CN113199930B - Locking mechanism and electric automobile - Google Patents
Locking mechanism and electric automobile Download PDFInfo
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- CN113199930B CN113199930B CN202110574556.1A CN202110574556A CN113199930B CN 113199930 B CN113199930 B CN 113199930B CN 202110574556 A CN202110574556 A CN 202110574556A CN 113199930 B CN113199930 B CN 113199930B
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- locking
- lock tongue
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- 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
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- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a locking mechanism and an electric automobile, wherein the locking mechanism is used for locking an automobile body and a battery pack of the electric automobile, the locking mechanism comprises a lock base, a lock tongue structure and a switching assembly, and the lock base is arranged on the battery pack; the lock tongue structure comprises a lock tongue which is movably arranged on the vehicle body, the lock tongue is arranged corresponding to the lock seat and is provided with a locking position clamped with the lock seat and an unlocking position separated from the lock seat; the switching component is arranged corresponding to the bolt and used for switching the bolt between the locking position and the unlocking position. According to the technical scheme, the vehicle body and the battery pack are locked through the bolt structure, the bolt is switched between the locking position and the unlocking position through the switching assembly, locking and unlocking are achieved, the structure is simple, and operation is convenient.
Description
Technical Field
The invention relates to the technical field of electric automobiles, in particular to a locking mechanism and an electric automobile.
Background
At present, the charging time of the electric automobile is too long compared with the refueling time of the traditional fuel vehicle, so that the anxiety problem of the endurance mileage of the electric automobile exists. The conventional quick replacement device for the power battery pack is complex in structure and inconvenient to operate, and the time required for replacing the battery pack every time is long.
Disclosure of Invention
The invention mainly aims to provide a locking mechanism and an electric automobile, and aims to solve the problems that an existing power battery pack quick replacement device is complex in structure, inconvenient to operate and long in time required for replacing a battery pack.
In order to achieve the above object, the present invention provides a locking mechanism for locking a vehicle body and a battery pack of an electric vehicle, the locking mechanism including:
the lock seat is used for being arranged on the battery pack;
the lock tongue structure comprises a lock tongue which is movably arranged on the vehicle body, the lock tongue is arranged corresponding to the lock seat and is provided with a locking position clamped with the lock seat and an unlocking position separated from the lock seat; and the number of the first and second groups,
the switching assembly is arranged corresponding to the lock tongue and used for switching the lock tongue between the locking position and the unlocking position.
Optionally, a long locking hole is formed through the lock base, a locking protrusion corresponding to the locking hole is formed at an end of the lock tongue, and the locking protrusion has a rotational movement stroke and a linear movement stroke moving towards the lock base;
in the unlocking position, the locking convex part is arranged in parallel with the locking hole, and the locking hole can be used for the locking convex part to pass through in a yielding way;
in the locking position, the locking convex part and the locking hole are arranged at an included angle, and a gap is formed between the locking convex part and the edge of the locking hole.
Optionally, the bolt structure further includes a mounting housing, and a mounting cavity with an opening at one end is formed in the mounting housing;
one end of the lock tongue, which is far away from the locking convex part, is spirally and movably arranged in the mounting cavity.
Optionally, the switching assembly includes a spiral chute and a projection, the spiral chute and the projection are disposed on a surface of the installation cavity opposite to the latch and are matched with each other, one of the spiral chute and the projection is disposed on the latch, and the other is disposed on a side wall of the installation cavity.
Optionally, the lock tongue structure further comprises an installation boss, the installation boss is rotatably installed on the outer side of the lock tongue along the length direction axis of the lock tongue and is arranged corresponding to one end of the lock tongue, which is far away from the locking convex part;
the switching assembly further comprises a position retaining structure, the position retaining structure comprises a return groove and a hooked needle which are arranged on the surface of the mounting boss opposite to the mounting shell and are in sliding fit with each other, one of the return groove and the hooked needle is arranged on the mounting boss, and the other is arranged on the mounting shell;
a first clamping groove part and a second clamping groove part are formed in the returning groove on the linear moving stroke of the locking convex part;
the latch needle is respectively in the spring bolt is in when latched position with the unblock position correspond with first joint slot part with second joint slot part joint.
Optionally, the switching assembly further includes an elastic resetting member, the elastic resetting member is disposed between one end of the lock tongue, which is far away from the locking convex portion, and the inner wall of the installation cavity, and is used for resetting the lock tongue to switch from the locking position to the unlocking position.
Optionally, the deadbolt structure further comprises a mounting housing;
a locking groove is formed in the outer side wall of the lock tongue, and the locking groove is arranged corresponding to one end, far away from the locking convex part, of the lock tongue;
the locking mechanism further comprises a locking assembly, the locking assembly comprises a bolt arranged on the bottom wall of the installation shell, the bolt is arranged corresponding to the locking groove and can move along the groove depth direction of the locking groove, and the bolt is inserted into the locking groove when the bolt is located at the locking position.
Optionally, the locking assembly further comprises:
the driving motor is arranged on the bottom wall of the mounting shell and is provided with an output shaft arranged along the transverse direction;
the threaded connection structure comprises a stud and a threaded hole which are matched with each other in a threaded manner, the stud is connected to the output shaft in a driving manner, and the threaded hole is correspondingly formed in the bolt; and (c) a second step of,
the guide structure is arranged on the bottom wall of the installation shell and comprises limiting blocks which are arranged on two sides of the bolt respectively and used for guiding the bolt to move along the transverse direction.
The present invention also provides an electric vehicle, comprising:
a vehicle body;
the battery pack comprises a main body and side beams, wherein the side beams are respectively arranged on two sides of the main body along the width direction of the main body; and the number of the first and second groups,
the locking mechanism is used for locking a vehicle body and a battery pack of the electric vehicle, and comprises a lock seat, a lock tongue structure and a switching assembly, wherein the lock seat is arranged on the battery pack; the lock tongue structure comprises a lock tongue which is movably arranged on the vehicle body, the lock tongue is arranged corresponding to the lock seat and is provided with a locking position clamped with the lock seat and an unlocking position separated from the lock seat; the switching component is arranged corresponding to the lock tongue and used for switching the lock tongue between the locking position and the unlocking position.
Optionally, the number of the locking mechanisms is at least four, two locking mechanism groups are distributed on the four locking mechanisms at intervals along the length direction of the main body, and two locking mechanisms in each locking mechanism group are distributed at intervals along the width direction of the main body.
In the technical scheme of the invention, the locking mechanism comprises a lock seat arranged on the battery pack and a lock tongue arranged on the vehicle body, the lock tongue is matched and locked with the lock seat, and the lock tongue is provided with a locking position clamped with the lock seat and an unlocking position separated from the lock seat; the locking mechanism is further provided with a switching assembly corresponding to the lock tongue, the switching assembly is used for enabling the lock tongue to be switched between the locking position and the unlocking position, locking and unlocking are achieved, the structure is simple, and operation is convenient and fast.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of a locking mechanism provided in the present invention;
fig. 2 is an assembly view of the latch bolt and the lock base in fig. 1;
FIG. 3 is an exploded perspective view of the locking mechanism of FIG. 1;
FIG. 4 is a schematic cross-sectional view taken along A-A of FIG. 1;
FIG. 5 is a schematic perspective view of the mounting housing of FIG. 1;
fig. 6 is a schematic perspective view of the latch bolt structure in fig. 1;
FIG. 7 is an assembly view of the deadbolt structure of FIG. 1;
FIG. 8 is a perspective view of the position maintaining structure of FIG. 7;
FIG. 9 is a perspective view of the locking assembly of FIG. 7;
fig. 10 is a schematic perspective view of an electric vehicle according to an embodiment of the present invention;
fig. 11 is a perspective view illustrating the battery pack of fig. 10.
The embodiment of the invention is illustrated by reference numerals:
the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
At present, the charging time of the electric automobile is too long compared with the refueling time of the traditional fuel vehicle, so that the problem of anxiety of the endurance mileage of the electric automobile exists. The conventional power battery pack quick replacement device is complex in structure, inconvenient to operate and long in time required for replacing the battery pack every time.
In view of this, the invention provides a locking mechanism and an electric vehicle. Fig. 1 to 9 illustrate an embodiment of a locking mechanism according to the present invention, and fig. 10 to 11 illustrate an embodiment of an electric vehicle according to the present invention.
Referring to fig. 1 to 4, the locking mechanism 100 is used for locking a body 200 and a battery pack 300 of an electric vehicle, the locking mechanism 100 includes a lock base 1, a latch structure 2 and a switching assembly 3, and the lock base 1 is used for being disposed on the battery pack 300; the bolt structure 2 comprises a bolt 21 movably arranged on the vehicle body 200, the bolt 21 is arranged corresponding to the lock base 1 and is provided with a locking position clamped with the lock base 1 and an unlocking position separated from the lock base 1; the switching assembly 3 is disposed corresponding to the lock tongue 21 to switch the lock tongue 21 between the locking position and the unlocking position.
In the technical scheme of the invention, the locking mechanism 100 comprises a lock seat 1 arranged on a battery pack 300 and a lock tongue 21 arranged on a vehicle body 200, wherein the lock tongue 21 is matched and locked with the lock seat 1, and the lock tongue 21 is provided with a locking position clamped with the lock seat 1 and an unlocking position separated from the lock seat 1; the locking mechanism 100 is further provided with a switching component 3 corresponding to the lock tongue 21, the switching component 3 is used for switching the lock tongue 21 between the locking position and the unlocking position to realize locking and unlocking, and the locking mechanism is simple in structure and convenient and fast to operate.
Referring to fig. 2, a long locking hole 11 is formed through the lock base 1, a locking protrusion 22 corresponding to the locking hole 11 is formed at an end of the locking tongue 21, and the locking protrusion 22 has a rotational movement stroke and a linear movement stroke moving toward the lock base 1; in the unlocking position, the locking convex part 22 is arranged in parallel with the locking hole 11, and the locking hole 11 can be used for the abdicating and penetrating of the locking convex part 22; the latched position, locking convex part 22 with locking hole 11 is the contained angle setting, and with be formed with the clearance between the edge of locking hole 11, so set up, through the rotation of spring bolt 21 and sharp activity realize the unlocked position with switch between the latched position, reach the purpose of unblock and locking, unblock and locking speed are fast, save time.
With further reference to fig. 3 and 4, the latch bolt structure 2 further includes a mounting housing 25, and a mounting cavity 2541 with an opening at one end is formed in the mounting housing 25; one end of the lock tongue 21, which is far away from the locking convex part 22, is spirally movably mounted in the mounting cavity 2541, and the rotation and linear movement of the lock tongue 21 are realized through the spiral movable mounting of the lock tongue 21.
Specifically, the mounting housing 25 includes an upper housing 251 and a lower housing 252 which are fastened to each other, a cavity is formed in the upper housing 251 and the lower housing 252 together, an outward-turned folded edge 253 is provided at a joint of the upper housing 251 and the lower housing 252, and the latch structure 2 further includes a thread locking structure provided at the folded edge 253 for locking the upper housing 251 and the lower housing 252, so that the upper housing 251 and the lower housing 252 are fixedly connected.
More specifically, an annular housing 254 is disposed on a bottom wall of the lower housing 252, the mounting cavity 2541 is formed in the annular housing 254, one end of the lock tongue 21, which is far away from the locking protrusion 22, is spirally and movably mounted in the annular housing 254, and rotation and linear movement of the lock tongue 21 are achieved through the spiral movable mounting of the lock tongue 21.
Referring to fig. 5 and 6, the switching assembly 3 includes a spiral sliding groove 31 and a protrusion 32, which are disposed on a surface of the mounting cavity 2541 opposite to the latch bolt 21 and are matched with each other, one of the spiral sliding groove 31 and the protrusion 32 is disposed on the latch bolt 21, and the other is disposed on a sidewall of the mounting cavity 2541, when the latch bolt 21 moves linearly toward the lock base 1, the protrusion 32 slides in the spiral sliding groove 31, so as to drive the latch bolt 21 to rotate, that is, the latch bolt 21 can also rotate while moving linearly through the switching assembly 3, so that the latch bolt 21 is switched between the unlocking position and the locking position.
Specifically, the specific installation positions of the spiral chute 31 and the projection 32 are not limited in the present invention, and the spiral chute 31 may be disposed on a side wall of the lock tongue 21, and the projection 32 is disposed on a side wall corresponding to the installation cavity 2541, in this embodiment, the spiral chute 31 is disposed on a side wall of the installation cavity 2541, and the projection 32 is disposed on a side wall corresponding to the lock tongue 21, so that when the lock tongue 21 moves linearly toward the lock base 1, the projection 32 slides in the spiral chute 31 to drive the lock tongue 21 to rotate, that is, when the lock tongue 21 moves linearly, the switching assembly 3 can also rotate, so that the lock tongue 21 is switched between the unlocking position and the locking position.
More specifically, the spiral chute 31 is opened on the inner wall of the annular housing 254, the protrusion 32 is disposed on the corresponding side wall of the lock tongue 21, when the lock tongue 21 moves linearly toward the lock base 1, the protrusion 32 slides in the spiral chute 31, so as to drive the lock tongue 21 to rotate, that is, the lock tongue 21 can rotate while moving linearly through the switching assembly 3, so that the lock tongue 21 is switched between the unlocking position and the locking position.
Referring to fig. 7, the switching assembly 3 further includes an elastic resetting member 34, the elastic resetting member 34 is disposed between an end of the lock tongue 21 away from the locking protrusion 22 and an inner wall of the mounting cavity 2541, and is used for resetting the lock tongue 21 to switch from the locking position to the unlocking position, when the lock tongue 21 is switched from the locking position to the unlocking position, the lock tongue 21 is pressed in a direction close to the lock base 1, the lock tongue 21 moves linearly toward the lock base 1, at this time, the elastic resetting member 34 is in a compressed state, the protrusion 32 slides in the spiral sliding groove 31 to drive the lock tongue 21 to rotate to the unlocking position, the locking protrusion 22 is disposed in parallel with the locking hole 11, the elastic resetting member 34 pushes the lock tongue 21 to reset, the locking protrusion 22 penetrates through the lock base 1 from the locking hole 11, and unlocking is realized.
It should be noted that, the present invention does not limit the specific form of the elastic restoring member 34, and the elastic restoring member 34 may be an elastic washer, or an elastic metal sheet, and in this embodiment, the elastic restoring member 34 is configured as a spring.
Specifically, an installation convex portion 2511 (see fig. 4) is disposed on a top wall of the upper housing 251, the spring is disposed on the installation convex portion 2511 along the vertical direction, and a telescopic end of the spring can abut against one end of the lock tongue 21 away from the locking convex portion 22 to reset the lock tongue 21 to switch from the locking position to the unlocking position.
Referring to fig. 8, the lock tongue structure 2 further includes a mounting boss 23, the mounting boss 23 is rotatably mounted on the outer side of the lock tongue 21 along the longitudinal axis of the lock tongue 21, and is disposed corresponding to one end of the lock tongue 21 far from the locking protrusion 22; the switching assembly 3 further includes a position retaining structure 33, the position retaining structure 33 includes a return groove 331 and a hook pin 332 which are slidably fitted on a surface of the mounting boss 23 opposite to the mounting housing 25, one of the return groove 331 and the hook pin 332 is disposed on the mounting boss 23, and the other is disposed on the mounting housing 25; a first clamping groove part 3311 and a second clamping groove part 3312 are formed on the linear moving stroke of the locking convex part 22 in the returning groove 331; crochet hook 332 is in respectively spring bolt 21 is in the latched position with correspond during the unlocked position with first latch slot part 3311 with second latch slot part 3312 joint, work as spring bolt 21 removes to latched position perhaps during the unlocked position, for avoiding lug 32 is because of spring bolt 21's gravity is in slide in the spiral chute 31, lead to locking or unblock action to become invalid, crochet hook 332 correspond respectively with first latch slot part 3311 with second latch slot part 3312 joint guarantees spring bolt 21 is in latched position or the unlocked position keeps fixed.
Specifically, an avoidance groove is formed on one side of the side wall of the lower housing 252 of the mounting housing 25; the mounting boss 23 is accommodated in the avoidance groove; an accommodating groove 2521 is formed in a corresponding side wall of the lower housing 252, the crochet hook 332 has an opposite mounting end and a clamping end, the mounting end is disposed in the accommodating groove 2521, and the clamping end is slidably mounted in the loop-shaped groove 331, wherein a radial dimension of the accommodating groove 2521 is greater than a radial dimension of the crochet hook 332, so that the crochet hook 332 can swing in the accommodating groove 2521 along a transverse direction to provide avoidance for the clamping end to slide in the loop-shaped groove 331 in a reciprocating manner.
It should be noted that the returning groove 331 further includes a first turning groove portion 3313 and a second turning groove portion 3314 which are located below the second clamping groove portion 3312 and are distributed at two sides of the second clamping groove portion 3312 along a transverse interval, when the lock tongue 21 is located at the locking position, the crochet hook 332 is clamped with the first clamping groove portion 3311, in the unlocking process, a load is applied to the lock tongue 21 from bottom to top, the crochet hook 332 moves from the first clamping groove portion 3311 to the first turning groove portion 3313, at this time, the elastic restoring member 34 is in a compressed state, the protrusion 32 rises spirally in the spiral chute 31, the lock tongue 21 rotates relative to the lock base 1, so that the locking convex portion 22 rotates to be parallel to the locking hole 11, a load is continuously applied to the lock tongue 21, the elastic restoring member 34 continuously compresses, the protrusion 32 slides in a straight line segment at the top of the spiral chute 31, at this time, the protrusion 32 rises straight, the locking protrusion 22 stops rotating, and when the lock tongue 21 is pressed to the bottom, the protrusion 32 rises to the highest point, and at this time, the crochet hook 332 is located at the first turning groove portion 3313; when the load is stopped, the bump 32 falls down along the straight line segment at the top of the spiral chute 31 under the action of gravity, the locking convex part 22 does not rotate, the crochet hook 332 moves from the first rotary groove part 3313 to the second clamping groove part 3312 and is clamped with the second clamping groove part 3312, and the lock tongue 21 is ensured to be kept fixed at the unlocking position; similarly, in the locking process, a load is applied to the latch bolt 21 from bottom to top, the elastic reset member 34 is in a compressed state, the protrusion 32 rises along a straight line segment at the top of the spiral chute 31, the locking protrusion 22 does not rotate, at this time, the latch needle 332 moves from the first latch groove portion 3311 to the second swing groove portion 3314, the load application is stopped, the protrusion 32 spirally descends in the spiral chute 31 under the action of gravity, the latch bolt 21 rotates relative to the lock base 1, so that the locking protrusion 22 rotates to be arranged at an angle with the locking hole 11, at this time, the latch needle 332 moves from the second swing groove portion 3314 to the first latch groove portion 3311 and is latched with the first latch groove portion 3311, and the latch bolt 21 is ensured to be fixed at the locking position; thus, the lock tongue 21 is unlocked and locked by pressing; simple structure, easy and simple to handle, unblock and locking time are short.
Referring to fig. 9, a locking groove 24 is formed in an outer side wall of the locking tongue 21, and the locking groove 24 is disposed corresponding to an end of the locking tongue 21 away from the locking protrusion 22; the locking mechanism 100 further includes a locking assembly 4, the locking assembly 4 includes a bolt 41 disposed on the bottom wall of the installation housing 25, the bolt 41 corresponds to the locking groove 24 and can move along the depth direction of the locking groove 24, so that the locking tongue 21 is inserted into the locking groove 24 when the locking position is reached, the battery pack 300 is further locked, and the battery pack 300 is prevented from being stolen.
With further reference to fig. 9, the locking mechanism 100 further includes a locking assembly 4, the locking assembly 4 further includes a driving motor 42, a threaded connection structure 43 and a guiding structure 44, the driving motor 42 is disposed on the bottom wall of the mounting housing 25, and the driving motor 42 has an output shaft disposed along the transverse direction; the threaded connection structure 43 comprises a stud and a threaded hole which are matched with each other in a threaded manner, the stud is connected to the output shaft in a driving manner, and the threaded hole is correspondingly formed in the bolt 41; the guide structure 44 is arranged on the bottom wall of the installation shell 25 and comprises a limiting block arranged on two sides of the bolt 41 to guide the bolt 41 to move along the transverse direction, when the bolt 21 is in the locking position, the driving motor 42 drives the stud to rotate to drive the bolt 41 to be inserted into the locking groove 24 to further lock the battery pack 300, so that the battery pack 300 is prevented from being stolen.
It should be noted that the locking mechanism 100 further includes a circuit board assembly, the circuit board assembly is in telecommunication connection with the driving motor 42, the circuit board assembly further includes a wire harness 45 in telecommunication connection with an external power supply, the wire harness 45 is disposed through the side wall of the mounting housing 25, the circuit board assembly is used for enabling the driving motor 42 to have opposite rotation strokes so as to drive the plug pin 41 to be inserted into the locking groove 24 and to exit from the locking groove 24, and the free start and stop of the driving motor 42 are realized through the circuit board assembly.
In order to improve the applicability of the locking mechanism 100, the locking mechanism 100 further comprises a sealing structure, wherein the sealing structure comprises a housing sealing structure, a bolt sealing structure and a wiring harness sealing structure; the housing sealing structure includes a first sealing ring provided between the upper housing 251 and the lower housing 252; the lock tongue sealing structure comprises a second sealing ring which is sleeved outside the lock tongue 21 and clamped between the lock tongue 21 and the lower shell 252, so that the lock tongue 21 and the lower shell 252 are in interference fit to realize sealing; pencil seal structure is located including the cover the outer third sealing washer of circuit board assembly's pencil 45, the third sealing washer presss from both sides and locates pencil 45 with between the casing 252 down, be used for making pencil 45 with casing 252 interference fit down realizes sealedly, through setting up first sealing washer the second sealing washer and the third sealing washer realizes locking mechanism 100 is waterproof, dustproof, improves locking mechanism 100's suitability.
The invention further provides an electric vehicle, which comprises a vehicle body 200, a battery pack 300 and a locking mechanism 100 (please refer to fig. 10), wherein the battery pack 300 comprises a main body 301 and side beams 302, and the side beams 302 are respectively arranged at two sides of the main body 301 along the width direction of the main body 301; the locking mechanism 100 is used to lock the side member 302 and the vehicle body 200.
It should be noted that the locking mechanism 100 is the locking mechanism 100, and the electric vehicle includes all technical features of the locking mechanism 100, so that the electric vehicle also has technical effects brought by all the technical features, and details are not repeated here.
In the present invention, at least four locking mechanisms 100 are provided, two locking mechanism sets are distributed on the four locking mechanisms 100 at intervals along the length direction of the main body 301, and two locking mechanisms 100 in each locking mechanism set are distributed at intervals along the width direction of the main body 301, so that the balance of the installation of the battery pack 300 is ensured.
Referring to fig. 11, the side members 302 of the battery pack 300 are configured as triangular beams to improve rigidity, strength and stability of the side members 302; and a square avoidance hole 303 is formed in the side beam corresponding to the locking mechanism 100 and used for accommodating the locking mechanism 100, so that the locking mechanism 100 is guaranteed to be installed smoothly.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A locking mechanism for locking a vehicle body and a battery pack of an electric vehicle, the locking mechanism comprising:
the lock seat is used for being arranged on the battery pack;
the lock tongue structure comprises a lock tongue which is movably arranged on the vehicle body, the lock tongue is arranged corresponding to the lock seat, and the lock tongue structure is provided with a locking position which is clamped with the lock seat and an unlocking position which is separated from the lock seat; and (c) a second step of,
the switching assembly is arranged corresponding to the lock tongue and used for switching the lock tongue between the locking position and the unlocking position;
a long locking hole penetrates through the lock base, a locking convex part corresponding to the locking hole is formed at the end part of the lock tongue, and the locking convex part has a rotary moving stroke and a linear moving stroke moving towards the lock base;
in the unlocking position, the locking convex part is arranged in parallel with the locking hole, and the locking hole can be used for the locking convex part to pass through in a yielding way;
in the locking position, the locking convex part and the locking hole form an included angle, and a gap is formed between the locking convex part and the edge of the locking hole;
the lock tongue structure also comprises an installation shell, wherein an installation cavity with an opening at one end is formed in the installation shell;
one end of the lock tongue, which is far away from the locking convex part, is spirally and movably arranged in the mounting cavity;
the switching assembly comprises a spiral sliding groove and a convex block, wherein the spiral sliding groove and the convex block are arranged on the surface, opposite to the lock tongue, of the installation cavity and are matched with each other, one of the spiral sliding groove and the convex block is arranged on the lock tongue, and the other one of the spiral sliding groove and the convex block is arranged on the side wall of the installation cavity.
2. The locking mechanism of claim 1, wherein the locking bolt structure further comprises a mounting boss, the mounting boss is rotatably mounted on the outer side of the locking bolt along the longitudinal axis of the locking bolt and is arranged corresponding to one end of the locking bolt, which is far away from the locking boss;
the switching assembly further comprises a position retaining structure, the position retaining structure comprises a return groove and a hooked needle which are arranged on the surface of the mounting boss opposite to the mounting shell and are in sliding fit with each other, one of the return groove and the hooked needle is arranged on the mounting boss, and the other is arranged on the mounting shell;
a first clamping groove part and a second clamping groove part are formed in the returning groove on the linear moving stroke of the locking convex part;
the latch needle is respectively in the spring bolt is in when latched position with the unblock position correspond with first joint slot part with second joint slot part joint.
3. The locking mechanism of claim 1, wherein the switching assembly further comprises an elastic resetting member, the elastic resetting member is disposed between an end of the latch bolt away from the locking protrusion and an inner wall of the mounting cavity, and is used for resetting the latch bolt to switch from the locking position to the unlocking position.
4. The latch mechanism of claim 1 wherein the deadbolt structure further comprises a mounting housing;
the outer side wall of the lock tongue is provided with a locking groove, and the locking groove is arranged corresponding to one end of the lock tongue, which is far away from the locking convex part;
the locking mechanism further comprises a locking assembly, the locking assembly comprises a bolt arranged on the bottom wall of the installation shell, the bolt is arranged corresponding to the locking groove and can move along the groove depth direction of the locking groove, and the bolt is inserted into the locking groove when the bolt is located at the locking position.
5. The locking mechanism of claim 4, wherein the locking assembly further comprises:
the driving motor is arranged on the bottom wall of the mounting shell and is provided with an output shaft arranged along the transverse direction;
the threaded connection structure comprises a stud and a threaded hole which are matched with each other in a threaded manner, the stud is connected to the output shaft in a driving manner, and the threaded hole is correspondingly formed in the bolt; and the number of the first and second groups,
the guide structure is arranged on the bottom wall of the mounting shell and comprises limit blocks arranged on two sides of the bolt, and the limit blocks are used for guiding the bolt to move transversely.
6. An electric vehicle, characterized in that the electric vehicle comprises:
a vehicle body;
the battery pack comprises a main body and side beams, wherein the side beams are respectively arranged on two sides of the main body along the width direction of the main body; and (c) a second step of,
the locking mechanism of claims 1-5, configured to lock the side sill to the vehicle body.
7. The electric vehicle of claim 6, wherein the number of the locking mechanisms is at least four, and the four locking mechanisms are spaced along the length direction of the main body to form two locking mechanism groups, and the two locking mechanisms in each locking mechanism group are spaced along the width direction of the main body.
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| CN202110574556.1A CN113199930B (en) | 2021-05-25 | 2021-05-25 | Locking mechanism and electric automobile |
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| CN202110574556.1A CN113199930B (en) | 2021-05-25 | 2021-05-25 | Locking mechanism and electric automobile |
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| CN113199930B true CN113199930B (en) | 2022-07-22 |
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| WO2024061022A1 (en) * | 2022-09-23 | 2024-03-28 | 杭州海康机器人股份有限公司 | Battery swapping station |
| CN115534653B (en) * | 2022-10-24 | 2023-10-20 | 江苏众如金属科技有限公司 | Electronic heavy truck battery box locking device assembly |
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