CN217553713U

CN217553713U - New energy automobile charging seat shutter with manual reset function

Info

Publication number: CN217553713U
Application number: CN202220992271.XU
Authority: CN
Inventors: 谢健; 谢鹏飞
Original assignee: Delphi Electrical Centers Shanghai Co Ltd
Current assignee: Delphi Electrical Centers Shanghai Co Ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-10-11
Anticipated expiration: 2032-04-26

Abstract

The utility model relates to a new energy automobile charging seat shutter with manual reset function, upper cover, lower casing including mutual concatenation, internal motor, worm, master gear, first bevel gear, second bevel gear, screw mechanism, PCBA circuit board and the stopper of being equipped with of inferior valve, the external handle that is equipped with of inferior valve, the handle passes through slewing mechanism and connects the stopper, the stopper is connected second bevel gear, second bevel gear the master gear is connected respectively screw mechanism, second bevel gear with first bevel gear meshing, the master gear with first bevel gear meshing, the worm is connected with master gear transmission, the worm is located on the motor shaft of motor. Compared with the prior art, the utility model has the advantages of can still can realize the unblock function, have high holding power under the outage condition.

Description

New energy automobile charging seat shutter with manual reset function

Technical Field

The utility model belongs to the technical field of new energy automobile charging seat technique and specifically relates to a new energy automobile charging seat shutter with manual reset function is related to.

Background

Electric automobile has extensive development prospect as a new energy vehicle, and electric automobile need utilize the socket that charges to charge. At present, charging seat shutter (electronic lock) on the new energy automobile is in the charging process, because locking state holding power is less, can lead to the shutter can't be with the effective locking of the rifle that charges, and the rifle that charges can probably be dialled out with electricity to lead to there being the electric leakage risk. In addition, under the condition of power failure, the electronic lock cannot be reset due to the fact that no manual unlocking function exists or manual unlocking is inconvenient, so that unlocking cannot be performed during power failure, the charging gun cannot be pulled out, and the serious consequences that products are damaged or customers complain about are easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a new energy automobile charging seat shutter with manual reset function in order to overcome the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a new energy automobile charging seat shutter with manual reset function, includes upper cover, the lower casing of mutual concatenation, internal motor, worm, master gear, first bevel gear, second bevel gear, screw mechanism, PCBA circuit board and the stopper of being equipped with of inferior valve, the external handle that is equipped with of inferior valve, the handle passes through slewing mechanism and connects the stopper, the stopper is connected second bevel gear, second bevel gear the master gear is connected respectively screw mechanism, second bevel gear with first bevel gear meshing, the master gear with first bevel gear meshing, the worm is connected with master gear transmission, the worm is located on the motor shaft of motor, the motor passes through the wire and connects PCBA circuit board.

Preferably, screw mechanism includes locking lever structure portion and the helical structure portion that the cooperation is connected, locking lever structure portion is equipped with connecting portion, runs through the metal rod of locating on the connecting portion to and locate the locking lever of connecting portion bottom, helical structure portion includes the screw rod, locates the screw thread on the screw rod to and locate the screw rod below and overlap the screw gear of establishing on the screw rod, the screw gear with master gear meshing, the one end of metal rod sets up towards the screw thread on the screw rod, sets up towards the screw rod the tip of metal rod is the half-cylinder structure, the helicla flute of the below of screw rod be close to the end of screw gear be equipped with shape, size and the tip assorted locking tail end of the half-cylinder structure of metal rod.

Preferably, the upper surface of the end part of the metal rod facing the screw rod is a plane, the lower surface is a semicircular arc surface, and the longitudinal section of the end part of the metal rod facing the screw rod is semicircular.

Preferably, the top surface of the locking tail end is a plane, the side surface of the locking tail end is a vertical surface, and the width of the locking tail end is the same as the thickness of the end of the metal rod, which is arranged towards the screw rod.

Preferably, the main gear includes from last worm wheel, intermediate gear and the pinion that reduces in proper order to size down, and intermediate gear, pinion are established to the cover from last to down in proper order on the worm-wheel shaft of worm wheel, the worm wheel with worm meshing transmission, the intermediate gear with screw gear meshes, the pinion with straight gear meshing on the first bevel gear, bevel gear on the first bevel gear with second bevel gear meshes.

Preferably, the rotating mechanism comprises a limiting block provided with a ratchet wheel, and the handle is connected with the limiting block through the ratchet wheel.

Preferably, the handle is respectively sleeved with the sealing ring, the limiting block and the second bevel gear and then embedded into the supporting block, and the supporting block is arranged on the lower shell.

Preferably, a through hole is formed at the position, corresponding to the lower shell, of the bottom of the lock rod.

Preferably, the lock rod is provided with an elastic sheet used for sliding on the PCBA circuit board.

Preferably, a sealing gasket is arranged between the lock rod and the lower shell.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) The utility model discloses stopper and handle have been set up, adopt the ratchet to be connected through the two, can realize manual mode, the rotation of handle drives the stopper when manual unblock promptly, the stopper drives second bevel gear and rotates, bevel gear meshing on second bevel gear and the first bevel gear, straight-teeth gear on the first bevel gear and the gear engagement on the screw rod, as second level cylinder straight-teeth gear pair, the rotation of drive screw rod, screw mechanism on the screw rod drives the locking lever and upwards operates, make the locking lever withdraw certain length from the through-hole of casing down as third level spiral pair, can still realize the unblock function under the outage circumstances, also can restrict the pivoted angle simultaneously.

2) The utility model improves the structure of the prior screw mechanism, the screw mechanism is locked, and the stroke of the lock rod can be adjusted; in addition, the metal rod of the lock rod is characterized in that the top surface is a plane, the bottom surface is a semicircular plane, and the bottom threads of the screw rod are also improved in a matched mode, so that when the metal rod is matched with the screw rod in a spiral mode, the contact area is large, the metal rod is not prone to moving, and accordingly the metal rod has large holding force.

Drawings

Fig. 1 is an external structural schematic diagram of a new energy automobile charging seat shutter with a manual reset function in an up-lock state in an embodiment;

fig. 2 is an external structural schematic diagram of a new energy automobile charging seat shutter with a manual reset function in an unlocked state in the embodiment;

fig. 3 is a schematic structural diagram of the main structure in the lower housing of the shutter of the charging dock of the new energy vehicle with a manual reset function in the embodiment;

fig. 4 is an exploded view of the main structure of the shutter of the charging dock of the new energy vehicle with a manual reset function in the embodiment;

FIG. 5 is a schematic structural diagram of a screw mechanism of a shutter of a charging seat of a new energy automobile with a manual reset function in an embodiment;

FIG. 6 is a schematic structural diagram of a limiting block of an opening and closing device of a charging seat of a new energy automobile with a manual reset function in the embodiment;

the reference numbers in the figures indicate:

1. the upper cover, 2, the lower casing, 3, the metal rod, 301, the upper surface, 302, the lower surface, 4, the screw rod, 5, the screw gear, 6, the locking lever, 7, the motor, 8, the locking tail end, 9, the worm, 10, the master gear, 11, the first bevel gear, 12, the second bevel gear, 13, the PCBA circuit board, 14, the stopper, 15, the handle, 16, the sealing washer, 17, the shell fragment, 18, the supporting block, 19, the sealing gasket, 20, the ratchet.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1 to 6, the utility model relates to a new energy automobile charging seat shutter with manual reset function, which comprises an upper cover 1 and a lower shell 2 which are spliced with each other. Lower casing 2 and upper cover 1 are sealed fixed, are equipped with the PIN needle in the lower casing 2 for the transmission signal.

The lower shell 2 is internally provided with a motor 7, a worm 9, a main gear 10, a first bevel gear 11, a second bevel gear 12, a screw mechanism, a PCBA circuit board 13 and a limiting block 14. A handle 15 is arranged outside the lower shell 2, and the handle 15 is connected with a limiting block arranged in the lower shell 2. The size of the first bevel gear 11 is larger than the size of the second bevel gear 12.

Screw mechanism is as shown in fig. 5, including locking lever structure portion and screw rod structure portion, locking lever structure portion is including locating the connecting portion of top and locating the locking lever 6 of connecting portion bottom, and locking lever 6 is the cylinder structure, and the position department that the bottom of locking lever 6 corresponds casing 2 down is equipped with the through-hole for locking lever 6 is through realizing upper and lower removal on vertical plane, makes its tip stretch out and draw back outside casing 2 down. The metal rod 3 is arranged above the connecting portion in a penetrating mode, the metal rod 3 is of a transverse cylinder structure, one end, which is not in contact with the spiral structure, of the metal rod is of a cylinder structure, the upper surface 301, which is in contact with the spiral structure, of the other end of the metal rod is of a plane structure, and the lower surface 302 of the metal rod is of a semi-arc surface, namely the longitudinal section, which is in contact with the spiral structure, of the other end of the metal rod 3 is of a semi-circle shape. The spiral structure part comprises a screw rod 4 and a screw rod gear 5 which is arranged below the screw rod 4 and sleeved on the screw rod 4, and the screw rod gear 5 is used for being meshed with a main gear 10 in the lower shell 2. The top of screw rod 4 is equipped with the outside bellied spiral line that connects gradually that thickness is unanimous, and the helicla flute of below is close to the end of screw gear 5 and is equipped with locking tail end 8, and locking tail end 8 is irregular spiral arc, and the top surface of locking tail end 8 is the plane, and the side is vertical face, and the width of locking tail end 8 is the same with the thickness of the other end of helical structure contact with metal rod 3.

According to the above design, when the lock rod 6 is an active part, the bottom surface of the other end of the metal rod 3 is a semi-arc surface, and the metal rod 3 can move up and down along a spiral by combining with the spiral on the screw rod 4. Because the top surface of the other end of the metal rod 3 is a plane, when the lock rod 6 moves to the bottom of the screw rod, namely the spiral groove at the lowest part, the lock rod is combined with the locking tail end 8 of which the top surface at the lowest part is a plane, so that the lock rod 6 cannot move and has larger holding force. Through the characteristic plane of locking lever 6 and locking tail end 8 for when pushing down locking lever 6, locking lever 6 has great self-locking power, and the rifle that charges is difficult for pulling out, increases the security. And because the stroke of the lock rod of the spiral lifting mechanism is adjustable, the whole spiral mechanism can be used for locking and unlocking.

Further, as shown in fig. 4, a worm 9 is mounted on the motor shaft of the motor 7. The main gear 10 is provided with a worm gear, an intermediate gear and a pinion, the sizes of which are sequentially reduced from top to bottom, and the intermediate gear and the pinion are sequentially sleeved on a worm gear shaft from top to bottom. The worm 9 is in mesh transmission with a worm wheel on the main gear 10 to form a first-stage worm helical gear pair. The intermediate gear on the main gear 10 is meshed with the screw gear 5 on the screw rod 5, and the metal rod 3 on the lock rod 6 is arranged on the spiral mechanism on the screw rod 4, namely in the spiral thread of the screw rod 4, so that the rotation of the screw rod 4 drives the lock rod 6 to move up and down. The lower gear, i.e. the pinion, on the main gear 10 meshes with the spur gear on the first bevel gear 11; the bevel gear on the first bevel gear 11 meshes with the second bevel gear 12. The front end (connecting end) of the handle 15 is arranged in the lower shell 2, and is respectively sleeved with the sealing ring 16, the limiting block 14 and the second bevel gear 12 and then embedded in the supporting block 18, and the supporting block 18 is arranged on the lower shell 2 and is used as an installation seat for the sealing ring 16, the limiting block 14 and the second bevel gear 12; the rear end of the handle 15 is disposed outside the lower case 2. The elastic piece 17 is installed on the lock lever 6 and can slide on the PCBA circuit board 13 to form a loop or a short circuit and judge the extension or retraction of the lock lever 6.

Further, as shown in fig. 6, the limiting block 14 is connected with the handle 15 through a ratchet 20, namely, a circular through hole is formed in the center of the limiting block 14, the ratchet 20 is embedded in the circular through hole, a rotating wheel matched with the ratchet 20 is arranged at the front end of the handle 15, the rear end of the handle 15 is of a common hand-operated rotating handle structure, the limiting block 14 is driven by the rotation of the handle 15 during manual unlocking, the limiting block 14 drives the second bevel gear 12 to rotate, and meanwhile, the rotating angle is limited.

PCBA circuit board 13 is used for feedback signal and electric connection, and on motor 7 passed through the wire and is connected to PCB circuit board 13, further, as preferred scheme, have 4pin connector public end on the lower casing 2, input 2pin power, input 2pin signal feedback, on motor 7 passed through the wire and is connected to PCBA circuit board 13, rotation control through motor 7 drove rotatory worm 9, main gear 10 and rotates, and then drive locking lever 6 and shell fragment 17 and slide. When the motor 7 does not work, the emergency manual unlocking function can be realized by rotating the handle 15. The last welding 2PIN connector of PCBA circuit board 13 switches on with the PIN needle on the casing 2 down, control motor 7's positive pole, negative pole, signal feedback's positive pole, negative pole.

Further, preferably, a sealing gasket 19 is disposed at the locking bar 6 to ensure sealing performance with the lower housing 2.

In summary, in the present invention, the motor 7 is a prime mover; the screw 4 is used for transmitting speed and torque; the mutual meshing of all gears is used for transmitting speed to drive the lock rod 6 to move; the locking bar 6 is used for locking the charging gun by extending and retracting through driving, and forms a loop with the PCBA circuit board 13 through the relation of the elastic sheet 17.

Based on the structure, the utility model discloses the process of locking of charging seat shutter does: the rotation of the motor drives the rotation of the worm, the worm is meshed with the worm wheel, the main gear is meshed with the gear on the screw rod to drive the screw rod to rotate, and the spiral threads on the screw rod drive the lock rod to move downwards so that the lock rod extends out of the through hole of the lower shell by a certain length to complete the locking action.

The utility model discloses the unblock process of charging seat shutter does: the rotating handle drives the limiting block to rotate, so that the second bevel gear rotates and is meshed with the bevel gear on the first bevel gear, the straight gear on the first bevel gear is meshed with the gear on the screw rod and serves as a second-stage cylindrical straight gear pair to drive the screw rod to rotate, the spiral mechanism on the screw rod drives the lock rod to rotate upwards and serves as a third-stage spiral pair to enable the lock rod to retract for a certain length from the through hole of the lower shell, and therefore unlocking action is completed.

To sum up, the utility model discloses can realize electronic mode: the first-stage worm helical gear pair, the second-stage cylindrical straight gear pair and the third-stage spiral pair are driven by the motor to enable the lock rod to move in the vertical direction, and the lock rod moves up and down by controlling the motor to rotate forwards and backwards.

For the manual mode: can be under the extreme condition such as outage, through the twist grip, drive the stopper, and then drive first order bevel gear pair, second level straight cylindrical gear pair, third level screw pair and make the vertical direction motion of locking lever ability, only can make the screw from up unilateral motion down.

In addition, through the improvement to helical structure, all carried out corresponding structural adjustment on locking lever and screw rod for during the spiral cooperation of metal rod and screw rod, area of contact is great, and difficult the removal has great holding power, and then has avoided because of the not enough easy messenger that takes place of holding power that the rifle that charges can probably be taken out with electricity, leads to the problem that has the electric leakage risk.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a new energy automobile charging seat shutter with manual reset function, includes upper cover (1), lower casing (2) that splice each other, its characterized in that, be equipped with motor (7), worm (9) in casing (2) down, master gear (10), first bevel gear (11), second bevel gear (12), screw mechanism, PCBA circuit board (13) and stopper (14), be equipped with handle (15) outside lower casing (2), handle (15) are connected through slewing mechanism stopper (14), stopper (14) are connected second bevel gear (12), second bevel gear (12) master gear (10) are connected respectively screw mechanism, second bevel gear (12) with first bevel gear (11) meshing, master gear (10) with first bevel gear (11) meshing, worm (9) are connected with master gear (10) transmission, worm (9) are located on the motor shaft of motor (7), motor (7) pass through the wire and connect PCBA circuit board (13).

2. The new energy automobile charging seat shutter with manual reset function of claim 1, characterized in that, screw mechanism includes locking lever structure portion and the helical structure portion that the cooperation is connected, locking lever structure portion is equipped with connecting portion, runs through metal rod (3) on locating connecting portion to and locate locking lever (6) of connecting portion bottom, helical structure portion includes screw rod (4), locates the screw thread on screw rod (4), and locates screw rod (4) below and overlap screw gear (5) on screw rod (4), screw gear (5) with master gear (10) meshing, the one end of metal rod (3) is towards the screw thread setting on screw rod (4), sets up towards screw rod (4) the tip of metal rod (3) is the half cylinder structure, the spiral groove of the below of screw rod (4) is close to the end of screw rod gear (5) and is equipped with shape, size and the locking tail end (8) of the half cylinder structure of metal rod (3) end phase-match.

3. The new energy automobile charging seat shutter with the manual reset function according to claim 2, wherein the upper surface (301) of the end of the metal rod (3) facing the screw rod (4) is a plane, the lower surface (302) is a semi-circular arc surface, and the longitudinal section of the end of the metal rod (3) facing the screw rod (4) is semi-circular.

4. The new energy automobile charging seat shutter with the manual reset function is characterized in that the top surface of the locking tail end (8) is a plane, the side surface of the locking tail end is a vertical surface, and the width of the locking tail end (8) is the same as the thickness of the end part, facing the screw rod (4), of the metal rod (3).

5. The new energy automobile charging seat shutter with manual reset function of claim 2, characterized in that, the main gear (10) includes from last worm wheel, intermediate gear and the pinion that reduces in proper order down the size, and the last intermediate gear, the pinion of establishing of cover in proper order down of last on the worm wheel shaft of worm wheel, the worm wheel with worm (9) meshing transmission, intermediate gear with screw gear (5) meshing, the pinion with straight gear engagement on the first bevel gear (11), bevel gear on the first bevel gear (11) with second bevel gear (12) meshing.

6. The new energy automobile charging seat shutter with the manual reset function according to claim 1, wherein the rotating mechanism comprises a limiting block (14) provided with a ratchet wheel (20), and the handle (15) is connected with the limiting block (14) through the ratchet wheel (20).

7. The new energy automobile charging seat shutter with the manual reset function as claimed in claim 6, wherein the handle (15) is respectively sleeved with the sealing ring (16), the limiting block (14) and the second bevel gear (12) and then embedded into a supporting block (18), and the supporting block (18) is arranged on the lower shell (2).

8. The new energy automobile charging seat shutter with the manual reset function according to claim 2, wherein a through hole is formed at a position of the bottom of the lock rod (6) corresponding to the lower shell (2).

9. The new energy automobile charging seat shutter with manual reset function according to claim 8, characterized in that the lock rod (6) is provided with a spring sheet (17) for sliding on the PCBA circuit board (13).

10. The new energy automobile charging seat shutter with the manual reset function as claimed in claim 9, wherein a sealing gasket (19) is arranged between the lock rod (6) and the lower shell (2).