CN205706179U - Cover plate controls device and automobile - Google Patents

Abstract

This utility model provides a kind of cover plate and controls device and automobile, including helical axis, rotor, housing, the first back-moving spring, lock dog and lock dog driving means；Under the driving of lock dog driving means, lock dog can be conciliate in locking angle and be rotated between locking angle degree；Lock dog driving means uses electromagnetic drive mode to drive lock dog, it is to avoid use the driving of motor, realizes the lock locking/unlocking of oiling wicket by the first magnet with interacting of the second magnet, and cost is substantially reduced, and service life greatly improves.

Description

Cover plate controls device and automobile

Technical field

This utility model relates to auto electric and electronic parts sectors, in particular it relates to cover plate controls device and automobile, The especially little door controller of automobile fuel filler.

Background technology

The little door controller of automobile fuel filler is arranged on the inner side of automobile fuel filler wicket, have lock locking/unlocking refuel wicket and flicking/ Draw the function of oiling wicket in.

The little door controller of currently known oiling has a following three major types:

The first kind is the little door controller of oiling being integrated with and flicking/draw in and lock two functions of locking/unlocking, this series products effect Effect is similar with this utility model, but owing to product lock locking/unlocking relies on motor to drive, locking/unlocking motion cycle-index Require higher, motor required higher, and the relative complex easy generation problem electrical machinery life of electric machine structure can not meet requirement, Causing be very restricted service life, and volume of part is big, weight is big, and cost is high, stability in use and effect Effect is also not as good as this utility model.

Equations of The Second Kind is the little door controller of oiling of only locking/unlocking function, and d.c. motor is straight by Worm Wheel System lock pin Line moves, and lock pin inserts lockhole locking oiling wicket.When Equations of The Second Kind controller individually assembles, function deficiency needs supplementary Design, such as, have installation spring/elastic piece structure, and this structure has the biggest uncontrollable factor unfavorable to safety, also has Open refuel wicket refueling reserved finger groove on wicket, but it is attractive in appearance so affect vehicle body, also have the most supplementary installation the Three quasi-controllers, but its functional realiey is the most numerous and diverse.

3rd class is only to upspring refueling wicket the little door controller of oiling of function, is similar to the simple of pressing type ball pen Frame for movement., there is the biggest potential safety hazard in the function that the 3rd class oiling wicket does not the most lock, vehicle is often fitted with second Class oiling wicket executor, or it is furnished with the oil fuel tube lid lock individually opened after needs are got off with key, often occur in low End vehicle.

Utility model content

For defect of the prior art, the purpose of this utility model is to provide a kind of cover plate and controls device and automobile.

Device is controlled, including helical axis, rotor, housing and first according to a kind of cover plate that this utility model provides Back-moving spring, also includes lock dog and lock dog driving means；

Housing includes fairlead；Helical axis is arranged in fairlead；Rotor is connected to the bottom of helical axis；

Fairlead is provided with deep guide groove and shallow guide groove, deep guide groove and shallow guide groove to be started upwards to prolong by the lower end of fairlead Stretch；Between adjacent deep guide groove and the notch of shallow guide groove, there is dedendum flank；

The end face of lock dog includes the addendum flank relative with dedendum flank；

Projection is extended in the side of rotor；Projection is between the bottom surface and the end face of lock dog of fairlead；

The lower end of the first back-moving spring is fixed relative to housing, and the upper end of the first back-moving spring connects helical axis；

Under the driving of lock dog driving means, lock dog can be conciliate in locking angle and be rotated between locking angle degree；

When lock dog rotates to locking angle, clearance distance or gap shape between dedendum flank and addendum flank stop Live projection, make projection can not slide between deep guide groove and shallow guide groove；

When lock dog rotates to when unlocking angle, and clearance distance and gap shape between dedendum flank and addendum flank allow convex Block slides between deep guide groove and shallow guide groove.

Preferably, lock dog driving means includes the first magnet；Lock dog tightens and fixed is equipped with the second magnet.

Preferably, the first magnet includes electric magnet, and the second magnet includes permanent magnet；The iron core of electric magnet, permanent magnet Along same circumferentially extending.

Preferably, when lock dog rotates to locking angle, the height of the minimum axial gap between dedendum flank and addendum flank Degree Dmin is less than or equal to maximum height H of projection；

When lock dog rotates to when unlocking angle, and the height Dmin of the minimum axial gap between dedendum flank and addendum flank is big Maximum height H in projection so that projection can by described minimum axial gap with deep guide groove and shallow guide groove it Between slide.

Preferably, the bottom surface of fairlead is circumferentially arranged some groups of teeth groove unit, along week in often organizing teeth groove unit To being disposed with the first lower tooth, deep guide groove, the second lower tooth, shallow guide groove；First lower tooth, the second lower tooth are formed down The flank of tooth；

The end face of lock dog is circumferentially arranged multiple upper tooth；Upper tooth forms addendum flank；

Two adjacent upper teeth are designated as upper tooth A, upper tooth B respectively, and upper tooth A corresponds to the first lower tooth, deep guide groove, on Tooth B corresponds to the second lower tooth, shallow guide groove.

Preferably, when lock dog rotates to locking angle, between crown and the crown of the first lower tooth of described upper tooth A Formed and form described minimum between described minimum axial gap, and crown and the crown of the second lower tooth of described upper tooth B Axial gap；

When lock dog rotates to when unlocking angle, and the crown of described upper tooth A is positioned at the first lower tooth and deep guide groove junction Underface, the crown of described upper tooth B is positioned at the underface of the second lower tooth and shallow guide groove junction.

Preferably, upper cover is also included；

Rotor, lock dog, the first back-moving spring, helical axis are all around the middle jack-post of upper cover；

Rotor is set in the card of helical axis bottom and buckles；Buckle is set on the middle jack-post of upper cover.

Preferably, also include:

-stop lock dog and the second back-moving spring；The lower end of the second back-moving spring is the fixing end relative to housing, second The upper end of back-moving spring connects only lock dog；Only lock dog is positioned at the lower section of lock dog；Helical axis revolves relative to fairlead spiral Turning the extreme lower position moved in axial stroke presses only lock dog to depart from lock dog at present；Helical axis is relative to fairlead spiral Departing from only lock dog during the extreme higher position being rotatably moved in axial stroke, the second back-moving spring will extrude pressure on only lock dog Lock dog；Or

-microswitch；Helical axis moves to relative to fairlead spiral rotating touch during the extreme lower position in axial stroke Send out the drive disk assembly of microswitch, make the current supply circuit of microswitch connection lock dog driving means；Helical axis relative to Fairlead spiral rotating moves to depart from during the extreme higher position in axial stroke the drive disk assembly of microswitch, makes fine motion The current supply circuit of switch cutoff lock dog driving means.

Preferably, also include；Mounting bracket；Housing is assemblied in the installing hole of mounting bracket；

Being provided with some groups of position and lock parts on housing, at least one group of position and lock parts includes two location , between the two position and lock block, there is gap in clamping block；

The hole wall of installing hole is provided with the spacing alignment block matched with gap, in the side of mounting bracket or double Side is provided with cam, and the two position and lock block clamping cam is to lock connection；

Wherein, cam and spacing alignment block are positioned on the diverse location of circumferencial direction.

A kind of automobile provided according to this utility model, controls device including above-mentioned cover plate.

Compared with prior art, this utility model has a following beneficial effect:

1, this utility model uses simple frame for movement to achieve the lock locking/unlocking of oiling wicket, and function is the most steady Fixed.

2, in this utility model preferred embodiment, lock dog driving means uses electromagnetic drive mode to drive lock dog, Avoid the driving using motor, by the first magnet (preferably electric magnet) and the second magnet (preferably permanent magnetism Ferrum) interact realize refuel wicket lock locking/unlocking, cost is substantially reduced, and service life greatly improves.

3, in the case of unlocking, lock dog rotates to unlocking angle, and helical axis just can be upspring by pressing；Under lock condition Lock dog rotates to locking angle, and pressing helical axis rear screw axle can not be upspring, and wherein, rotor rotates knot with helical axis Closing, during pressing helical axis, rotor is synchronized with the movement, and stops after contact lock dog, and release pressure rear screw axle and rotor return to In situ, helical axis can't be upspring, and the wicket that i.e. refuels is locked.

Accompanying drawing explanation

By the detailed description non-limiting example made with reference to the following drawings of reading, of the present utility model other Feature, purpose and advantage will become more apparent upon:

Fig. 1 is the explosive view that cover plate controls device.

Fig. 2 is the three-dimensional structure diagram of rotor.

Fig. 3 is the three-dimensional structure diagram of lock dog end face.

Fig. 4 is the three-dimensional structure diagram of lock dog bottom surface.

The three-dimensional structure diagram of lock dog till Fig. 5.

Fig. 6 is housing and the three-dimensional structure diagram of lock dog driving means.

Fig. 7 is the three-dimensional structure diagram of upper cover.

Fig. 8 is lock dog when being positioned at unblock angle, and rotor is compressed to the schematic diagrams between two of lock dog upper teeth.

Fig. 9 be lock dog be positioned at unblock angle time, rotor snaps into the schematic diagram into deep guide groove.

Figure 10 be lock dog be positioned at unblock angle time, rotor is pressed down the schematic diagram just contacting lock dog addendum flank.

Figure 11 be lock dog be positioned at locking angle time, rotor snaps into the schematic diagram into shallow guide groove.

Figure 12 be lock dog be positioned at locking angle time, fairlead bottom surface, rotor, lock dog addendum flank deployed configuration signal Figure.

Figure 13 be lock dog be positioned at unblock angle time, fairlead bottom surface, rotor, lock dog addendum flank deployed configuration signal Figure.

Figure 14 is the cooperation principle schematic between the first lower tooth, the second lower tooth, upper tooth.

Figure 15 is to press only lock dog under rotary shaft, profile when making only lock dog depart from lock dog.

Figure 16 is that rotary shaft is upspring, and makes profile during projection deep guide groove of entrance of lock dog.

Figure 17 is the structural representation that lock dog is in when locking angle.

Figure 18 is that lock dog is by locking angle to unlocking the structural representation that angle rotates.

Figure 19 is that lock dog rotates to structural representation during unblock angle.

Figure 20 is the three-dimensional structure diagram of mounting bracket.

Figure 21 is that the spacing alignment block of the gap between two position and lock blocks on housing and mounting bracket is to punctual Structural representation.

Figure 22 is the spacing alignment block that the gap between two position and lock blocks on housing moves axially to mounting bracket Structural representation during lower section.

Figure 23 be the gap between two position and lock blocks on housing after axial-rotation with the cam phase of mounting bracket Structural representation during fastening.

In figure:

Detailed description of the invention

Below in conjunction with specific embodiment, this utility model is described in detail.Following example will assist in the skill of this area Art personnel are further appreciated by this utility model, but limit this utility model the most in any form.It should be pointed out that, to this For the those of ordinary skill in field, without departing from the concept of the premise utility, it is also possible to make some changes and Improve.These broadly fall into protection domain of the present utility model.

As shown in the Figure of description such as Fig. 1, control device, including helical axis according to a kind of cover plate that this utility model provides 100, rotor 200, housing 600 and the first back-moving spring 701, also include lock dog 300 and lock dog driving means； Helical axis 100 includes dead bolt 101.Housing 600 includes fairlead 603；Helical axis 100 is arranged in fairlead 603； Rotor 200 is connected to the bottom of helical axis 100；Fairlead 603 is provided with deep guide groove 6031 and shallow guide groove 6032, deeply Guide groove 6031 and shallow guide groove 6032 are started to upwardly extend by the lower end of fairlead 603；Adjacent deep guide groove 6031 and shallow There is between the notch of guide groove 6032 dedendum flank 6033；The end face of lock dog 300 includes the upper tooth relative with dedendum flank 6033 Face 301；Projection 201 is extended in the side of rotor 200, as in figure 2 it is shown, the side of rotor 200 is radially prolonged Stretching out projection 201, projection 201 has ramp and the lower inclined plane being positioned at below ramp, ramp and dedendum flank 6033 Matching, lower inclined plane matches with addendum flank 301, thus projection 201 can be along addendum flank 301 and dedendum flank 6033 Slide；Projection 201 is between the end face of the bottom surface of fairlead 603 and lock dog 300；First back-moving spring 701 times Holding and fix relative to housing 600, the upper end of the first back-moving spring 701 connects helical axis 100.

Under the driving of lock dog driving means, lock dog 300 can be conciliate in locking angle and be rotated between locking angle degree；Work as lock dog 300 rotate to when locking angle, and the clearance distance between dedendum flank 6033 and addendum flank 301 is too small to stop projection 201, make projection 201 can not slide between deep guide groove 6031 and shallow guide groove 6032；When lock dog 300 rotates to unlocking During angle, the clearance distance between dedendum flank 6033 and addendum flank 301 enough allow projection 201 deep guide groove 6031 with Slide between shallow guide groove 6032.

Fairlead 603 can be the individual components of the inside being assemblied in housing 600, it is also possible to be the interior of housing 600 The parts extended locked by wall, i.e. the integrated parts of housing 600, fairlead 603 is wherein of this unitary member Point.Helical axis 100 and fairlead 603 mounting means can have various ways.Such as, the sidewall of helical axis 100 is arranged Having the rotary steering groove 103 matched with guide ledges, the inwall of fairlead 603 arranges guide ledges, guide ledges position In rotary steering groove 103；By coordinating of guide ledges and rotary steering groove 103, helical axis 100 can spiral rotation Turn, thus produce axial upper and lower displacement.In alternate manner, it is also possible to the inwall at fairlead 603 arranges rotation and leads To groove, helical axis arranges the guide ledges matched.

Described cover plate controls device and also includes upper cover 800, only lock dog the 500, second back-moving spring 702.Rotor 200, lock Block the 300, first back-moving spring 701, helical axis 100 are all around the middle jack-post of upper cover 800；Rotor 200 is set in spiral shell On the buckle 102 of spin axis 100 bottom；Buckle 102 is set on the middle jack-post of upper cover 800.Second back-moving spring 702 Lower end be the fixing end relative to housing 600, the upper end of the second back-moving spring 702 connects only lock dog 500；Only lock dog 500 lower sections being positioned at lock dog 300；Helical axis 100 moves in axial stroke relative to fairlead 603 spiral rotating Extreme lower position presses only lock dog 500 to depart from lock dog 300 at present；Helical axis 100 moves relative to fairlead 603 spiral rotating Departing from only lock dog 500 during extreme higher position in axial stroke, the second back-moving spring 702 only will extrude pressure on lock dog 500 Lock dog 300.In a change case, only lock dog the 500, second back-moving spring 702 replaces with microswitch；Helical axis 100 move to trigger during the extreme lower position in axial stroke the driving section of microswitch relative to fairlead 603 spiral rotating Part, makes the current supply circuit of microswitch connection lock dog driving means；Helical axis 100 is relative to fairlead 603 spiral rotating Move to depart from during the extreme higher position in axial stroke the drive disk assembly of microswitch, make microswitch cut off lock dog and drive dress The reverse current supply circuit of the current supply circuit put or turn-on current direction.

Further, described lock dog driving means includes the first magnet；Lock dog 300 tightens and fixed is equipped with the second magnet.As Shown in Fig. 3, Fig. 4, the first magnet includes that electric magnet 401, the second magnet include permanent magnet 402；The ferrum of electric magnet 401 Core, permanent magnet 402 are along same circumferentially extending.In a preference, as shown in Figure 16 to Figure 18, when electric magnet 401 When not powering on, permanent magnet 402 adsorbs the iron core in electric magnet 401, thus lock dog 300 is maintained at locking angle； After electric magnet 401 powers on, electric magnet 401 applies repulsion to promote permanent magnet 402 to the permanent magnet 402 originally adsorbed, Thus drive lock dog 300 to rotate to unlocking angle.Wherein it is possible to make lock dog 300 at electric magnet 401 by back-moving spring After dead electricity by lock dog 300 by unlock angle be reset to lock angle, it is also possible to pass in electromagnet 401 reverse current with Push back to lock dog 300 lock angle.In a less preferred example, when electric magnet 401 does not powers on, permanent magnet 402 Adsorb the iron core in electric magnet 401, thus lock dog 300 is maintained at unblock angle；After electric magnet 401 powers on, Electric magnet 401 applies repulsion to promote permanent magnet 402 to the permanent magnet 402 originally adsorbed, thus drives lock dog 300 Rotate to locking angle.In a change case, the first magnet includes permanent magnet, and the second magnet includes electric magnet；Separately In one change case, the first magnet, the second magnet all use electric magnet, by passing to not pass through direction in electromagnet coil Electric current, it is possible to make to produce between the first magnet and the second magnet repulsion or suction.

More specifically, when lock dog 300 rotates to locking angle, as shown in figure 12, dedendum flank 6033 and addendum flank The height Dmin of the minimum axial gap between 301 is less than or equal to maximum height H of projection 201；When lock dog 300 rotates During to unblock angle, as shown in figure 13, the height Dmin of the minimum axial gap between dedendum flank 6033 and addendum flank 301 Maximum height H more than projection 201 so that projection 201 can be by described minimum axial gap with at deep guide groove 6031 And slide between shallow guide groove 6032.

As shown in figure 14, the bottom surface of fairlead 603 is circumferentially arranged has some groups of teeth groove unit, in often organizing teeth groove unit Circumferentially it is disposed with the first lower tooth 60331, deep guide groove the 6031, second lower tooth 60332, shallow guide groove 6032；First Lower tooth the 60331, second lower tooth 60332 forms dedendum flank 6033；The end face of lock dog 300 is circumferentially arranged multiple upper tooth 3011；Upper tooth 3011 forms addendum flank 6031；Two adjacent upper teeth 3011 are designated as upper tooth A, upper tooth B respectively, on Tooth A corresponds to the first lower tooth 60331, deep guide groove 6031, and upper tooth B corresponds to the second lower tooth 60332, shallow guide groove 6032.

When lock dog 300 rotates to locking angle, shape between crown and the crown of the first lower tooth 60331 of described upper tooth A Become and form described minimum between described minimum axial gap, and the crown of described upper tooth B and the crown of the second lower tooth 60332 Axial gap；When lock dog 300 rotates to when unlocking angle, and the crown of described upper tooth A is positioned at the first lower tooth 60331 with deep The underface of guide groove 6031 junction, the crown of described upper tooth B is positioned at the second lower tooth 60332 and is connected with shallow guide groove 6032 The underface at place.

Further, as shown in Figure 20 to Figure 23, described cover plate controls device, also includes mounting bracket 900；Shell Body 600 is assemblied in the installing hole of mounting bracket 900；Some groups of position and lock parts it are provided with (such as on housing 600 1 group, 2 groups or 3 groups), at least include two position and lock blocks 601 at one group of position and lock parts, the two is fixed Gap is there is, it is preferable that only have one group of position and lock parts and include two position and lock blocks 601 between the clamping block 601 of position, Remaining respectively organizes equal only one of which position and lock block in position and lock parts；The hole wall of installing hole is provided with and gap phase The spacing alignment block 901 joined, is provided with cam 902, the two position and lock in the side of mounting bracket 900 or bilateral Block 601 clamps cam 902 to lock connection；Wherein, cam 902 and spacing alignment block 901 are positioned at circumferencial direction not In co-located.

This utility model also provides for a kind of automobile, and described automobile includes that described cover plate controls device.Such as cover plate controls device Connect oil filler cover plate or the charge port cover plate controlling automobile.

Operation principle:

When assuming initial, the cover plate of oil filler is closed, and lock dog 300 is in locking angle, rotor 200 convex Block 201 is positioned at shallow guide groove 6032, and the cover plate of oil filler will the cover plate of oil filler can not be locked in from external opening Closed mode.Now, the cover plate of oil filler pushes down helical axis 100 under keeping, and makes helical axis 100 times pressures only lock dog 500, Only lock dog 500 departs from lock dog 300, and as shown in figure 14, thus lock dog can rotate between locking angle and unblock angle.

When needing the cover plate opening oil filler, electric magnet 401 is powered up so that electric magnet 401 and permanent magnet 402 phase To magnetic pole of the same name between produce repulsion, thus by permanent magnet 402 drive lock dog 300 by locking angle rotate to unlock Angle.Personnel are from the cover plate of outside pressing oil filler, and wherein, personnel are a continuous print push action by cover clamp, for Operation principle of the present utility model is more clearly described, this continuous print push action is decomposed into several stage herein to divide It is not described, specifically: on the basis of when original state, cover plate pushes down helical axis under keeping, the pressing of personnel is first Make cover plate press down helical axis 100, make the projection 201 of rotor 200 be displaced downwardly to addendum flank 301 from shallow guide groove 6032, After personnel continue to press down on cover plate, helical axis 100 is also pressed down in continuation by cover plate, makes projection 201 edge of rotor 200 The crown of addendum flank 301 points to direction at the bottom of tooth and slides, until the projection 201 of rotor 200 is locked at the bottom of tooth, such as Fig. 8 institute Show.Then unclamping cover plate, under the effect of the first back-moving spring 701, helical axis 100 will move up, and drive turns Son 200 synchronizes to move up so that the projection 201 of rotor 200 transposing from the bottom of the tooth of addendum flank 301 contacts first time The flank of tooth 60331, and slide along direction at the bottom of the crown sensing tooth of the first dedendum flank 60331, hence into deep guide groove 6031, As shown in Fig. 9, Figure 15.

After the projection 201 of rotor 200 enters deep guide groove 6,031 1 segment distance, helical axis 100 presses down only lock dog 500, under the effect of the second back-moving spring 702, only lock dog 500 moves up until being engaged and being in unblock angle Lock dog 300, thus maloperation when preventing fueling operation (maloperation refers to that in refueling process, lock dog is driven to locking Angle, this maloperation will cause oiling back shroud to close, and therefore need to prevent).

After oiling completes, close the cover plate of oil filler, under cover plate, press helical axis 100 to make only lock dog 500 depart from lock dog 300, And make electric magnet 401 certain time that is reversely energized make lock dog 300 rotate to locking angle, then electric magnet 401 dead electricity, Thus state when returning to initial, as shown in figure 11.

Above specific embodiment of the utility model is described.It is to be appreciated that this utility model is not Being confined to above-mentioned particular implementation, those skilled in the art can make a variety of changes within the scope of the claims Or amendment, this has no effect on flesh and blood of the present utility model.In the case of not conflicting, embodiments herein Can arbitrarily be mutually combined with the feature in embodiment.

Claims (10)

1. cover plate controls a device, multiple including helical axis (100), rotor (200), housing (600) and first Position spring (701), it is characterised in that also include lock dog (300) and lock dog driving means；

Housing (600) includes fairlead (603)；Helical axis (100) is arranged in fairlead (603)；Rotor (200) It is connected to the bottom of helical axis (100)；

Fairlead (603) is provided with deep guide groove (6031) and shallow guide groove (6032), deep guide groove (6031) and shallow guide groove (6032) lower end by fairlead (603) starts to upwardly extend；Adjacent deep guide groove (6031) and shallow guide groove (6032) Notch between there is dedendum flank (6033)；

The end face of lock dog (300) includes the addendum flank (301) relative with dedendum flank (6033)；

Projection (201) is extended in the side of rotor (200)；Projection (201) is positioned at bottom surface and the lock of fairlead (603) Between the end face of block (300)；

The lower end of the first back-moving spring (701) is fixed relative to housing (600), the upper end of the first back-moving spring (701) Connect helical axis (100)；

Under the driving of lock dog driving means, lock dog (300) can be conciliate in locking angle and be rotated between locking angle degree；

When lock dog (300) rotates to locking angle, the clearance gap between dedendum flank (6033) and addendum flank (301) From or gap shape stop projection (201), make the projection (201) can not be at deep guide groove (6031) and shallow guide groove (6032) Between slide；

When lock dog (300) rotates to unblock angle, the clearance gap between dedendum flank (6033) and addendum flank (301) From and gap shape can allow for projection (201) and slide between deep guide groove (6031) and shallow guide groove (6032).

Cover plate the most according to claim 1 controls device, it is characterised in that lock dog driving means includes the first magnetic Body；Lock dog (300) tightens and fixed is equipped with the second magnet.

Cover plate the most according to claim 2 controls device, it is characterised in that the first magnet includes electric magnet (401), Second magnet includes permanent magnet (402)；The iron core of electric magnet (401), permanent magnet (402) are along same circumferentially extending.

Cover plate the most according to claim 1 controls device, it is characterised in that when lock dog (300) rotates to locking During angle, the height Dmin of the minimum axial gap between dedendum flank (6033) and addendum flank (301) is less than or equal to convex Maximum height H of block (201)；

When lock dog (300) rotates to unblock angle, the minimum axle between dedendum flank (6033) and addendum flank (301) Maximum height H of projection (201) it is more than so that projection (201) can be by described minimum to the height Dmin in gap Axial gap is to slide between deep guide groove (6031) and shallow guide groove (6032).

Cover plate the most according to claim 1 controls device, it is characterised in that the bottom surface of fairlead (603) is along week To being provided with some groups of teeth groove unit, in often organizing teeth groove unit, circumferentially it is disposed with the first lower tooth (60331), deep Guide groove (6031), the second lower tooth (60332), shallow guide groove (6032)；First lower tooth (60331), the second lower tooth (60332) Form dedendum flank (6033)；

The end face of lock dog (300) is circumferentially arranged multiple upper tooth (3011)；Upper tooth (3011) forms addendum flank (6031)；

Two adjacent upper teeth (3011) are designated as upper tooth A, upper tooth B respectively, upper tooth A corresponding to the first lower tooth (60331), Deep guide groove (6031), upper tooth B corresponds to the second lower tooth (60332), shallow guide groove (6032).

Cover plate the most according to claim 5 controls device, it is characterised in that when lock dog (300) rotates to locking During angle, the crown of described upper tooth A is positioned at the underface of the crown of the first lower tooth (60331), to form described minimum Axial gap, and the crown of described upper tooth B is positioned at the underface of crown of the second lower tooth (60332), described to be formed Minimum axial gap；

When lock dog (300) rotates to when unlocking angle, and the crown of described upper tooth A is positioned at the first lower tooth (60331) with deep The underface of guide groove (6031) junction, the crown of described upper tooth B is positioned at the second lower tooth (60332) and shallow guide groove (6032) The underface of junction.

Cover plate the most according to claim 1 controls device, it is characterised in that also include upper cover (800)；

Rotor (200), lock dog (300), the first back-moving spring (701), helical axis (100) are all around upper cover (800) Middle jack-post；

Rotor (200) is set on the buckle (102) of helical axis (100) bottom；Buckle (102) is set in upper cover (800) on middle jack-post.

Cover plate the most according to claim 1 controls device, it is characterised in that also include:

-stop lock dog (500) and the second back-moving spring (702)；The lower end of the second back-moving spring (702) is relative to shell The fixing end of body (600), the upper end of the second back-moving spring (702) connects only lock dog (500)；Only lock dog (500) It is positioned at the lower section of lock dog (300)；Helical axis (100) moves to axial row relative to fairlead (603) spiral rotating Extreme lower position in journey presses only lock dog (500) to depart from lock dog (300) at present；Helical axis (100) is relative to fairlead (603) Spiral rotating moves to depart from during the extreme higher position in axial stroke only lock dog (500), and the second back-moving spring (702) will Only extrude pressure lock dog (300) on lock dog (500)；Or

-microswitch；Helical axis (100) moves in axial stroke relative to fairlead (603) spiral rotating Trigger the drive disk assembly of microswitch during lower position, make the current supply circuit of microswitch connection lock dog driving means；Helical axis (100) move to relative to fairlead (603) spiral rotating depart from microswitch during the extreme higher position in axial stroke Drive disk assembly, makes microswitch cut off the current supply circuit of lock dog driving means.

Cover plate the most according to claim 1 controls device, it is characterised in that also include；Mounting bracket (900)； Housing (600) is assemblied in the installing hole of mounting bracket (900)；

Being provided with some groups of position and lock parts on housing (600), at least one group of position and lock parts includes that two are determined , between the two position and lock block (601), there is gap in position clamping block (601)；

The hole wall of installing hole is provided with the spacing alignment block (901) matched with gap, in mounting bracket (900) Side or bilateral are provided with cam (902), and the two position and lock block (601) clamping cam (902) is to lock connection；

Wherein, cam (902) and spacing alignment block (901) are positioned on the diverse location of circumferencial direction.

10. an automobile, it is characterised in that include that the cover plate according to any one of claim 1 to 9 controls device.