CN114987184A - Locking mechanism and battery pack locking unit of electric automobile - Google Patents

Locking mechanism and battery pack locking unit of electric automobile Download PDF

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Publication number
CN114987184A
CN114987184A CN202210578644.3A CN202210578644A CN114987184A CN 114987184 A CN114987184 A CN 114987184A CN 202210578644 A CN202210578644 A CN 202210578644A CN 114987184 A CN114987184 A CN 114987184A
Authority
CN
China
Prior art keywords
lock
locking
base
groove
shaft
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
CN202210578644.3A
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Chinese (zh)
Inventor
王艳宇
李鑫侃
李思明
陈海明
胡文丰
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.)
Ningbo Lansheng Intelligent Technology Co Ltd
Original Assignee
Ningbo Lansheng Intelligent Technology 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 Ningbo Lansheng Intelligent Technology Co Ltd filed Critical Ningbo Lansheng Intelligent Technology Co Ltd
Priority to CN202210578644.3A priority Critical patent/CN114987184A/en
Publication of CN114987184A publication Critical patent/CN114987184A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • 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)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The invention belongs to the field of automobile parts, and particularly relates to a locking mechanism, which comprises: the lock shaft comprises a base, a lock shaft body and a lock shaft body, wherein the base is provided with a lock groove which is used for accommodating a lock shaft on an automobile battery pack; the bolt is rotationally connected with the base and is used for opening or closing the lock groove; the anti-falling part is rotationally arranged on the base, and the end part of the anti-falling part can extend into or fall out of the locking groove; when the anti-release piece stretches into the lock groove, the end part of the anti-release piece can abut against the lock shaft, and the lock shaft abuts against the lock tongue and the inner wall of the lock groove. Compared with the prior art, the locking mechanism has the advantages that the locking shaft can be stably locked in the locking groove, and the unstable voltage condition caused by the shaking of the connection part of the battery pack and the vehicle when the vehicle shakes is prevented.

Description

Locking mechanism and battery pack locking unit of electric automobile
Technical Field
The invention belongs to the field of automobile parts, and particularly relates to a locking mechanism.
Background
The conventional battery installation methods for electric vehicles are generally classified into a fixed type and a replaceable type, wherein the fixed type battery is generally fixed on a vehicle, and the vehicle is directly used as a charging object during charging. The replaceable battery is generally fixed to a bracket of the vehicle in a movable mounting manner, and the battery can be removed to be replaced or charged separately, and then the replaced battery is mounted on the vehicle after being charged.
Among the prior art, the change mode of battery is including manual, various means such as automation, no matter which means, when the battery is installed in the bracket of vehicle, the bracket all needs to lock the battery on the bracket, in the lock base and the locking mechanism that bulletin number is CN213705146U, lock base includes base body and spring bolt, the spring bolt is rotationally located base body, and switch at locking state and unlocking state, make the lock axle can break away from or get into the locked groove, during the locking, the elasticity of spring can make the lock axle support the spring bolt, but the vibration of vehicle driving in-process can lead to the lock axle to rock about the locked groove easily, make the battery package become flexible with the junction of car and cause the unstable condition of voltage, meet too big vibration and still can lead to the lock axle to deviate from the condition emergence of locked groove.
Disclosure of Invention
The present invention provides a locking mechanism for solving the problem of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a locking mechanism is proposed, comprising: the lock comprises a base, a lock shaft and a lock shaft, wherein the base is provided with a lock groove which is used for accommodating a lock shaft on an automobile battery pack;
the bolt is rotatably connected with the base and is used for opening or closing the lock groove;
the anti-falling part is rotationally arranged on the base, and the end part of the anti-falling part can extend into or fall out of the lock groove;
when the anti-release piece stretches into the lock groove, the end part of the anti-release piece can be abutted against the lock shaft, and the lock shaft is abutted against the lock tongue and the inner wall of the lock groove.
In the above-described locking mechanism, the disengagement preventing member includes: the anti-falling shaft is rotatably connected with the base and is provided with an extrusion part, and the extrusion part can extend into or fall out of the lock groove; when the extrusion part extends into the lock groove, the extrusion part, the spring bolt and the inner wall of the lock groove are arranged in a triangular position.
In the locking mechanism, the two ends of the anti-falling shaft are respectively provided with a connecting part and a transmission part, the connecting part is rotatably connected with the base, and the extrusion part is located between the connecting part and the transmission part and is close to the connecting part.
In the above locking mechanism, an adsorption device is disposed on the base, the adsorption device is located below the transmission portion, and the adsorption device is used for driving the transmission portion to move downward.
In the above locking mechanism, a limit shaft is arranged on the base, the lock tongue can abut against the limit shaft, the limit shaft is located above the joint of the lock tongue and the base, and the locking cambered surface is located below the joint of the lock tongue and the base.
In the locking mechanism, the adsorption device includes an electromagnet, and the electromagnet generates an attraction force after being electrified and adsorbs the transmission part to the electromagnet.
In the above locking mechanism, a tension spring is disposed at an upper end of the transmission part, and the tension spring is connected to the base.
In the above locking mechanism, the locking arc surface is arranged on the lock tongue, the abutting arc surface is arranged on the extrusion part, the supporting surface is arranged in the lock groove, and the locking arc surface, the abutting arc surface and the supporting surface are arranged in a triangular shape.
In the locking mechanism, a mounting groove is formed in the base, a propping spring is arranged in the mounting groove, and the propping spring extends into the locking groove and props against the locking shaft.
In the above locking mechanism, the abutting spring is horizontally arranged and flush with the locking cambered surface.
A battery pack locking unit of an electric vehicle, comprising: the pull rod is rotatably connected with the lock tongue, and a return spring is arranged on the pull rod and connected with the base.
Compared with the prior art, the locking mechanism has the advantages that the locking shaft can be stably locked in the locking groove, and the unstable voltage condition caused by the shaking of the connection part of the battery pack and the vehicle when the vehicle shakes is prevented.
Drawings
FIG. 1 is a perspective view of the present locking mechanism;
FIG. 2 is a perspective view of the locking mechanism shown in the unlocked position;
FIG. 3 is a cross-sectional view of the present locking mechanism in a locked state;
FIG. 4 is a cross-sectional view of the present locking mechanism in an unlocked state;
fig. 5 is a perspective view of the battery pack locking unit of the electric vehicle in a locked state;
fig. 6 is a perspective view of the electric vehicle in a state where the battery pack locking unit is unlocked.
In the figure, 1, a base; 2. locking the groove; 3. a lock shaft; 4. a latch bolt; 5. the shaft is prevented from falling off; 6. a pressing section; 7. a connecting portion; 8. a transmission part; 9. an electromagnet; 10. a limiting shaft; 11. a tension spring; 12. locking the arc surface; 13. tightly abutting against the arc surface; 14. a support surface; 15. mounting grooves; 16. a resisting spring; 17. a pull rod; 18. a return spring.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, the lock mechanism includes: the automobile battery pack locking device comprises a base 1, a locking groove 2 and a locking mechanism, wherein the locking groove 2 is used for accommodating a locking shaft 3 on an automobile battery pack; the bolt 4 is rotatably connected with the base 1, and the bolt 4 is used for opening or closing the lock groove 2; the anti-falling part is rotationally arranged on the base 1, and the end part of the anti-falling part can extend into or fall out of the locking groove 2; when the anti-dropping part extends into the lock groove 2, the end part of the anti-dropping part can be abutted against the lock shaft 3, and the lock shaft 3 is abutted against the bolt 4 and the inner wall of the lock groove 2.
The lock tongue 4 can rotate relative to the base 1, so that the lock tongue 4 opens or closes the lock groove 2, when the lock groove 2 is opened, the lock shaft 3 can enter or depart from the lock groove 2, when the lock tongue 4 is closed, the lock shaft 3 can be limited in the lock groove 2, but for the normal opening and closing of the lock tongue 4, the length of the lock groove 2 is larger than the diameter of the lock shaft 3, so that the lock shaft 3 can be far away from the lock tongue 4 to provide a rotating space for the lock tongue 4, the anti-disengaging piece is rotatably arranged on the base 1, when the lock shaft 3 is positioned in the lock groove 2, the end part of the anti-disengaging piece rotates to extend into the lock groove 2, the anti-disengaging piece can abut against the lock shaft 3, so that the lock shaft 3 abuts against the inner walls of the lock tongue 4 and the lock groove 2, in the running process of a vehicle, the anti-disengaging shaft 5 always gives a stable thrust to the lock shaft 3, so that the lock shaft 3 can be enclosed between the anti-disengaging shaft 5, the lock tongue 4 and a contact surface with the lock groove 2, make lock axle 3 firmly locked, the vibration during the driving also can not lead to lock axle 3 to rock for vehicle voltage is more stable.
Anticreep piece includes: the anti-falling shaft 5 is rotatably connected with the base 1, the anti-falling shaft 5 is provided with an extrusion part 6, and the extrusion part 6 can extend into or fall out of the lock groove 2; when the extrusion part 6 extends into the lock groove 2, the extrusion part 6, the lock tongue 4 and the inner wall of the lock groove 2 are arranged in a triangular position.
Prevent that release shaft 5 can drive extrusion portion 6 when rotating and can stretch into to locked groove 2, make extrusion portion 6 support tightly and drive locked shaft 3 and support tightly 2 inner walls of crowded spring bolt 4 prediction locked groove, extrusion portion 6 is the triangle-shaped position with the inner wall of spring bolt 4 and locked groove 2 and arranges, extrusion portion 6 is between the contact point of spring bolt 4 and locked shaft 3 and locked groove 2 inner wall to the pressure direction that locked shaft 3 was applyed, make locked shaft 3 can support tightly spring bolt 4 and locked groove 2 inner walls, adopt three position to restrict the position of locked shaft 3, prevent that the condition that locked shaft 3 rocked from taking place.
The two ends of the anti-falling shaft 5 are respectively provided with a connecting part 7 and a transmission part 8, the connecting part 7 is rotatably connected with the base 1, and the extrusion part 6 is positioned between the connecting part 7 and the transmission part 8 and is close to the connecting part 7.
The transmission part 8 is used for driving the anti-disengaging shaft 5 to integrally rotate, so that the extrusion part 6 is close to or far away from the lock shaft 3, the extrusion part 6 is located at a position close to the connecting part 7, the moment is increased after the transmission part 8 is stressed, and the anti-vibration effect of the lock shaft 3 is improved.
Be provided with adsorption equipment on base 1, adsorption equipment is located transmission portion 8 below, and adsorption equipment is used for driving transmission portion 8 downstream.
The adsorption device can drive the transmission part 8 to move downwards, so that the extrusion part 6 can enter the locking groove 2 and tightly abut against the locking shaft 3.
The adsorption device comprises an electromagnet 9, and the electromagnet 9 generates suction force after being electrified and adsorbs the transmission part 8 on the electromagnet 9.
The electromagnet 9 is adopted to provide the downward pressure of the transmission part 8, and the electromagnet 9 can be connected with a power supply through a corresponding control component in the vehicle, so that the electromagnet 9 is conveniently powered on or powered off.
The upper end of the transmission part 8 is provided with a tension spring 11, and the tension spring 11 is connected with the base 1.
When the electromagnet 9 is powered off, the tension spring 11 can provide restoring force to enable the extrusion part 6 to be far away from the lock shaft 3, and then the lock shaft 3 can move without the bolt 4 providing a rotating space
The locking bolt 4 is provided with a locking cambered surface 12, the extrusion part 6 is provided with a abutting cambered surface 13, a supporting surface 14 is arranged in the locking groove 2, the abutting cambered surface 13 is located above the locking cambered surface 12, and the locking cambered surface 12, the abutting cambered surface 13 and the supporting surface 14 are arranged in a triangular mode.
Locking cambered surface 12 and support tight cambered surface 13 and can laminate more with lock shaft 3, provide more stable tight power of supporting, the radian of cambered surface can be selected according to the big or small adaptability of lock shaft 3.
Be provided with spacing axle 10 on the base 1, when spring bolt 4 was in the locking state, spring bolt 4 can support and lean on in spacing axle 10, and spacing axle 10 is located the junction top of spring bolt 4 and base 1, and locking cambered surface 12 is located the junction below of spring bolt 4 and base 1.
Spacing axle 10 can restrict the turned angle of spring bolt 4, and when 6 extrusion lock shafts 3 of extrusion portion, lock shafts 3 can give 12 thrust of locking cambered surface, can make spring bolt 4 have a pivoted trend, and spring bolt 4 supports and leans on spacing axle 10, prevents that spring bolt 4 from being opened.
An installation groove 15 is formed in the base 1, a propping spring 16 is arranged in the installation groove 15, and the propping spring 16 extends into the lock groove 2 and props against the lock shaft 3.
When the lock shaft 3 enters the lock groove 2, the abutting spring 16 can abut against the lock shaft 3, so that the lock shaft 3 initially abuts against the locking cambered surface 12, and the abutting cambered surface 13 cannot be attached to the lock shaft 3 to block the lock shaft when the follow-up extrusion part 6 extrudes the lock shaft 3.
The abutting spring 16 is horizontally arranged and is flush with the locking arc surface 12, so that the situation that the force of the abutting spring 16 is offset with the force of the extrusion part 6 is prevented, and on the other hand, the lock shaft 3 can further abut against the lock tongue 4.
A battery pack locking unit of an electric vehicle, comprising: and the pull rod 17 is rotatably connected with the bolt 4, a return spring 18 is arranged on the pull rod 17, and the return spring 18 is connected with the base.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions of the present invention as related to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated is indicative. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of the technical solutions by those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims (10)

1. A locking mechanism, comprising:
the lock shaft comprises a base, a lock shaft body and a lock shaft body, wherein the base is provided with a lock groove which is used for accommodating a lock shaft on an automobile battery pack;
the bolt is rotatably connected with the base and is used for opening or closing the lock groove;
the anti-falling part is rotationally arranged on the base, and the end part of the anti-falling part can extend into or fall out of the locking groove;
when the anti-release piece stretches into the lock groove, the end part of the anti-release piece can be abutted against the lock shaft, and the lock shaft is abutted against the lock tongue and the inner wall of the lock groove.
2. The locking mechanism of claim 1, wherein the anti-release member comprises: the anti-falling shaft is rotatably connected with the base and is provided with an extrusion part, and the extrusion part can extend into or fall out of the lock groove; when the extrusion part extends into the lock groove, the extrusion part, the spring bolt and the inner wall of the lock groove are arranged in a triangular position.
3. The locking mechanism of claim 1, wherein the two ends of the anti-falling shaft are respectively provided with a connecting portion and a transmission portion, the connecting portion is rotatably connected to the base, and the pressing portion is located between the connecting portion and the transmission portion and close to the connecting portion.
4. The locking mechanism of claim 2, wherein the base is provided with a suction device, the suction device is located below the transmission portion, and the suction device is configured to drive the transmission portion to move downward.
5. The locking mechanism as claimed in claim 4, wherein the base is provided with a limit shaft, the lock tongue can abut against the limit shaft, the limit shaft is located above the connection between the lock tongue and the base, and the locking arc surface is located below the connection between the lock tongue and the base.
6. The locking mechanism of claim 4, wherein a tension spring is disposed at an upper end of the transmission portion, and the tension spring is connected to the base.
7. The locking mechanism of claim 1, wherein the locking tongue is provided with a locking arc surface, the pressing portion is provided with a tightening arc surface, the locking groove is provided with a support surface, and the locking arc surface, the tightening arc surface and the support surface are arranged in a triangular shape.
8. The locking mechanism of claim 6, wherein a mounting groove is formed in the base, and a biasing spring is disposed in the mounting groove and extends into the locking groove to bias against the locking shaft.
9. The locking mechanism of claim 6, wherein the biasing spring is horizontally disposed and flush with the locking contour.
10. A battery pack locking unit of an electric vehicle, comprising the locking mechanism of any one of claims 1 to 9, characterized in that: the spring bolt locking device is characterized by further comprising a pull rod, the pull rod is rotatably connected with the spring bolt, a return spring is arranged on the pull rod, and the return spring is connected with the base.
CN202210578644.3A 2022-05-26 2022-05-26 Locking mechanism and battery pack locking unit of electric automobile Pending CN114987184A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210578644.3A CN114987184A (en) 2022-05-26 2022-05-26 Locking mechanism and battery pack locking unit of electric automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210578644.3A CN114987184A (en) 2022-05-26 2022-05-26 Locking mechanism and battery pack locking unit of electric automobile

Publications (1)

Publication Number Publication Date
CN114987184A true CN114987184A (en) 2022-09-02

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ID=83029257

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210578644.3A Pending CN114987184A (en) 2022-05-26 2022-05-26 Locking mechanism and battery pack locking unit of electric automobile

Country Status (1)

Country Link
CN (1) CN114987184A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116131502A (en) * 2023-04-19 2023-05-16 大唐（云南）水电联合开发有限责任公司 Stable type water turbine stator frame

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116131502A (en) * 2023-04-19 2023-05-16 大唐（云南）水电联合开发有限责任公司 Stable type water turbine stator frame
CN116131502B (en) * 2023-04-19 2023-06-27 大唐（云南）水电联合开发有限责任公司 Stable type water turbine stator frame

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