CN221163042U - Induction actuator on automobile-used tank filler box or charging box - Google Patents

Abstract

The utility model discloses an induction actuator on a vehicle oil tank or a charging tank, which comprises a shell, wherein a sliding cavity is formed in the shell, a push rod is movably arranged in the sliding cavity, a driving assembly and a lock hook are arranged in the shell, a rotary sleeve and a driving sleeve are arranged in the sliding cavity, a plurality of guide ribs are arranged on the inner wall of the sliding cavity, a slideway is formed between adjacent guide ribs, a guide surface is obliquely arranged on the end surface of each guide rib, a plurality of first guide blocks are circumferentially arranged on the rotary sleeve and are in sliding fit with the slideway, a first guide inclined surface is arranged on the first guide blocks, and the first guide inclined surface is in guide fit with the guide surface; a locking groove is formed between the adjacent first guide blocks, and the locking hook is in locking fit with the locking groove; the driving sleeve is provided with a second guide block which is in sliding fit with the slideway, the second guide block is provided with a second guide inclined plane, and the second guide inclined plane is in guide fit with the first guide inclined plane; a first elastic piece is arranged between the rotary sleeve and the shell. The automatic oiling device has the advantages of being convenient to operate and capable of automatically popping out the oiling cover or the charging cover after unlocking.

Description

Induction actuator on automobile-used tank filler box or charging box

Technical Field

The utility model relates to the technical field of automobile parts, in particular to an induction actuator on an automobile oiling box or a charging box.

Background

The prior Chinese patent with the publication number of CN211666484U discloses a miniature actuator for a vehicle, which is applied to a vehicle fuel tank cover or a charging tank cover and comprises a shell, wherein the shell is divided into a motor cavity and a locking cavity, an electric locking component is arranged in the motor cavity, the electric locking component sequentially comprises a motor, a transmission component and a locking piece from top to bottom, the locking cavity is internally provided with a manual locking component, the manual locking component sequentially comprises a rotary push rod, a driving sleeve and a rotary sleeve from top to bottom, the locking piece comprises a locking base part, a lock tongue and a hook arm, the locking base part is used for locking the rotary sleeve, the hook arm is used for connecting the locking base part and the lock tongue, a lock hole matched with the hook arm is arranged between the motor cavity and the locking cavity, the lock hole is arranged on the cavity wall of the locking cavity, the lock hole is communicated with the lock hole, and the lock tongue can pass through and form interference fit with the rotary sleeve; the actuator needs to unlock the electric locking part firstly, then the small door of the filler cap or the small door of the charging cap connected with the rotary push rod is pressed manually, the guide rib on the rotary sleeve is moved into the guide groove by utilizing linkage fit among the rotary push rod, the rotary sleeve, the first spring and the second spring, then the small door of the filler cap or the small door of the charging cap is loosened, the rotary push rod and the rotary sleeve continuously move upwards under the action of the first spring and the second spring until returning to the initial position, and meanwhile the rotary push rod rotates and moves out of the notch on the small door of the filler cap or the small door of the charging cap, and the unlocking function is realized.

However, the actuator described above has the following disadvantages: the driver needs to control and unlock the electric locking part firstly in the unlocking process, then the driver gets off to manually press the small door of the oil filler cap or the small door of the charging cap to unlock the rotary push rod, and the unlocking process relates to two steps of electric control and manual operation, is more troublesome and is inconvenient.

Disclosure of utility model

The utility model aims to provide an induction actuator on a vehicle oil tank or a charging tank, which has the effects of convenient operation and automatic outwards popping of an oil tank cover or a charging cover after unlocking.

The technical aim of the utility model is realized by the following technical scheme: the induction actuator comprises a shell, a sliding cavity is formed in the shell, a push rod is movably arranged in the sliding cavity, a driving assembly and a lock hook are arranged in the shell, the driving assembly is in linkage fit with the lock hook, the lock hook is in locking fit with the push rod through a rotary locking structure, the rotary locking structure comprises a rotary sleeve and a driving sleeve which are arranged in the sliding cavity, a plurality of guide ribs are arranged on the inner wall of the sliding cavity in a protruding mode along the sliding cavity, a slideway communicated with the sliding cavity is formed between every two adjacent guide ribs, guide surfaces are obliquely arranged on the end faces of the guide ribs, a plurality of first guide blocks are arranged at intervals along the circumferential direction of the rotary sleeve, the guide blocks are in sliding fit with the slideway, a first guide inclined surface is arranged corresponding to the guide surfaces, and the first guide inclined surface is in guiding fit with the guide surfaces; a locking groove is formed between the adjacent first guide blocks, and the locking hook is in locking fit with the locking groove; the driving sleeve is circumferentially provided with a plurality of second guide blocks in a protruding mode, the second guide blocks are in sliding fit with the slide ways, the second guide blocks are provided with second guide inclined planes corresponding to the first guide inclined planes, and the second guide inclined planes are in guide fit with the first guide inclined planes; the push rod and the rotary sleeve are coaxially arranged, a first elastic piece is arranged between the rotary sleeve and the shell, and the first elastic piece always has a movement trend of driving the push rod to extend out of the sliding cavity.

By adopting the technical scheme, when the oiling cover or the charging cover is in a locking state relative to the vehicle body, and the push rod is positioned in the sliding cavity, the driving assembly drives the lock hook to be locked with the lock groove on the side wall of the rotary sleeve, the rotary sleeve cannot rotate in the sliding cavity, at the moment, the first guide block is propped against the guide surface of the guide rib, and the first elastic piece is compressed; when the oiling cover or the charging cover is required to be unlocked, the driving assembly drives the lock hook and the lock groove to unlock, at the moment, the rotating sleeve can rotate in the sliding cavity, the first elastic piece releases elastic potential energy to enable the rotating sleeve to downwards abut against, under the guiding cooperation of the first guiding surface and the guiding surface, the first guiding block guides and slides from a high point position to a low point position on the guiding rib, so that the rotating sleeve is driven to downwards rotate in the sliding cavity in a spiral manner until the first guiding block slides into the slideway, and the first elastic piece continuously vertically slides downwards in the sliding cavity against the rotating sleeve and the driving sleeve by utilizing the guiding cooperation of the first guiding block and the slideway and the second guiding block and the slideway, so that the push rod extends out of the sliding cavity to realize unlocking and opening of the oiling cover or the charging cover on the vehicle body; after the fuel filling cover or the charging cover is unlocked and opened relative to the vehicle body, the driving assembly drives the lock hook to reset to the locking position, the fuel filling cover or the charging cover is pressed by external stress at the moment, the push rod slides in the sliding cavity, the first elastic piece is extruded and contracted, the first elastic piece is matched with the slide way, the second elastic piece and the slide way in a guiding mode, the push rod pushes the driving sleeve and the rotating sleeve to move upwards in the sliding cavity, when the first elastic piece of the rotating sleeve stretches out of the highest point of the guide rib, the second elastic piece of the driving sleeve rotates in the sliding cavity under the guiding action of the second elastic piece of the driving sleeve and the first elastic piece of the rotating sleeve, the pressing force on the fuel filling cover or the charging cover is released at the moment, the first elastic piece slides in the guide rib from the highest position of the guide surface, the rotating sleeve rotates in the sliding cavity again, and when the rotating sleeve rotates in the sliding cavity to the highest point of the guide rib, the lock hook is fixed with the second elastic piece of the locking sleeve, the rotating sleeve rotates in the sliding cavity and the first elastic piece is enabled to rotate, the first elastic piece of the sliding piece is enabled to rotate in the sliding cavity to be close to the guide rib direction, the elastic piece is enabled to rotate or the first elastic piece is enabled to slide cover is enabled to slide in the sliding cavity, the pressure stress is released, the compression stress on the fuel filling cover or the fuel filling cover is only is required to be popped up, and the manual charging cover is opened, the manual charging cover is automatically to rotate or the manual cover is opened, and the manual charging cover is opened or the manual cover has to be opened, and the manual charging cover has to be opened, and the manual to be opened, or the manual to be opened, and the manual to the manual operation can be opened.

The utility model is further provided with: the utility model discloses a sliding cavity is characterized by comprising a shell, a sliding cavity is arranged on the shell, a rotating sleeve is arranged between the shell and the sliding cavity, a clamping spring is arranged between the rotating sleeve and the push rod, the rotating sleeve comprises a rotating connecting part, a rotating groove is formed in the side wall of the rotating connecting part, an inner ring of the clamping spring is rotationally connected to the rotating groove, an outer ring of the clamping spring is fixedly connected with the push rod, a guide structure is arranged between the push rod and the shell, and the push rod is enabled to do rotary motion relative to the sliding cavity when stretching out or retracting under the guide action of the guide structure.

Through adopting above-mentioned technical scheme for rotate through the jump ring between swivel sleeve and the push rod and be connected, the push rod stretches out or the in-process of retracting in the intracavity that slides, the first guide block and the slide sliding fit of swivel sleeve, and the push rod utilizes guide structure to do helical motion in the intracavity that slides, makes the lid that adds oil or charges can realize opening or closing the automobile body through the helical rotation of push rod.

The utility model is further provided with: the guide structure comprises a sliding block and a spiral chute, the spiral chute is arranged on the outer wall of the push rod, the sliding block is convexly arranged on the inner wall of the sliding cavity, and the sliding block is in guide fit with the spiral chute.

Through adopting above-mentioned technical scheme, when the push rod is sliding the intracavity and is down moving, the slider of spiral spout to the push rod lateral wall has led spacingly for the push rod relies on the slider to rotate along the direction of spiral spout.

The utility model is further provided with: the push rod is provided with a containing cavity, a second elastic piece is arranged in the containing cavity, the shell is provided with a supporting rod, the supporting rod is slidably arranged in the containing cavity, one end of the second elastic piece abuts against the supporting rod, and the other end of the second elastic piece abuts against the push rod.

Through adopting above-mentioned technical scheme, the second elastic component can play the effect of supplementary increase its dynamics of stretching out to the push rod, through the combined action of first elastic component and second elastic component, can overcome between first direction inclined plane and the guide surface, between first guide block and the slide, between second guide block and the slide, and the frictional force between slider and the spiral spout for the push rod can pop out fast from the intracavity that slides forcefully.

The utility model is further provided with: the shell is provided with a micro switch and a control board electrically connected with the micro switch, the control board is electrically connected with the driving assembly, the micro switch comprises a conductive contact piece, the conductive contact piece stretches into the sliding cavity, the driving sleeve is provided with a pressing part outwards, and the pressing part is in pressing fit with the conductive contact piece.

By adopting the technical scheme, when the push rod is retracted into the sliding cavity, the pressing part of the driving sleeve is driven to press the conductive contact on the micro switch to realize electrifying, so that a signal for closing the oiling cover or the charging cover of the vehicle body is given; when the push rod stretches out of the sliding cavity, the first elastic piece pushes the driving sleeve to be far away from the micro switch, and when the pressing part is not pressed on the conductive contact piece, the micro switch is not electrified, and at the moment, the vehicle body displays a signal that the oiling cover or the charging cover is opened.

The utility model is further provided with: the shell is internally provided with a conductive assembly, the conductive assembly comprises a plurality of pins, the control board is electrically connected with the driving assembly through the pins, and the pins are fixedly clamped on the shell through a plurality of clamping seats.

By adopting the technical scheme, the electric connection is performed through the contact pins in a manner different from the manner of welding by adopting the flexible wires in the prior art, and the contact pins are fixed by utilizing the clamping seat, so that the stability of electric connection among all the electric elements can be greatly improved, and the shockproof performance of the electric connection device is improved.

The utility model is further provided with: the driving assembly comprises a driving motor, a gear set and a cam, wherein the driving motor drives the cam to rotate through the gear set, and the cam is in transmission connection with the lock hook and is used for controlling the lock hook to be switched between a locking state and an unlocking state relative to the lock groove.

By adopting the technical scheme, the driving motor drives the gear set to drive in the forward direction, the gear set further drives the cam to rotate, the cam drives the lock hook and the lock groove to lock, and after the lock hook and the lock groove are interlocked, the driving motor keeps the position of the lock hook unchanged through the gear set, so that the aim of electric locking is fulfilled; when unlocking is needed, the driving motor rotates reversely and drives the cam to rotate reversely through the gear set, and the cam drives the lock hook to be far away from the lock groove for unlocking, so that the electric locking or unlocking process can be realized.

The utility model is further provided with: the latch hook comprises a locking part and a matching part, wherein the matching part is provided with a linkage groove, the linkage groove is in linkage matching with the cam, and the locking part is in locking matching with the locking groove.

Through adopting above-mentioned technical scheme, through the linkage cooperation of cam and linkage groove for cooperation portion drives locking portion and inserts in the locked groove and realize the locking function when the cam corotation, cooperation portion drives locking portion and withdraws from the locked groove and realize the unblock function when the cam is reversing.

The utility model is further provided with: the gear set comprises a driving gear and an inner gear ring, the driving gear is coaxially and fixedly arranged on an output shaft of the driving motor, the inner gear ring is rotationally connected to the shell, inner teeth of the inner gear ring are meshed with outer teeth of the driving gear, and the inner gear ring is coaxially and fixedly arranged with the cam.

The utility model is further provided with: a reset torsion spring is arranged between the annular gear and the shell, and the reset torsion spring always drives the annular gear to automatically reset, so that the cam is driven to drive the lock hook and the lock groove to keep the locking movement trend.

Through adopting above-mentioned technical scheme, the additional of reset torsional spring establishes for when the lid is pressed to close relative door to the filler cap or the lid that charges, driving motor need not work, utilizes reset torsional spring's elasticity restoring force, can reset the latch hook and resume to the locking state.

In summary, the utility model has the following beneficial effects:

1. The sliding cavity is formed in the shell, the rotating sleeve, the driving sleeve and the push rod are arranged in the sliding cavity, the driving motor is arranged in the shell and drives the lock hook to move through the gear set, the locking part of the lock hook is matched with the locking groove of the side wall of the rotating sleeve, a plurality of first guide blocks are circumferentially arranged on the rotating sleeve, the driving sleeve is circumferentially provided with second guide blocks, the second guide blocks are provided with second guide inclined planes, guide ribs are arranged on the inner wall of the sliding cavity, guide faces are arranged at the end parts of the guide ribs, a slideway is formed between the adjacent guide ribs, the first guide inclined planes are formed in the first guide blocks, the first guide inclined planes are matched with the guide faces, the first guide blocks are matched with the slideway, the second guide blocks are matched with the sliding grooves, and the elastic acting force of the first elastic piece on the driving sleeve is matched, so that the push rod drives the lock hook to automatically extend outwards from the sliding cavity after the locking groove, and the effect of automatically ejecting the oiling cover or the charging cover after the unlocking is convenient to operate is achieved.

2. The holding cavity is formed in the push rod, the support rod is arranged in the protruding mode of the shell, the support rod stretches into the holding cavity, the second elastic piece is arranged in the holding cavity, one end of the second elastic piece abuts against the support rod, the other end of the second elastic piece abuts against the inner wall of the holding cavity, the second elastic piece always has a movement trend for driving the push rod to stretch out of the holding cavity, and the effect that the push rod can stretch out of the holding cavity smoothly is achieved by means of the common cooperation of the second elastic piece and the first elastic piece.

3. The micro switch and the control board are arranged in the shell, when the push rod is retracted into the accommodating cavity, the micro switch feeds back a signal for closing the control board oiling cover or the charging cover, and when the push rod extends out of the accommodating cavity, the micro switch feeds back a signal for opening the control board oiling cover or the charging cover, so that the effect of feeding back the opening and closing state of the oiling cover or the charging cover in real time is achieved.

Drawings

FIG. 1 is a block diagram of the present utility model with the pushrod not extended relative to the housing.

Fig. 2 is a longitudinal cross-sectional view of fig. 1 of the present utility model.

Fig. 3 is an enlarged view of a portion of the area a of fig. 2 in accordance with the present utility model.

Fig. 4 is an exploded view of the present utility model.

Fig. 5 is a structural view of the housing of the present utility model.

Fig. 6 is an internal structural view of the present utility model, with the shackle in locking engagement with the keyway.

Fig. 7 is an internal structural view of the present utility model, with the shackle unlocked from the keyway.

Fig. 8 is a structural view of the present utility model, with the push rod rotatably extended relative to the housing.

Fig. 9 is a longitudinal cross-sectional view of fig. 8 of the present utility model.

Fig. 10 is an exploded view of the drive motor, gear set and shackle of the present utility model.

Fig. 11 is an exploded view of another view of the drive motor, gear set and shackle of the present utility model.

FIG. 12 is an exploded view of the rotary latch structure and pushrod of the present utility model.

FIG. 13 is an exploded view of the rotary latch structure of the present utility model from another perspective with the push rod.

In the figure: 1. a housing; 1a, a sliding cavity; 101. a guide rib; 101a, a slideway; 101b, a guide surface; 11. a driving motor; 111. a drive gear; 12. a fixing seat; 13. an inner gear ring; 131. a reset torsion spring; 14. a cam; 15. a slide block; 16. a support rod; 161. a support base; 17. a micro-switch; 171. a conductive contact; 18. a control board; 2. a latch hook; 21. a mating portion; 21a, a linkage groove; 22. a locking part; 3. a rotating sleeve; 31. a first guide block; 31a, a first guiding inclined plane; 31b, a locking groove; 32. a rotary connection part; 32a, a rotating groove; 4. a drive sleeve; 41. a second guide block; 41a, a second guiding inclined plane; 42. a pressing part; 5. a push rod; 5a, a spiral chute; 5b, a containing cavity; 5c, fixing holes; 61. a first elastic member; 62. a second elastic member; 63. clamping springs; 7. a contact pin; 71. a clamping seat.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

1-11, Including the body 1, the body 1 has offered and slipped the cavity 1a, slip the cavity 1a and equipped with the push rod 5 movably, there are driving components and lock hooks 2 in the body 1, the driving components cooperates with lock hook 2, lock hook 2 cooperates with lock hook 5 through the locking of the rotary locking structure, the rotary locking structure includes locating slip rotating sleeve 3 and driving sleeve 4 in the cavity 1a from top to bottom, slip the cavity 1a inner wall along slipping the cavity 1a length direction and convexly equipped with several guide ribs 101, form the slide 101a to communicate and slip the cavity 1a between the adjacent guide ribs 101, the end face slope of the guide rib 101 has guide surfaces 101b, the rotating sleeve 3 has several first guide blocks 31 along the circumference interval, the first guide block 31 cooperates with slide 101a sliding, the first guide block 31 has the first guide inclined plane 31a to correspond to guide surface 101b, the first guide inclined plane 31a cooperates with guide surface 101 b; a locking groove 31b is formed between the adjacent first guide blocks 31, and the locking hook 2 is in locking fit with the locking groove 31 b; the driving sleeve 4 is circumferentially provided with a plurality of second guide blocks 41 in a protruding mode, the second guide blocks 41 are in sliding fit with the slide ways 101a, the second guide blocks 41 are provided with second guide inclined planes 41a corresponding to the first guide inclined planes 31a, and the second guide inclined planes 41a are in guide fit with the first guide inclined planes 31 a; the push rod 5 and the rotary sleeve 3 are coaxially arranged, a first elastic piece 61 is arranged between the rotary sleeve 3 and the shell 1, and the first elastic piece 61 always has a movement trend of driving the push rod 5 to extend out of the sliding cavity 1 a.

As shown in fig. 2-3 and fig. 12-13, a clamp spring 63 is arranged between the rotating sleeve 3 and the push rod 5, the rotating sleeve 3 comprises a rotating connecting part 32, a rotating groove 32a is formed in the side wall of the rotating connecting part 32, the inner ring of the clamp spring 63 is rotationally connected to the rotating groove 32a, a fixing hole 5c is formed in the push rod 5, the fixing hole 5c is used for fixing the outer ring of the clamp spring 63, a guide structure is arranged between the push rod 5 and the shell 1, under the guiding action of the guide structure, the push rod 5 is made to perform rotating motion when stretching out or retracting relative to the sliding cavity 1a, the rotating sleeve 3 is rotationally connected with the push rod 5 through the clamp spring 63, the push rod 5 stretches out or retracts in the sliding cavity 1a, a first guide block 31 of the rotating sleeve 3 is in sliding fit with a slide way 101a, the push rod 5 is in spiral motion in the sliding cavity 1a through the guide structure, the oiling cover or charging cover can be opened or closed through the spiral rotation of the push rod 5, the rotating groove 32a stop part is formed at two ends of the rotating connecting part 32, the clamp spring 63 is in fit with the stop parts at two sides, and the floating clearance between the clamp spring 63 and the stop part is kept at a height equal to the height of the guide surface 101b or the height of the stop part; the guide structure comprises a sliding block 15 and a spiral sliding groove 5a, the spiral sliding groove 5a is symmetrically arranged on the outer side of the push rod 5, the sliding block 15 is convexly arranged on the inner wall of the sliding cavity 1a, the sliding block 15 is in guide fit with the spiral sliding groove 5a, and when the push rod 5 moves downwards in the sliding cavity 1a, the spiral sliding groove 5a guides and limits the sliding block 15 on the side wall of the push rod 5, so that the push rod 5 rotates along the direction of the spiral sliding groove 5a by means of the sliding block 15.

As shown in fig. 2-4 and fig. 9, the push rod 5 is provided with a containing cavity 5b, a second elastic piece 62 is arranged in the containing cavity 5b, the shell 1 is provided with a supporting rod 16, the supporting rod 16 is slidably arranged in the containing cavity 5b, one end of the second elastic piece 62 is propped against the supporting rod 16, the other end of the second elastic piece 62 is propped against the push rod 5, the second elastic piece 62 can play a role in assisting in increasing the extending force of the push rod 5, and through the combined action of the first elastic piece 61 and the second elastic piece 62, the friction force between the first guide inclined surface 31a and the guide surface 101b, between the first guide block 31 and the slide way 101a, between the second guide block 41 and the slide way 101a and between the sliding block 15 and the spiral slide way 5a can be overcome, so that the push rod 5 can be strongly and rapidly popped up from the sliding cavity 1 a; the shell 1 is provided with a micro switch 17 and a control board 18 electrically connected with the micro switch 17, the control board 18 is electrically connected with the driving assembly, the micro switch 17 comprises a conductive contact piece 171, the conductive contact piece 171 stretches into the sliding cavity 1a, the driving sleeve 4 is outwards provided with a pressing part 42, the pressing part 42 is in pressing fit with the conductive contact piece 171, when the push rod 5 retracts into the sliding cavity 1a, the pressing part 42 of the driving sleeve 4 is driven to press the conductive contact piece 171 on the micro switch 17 to realize electrifying, and then a signal for closing an oiling cover or a charging cover of the car body is provided; when the push rod 5 extends out of the sliding cavity 1a, the first elastic piece 61 pushes the driving sleeve 4 to be far away from the micro switch 17, and when the pressing part 42 is not pressed on the conductive contact piece 171, the micro switch 17 is not electrified, and at the moment, the vehicle body displays a signal that the oil filling cover or the charging cover is opened; the shell 1 is internally provided with a conductive component, the conductive component comprises a plurality of pins 7, the control board 18 and the driving component are electrically connected through the pins 7, the pins 7 are fixedly clamped on the shell 1 through a plurality of clamping seats 71, and the vibration-proof performance of the utility model is improved by electrically connecting the pins 7 and fixing the pins 7 through the clamping seats 71, unlike the traditional mode of welding by adopting flexible wires.

As shown in fig. 2, fig. 4-9 and fig. 12-13, the driving assembly comprises a driving motor 11, a gear set and a cam 14, the cam 14 in the embodiment is an eccentric cam, the driving motor 11 drives the cam 14 to rotate through the gear set, the cam 14 is in transmission connection with the latch hook 2 and is used for controlling the latch hook 2 to be switched between a locking state and an unlocking state relative to the latch slot 31b, the driving motor 11 positively rotates to drive the gear set to further drive the cam 14 to rotate, the cam 14 drives the latch hook 2 to be locked with the latch slot 31b, and after the latch hook 2 and the latch slot 31b are mutually locked, the driving motor 11 keeps the position of the latch hook 2 unchanged through the gear set, so that the purpose of electric locking is achieved; when unlocking is needed, the driving motor 11 is reversed, the cam 14 is driven to be reversed through the gear set, the cam 14 drives the lock hook 2 to be far away from the lock groove 31b for unlocking, and the process of electric locking or unlocking can be realized through circulation; the latch hook 2 comprises a locking part 22 and a matching part 21, the matching part 21 is provided with a linkage groove 21a, the linkage groove 21a is in linkage fit with the cam 14, the locking part 22 is in locking fit with a locking groove 31b, and the matching part 21 drives the locking part 22 to be inserted into the locking groove 31b to realize a locking function through linkage fit of the cam 14 and the linkage groove 21a when the cam 14 rotates positively, and the matching part 21 drives the locking part 22 to withdraw from the locking groove 31b to realize an unlocking function when the cam 14 rotates reversely; the gear set comprises a driving gear 111 and an annular gear 13, the driving gear 111 is coaxially and fixedly arranged on the output shaft of the driving motor 11, the annular gear 13 is rotationally connected to the shell 1, the inner teeth of the annular gear 13 are meshed with the outer teeth of the driving gear 111, and the annular gear 13 is coaxially and fixedly arranged with the cam 14; the shell 1 is fixedly provided with the fixed seat 12, the reset torsion spring 131 is arranged between the annular gear 13 and the fixed seat 12, and the reset torsion spring 131 drives the annular gear 13 to automatically reset all the time, so that the cam 14 is driven to drive the lock hook 2 and the lock groove 31b to keep the locking movement trend, and the reset torsion spring 131 is additionally arranged, so that when the oil filling cover or the charging cover is pressed and closed relative to the vehicle door, the driving motor 11 does not need to work, and the lock hook 2 can be reset and restored to the locking state by utilizing the elastic reset force of the reset torsion spring 131; after the push rod 5 extends out of the sliding cavity 1a, the vehicle body displays a signal that the oiling cover or the charging cover is opened, at the moment, the control board 18 controls the driving motor 11 to stop working, the reset torsion spring 131 acts on the annular gear 13 to drive the cam 14 to reset, and the cam 14 is in linkage fit with the linkage groove 21a of the latch hook 2 to further drive the locking part 22 of the latch hook 2 to reset to a locking state.

The basic working principle of the utility model is as follows: when the oil filling cover or the charging cover is in a locking state relative to the vehicle body, and the push rod 5 is positioned in the sliding cavity 1a, the driving component drives the lock hook 2 to be locked with the locking groove 31b on the side wall of the rotating sleeve 3, the rotating sleeve 3 cannot rotate in the sliding cavity 1a, at the moment, the first guide block 31 is abutted against the guide surface 101b of the guide rib 101, and the first elastic piece 61 is compressed; when the oiling or charging cover needs to be unlocked, the driving assembly drives the lock hook 2 and the lock groove 31b to unlock, at the moment, the rotating sleeve 3 can rotate in the sliding cavity 1a, the first elastic piece 61 releases elastic potential energy to enable the rotating sleeve 3 to downwards prop against, under the guiding cooperation of the first guiding surface 101b and the guiding surface 101b, the first guiding block 31 guides and slides from a high point position to a low point position on the guiding rib 101, so that the rotating sleeve 3 is driven to spirally rotate downwards in the sliding cavity 1a until the first guiding block 31 slides into the slide way 101a, and the first elastic piece 61 continuously vertically slides downwards in the sliding cavity 1a against the rotating sleeve 3 and the driving sleeve 4 by utilizing the guiding cooperation of the first guiding block 31, the slide way 101a and the second guiding block 41, so that the push rod 5 stretches out of the sliding cavity 1a to unlock the oiling or charging cover; when the refueling cover or the charging cover is unlocked and opened relative to the vehicle body, the reset torsion spring 131 drives the lock hook 2 to reset to the locking position, at the moment, the refueling cover or the charging cover is pressed by external stress, the push rod 5 slides in the sliding cavity 1a, the first elastic piece 61 is extruded and contracted, the first guide block 31 is matched with the guide of the slide way 101a, the second guide block 41 is matched with the guide of the slide way 101a, the push rod 5 pushes the driving sleeve 4 to move upwards in the sliding cavity 1a together with the rotating sleeve 3, when the first guide block 31 of the rotating sleeve 3 extends out of the highest point of the guide rib 101, under the guide action of the second guide inclined plane 41a of the driving sleeve 4 and the first guide inclined plane 31a of the rotating sleeve 3, the rotating sleeve 3 rotates in the sliding cavity 1a, the first guide block 31 approaches to the direction of the guide rib 101, at the moment, the compressive stress on the refueling cover or the charging cover is released, under the guiding action of the first guiding inclined surface 31a of the first guiding block 31 and the guiding surface 101b of the guiding rib 101, the first guiding block 31 slides onto the guiding rib 101 from the highest position of the guiding surface 101b, so that the rotating sleeve 3 rotates in the sliding cavity 1a again, when the rotating sleeve 3 rotates to a locking position in the sliding cavity 1a, the locking hook 2 and the locking groove 31b are locked and fixed, so that the rotating sleeve 3 cannot rotate in the sliding cavity 1a again, the pressing closing and automatic ejecting processes of the refueling cover or the charging cover relative to the vehicle body are realized, the ejecting process of the refueling cover or the charging cover only needs to carry out signal input on the driving component, the manual operation of pressing the refueling cover or the charging cover for the subsequent second time is reduced, and the effects of convenience in operation and automatic outward ejecting of the refueling cover or the charging cover after unlocking are achieved.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.

Claims (10)

1. The utility model provides an inductive actuator on automobile-used tank filler box or charging box, including casing (1), sliding chamber (1 a) has been seted up to casing (1), sliding chamber (1 a) internalization is equipped with push rod (5), be equipped with drive assembly and latch hook (2) in casing (1), drive assembly with latch hook (2) linkage cooperation, its characterized in that:

The locking hook (2) is in locking fit with the push rod (5) through a rotary locking structure, the rotary locking structure comprises a rotary sleeve (3) and a driving sleeve (4) which are arranged in a sliding cavity (1 a), a plurality of guide ribs (101) are convexly arranged on the inner wall of the sliding cavity (1 a) along the sliding cavity (1 a), a slideway (101 a) communicated with the sliding cavity (1 a) is formed between adjacent guide ribs (101), a guide surface (101 b) is obliquely arranged on the end face of each guide rib (101), a plurality of first guide blocks (31) are arranged on the rotary sleeve (3) at intervals along the circumferential direction, the first guide blocks (31) are in sliding fit with the slideway (101 a), a first guide inclined surface (31 a) is arranged on the first guide block (31) corresponding to the guide surface (101 b), and the first guide inclined surface (31 a) is in guiding fit with the guide surface (101 b); a locking groove (31 b) is formed between the adjacent first guide blocks (31), and the locking hook (2) is in locking fit with the locking groove (31 b); a plurality of second guide blocks (41) are arranged on the periphery of the driving sleeve (4) in a protruding mode, the second guide blocks (41) are in sliding fit with the slide ways (101 a), second guide inclined planes (41 a) are formed in the second guide blocks (41) corresponding to the first guide inclined planes (31 a), and the second guide inclined planes (41 a) are in guide fit with the first guide inclined planes (31 a); the push rod (5) and the rotary sleeve (3) are coaxially arranged, a first elastic piece (61) is arranged between the rotary sleeve (3) and the shell (1), and the first elastic piece (61) always has a movement trend of driving the push rod (5) to extend out of the sliding cavity (1 a).

2. The induction actuator on a fuel tank or charging tank for a vehicle of claim 1, wherein: the novel rotary device is characterized in that a clamp spring (63) is arranged between the rotary sleeve (3) and the push rod (5), the rotary sleeve (3) comprises a rotary connecting portion (32), a rotary groove (32 a) is formed in the side wall of the rotary connecting portion (32), an inner ring of the clamp spring (63) is rotationally connected to the rotary groove (32 a), and an outer ring of the clamp spring (63) is fixedly connected with the push rod (5).

3. The induction actuator on a fuel tank or charging tank for a vehicle of claim 1, wherein: the outer wall of the push rod (5) is provided with a spiral chute (5 a), the inner wall of the sliding cavity (1 a) is convexly provided with a sliding block (15), and the sliding block (15) is in guiding fit with the spiral chute (5 a) so that the push rod (5) can rotate when extending or retracting relative to the sliding cavity (1 a).

4. The induction actuator on a fuel tank or charging tank for a vehicle of claim 1, wherein: the push rod (5) is provided with a containing cavity (5 b), a second elastic piece (62) is arranged in the containing cavity (5 b), the shell (1) is provided with a support rod (16), the support rod (16) is slidably arranged in the containing cavity (5 b), one end of the second elastic piece (62) abuts against the support rod (16), and the other end of the second elastic piece (62) abuts against the push rod (5).

5. The induction actuator on a fuel tank or charging tank for a vehicle of claim 1, wherein: the shell (1) is provided with a micro switch (17) and a control board (18) electrically connected with the micro switch (17), the control board (18) is electrically connected with the driving assembly, the micro switch (17) comprises a conductive contact piece (171), the conductive contact piece (171) stretches into the sliding cavity (1 a), the driving sleeve (4) is provided with a pressing part (42) outwards, and the pressing part (42) is in press fit with the conductive contact piece (171).

6. An induction actuator on a fuel tank or charging tank for a vehicle as defined in claim 5, wherein: the shell body (1) is internally provided with a conductive component, the conductive component comprises a plurality of contact pins (7), the control board (18) is electrically connected with the driving component through the contact pins (7), and the contact pins (7) are fixedly connected to the shell body (1) through a plurality of clamping seats (71) in a clamping mode.

7. The induction actuator on a fuel tank or charging tank for a vehicle of claim 1, wherein: the driving assembly comprises a driving motor (11), a gear set and a cam (14), wherein the driving motor (11) drives the cam (14) to rotate through the gear set, and the cam (14) is in transmission connection with the lock hook (2) and is used for controlling the lock hook (2) to be switched between a locking state and an unlocking state relative to the lock groove (31 b).

8. The induction actuator on a fuel tank or charging tank for a vehicle of claim 7, wherein: the lock hook (2) comprises a locking part (22) and a matching part (21), wherein a linkage groove (21 a) is formed in the matching part (21), the linkage groove (21 a) is in linkage matching with the cam (14), and the locking part (22) is in locking matching with the locking groove (31 b).

9. The induction actuator on a fuel tank or charging tank for a vehicle of claim 7, wherein: the gear set comprises a driving gear (111) and an inner gear ring (13), the driving gear (111) is coaxially and fixedly arranged on an output shaft of the driving motor (11), the inner gear ring (13) is rotationally connected to the shell (1), inner teeth of the inner gear ring (13) are meshed with outer teeth of the driving gear (111), and the inner gear ring (13) and the cam (14) are coaxially and fixedly arranged.

10. The induction actuator on a fuel tank or charging tank for a vehicle of claim 9, wherein: a reset torsion spring (131) is arranged between the annular gear (13) and the shell (1), and the reset torsion spring (131) drives the annular gear (13) to reset automatically all the time, so that the cam (14) is driven to drive the lock hook (2) and the lock groove (31 b) to keep the movement trend of locking.