Double-lock-rod electronic lock

Abstract

The invention relates to a double-lock-rod electronic lock which comprises a motor, the output end of the motor is connected with a first gear, the first gear is in meshed connection with a first large gear of a first gear assembly, a first small gear of the first gear assembly is in meshed connection with a second large gear of a second gear assembly, and a third large gear of a third gear assembly is in meshed connection with a second small gear of the second gear assembly. A third bevel gear of the third gear assembly is in meshed connection with a fourth bevel gear of the fourth gear assembly, a fourth gear of the fourth gear assembly is in meshed connection with a second rack, a direct-current charging port locking rod capable of locking a charging gun when direct-current charging is used is installed on the second rack, a third pinion of the third gear assembly is in meshed connection with the second gear, and the second gear is in meshed connection with a first rack. The first rack is provided with an alternating current charging port locking rod capable of locking the charging gun when alternating current charging is used. The alternating current charging port locking rod and the direct current charging port locking rod can be locked and unlocked at the same time, the alternating current charging end and the direct current charging end both have the locking function, the structure is compact, and reliability is high.

Description

Technical Field

[0001] The present invention relates to the technical field of automotive electronic locks, and more specifically, to a dual-lock-rod electronic lock for automobiles. Background Art

[0002] Currently, in the electronic lock device of a new energy vehicle charging gun, the electronic lock mainly realizes the locking / unlocking function of the electronic locking mechanism through the linkage of a motor-gear rack lock rod, etc., and realizes the signal detection and feedback of the locking-unlocking of the electronic locking mechanism through a touch switch / micro switch, providing guarantee for the safety of charging new energy vehicles.

[0003] However, in the existing structure of the electronic lock of a new energy vehicle, the electronic lock of the AC charging system is arranged in the charging seat, and the electronic lock of the DC charging system is arranged in the charging gun. As users' requirements for charging time are getting higher and higher, the demand for fast charging is gradually increasing, and more and more attention has been paid to the safety of the charging process. However, most of the existing charging guns are single-lock-rod electronic locks of the AC charging system, which cannot realize the function that an automotive charging electronic lock can lock both DC and AC charging guns.

[0004] Therefore, it would be of great significance to provide a dual-lock-rod electronic lock to solve the above problems. Summary of the Invention

[0005] The object of the present invention is to solve the above deficiencies and provide a dual-lock-rod electronic lock that can simultaneously lock and unlock the lock rods of the AC charging port and the DC charging port, so that both the AC charging end and the DC charging end of the charging seat have a locking function, and the structure is compact and the reliability is high.

[0006] To achieve the above object, a dual-lock-rod electronic lock is designed, which includes a motor 1. The output end of the motor 1 is connected to a first gear 2. The first gear 2 is meshed and connected to the large gear of a first gear assembly 3. The small gear of the first gear assembly 3 is meshed and connected to the large gear of a second gear assembly 4. A third gear assembly 5 includes a third bevel gear, a large gear, a small gear and a third gear shaft. The third bevel gear, the large gear and the small gear are all installed on the third gear shaft. The large gear is installed in the middle of the third gear shaft. The third bevel gear and the small gear are respectively arranged on both sides of the large gear. The large gear of the third gear assembly 5 is meshed and connected to the small gear of the second gear assembly 4. The third bevel gear of the third gear assembly 5 is meshed and connected to the fourth bevel gear of a fourth gear assembly 6. The gear of the fourth gear assembly 6 is meshed and connected to a second rack 7. A DC charging port lock rod 8 is installed on the second rack 7. The DC charging port lock rod 8 is used to lock the charging gun when using DC charging. The small gear of the third gear assembly 5 is meshed and connected to a second gear 9. The second gear 9 is meshed and connected to a first rack 10. An AC charging port lock rod 11 is installed on the first rack 10. The AC charging port lock rod 11 is used to lock the charging gun when using AC charging.

[0007] Further, gear one is a spur cylindrical gear. The first gear assembly 3 includes a large gear one, a small gear one, and a gear shaft one. Both the large gear one and the small gear one are mounted on the gear shaft one, and both the large gear one and the small gear one are spur cylindrical gears, which are not only easier to manufacture and process, but also have lower costs, and are more stable during meshing.

[0008] Further, the second gear assembly 4 includes a large gear two, a small gear two, and a gear shaft two. Both the large gear two and the small gear two are spur cylindrical gears. The large gear two is mounted at one end of the gear shaft two, and the small gear two is mounted at the other end of the gear shaft two. There is an installation gap reserved between the large gear two and the small gear two, and this gap can provide an installation space for the bevel gear four of the fourth gear assembly 6, making the structure more compact.

[0009] Further, both the large gear three and the small gear three of the third gear assembly 5 are spur cylindrical gears, and the bevel gear three of the third gear assembly 5 is a straight bevel gear, which is easier to manufacture and process, has lower costs, and is more stable during transmission.

[0010] Further, the fourth gear assembly 6 includes a bevel gear four, a gear four, and a gear shaft four. Both the bevel gear four and the gear four are mounted on the gear shaft four. The bevel gear four is a straight bevel gear, and the gear four is a spur cylindrical gear, which is easier to manufacture and process, has lower costs, and is more stable during transmission.

[0011] Further, the bevel gear three of the third gear assembly 5 is a straight bevel gear, and the gear two 9, the large gear three, and the small gear three of the third gear assembly 5 are all spur cylindrical gears, which are also easier to manufacture and process, have lower costs, and are more stable during transmission.

[0012] Further, an emergency unlocking handle 12 is also provided. The emergency unlocking handle 12 is connected to the first rack 10. The rotating handle of the emergency unlocking handle 12 drives the first rack 10 to unlock the AC charging port lock rod 11. The first rack 10 synchronously drives the gear two 9, the third gear assembly 5, the fourth gear assembly 6, and the second rack 7 to unlock the DC charging port lock rod 8. The emergency unlocking handle 12 is used to unlock the electronic lock when it is impossible to unlock and remove the gun normally after charging is completed, so as to achieve emergency unlocking.

[0013] Further, a micro switch 13 is also provided. The micro switch 13 is used to feedback signals. The micro switch 13 is arranged on one side of the first rack 10 and is connected in cooperation with the inclined surface on the side of the first rack 10 for signal feedback, so as to more accurately feedback the movement state of the electronic lock, improve the product applicability, and make the control more reliable.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] (1) The present invention drives the rotation of the second gear and the bevel gear of the fourth gear assembly respectively through the third gear assembly, so that the first rack drives the AC charging port lock rod to move, and the second rack drives the DC charging port lock rod to move, thereby realizing the simultaneous locking and unlocking of the AC charging port lock rod and the DC charging port lock rod;

[0016] (2) Through the integrated design structure of the double lock rods, the present invention enables both the AC charging end and the DC charging end of the charging base to have a locking function, realizing the function that an automotive charging electronic lock can lock both DC and AC charging guns;

[0017] (3) The structure of the present invention is simple and easy to manufacture, and can be emergently unlocked through an emergency unlocking handle. The micro switch can feedback signals, so as to more accurately feedback the movement state of the electronic lock, improving the applicability of the product and making the control more reliable;

[0018] (4) The structure of the present invention is compact and highly reliable, and can be applied to the electronic lock devices of new energy vehicle charging bases and charging guns, and is worthy of popularization and application. [BRIEF DESCRIPTION OF THE DRAWINGS]

[0019] Figure 1 is the three-dimensional structure schematic diagram of the present invention Figure I ;

[0020] Figure 2 is the three-dimensional structure schematic diagram of the present invention Figure II ;

[0021] Figure 3 is the front structure schematic diagram of the present invention;

[0022] Figure 4 is the left structure schematic diagram of the present invention;

[0023] Figure 5 is the right structure schematic diagram of the present invention;

[0024] Figure 6 is the top structure schematic diagram of the present invention;

[0025] Figure 7 is the bottom structure schematic diagram of the present invention;

[0026] In the figure: 1. Motor 2. First gear 3. First gear assembly 4. Second gear assembly 5. Third gear assembly 6. Fourth gear assembly 7. Second rack 8. DC charging port lock rod 9. Second gear 10. First rack 11. AC charging port lock rod 12. Emergency unlocking handle 13. Micro switch. [DETAILED DESCRIPTION OF THE INVENTION]

[0027] The present invention will be further described below in conjunction with the accompanying drawings:

[0028] As shown in the attachedFigure 1 To the attached Figure 7 As shown, the present invention provides a double-lock-rod electronic lock, which includes a motor 1. The output end of the motor 1 is connected to a first gear 2. The first gear 2 is meshed and connected to the large gear of a first gear assembly 3. The small gear of the first gear assembly 3 is meshed and connected to the large gear of a second gear assembly 4. A third gear assembly 5 includes a bevel gear three, a large gear three, a small gear three and a gear shaft three. The bevel gear three, the large gear three and the small gear three are all installed on the gear shaft three. The large gear three is installed in the middle of the gear shaft three. The bevel gear three and the small gear three are respectively arranged on both sides of the large gear three. The large gear three of the third gear assembly 5 is meshed and connected to the small gear of the second gear assembly 4. The bevel gear three of the third gear assembly 5 is meshed and connected to the bevel gear four of a fourth gear assembly 6. The gear of the fourth gear assembly 6 is meshed and connected to a second rack 7. A DC charging port lock rod 8 is installed on the second rack 7. The DC charging port lock rod 8 is used to lock the charging gun when using DC charging. The small gear three of the third gear assembly 5 is meshed and connected to a second gear 9. The second gear 9 is meshed and connected to a first rack 10. An AC charging port lock rod 11 is installed on the first rack 10. The AC charging port lock rod 11 is used to lock the charging gun when using AC charging.

[0029] Among them, the bevel gear three of the third gear assembly 5 is a straight bevel gear, and the second gear 9, the large gear three and the small gear three of the third gear assembly 5 are all straight cylindrical gears, which are also easier to manufacture and process, have lower costs, and have a more stable transmission. An emergency unlocking handle 12 is also provided. The emergency unlocking handle 12 is connected to the first rack 10. The rotating handle of the emergency unlocking handle 12 drives the first rack 10 to unlock the AC charging port lock rod 11. The first rack 10 synchronously drives the second gear 9, the third gear assembly 5, the fourth gear assembly 6 and the second rack 7 to unlock the DC charging port lock rod 8. The emergency unlocking handle 12 is used to unlock the electronic lock when it is impossible to unlock and remove the gun normally after charging is completed, so as to achieve emergency unlocking. A micro switch 13 is also provided. The micro switch 13 is used to feedback signals. The micro switch 13 is arranged on one side of the first rack 10 and is connected to the inclined surface on the side of the first rack 10 for signal feedback. Specifically, when in the unlocking position, the micro switch 13 is released. When locking, the first rack 10 cuts into the micro switch 13 and presses down the micro switch 13 to feedback signals, which can more accurately feedback the movement state of the electronic lock, improve the application of the product, and make the control more reliable.

[0030] Gear 1 is a spur cylindrical gear. Gear assembly 1-3 includes a large gear 1, a small gear 1, and a gear shaft 1. Both the large gear 1 and the small gear 1 are mounted on the gear shaft 1. Both the large gear 1 and the small gear 1 are spur cylindrical gears, which are not only easier to manufacture and process, but also have a lower cost. Moreover, during the meshing process, the transmission is more stable. Gear assembly 2-4 includes a large gear 2, a small gear 2, and a gear shaft 2. Both the large gear 2 and the small gear 2 are spur cylindrical gears. The large gear 2 is mounted at one end of the gear shaft 2, and the small gear 2 is mounted at the other end of the gear shaft 2. There is an installation gap reserved between the large gear 2 and the small gear 2, which can provide an installation space for the bevel gear 4 of gear assembly 4-6, making the structure more compact. Both the large gear 3 and the small gear 3 of gear assembly 3-5 are spur cylindrical gears, and the bevel gear 3 of gear assembly 3-5 is a straight bevel gear, which is easier to manufacture and process, has a lower cost, and the transmission is more stable. Gear assembly 4-6 includes a bevel gear 4, a gear 4, and a gear shaft 4. Both the bevel gear 4 and the gear 4 are mounted on the gear shaft 4. The bevel gear 4 is a straight bevel gear, and the gear 4 is a spur cylindrical gear, which is easier to manufacture and process, has a lower cost, and the transmission is more stable.

[0031] In the present invention, the motor 1 realizes locking and unlocking of the electronic lock through forward and reverse rotation; Gear 1-2 can be a 10-tooth spur cylindrical gear; Gear assembly 1-3 can be composed of a 10-tooth spur cylindrical gear and a 34-tooth spur cylindrical gear; Gear assembly 2-4 is composed of a 10-tooth spur cylindrical gear and a 36-tooth spur cylindrical gear; Gear assembly 3-5 is composed of a 14-tooth straight bevel gear, a 24-tooth spur cylindrical gear, and a 14-tooth spur cylindrical gear; Gear assembly 4-6 is composed of a 14-tooth straight bevel gear and a 14-tooth spur cylindrical gear; The DC charging port lock rod 8 has the function of locking the charging gun when using DC charging; Gear 2-9 can be a 14-tooth spur cylindrical gear; The AC charging port lock rod 11 has the function of locking the charging gun when using AC charging; The emergency unlocking handle 12 can be rotated to unlock the electronic lock when it is impossible to unlock and remove the gun normally after charging is completed; The micro switch 13 has the function of feedback signal.

[0032] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. The standard parts used can be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding in the prior art. The machines, parts, and equipment all adopt conventional models in the prior art. The circuit connection adopts the conventional connection method in the prior art, and will not be elaborated here.

[0033] The present invention is not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention shall be equivalent replacement methods and are all included in the protection scope of the present invention.

Claims

1. A double-locking-bar electronic lock, comprising a motor (1), characterized in that: The output end of the motor (1) is connected to gear 1 (2), the gear 1 (2) is meshed with the large gear 1 of the gear assembly 1 (3), the small gear 1 of the gear assembly 1 (3) is meshed with the large gear 2 of the gear assembly 2 (4), the gear assembly 3 (5) comprises bevel gear 3, large gear 3, small gear 3 and gear shaft 3, the bevel gear 3, large gear 3 and small gear 3 are all mounted on gear shaft 3, the large gear 3 is mounted in the middle of the gear shaft 3, the bevel gear 3 and small gear 3 are respectively arranged on both sides of the large gear 3, the large gear 3 of the gear assembly 3 (5) is meshed with the small gear 2 of the gear assembly 2 (4) Then, the bevel gear three of the gear assembly three (5) is meshedly connected with the bevel gear four of the gear assembly four (6), the gear four of the gear assembly four (6) is meshedly connected with the rack two (7), the rack two (7) is equipped with a DC charging port locking rod (8), the DC charging port locking rod (8) is used to lock the charging gun when using DC charging, the pinion three of the gear assembly three (5) is meshedly connected with the gear two (9), the gear two (9) is meshedly connected with the rack one (10), the rack one (10) is equipped with an AC charging port locking rod (11), the AC charging port locking rod (11) is used to lock the charging gun when using AC charging.

2. The double locking rod electronic lock according to claim 1, characterized in that: The gear one is a spur gear, the gear assembly one (3) comprises a large gear one, a small gear one and a gear shaft one, the large gear one and the small gear one are both mounted on the gear shaft one, and the large gear one and the small gear one are both spur gears.

3. The double locking rod electronic lock according to claim 1, characterized in that: The gear assembly 2 (4) comprises a large gear 2, a small gear 2 and a gear shaft 2, wherein the large gear 2 and the small gear 2 are both spur gears, the large gear 2 is mounted on one end of the gear shaft 2, and the small gear 2 is mounted on the other end of the gear shaft 2, and an installation gap is reserved between the large gear 2 and the small gear 2.

4. The double locking rod electronic lock according to claim 1, characterized in that: The large gear three and the small gear three of the gear assembly three (5) are both spur gears, and the bevel gear three of the gear assembly three (5) is a spur bevel gear.

5. The double locking rod electronic lock according to claim 1, characterized in that: The gear assembly four (6) comprises a bevel gear four, a gear four and a gear shaft four, wherein the bevel gear four and the gear four are both mounted on the gear shaft four, and the bevel gear four is a straight bevel gear, and the gear four is a straight cylindrical gear.

6. The double locking rod electronic lock according to claim 1, characterized in that: The bevel gear three of the gear assembly three (5) is a straight bevel gear, and the gear two (9) and the large gear three and small gear three of the gear assembly three (5) are all straight cylindrical gears.

7. The double locking rod electronic lock according to any one of claims 1 to 6, characterized in that: An emergency unlocking handle (12) is also provided. The emergency unlocking handle (12) is connected to the rack 1 (10). The rotating handle of the emergency unlocking handle (12) drives the rack 1 (10) to unlock the AC charging port lock rod (11). The rack 1 (10) synchronously drives the gear 2 (9), the gear assembly 3 (5), the gear assembly 4 (6), and the rack 2 (7) to unlock the DC charging port lock rod (8). The emergency unlocking handle (12) is used to unlock the electronic lock when the gun cannot be normally unlocked after charging is completed.

8. The double locking rod electronic lock according to claim 7, characterized in that: A micro switch (13) is also provided, and the micro switch (13) is used for feedback signal. The micro switch (13) is provided on one side of the rack (10) and is matched and connected with the inclined surface of the side surface of the rack (10) to perform signal feedback.

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