetrates out of the shell.
Further, the unlocking component further comprises an unlocking piece, one end of the unlocking piece is rotatably connected to one side, opposite to the first locking piece, of the second locking piece, and the other end of the unlocking piece is rotatably connected to one end of the stay wire.
Further, the first locking piece comprises a first matching wall facing to one side of the second locking piece, and the accommodating groove is formed in the first matching wall; the first matching wall comprises a first edge and a second edge which are connected to two sides of the accommodating groove, and when the locking assembly is in the unlocking state, the first edge is pushed against the second locking piece;
the first edge is arc-shaped; and/or
The accommodating groove comprises a groove inner wall and a groove inner edge, the groove inner edge is connected with the groove inner wall, and the groove inner edge extends obliquely from the groove inner wall to a direction far away from the accommodating groove; when the locking assembly is in the locking state, the inner edge of the groove is clamped with the second locking piece.
Further, the second locking member includes a second mating wall facing one side of the first locking member;
the second matching wall is provided with a clamping groove in an inward concave manner, and when the locking assembly is in the locking state, the first locking piece is clamped in the clamping groove of the second locking piece; and/or
The second mating wall is arcuate.
Further, the power-changing lock further comprises a micro switch; a protruding part is arranged on one side, away from the first locking piece, of the second locking piece; when the locking assembly is in the locking state, the protruding part is pressed against the micro switch, and the micro switch is closed; when the locking assembly is in the unlocking state, the protruding part is separated from the micro switch, and the micro switch is opened; and/or
The shell comprises a shell cover and a shell body, and the shell cover is arranged on the shell body in a closing manner; the shell body comprises a bottom surface and a side wall, the side wall extends along the edge of the bottom surface, a containing cavity for containing the locking component is formed by encircling the bottom surface and the side wall, and a boss with the height lower than that of the side wall is arranged on the bottom surface; when the shell cover is covered on the shell body, the shell cover is abutted to the boss.
The application provides an electric vehicle, which comprises:
a frame;
a battery pack; and
The power conversion lock according to any one of the embodiments, wherein the power conversion lock is disposed on the frame; the battery pack is detachably mounted on the frame through the power exchange lock.
The utility model provides a change electric lock includes casing and locking subassembly. The first locking member is provided with an accommodating groove for accommodating the battery pack. When the locking assembly is in an unlocked state, the first locking piece is separated from the second locking piece. When the locking assembly is in a locking state, the first locking piece and the second locking piece are locked, so that the battery pack is locked in the accommodating groove. So can realize the installation and the dismantlement of battery package through locking component to can realize the change of battery package, so that can change the battery package when the electric quantity of battery package is spent, time is short, and user's use is experienced well.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic perspective view of a power conversion system according to one embodiment of the present application;
FIG. 2 is a schematic perspective view of an electric vehicle according to one embodiment of the present application;
FIG. 3 is a schematic plan view of a power conversion lock according to one embodiment of the present application;
FIG. 4 is a perspective view of the power conversion lock shown in FIG. 3 in a locked state;
FIG. 5 is a schematic view of the power conversion lock shown in FIG. 3 in an unlocked state;
FIG. 6 is a schematic view of the power conversion lock of FIG. 3 in a locked state;
FIG. 7 is a schematic plan view of a first locking member of the power conversion lock of FIG. 3;
fig. 8 is a schematic plan view of a second locking member of the power conversion lock shown in fig. 3.
Wherein, the reference numerals are as follows: the battery pack assembly comprises a battery changing system 10, an electric vehicle 11, a transport vehicle 12, a charging bin 13, a frame 14, a battery pack 15, a battery changing lock 16, a housing 17, a locking assembly 18, a first locking piece 19, a second locking piece 20, a sliding chute 21, an opening 22, a containing groove 23, a mounting portion 24, a notch 25, an unlocking assembly 26, a pull wire 27, an unlocking piece 28, a first support shaft 29, a second support shaft 30, a shaft body 31, a limiting portion 32, a first elastic piece 33, a second elastic piece 34, a first engagement wall 35, a second engagement wall 36, a clamping groove 37, a micro switch 38, a housing cover 39, a housing body 40, a bottom surface 41, a side wall 42, a containing cavity 43, a boss 44, a mounting hole 45, a boss 46, a rotation shaft 47, a mounting groove 48, an end 49, a wire body 50, a first edge 51, a second edge 52, a groove inner wall 53, and a groove inner edge 54.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.
The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "plurality" means two or more. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper" and the like are merely for convenience of description and are not limited to one location or one spatial orientation. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
FIG. 1 is a schematic perspective view of a power conversion system 10 according to one embodiment of the present application; fig. 2 is a schematic perspective view of an electric vehicle 11 according to an embodiment of the present application. Referring to fig. 1 and 2, the power exchanging system 10 includes an electric vehicle 11, a transport vehicle 12, and a charging bin 13. In some embodiments, the electric vehicle 11 may include a micro-car, a light-car. In some embodiments, the automobile may include a passenger car, a truck, a sedan, and the like. Among them, trucks may include minibuses, trucks, etc., without limitation.
The electric vehicle 11 includes a frame 14, a battery pack 15, and a battery change lock 16. The battery pack 15 is detachably mounted on the frame 14 through a battery change lock 16 provided on the frame 14. The battery pack 15 of the electric vehicle 11 can be replaced when the battery pack 15 of the electric vehicle 11 is depleted. The number of the power-exchanging locks 16 may be one, two, three, four or more, which is not limited in this application. In one embodiment, in the width direction of the electric vehicle 11, one side of the battery pack 15 may be provided with at least two battery change locks 16, and the other side of the battery pack 15 may be provided with at least two battery change locks 16. So that the installation of the battery pack 15 is more stable. In the present embodiment, two battery change locks 16 are provided on one side of the battery pack 15 in the width direction of the electric vehicle 11, and two battery change locks 16 are provided on the other side of the battery pack 15.
The transport vehicle 12 is used for transferring the battery pack 15 between the electric vehicle 11 and the charging bin 13, and can transport the battery pack 15 detached from the electric vehicle 11 to the charging bin 13 for charging, or transport the battery pack 15 in the charging bin 13 to the electric vehicle 11, and install the battery pack 15 on the frame 14 of the electric vehicle 11 through the power change lock 16. The electric vehicle 11 can be replaced by the transport vehicle 12, so that the time is saved, and the electricity replacing efficiency is improved.
The charging bin 13 is used for charging the battery pack 15 detached from the electric vehicle 11. The charging bin 13 can accommodate a plurality of battery packs 15, so that the battery packs 15 can be charged simultaneously, and the charging efficiency is high.
FIG. 3 is a schematic plan view of a power conversion lock 16 according to one embodiment of the present application; fig. 4 is a perspective view of the power conversion lock 16 shown in fig. 3 in a locked state; fig. 5 is a schematic plan view of the power conversion lock 16 shown in fig. 3 in an unlocked state; fig. 6 is a perspective view of the power conversion lock 16 shown in fig. 3 in a locked state; referring to fig. 2-6, the power conversion lock 16 includes a housing 17 and a locking assembly 18.
The locking assembly 18 comprises a first locking member 19 and a second locking member 20. The first locking member 19 and the second locking member 20 are rotatably provided in the housing 17. Wherein the first locking member 19 can rotate relative to the housing 17, the second locking member 20 can rotate relative to the housing 17, and the first locking member 19 and the second locking member 20 can be disposed within the housing 17. The first locking member 19 is provided with a receiving groove 23 for receiving the battery pack 15. The battery pack 15 may include a mounting portion 24. The mounting portion 24 may have a cylindrical shape, and the mounting portion 24 of the battery pack 15 may be received in the receiving groove 23.
The locking assembly 18 includes an unlocked state and a locked state. The unlocked state may be illustrated with reference to fig. 5 and the locked state may be illustrated with reference to fig. 4 and 6. When the locking assembly 18 is in the unlocked state, the first locking member 19 is separated from the second locking member 20. This allows the battery pack 15 to be removed when the locking assembly 18 is in the unlocked state. When the locking assembly 18 is in the locked state, the first locking member 19 is locked with the second locking member 20 to lock the battery pack 15 in the receiving groove 23. This allows the battery pack 15 to be mounted to the locking assembly 18 while the locking assembly 18 is in the locked state. So can realize the installation and the dismantlement of battery package 15 to can realize the change of battery package 15, so that can change battery package 15 when the electric quantity of battery package 15 is spent, the time is short, and user's use is experienced well.
In one embodiment, the housing 17 is provided with a chute 21. The chute 21 may extend in the first direction X. When the power conversion lock 16 is applied to the electric vehicle 11, the first direction X may refer to a height direction of the electric vehicle 11, i.e., a vertical direction. The chute 21 has an opening 22. The opening 22 may be disposed toward the first direction X. The opening 22 may be directed downward. Wherein the first locking member 19 may be located at one side of the opening 22 and the second locking member 20 may be located at the other side of the opening 22. The mounting portion 24 of the battery pack 15 may be slidably located within the chute 21. The mounting portion 24 is slidable in the extending direction of the chute 21. When the locking assembly 18 is in the unlocked state, the notch 25 of the receiving groove 23 faces the opening 22, and the first locking member 19 and the second locking member 20 are separated. At this time, the first locking member 19 can be rotated. When the first locking member 19 is rotated to lock with the second locking member 20, the locking assembly 18 is in the locked state, and the notch 25 of the receiving groove 23 faces away from the opening 22, so that the battery pack 15 is locked in the receiving groove 23. The direction of the notch 25 of the accommodating groove 23 may be opposite to the direction of the opening 22, the direction of the notch 25 of the accommodating groove 23 may be perpendicular to the direction of the opening 22, and the direction of the notch 25 of the accommodating groove 23 may be obtuse with the direction of the opening 22. If the opening 22 is directed downward, the accommodating groove 23 may be directed leftward, rightward, obliquely upward, and directly upward. The present application is not limited. In the present embodiment, the direction of orientation of the notch 25 of the accommodation groove 23 is perpendicular to the direction of orientation of the opening 22. The mounting portion 24 of the battery pack 15 may extend into the chute 21 from the opening 22 and into the accommodating groove 23 from the notch 25 by pushing the battery pack 15, and the mounting portion 24 of the battery pack 15 may extend into the accommodating groove 23 along the first direction X and push against the inner wall of the accommodating groove 23 to rotate the first locking member 19 until the notch 25 of the accommodating groove 23 faces away from the opening 22 when the first locking member 19 is rotated to be locked with the second locking member 20, thereby limiting the mounting portion 24 of the battery pack 15 in the accommodating groove 23 and locking the battery pack 15 to the battery change lock 16. When the second locking member 20 is rotated to be separated from the first locking member 19, the locking assembly 18 returns to the unlocked state. The second locking member 20 may be separated from the first locking member 19 by rotating the second locking member 20, and when the second locking member 20 is rotated to be separated from the first locking member 19, the locking assembly 18 returns to the unlocked state, the notch 25 of the receiving groove 23 faces the opening 22, so that the mounting portion 24 of the battery pack 15 may be separated from the receiving groove 23 and the sliding groove 21, and the battery pack 15 may be detached. Thereby facilitating the installation and removal of the battery pack 15.
In one embodiment, the locking assembly 18 further includes a first resilient member 33. The first elastic member 33 is preferably a torsion spring, which occupies a small space, and the first elastic member 33 may also adopt a structure such as a spring and a shrapnel, which is not limited in this application. The first elastic member 33 has one end connected to the first locking member 19 and the other end connected to the housing 17. When the locking assembly 18 is in the unlocked state, the first resilient member 33 is in a non-tensioned state. The first elastic member 33 is configured to provide an elastic force to the first locking member 19 to rotate toward the opening 22 when the locking assembly 18 is in the locked state. In the process of switching from the locking state to the unlocking state, the second locking piece 20 is rotated, so that the second locking piece 20 is separated from the first locking piece 19, the first elastic piece 33 drives the first locking piece 19 to return to the unlocking state, the notch 25 of the accommodating groove 23 faces the opening 22, the mounting part 24 of the battery pack 15 can be separated from the accommodating groove 23 and the sliding groove 21, the mounting part 24 of the battery pack 15 can be detached by rotating the second locking piece 20, and the battery pack 15 is easy to detach.
In one embodiment, the locking assembly 18 includes a second resilient member 34. The second elastic member 34 is preferably a torsion spring, which occupies a small space, and the second elastic member 34 may also adopt a structure such as a spring and a shrapnel, which is not limited in this application. The second elastic member 34 has one end connected to the second locking member 20 and the other end connected to the housing 17. The second resilient member 34 is configured to provide a resilient force to the second locking member 20 that rotates in a direction toward the opening 22 when the locking assembly 18 is in the unlocked state. When the locking assembly 18 is in the locked state, the second resilient member 34 is in a non-tensioned state. In the process of switching from the unlocked state to the locked state, the first locking member 19 is rotated, and the first locking member 19 may push against the second locking member 20, so that the second locking member 20 rotates and the second elastic member 34 is in a compressed state. Until the second elastic member 34 can drive the second locking member 20 to rotate in the opposite direction, that is, toward the opening 22, so that the second locking member 20 rotates in the opposite direction, the second locking member 20 and the first locking member 19 can be locked, and the mounting portion 24 of the battery pack 15 can be limited in the accommodating groove 23, so that the battery pack 15 can be locked in the power change lock 16, and the battery pack 15 is simple to mount.
In one embodiment, the power conversion lock 16 further includes an unlocking component 26, where the unlocking component 26 is movably connected to the second locking member 20, and the unlocking component 26 is used to rotate the second locking member 20 to separate the first locking member 19 from the second locking member 20. The unlocking assembly 26 can be pushed or pulled to drive the second locking member 20, thereby realizing the rotation of the second locking member 20. This facilitates the rotation of the second locking member 20 to be separated from the first locking member 19, facilitating the switching to the unlocked state, and thus facilitating the disassembly of the battery pack 15.
In one embodiment, the unlocking assembly 26 includes a pull wire 27. The pull wire 27 may be, but is not limited to, a wire, rope, or the like. One end of the pull wire 27 is connected to a side of the second locking member 20 opposite to the first locking member 19, and the other end passes out of the housing 17. The rotation of the second locking member 20 may be achieved by pulling one end of the pull wire 27 located outside the housing 17 to effect pulling of the second locking member 20. The mode of the pull wire 27 is simple to operate and high in reliability.
In one embodiment, the pull wire 27 passes out of the housing 17 in the second direction Y. Wherein the first direction X and the second direction Y intersect. In this embodiment, the first direction X and the second direction Y are perpendicular, so that the pull wire 27 is pulled conveniently to achieve unlocking, and the layout is more reasonable.
In one embodiment, the unlocking assembly 26 further includes an unlocking member 28. The unlocking member 28 may be in a shape of an elongated bar, rectangle, square, oval, etc., and is not limited in this application. The unlocking member 28 has one end rotatably connected to a side of the second locking member 20 opposite to the first locking member 19 and the other end rotatably connected to one end of the pulling wire 27. Pulling the pull wire 27 in this way moves the unlocking member 28 and thus the second locking member 20. The unlocking member 28 is provided to restrict the pulling direction of the wire 27 so that the wire 27 can be pulled in a straight direction, thereby preventing the wire 27 from being bent in the housing 17 to be worn when the second locking member 20 is pulled to rotate. In the unlocked state of the locking assembly 18, the unlocking piece 28 is inclined with respect to the pulling direction of the pull wire 27. With the locking assembly 18 in the locked state, the unlocking member 28 is horizontal or coincident with respect to the pulling direction of the pull wire 27.
In one embodiment, the unlocking assembly 26 includes a rotation shaft 47, and the rotation shaft 47 passes through the unlocking member 28 and the second locking member 20, so that the unlocking member 28 can rotate relative to the second locking member 20, thereby enabling one end of the unlocking member 28 to be rotatably connected to a side of the second locking member 20 opposite to the first locking member 19, which is simple in implementation.
In one embodiment, the unlocking member 28 is provided with a mounting groove 48, the pull wire 27 comprises a tip 49 and a wire body 50 connected to the tip, the wire body 50 passes out of the housing 17 along the second direction Y, and the tip 49 is rotatably arranged in the mounting groove 48. The other end of the unlocking member 28 can be rotatably connected to one end of the stay wire 27, and the implementation is simple.
In one embodiment, the power conversion lock 16 further includes a first support shaft 29 and a second support shaft 30 provided to the housing 17, and the first locking member 19 is rotatably provided to the first support shaft 29. The second locking member 20 is rotatably provided to the second support shaft 30. The first support shaft 29 and the second support shaft 30 may be cylindrical in shape so as to facilitate the rotation of the first locking member 19 and the second locking member 20. The first support shaft 29 may function to support the first locking member 19, and the second support shaft 30 may function to support the second locking member 20. The supporting effect is good.
In one embodiment, each of the first support shaft 29 and the second support shaft 30 includes a shaft body 31 and a stopper 32 connected to the shaft body 31, and the size of the stopper 32 is larger than the size of the shaft body 31 in the radial direction. It may mean that the size of the stopper 32 of the first support shaft 29 is larger than the size of the shaft body 31 of the first support shaft 29 in the radial direction of the first support shaft 29. It may also mean that the size of the stopper 32 of the second support shaft 30 is larger than the size of the shaft body 31 of the second support shaft 30 in the radial direction of the second support shaft 30. The shaft body 31 of the first support shaft 29 passes through the first locking member 19, and the first locking member 19 is clamped between the limiting portion 32 of the first support shaft 29 and the housing 17. This limits the position of the first locking member 19. The shaft body 31 of the second support shaft 30 passes through the second locking member 20, and the second locking member 20 is clamped between the limiting portion 32 of the second support shaft 30 and the housing 17. This can limit the position of the second locking member 20. The effect of limiting the position of the first locking member 19 and the position of the second locking member 20 is better.
In one embodiment, the power conversion lock 16 also includes a microswitch 38. The second locking member 20 is provided with a projection 46 on the side facing away from the first locking member 19. The position of the boss 46 changes when the second locking member 20 rotates. In the process of switching the locking assembly 18 from the unlocking state to the locking state, the rotation of the first locking member 19 drives the rotation of the second locking member 20, so as to realize the position change of the protruding portion 46. When the locking assembly 18 is in the locked state, the protrusion 46 presses against the micro-switch 38, and the micro-switch 38 is closed. When the latch assembly 18 is in the unlocked state, the boss 46 is separated from the microswitch 38 and the microswitch 38 is open. The locking assembly 18 can be determined to be in the unlocking state or the locking state through the opening and closing of the micro switch 38, and the locking assembly 18 can be determined to be in the locking state when the micro switch 38 is closed, so that the battery pack 15 is installed in place, and the electric vehicle 11 can be powered, and the operation is simple and the reliability is high. The state of the battery lock 16 can be monitored in this way, and the battery pack 15 is prevented from falling down.
Referring primarily to fig. 3 and 4, in one embodiment, the housing 17 includes a housing cover 39 and a housing body 40, the housing cover 39 being nestably disposed on the housing body 40. The housing body 40 includes a bottom surface 41 and side walls 42. The shape of the bottom surface 41 may be square, rectangular, or the like. In this embodiment, the bottom surface 41 is square, and the connection between two sides of the bottom surface 41 is rounded. The side wall 42 extends along the edge of the bottom surface 41, and the side wall 42 may surround the bottom surface 41. The bottom surface 41 and the side walls 42 enclose a receiving cavity 43 for receiving the locking assembly 18, the bottom surface 41 being provided with a boss 44 having a lower height than the side walls 42. It will be appreciated that the distance between the surface of the boss 44 and the bottom surface 41 is less than the distance between the surface of the sidewall 42 and the bottom surface 41. When the case cover 39 is closed to the case body 40, the case cover 39 abuts against the boss 44. This can limit the position of the cover 39 and provide good structural stability.
In one embodiment, when the cover 39 is closed to the housing body 40, a surface of the cover 39 away from the bottom surface 41 is flush with a surface of the sidewall 42 away from the bottom surface 41. The cover 39 is not easy to separate from the housing body 40, and the surface of the housing 17 is smoother and more beautiful.
In one embodiment, the boss 44 is provided with a mounting hole 45, and the mounting hole 45 penetrates the bottom surface 41 of the housing body 40. The housing 17 also includes a mount (not shown). The mounting may be a bolt. The mounting member is disposed through the mounting hole 45 for securing the power change lock 16 to an external structure. May be used to secure the power switch lock 16 to the frame 14. The boss 44 is provided with mounting holes 45 so that the supporting effect is better. The strength of the housing 17 is higher.
Fig. 7 is a schematic plan view of the first locking member 19 of the power conversion lock 16 shown in fig. 3. Referring to fig. 5, 6 and 7, in one embodiment, the first locking member 19 includes a first engagement wall 35 facing a side of the second locking member 20, and the receiving groove 23 is provided in the first engagement wall 35. The first engagement wall 35 includes a first edge 51 and a second edge 52 connected to opposite sides of the receiving groove 23, the first edge 51 being urged against the second locking member 20 when the locking assembly 18 is in the unlocked state. The mounting portion 24 of the battery pack 15 may extend into the accommodating groove 23 in the first direction X and push against the inner wall of the accommodating groove 23 to rotate the first locking member 19, so that the first edge 51 may push against the second locking member 20 to rotate. The first edge 51 is arc-shaped, and rotates more smoothly.
In one embodiment, receiving groove 23 includes a groove inner wall 53 and a groove inner edge 54, groove inner edge 54 being connected to groove inner wall 53, groove inner edge 54 extending obliquely from groove inner wall 53 in a direction away from receiving groove 23. When the locking assembly 18 is in the locked state, the inner edge 54 of the groove is clamped to the second locking member 20. The first edge 51 may push against the second locking member 20 to rotate until the inner edge 54 of the groove is clamped to the second locking member 20. The implementation is simple, and the clamping and the separation of the first locking piece 19 and the second locking piece 20 are easy to realize.
Fig. 8 is a schematic plan view of the second locking member 20 of the power conversion lock 16 shown in fig. 3. Referring to fig. 5, 6 and 8, the second locking member 20 includes a second mating wall 36 facing the side of the first locking member 19. The second mating wall 36 is arc-shaped, and the first locking member 19 can push against the second mating wall 36 to rotate, and the second mating wall 36 is arc-shaped, so that the rotation of the first locking member 19 is facilitated. The curvature of the first mating wall 35 may be adapted to the curvature of the second mating wall 36.
In one embodiment, the second engaging wall 36 is provided with a slot 37 in an inward recess, and when the locking assembly 18 is in the locked state, the first locking member 19 is locked in the slot 37 of the second locking member 20. When the locking assembly 18 is in the locked state, the first locking member 19 is locked more firmly, and the battery pack 15 is mounted more stably.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. A power conversion lock, comprising:
a housing;
the locking assembly comprises a first locking piece and a second locking piece; the first locking piece and the second locking piece are rotatably arranged in the shell; the first locking piece is provided with a containing groove for containing the battery pack;
the locking assembly comprises an unlocking state and a locking state; the first locking piece is separated from the second locking piece when the locking assembly is in the unlocking state; when the locking assembly is in the locking state, the first locking piece and the second locking piece are locked, so that the battery pack is locked in the accommodating groove.
2. The power conversion lock according to claim 1, wherein the housing is provided with a chute having an opening; when the locking assembly is in the unlocking state, the notch of the accommodating groove faces the opening; when the first locking piece rotates to be locked with the second locking piece, the locking assembly is in the locking state, and the notch of the accommodating groove faces away from the opening, so that the battery pack is locked in the accommodating groove; the locking assembly returns to the unlocked state when the second locking member rotates to disengage from the first locking member.
3. The power conversion lock according to claim 2, wherein the locking assembly further comprises a first elastic member, one end of the first elastic member is connected to the first locking member, and the other end is connected to the housing; when the locking assembly is in the unlocking state, the first elastic piece is in a non-tensioning state; the first elastic piece is used for providing an elastic force for the first locking piece to rotate towards the opening direction when the locking assembly is in the locking state; and/or
The locking assembly comprises a second elastic piece, one end of the second elastic piece is connected with the second locking piece, and the other end of the second elastic piece is connected with the shell; the second elastic piece is used for providing an elastic force for the second locking piece to rotate towards the opening direction when the locking assembly is in the unlocking state; the second elastic member is in a non-tensioned state when the locking assembly is in the locked state.
4. The power conversion lock according to claim 1, further comprising an unlocking assembly movably connected to the second locking member, the unlocking assembly being configured to rotate the second locking member to disengage the first locking member from the second locking member.
5. The power conversion lock according to claim 4, wherein the unlocking assembly comprises a pull wire, one end of the pull wire is connected to one side of the second locking piece opposite to the first locking piece, and the other end of the pull wire penetrates out of the shell.
6. The power conversion lock according to claim 5, wherein the unlocking assembly further comprises an unlocking member, one end of the unlocking member is rotatably connected to a side of the second locking member opposite to the first locking member, and the other end of the unlocking member is rotatably connected to one end of the stay wire.
7. The power conversion lock according to claim 1, wherein the first locking member includes a first engagement wall facing a side of the second locking member, the receiving groove being provided in the first engagement wall; the first matching wall comprises a first edge and a second edge which are connected to two sides of the accommodating groove, and when the locking assembly is in the unlocking state, the first edge is pushed against the second locking piece;
the first edge is arc-shaped; and/or
The accommodating groove comprises a groove inner wall and a groove inner edge, the groove inner edge is connected with the groove inner wall, and the groove inner edge extends obliquely from the groove inner wall to a direction far away from the accommodating groove; when the locking assembly is in the locking state, the inner edge of the groove is clamped with the second locking piece.
8. The power conversion lock according to claim 1, wherein the second locking member includes a second mating wall facing a side of the first locking member;
the second matching wall is provided with a clamping groove in an inward concave manner, and when the locking assembly is in the locking state, the first locking piece is clamped in the clamping groove of the second locking piece; and/or
The second mating wall is arcuate.
9. The power conversion lock according to claim 1, further comprising a micro switch; a protruding part is arranged on one side, away from the first locking piece, of the second locking piece; when the locking assembly is in the locking state, the protruding part is pressed against the micro switch, and the micro switch is closed; when the locking assembly is in the unlocking state, the protruding part is separated from the micro switch, and the micro switch is opened; and/or
The shell comprises a shell cover and a shell body, and the shell cover is arranged on the shell body in a closing manner; the shell body comprises a bottom surface and a side wall, the side wall extends along the edge of the bottom surface, a containing cavity for containing the locking component is formed by encircling the bottom surface and the side wall, and a boss with the height lower than that of the side wall is arranged on the bottom surface; when the shell cover is covered on the shell body, the shell cover is abutted to the boss.
10. An electric vehicle, comprising:
a frame;
a battery pack; and
A power conversion lock according to any one of claims 1 to 9, said power conversion lock being provided to said frame; the battery pack is detachably mounted on the frame through the power exchange lock.
CN202311578195.3A 2023-11-23 2023-11-23 Electric power change lock and electric vehicle Pending CN117465207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311578195.3A CN117465207A (en) 2023-11-23 2023-11-23 Electric power change lock and electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311578195.3A CN117465207A (en) 2023-11-23 2023-11-23 Electric power change lock and electric vehicle

Publications (1)

Publication Number Publication Date
CN117465207A true CN117465207A (en) 2024-01-30

Family

ID=89634755

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311578195.3A Pending CN117465207A (en) 2023-11-23 2023-11-23 Electric power change lock and electric vehicle

Country Status (1)

Country Link
CN (1) CN117465207A (en)

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