CN103085654B - Oil filling pipe cover with lock core - Google Patents
Oil filling pipe cover with lock core Download PDFInfo
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- CN103085654B CN103085654B CN201310052161.0A CN201310052161A CN103085654B CN 103085654 B CN103085654 B CN 103085654B CN 201310052161 A CN201310052161 A CN 201310052161A CN 103085654 B CN103085654 B CN 103085654B
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- swivel becket
- lock core
- dead bolt
- ratchet
- lower cover
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Abstract
The invention discloses an oil filling pipe cover with a lock core. A lock tongue slot at least penetrating through to a lock core slot is formed in the lower portion of the lateral wall of a lock core seat. A lock tongue is matched inside the lock tongue slot in a sliding mode. A matching part is arranged at the top end of the lock tongue. An eccentricity push pillar is arranged at the bottom end of the lock core. A clamping slot which can be matched with a lock tongue ratchet when the lock tongue is pushed out is arranged in the inner wall of a lower cover body. An upper cover body is fixedly connected with the top end of the lock core seat. The lock core seat further comprises a first rotating ring fixedly arranged on the upper cover body and a third rotating ring fixed together with the lower cover body. The first rotating ring and the third rotating ring are connected in a reverse overrun clutch mode. The anticlockwise synchronous rotation between the upper cover body and the lower cover body is achieved through the lock core, the lock tongue and the ratchet type clamping slot of the lower cover body, and the clockwise synchronous rotation between the upper cover body and the lower cover body is achieved through the first rotating ring and the third rotating ring. The oil filling pipe cover with the lock core uses the lock core to replace an inhaul cable to control a oil tank cover plate device, and thus cost and weight of the whole vehicle are reduced.
Description
Technical field
The present invention relates to a kind of filling pipe cap, more precisely, relate to a kind of filling pipe cap with lock core.
Background technology
Present countries in the world are to environmental protection pay attention to day by day, and the quality requirements of customer to automobile is more and more higher, and first traditional vehicle fuel up is open by controlling fuel tank cover plate, then opens filling pipe cap enforcement filling.But this structure has certain hidden danger:
1, people opens fuel tank cover plate at operator's compartment, and needs about 3 meters wire drawings to connect between operating handle and cover plate, takies vehicle body space, increases cost;
2, when the wire drawing controlling fuel tank cover plate was lost efficacy, cover plate open function can be caused to lose efficacy, inconvenience can be brought to oiling;
3, fuel tank cover plate closing function lost efficacy, and will face fuel tank locking cap arbitrarily may be opened by other people, causes car owner to lose or environmental pollution.
Fuel tank lock of the prior art, its idling structure comprises lock core, dead bolt and switch block, dead bolt has the endoporus that cross section is octagon, the drive block coordinated with lock core is provided with in endoporus, the cross section of drive block is octagon, wherein one group of opposite side coordinates for contacting with dead bolt, and when drive block half-twist, another group opposite side exists bar shaped gap with dead bolt when coordinating.Its specific works process is: after dead bolt drives switch block and base is screwed into position, key is rotated clockwise 90 °, namely switch block is in the lock state.Extract key, antitheft idling structure just works.Now the boss of limiting stopper and base is everywhere in misalignment position.The dentalation of dead bolt is still in engagement with the dentalation of switch block, becomes the mated condition being in gap between drive block and dead bolt.Dead bolt, when the effect being subject to power, because have gap between drive block and dead bolt, so dead bolt can retreat and occur jumping tooth idle running phenomenon when stressed, just produces relative motion between such dead bolt and switch block.
The fuel tank lock of said structure, its sealed complex structure, and trouble is installed.
Summary of the invention
The present invention, in order to solve problems of the prior art, provides a kind of filling pipe cap with lock core.
Technical scheme of the present invention is: a kind of filling pipe cap with lock core, comprising:
Lower cover, and be positioned at lower cover and there is the lock core base of lock core groove, and be positioned at the lock core that lock core groove and lock core base relatively rotate connection, the below of described lock core base sidewall has at least through lock tongue slot to lock core groove, be sliding combined with dead bolt in described lock tongue slot, the top of described dead bolt is provided with auxiliary section; The bottom of described lock core is provided with eccentric pushing post, and the matching relationship of described eccentric pushing post and auxiliary section is as follows: in the rotation process of lock core, and described eccentric pushing post promotes auxiliary section, makes dead bolt pushed away from lock tongue slot; The draw-in groove that inwall is provided with when dead bolt is released and dead bolt is sealed of described lower cover, described draw-in groove and dead bolt are that ratchet coordinates;
The top of described lock core base is connected a upper cover body, also comprises the first swivel becket be fixedly mounted with upper cover body, and the 3rd swivel becket be fixed together with lower cover, and described first swivel becket is connected with the reverse overdrive clutch of the 3rd swivel becket.
Preferably, the second swivel becket is also provided with between described first swivel becket and the 3rd swivel becket, described first swivel becket and the top of the second swivel becket are that reverse overdrive clutch is connected, and described 3rd swivel becket and the below of the second swivel becket are that forward overdrive clutch is connected.
Preferably, the outer circumference surface of described second swivel becket is provided with multiple first ratchet, and described first ratchet comprises at the bottom of tooth top, tooth and from tooth top and extends to the curved surface the second swivel becket outer circumference surface; The inner peripheral surface of described first swivel becket be protruding with multiple depart from its direction, center of circle for the extension arm with the first ratchet engagement, leave the deformation space bending towards the first swivel becket for extension arm between described extension arm and the first swivel becket.
Preferably, the position outer circumference surface of described second swivel becket closing on the first ratchet is also provided with the second ratchet, and described second ratchet comprises and extends to the second curved surface at the bottom of the tooth of the first ratchet from its tooth top; The relation of the second ratchet and extension arm is as follows: when free end and first ratchet engagement of extension arm, and the sidewall of extension arm is against on the second curved surface.
Preferably, the inner peripheral surface of described 3rd swivel becket is provided with multiple 3rd ratchet slot, and described 3rd ratchet slot comprises bottom land, and extends to the 3rd curved surface the 3rd swivel becket inner peripheral surface from bottom land; The outer circumference surface of described second swivel becket is protruding with the second extension arm that the is multiple and engagement of the 3rd ratchet slot, leaves the deformation space bending towards the second swivel becket for the second extension arm between described second extension arm and the second swivel becket.
Preferably, the two ends of the through lock core base sidewall of described lock tongue slot, the direction that dead bolt stretches out is designated as the right side, direction, and the left side of described lock tongue slot is provided with the stoping block preventing dead bolt from skidding off; One sidewall of described lock tongue slot is provided with the first projection that cross section is wedge shape, comprises the first lozenges being positioned at right side and the second lozenges being positioned at left side; Described dead bolt comprises dead bolt body, the respective side walls of dead bolt body is provided with the elastic arm stretched out from right to left, the sidewall of described elastic arm and dead bolt body leaves the space for elastic arm distortion, the left end of described elastic arm is provided with in wedge structure second is protruding, comprises the 3rd lozenges being positioned at right side and the 4th lozenges being positioned at left side; Described first protruding as follows with the matching relationship of the second projection: what the second lozenges of described first projection and the 3rd lozenges of the second projection had an initial position contacts cooperation position; Stretch out in the process of lock tongue slot at described dead bolt body, described elastic arm has one and presses to deformation space and make described first lozenges contact the position coordinated with the 4th lozenges.
Preferably, another sidewall of dead bolt body is provided with the elastic arm stretched out from left to right, the sidewall of described elastic arm and dead bolt body leaves the space for elastic arm distortion, and the left end of described elastic arm is provided with the in wedge structure the 3rd projection coordinated with lock tongue slot sidewall contact all the time.
Preferably, described 3rd swivel becket and lower cover are integrated injection mo(u)lding, and the 3rd swivel becket is positioned at the second inwall above lower cover, and draw-in groove is positioned on the first inwall below lower cover, the internal diameter of described first inwall is less than the internal diameter of the second inwall, and forms a step in its junction.
Preferably, described second swivel becket through lock core base and be positioned at the first inwall is connected with the second inwall place formation step.
Preferably, the sidewall on described lower cover top is provided with a circle flange; Also be provided with a liner in described upper cover body, described lock core base and this liner are connected, and are circumferentially distributed with multiple projection for snap flange at described internal memory sidewall.
Filling pipe cap of the present invention, its structure is simple, and make when rotating clockwise upper cover body, the first swivel becket and the 3rd swivel becket synchronous axial system, can be tightened in lower cover on fuel tank.When rotating counterclockwise upper cover body, first swivel becket and the idle running of the 3rd swivel becket, want to turn on filling pipe cap, key must be used, be inserted in lock core and rotate, rotate key and make the eccentric pushing post of lock core that dead bolt is released lock tongue slot, the ratchet-like locking block of lock and the ratchet-shaped draw-in groove of lower cover inwall mesh together, rotate counterclockwise upper cover body and can realize rotating counterclockwise of lower cover, achieve being separated of lower cover and fuel tank; Rotate clockwise upper cover body, the ratchet-like locking block of dead bolt and the ratchet-shaped draw-in groove of lower cover inwall repel mutually, make dead bolt return in lock tongue slot; Meanwhile, the first swivel becket and the 3rd swivel becket synchronous axial system, make upper cover body that lower cover can be driven synchronously to rotate clockwise.Namely, conter clockwise synchronous axial system (turning on the process of filling pipe cap) between upper cover body and lower cover is realized by the ratchet-shaped draw-in groove of lock core, dead bolt, lower cover, and the cw synchronous axial system (tightening the process of filling pipe cap) between upper cover body and lower cover is realized by the first swivel becket, the 3rd swivel becket.The present invention instead of cable control fuel tank locking cap panel assembly by lock core, reduces integral vehicle cost and weight.
Accompanying drawing explanation
Fig. 1-Fig. 3 shows the structural representation of lock core base in the present invention.
Fig. 4-Fig. 5 shows the structural representation of dead bolt in the present invention.
Fig. 6 shows the structural representation of lower cover in the present invention.
Fig. 7 shows the structural representation of lock core of the present invention.
Fig. 8 to show in Fig. 6 lower cover at the section drawing of the first high spot.
Fig. 9 shows the structural representation of upper cover body in the present invention.
Figure 10 shows the exploded view of filling pipe cap of the present invention.
Figure 11 shows the structural representation of filling pipe cap of the present invention.
Figure 12 shows the structural representation of overriding clutch second swivel becket of the present invention.
Figure 13 shows the structural representation of overriding clutch first swivel becket of the present invention.
Figure 14 shows the structural representation of overriding clutch of the present invention.
Figure 15 shows the structural representation of the another kind of mode of overriding clutch of the present invention.
Figure 16 shows the enlarged drawing at overriding clutch A place in Figure 15.
Figure 17 shows the assembling schematic diagram of dead bolt and lock tongue slot in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
With reference to figure 1-Fig. 8, Figure 17, the installation assembly of a kind of lock core of the present invention, comprises the lock core base 101 with lock core groove, and be positioned at lock core groove and lock core base 101 lock core 1 in relative rotation, lock core base 101 of the present invention is the cylindrical of hollow, and its one end is closed, and the other end is used for putting into lock core.Described lock core coordinates the structure of key to belong to existing technology, no longer illustrates at this.Lock core 1 of the present invention, the position of departing from its center of circle in its bottom arranges an eccentric pushing post 1a.
Have at least through lock tongue slot 103 to lock core groove in the below of lock core base 101 sidewall, be sliding combined with dead bolt 2 in described lock tongue slot 103, the shape of this lock tongue slot 103 can be the matching form with dead bolt, and this dead bolt can be slidably reciprocated in lock tongue slot 103.Auxiliary section 22 is provided with on the top of described dead bolt 2; When assembling, described lock core 1 is arranged in lock core base 101, its eccentric pushing post 1a and auxiliary section 22 is made to have certain matching relationship, the matching relationship of described eccentric pushing post 1a and auxiliary section 22 is as follows: in the rotation process of lock core 1, described eccentric pushing post 1a promotes the sidewall of auxiliary section, make dead bolt 2 stretch out lock tongue slot 103, achieve the function of locking.Auxiliary section 22 of the present invention can be the groove being arranged on dead bolt 2 top.The side of described groove also can extend to the sidewall of dead bolt 2, and this eccentric pushing post 1a puts in groove, and when rotation, the sidewall of extruding groove, makes dead bolt 2 stretch out lock tongue slot 103; This auxiliary section also can be the contact surface of this dead bolt top projection, and this eccentric pushing lives in 1a and extruded this contact surface thus make dead bolt 2 stretch out lock tongue slot 103, finally achieves the lock function of this lock core.
The installation assembly of lock core of the present invention, have employed a kind of dead bolt being not used in prior art and release mode, inserted by the key of correspondence in lock core, twisting key makes the eccentric pushing post 1a of lock core 1 bottom that dead bolt 2 is released lock tongue slot 103.The shape of auxiliary section 22 is set, can select to release dead bolt during twisting 45 ° and put in place, or during twisting 90 °, release dead bolt puts in place.With reference to figure 2, Fig. 7, the outer wall of lock core 1 is provided with rotary spacing block 1b, the inwall of lock core base is provided with position-limited trough 112, when coordinating, when lock core 1 is arranged on after in the lock core groove of lock core base, rotary spacing block 1b is arranged in described position-limited trough 112, and the radian at the two ends of described position-limited trough 112 makes lock core 1 can only rotate 45 °.
The bearing fit of dead bolt 2 of the present invention and lock tongue slot 103, can set up an orienting lug 102 in described lock tongue slot 103, and this orienting lug 102 can coordinate with the groove 23 on dead bolt, plays the effect of a guiding.This orienting lug 102 can be arranged on the sidewall of lock tongue slot 103, also can be arranged on its diapire, certainly also can arrange protruding block at the sidewall of dead bolt 2, and with the slot fit that lock tongue slot 103 sidewall is arranged, no longer illustrate at this.
Preferably, the two ends of described lock tongue slot 103 through lock core base 102 sidewall, are a through hole in the present invention.The direction that dead bolt 2 is stretched out is designated as the right side, direction (right), and its opposite sense is left, now, preferably arranges a stoping block 109 in the left side of described lock tongue slot 103 and skids off from the left side of lock tongue slot 103 to prevent dead bolt.
Firmly install in lock tongue slot 103 to make dead bolt 2, and be convenient to the slip of dead bolt 2 in lock tongue slot 103, dead bolt 2 of the present invention can do following improvement: with reference to figure 8, a sidewall of described lock tongue slot 103 is provided with the first projection 111 that cross section is wedge shape, comprises the first lozenges 111b being positioned at right side and the second lozenges 111a being positioned at left side; Described dead bolt 2 comprises dead bolt body, the respective side walls of dead bolt body is provided with the elastic arm 24 stretched out from right to left, the sidewall of described elastic arm 24 and dead bolt body leaves the space 240 be out of shape for elastic arm 24, and elastic arm 240 increases gradually from the gap of dead bolt body sidewall from right to left.The left end (free end) of described elastic arm 24 is provided with the second projection 25 in wedge structure, comprises the 3rd lozenges 251 being positioned at right side and the 4th lozenges 250 being positioned at left side; The sidewall cooperation of described elastic arm 24 and lock tongue slot 103 makes the matching relationship of the described first protruding 111 and second projection 24 as follows: when initial position, the second lozenges 111a of described first projection 111 contacts cooperation with the 3rd lozenges 251 of the second projection 25; Now, if dead bolt 2 will be made to stretch out lock tongue slot 103, the second lozenges 111a and the 3rd lozenges 251 extrude mutually, and elastic arm 24 is out of shape, and finally make the second lozenges 111a be separated with the 3rd lozenges 251; Stretch out in the process of lock tongue slot 103 at described dead bolt body, described elastic arm 24 has one and presses to deformation space and make described first lozenges 111b contact the position coordinated with the 4th lozenges 250, now, dead bolt 2 has stretched out lock tongue slot 103 to desired location, first lozenges 111b returns lock tongue slot 103 with contacting time cooperation can prevent dead bolt 2 to be subject to slight power of the 4th lozenges 250, make dead bolt 2 return lock tongue slot 103, at least need to provide the power being greater than elastic arm distortion.
The present invention preferably, another sidewall of dead bolt body is provided with the elastic arm 24 stretched out from left to right of same structure, the sidewall of described elastic arm 24 and dead bolt body leaves the space for elastic arm distortion, the left end (free end) of this elastic arm is provided with the in wedge structure the 3rd projection coordinated with lock tongue slot sidewall contact, 3rd projection can be identical with the structure of the second projection, without be at initial position, or stretch out in the process of lock tongue slot at dead bolt, the lozenges of the 3rd projection coordinates with the sidewall contact of lock tongue slot 103 all the time.Both sides due to dead bolt body are equipped with this elastic arm, thus can make this dead bolt 2 can resilient engagement in lock tongue slot 103, stretching out and retracting of this dead bolt 2 can be convenient to.
Dead bolt body of the present invention, can be provided with lightening grooves 26 on its top, to reduce the counterweight of dead bolt; Dead bolt body of the present invention can be overall as latch-up structure, preferably, is provided with the locking block 21 for locking of protrusion at its right-hand member, when this dead bolt stretches out, together with locking block 21 sealed with thing to be locked (engaging).
The installation assembly of lock core of the present invention can be applicable in filling pipe cap, and with reference to figure 6, the outside of lower cover is provided with the screw thread for sealed fuel tank, lock core base 101 is positioned at lower cover 6, in the rotation process of lock core 1, described eccentric pushing post 1a promotes auxiliary section, makes dead bolt 2 pushed away from lock tongue slot 103; The inwall of described lower cover 6 is provided with when dead bolt is released, the draw-in groove 62 sealed with dead bolt.Now, rotation lock core print seat 101, can drive lower cover 6 to rotate, and realizes being separated with sealed of lower cover 6 and fuel tank.
The present invention preferably, described draw-in groove 62 is ratchet-shaped draw-in groove, be combined together with dead bolt 2 ratchet stretched out, that is the locking block 21 that dead bolt right-hand member protrudes is ratchet-like, the ratchet-shaped draw-in groove of itself and lower cover inwall is combined together, when rotating clockwise lock core 1, dead bolt 2 is released by eccentric pushing post 1a, the inwall of dead bolt and lower cover 6 is combined together, with reference to figure 6, now rotating counterclockwise lock core base 101 can drive lower cover 6 to rotate counterclockwise, when rotating clockwise lock core base 101, due to ratchet relation therebetween, the ratchet-shaped draw-in groove of lower cover 6 inwall and the ratchet-like locking block 21 of dead bolt 2 repel mutually, dead bolt 2 is made to return in lock tongue slot 103, achieve being separated of dead bolt 2 and lower cover 6, thus achieve the unidirectional rotation function of overriding clutch.The inner ring of this overriding clutch comprises lock core base 101, and is positioned at lock core 1, the dead bolt 2 of lock core base 101, and the outer shroud of this overriding clutch comprises lower cover 6, and the ratchet-shaped draw-in groove that lower cover 6 inwall is arranged.
Cooperation between lower cover 6 and lock core base 101 can adopt structure known in the art, the preferred structure of the present invention is as follows: described lock core base 101 is fixed in the liner 10 of a lid, itself and lid liner 10 can be integrated, the liner 10 of described lid comprises liner body 100, and the sidewall 107 of circumferential lower convexity along this body 100, multiple projection 105 for engaging lower cover 6 is circumferentially distributed with at described sidewall 107, correspondingly, the sidewall on described lower cover 6 top is provided with a circle flange (view does not provide), this flange is stuck in the projection 105 of liner body sidewall setting, and make lower cover 6 can along the coaxial rotation of sidewall 107, therefore, by the rotation of the controlled lockmaking core print seat 101 of liner 10 in lower cover 6.
Now, key is inserted in lock core 1, rotate key and make the eccentric pushing post 1a of lock core 1 that dead bolt 2 is released lock tongue slot 103, after dead bolt 2 lower cover 6 is locked, rotate counterclockwise liner 10 and can realize rotating counterclockwise of lower cover 6, now, liner 10 and lower cover 6 are synchronous axial system relation, realize being separated of lower cover 6 and fuel tank; Rotate clockwise liner 10, the ratchet-like locking block 21 of dead bolt 2 repels mutually with the ratchet-shaped draw-in groove 62 of lower cover 6 inwall, and make dead bolt 2 return in lock tongue slot 103, now liner 10 is in idling conditions.
A upper cover body 3 is also provided with in the outside of described liner 10, with reference to figure 9, fit system between described upper cover body 3, liner 10 is similar to the fit system between liner 10 to lower cover 6, the flange that liner external wall of upper portion is arranged is stuck on the projection 30 of upper cover body 3 sidewall circumferencial direction setting, in order to make can not to relatively rotate between liner 10 and upper cover body 3, limiting stopper 110 can be set in the upper surface of liner, be combined together with the groove (view does not provide) that upper cover body 3 is arranged.Preferably, for the ease of by limiting stopper 110 exactly together with groove fit, the sidewall of described upper cover body 3 is provided with guidepost 31, on the sidewall of described liner 10, has the guide groove 106 passed for guidepost 31 accordingly.
Upper cover body 3, liner 10, lock core base 101 can be integrated structures, in view of the complexity of Shooting Technique, together with lock core base 101 is injection-moulded in liner 10, and then fixed by snap with upper cover body 3 together with.
With reference to Figure 10, Figure 11, a kind of filling pipe cap with lock core of the present invention, comprise the upper cover body 3 of said structure, lower cover 4, lock core 1, dead bolt 2, achieve the disengaging of filling pipe cap and fuel tank, the tightening way of filling pipe cap and fuel tank can adopt structure known in the art, and preferred mode is as follows:
For the ease of introducing and describing the application of overriding clutch in filling pipe cap of the present invention, if energy cw synchronous axial system, conter clockwise idle running between inner ring and outer shroud, then defining this connection mode is that reverse overdrive clutch connects, otherwise is then defined as the connection of forward overdrive clutch.
With reference to figure 10-Figure 11, filling pipe cap of the present invention, also comprise the first swivel becket 4 be fixed together with upper cover body 3, and the 3rd swivel becket 61 to be fixed together with lower cover 6, described 3rd swivel becket 61 and lower cover 6 can be integrated, and it can be the second inwall be positioned at above lower cover 6, and the draw-in groove 62 of lower cover is positioned on the first inwall below it, the internal diameter of described first inwall is less than the internal diameter of the second inwall, and forms a step 621 in its junction.When coordinating, the first swivel becket 4 be fixed in upper cover body 3 is connected with the reverse overdrive clutch of the 3rd swivel becket 61 be fixed on lower cover 6.
Above-mentioned structure, makes when rotating clockwise upper cover body 3, and the first swivel becket 4 and the 3rd swivel becket 61 synchronous axial system, that is, make lower cover 6 rotate clockwise, can be tightened on fuel tank.When rotating counterclockwise upper cover body 3, first swivel becket 4 and the 3rd swivel becket 61 dally, want to turn on filling pipe cap, key must be used, be inserted in lock core 1 and rotate, rotate key and make the eccentric pushing post 1a of lock core 1 that dead bolt 2 is released lock tongue slot 103, the ratchet-like locking block 21 of dead bolt 2 meshes together with the ratchet-shaped draw-in groove 62 of lower cover 6 inwall, rotate counterclockwise upper cover body 3 and can realize rotating counterclockwise of lower cover 6, achieve being separated of lower cover 6 and fuel tank; Rotate clockwise upper cover body 3, the ratchet-like locking block 21 of dead bolt 2 repels mutually with the ratchet-shaped draw-in groove 62 of lower cover 6 inwall, makes dead bolt 2 return in lock tongue slot 103; Meanwhile, the first swivel becket 4 and the 3rd swivel becket 61 synchronous axial system, make upper cover body 3 that lower cover 6 can be driven synchronously to rotate clockwise.Namely, conter clockwise synchronous axial system (turning on the process of filling pipe cap) between upper cover body 3 and lower cover 6 is realized by the ratchet-shaped draw-in groove 62 of lock core, dead bolt, lower cover, and the cw synchronous axial system (tightening the process of filling pipe cap) between upper cover body 3 and lower cover 6 is realized by the first swivel becket 4, the 3rd swivel becket 61.
For the operator that strength is less, it is difficult to judge whether filling pipe cap and fuel tank to lock, the upper cover body 3 of said structure and lower cover 6 are when cw synchronous axial system (tightening the process of filling pipe cap), when the operator that strength is less twists motionless upper cover body 3, then there will be and take for sealed situation about putting in place.Filling pipe cap of the present invention has also been set up a convenient operation person and has been judged the sealed device whether put in place, concrete modified node method is as follows: between described first swivel becket 4 and the 3rd swivel becket 61, be also provided with the second swivel becket 5, described first swivel becket 4 and the top of the second swivel becket 5 are that reverse overdrive clutch is connected, and described 3rd swivel becket 61 and the below of the second swivel becket 5 are that forward overdrive clutch is connected.In view of above-mentioned structure, when rotating counterclockwise upper cover body 3, because described first swivel becket 4 and the top of the second swivel becket 5 are that reverse overdrive clutch is connected, therefore, how below regardless of the second swivel becket 5 is connected with the 3rd swivel becket 61, and the first swivel becket 4, second swivel becket 5, the 3rd swivel becket 61 make lower cover 6 and upper cover body 3 be in idling conditions (now not considering the structure of lock core, dead bolt); When rotating clockwise upper cover body 3, due to the below of the second swivel becket 5 with the 3rd swivel becket 61 for forward overdrive clutch is connected, therefore the first swivel becket 4, second swivel becket 5, the 3rd swivel becket 61 make lower cover 6 and upper cover body 3 also be in idling conditions.But be no matter the overriding clutch of how structure, it is all need to overcome certain resistance when realization relatively idle running, judges whether filling pipe cap to tighten with this by existing technology or means, namely (process of filling pipe cap is tightened) when rotating clockwise upper cover body 3, in the process that lower cover 6 and fuel tank are tightened, its resistance be subject to far can not allow the first swivel becket 4, second swivel becket 5, idle running is realized between 3rd swivel becket 61, therefore can lower cover 6 be screwed in fuel tank, after locking puts in place, rotary resistance between lower cover 6 and upper cover body 3 meets the first swivel becket 4, second swivel becket 5, the requirement of idle running between the 3rd swivel becket 61, now, (namely upper cover body 3 is skidded) is dallied between upper cover body 3 and lower cover 6, now, judge that lower cover 6 locking puts in place.
With reference to Figure 12, Figure 13, Figure 14, the preferred overriding clutch of one of the present invention, structure is as follows: comprise the first swivel becket 4 and the second swivel becket 5, second swivel becket 5 is positioned at the first swivel becket 4 as inner ring, and it is coaxial with the first swivel becket 4, the outer circumference surface of described second swivel becket 5 is provided with multiple first ratchet 51, and described first ratchet 51 to comprise at the bottom of tooth top 511, tooth 512 and extend to the curved surface 510 the second swivel becket outer circumference surface from tooth top 511; The inner peripheral surface of described first swivel becket 4 is protruding with multiple extension arm 42 for engaging with the first ratchet 51 departing from its direction, center of circle, leaves the deformation space 41 bending towards the first swivel becket 4 for extension arm 42 between described extension arm 42 and the first swivel becket 4.
First swivel becket 4 of the present invention and the second swivel becket 5 are all integrated injection moldings, described extension arm 42 stretches in the first swivel becket 4, deformation space 41 is left between the inner peripheral surface of its body and the first swivel becket 4, therefore, under force, extension arm 42 can be pressed towards on the inner peripheral surface of the first swivel becket 4.When coordinating, mating holes 43 by the first swivel becket 4 end face is arranged is fixed on such as lid, second swivel becket 5 is positioned at the first swivel becket 4, described extension arm 42 and the first ratchet 51 mesh together, as shown in figure 14, when the first swivel becket 4 rotates clockwise, the free end of extension arm withstands the brake surface of 512 to tooth top 511 at the bottom of tooth on the first ratchet 51, and drives the second swivel becket to rotate clockwise, when the first swivel becket 4 rotates counterclockwise, a resistance (being greater than the deformation force of extension arm 41) is provided to the second swivel becket, the free end of extension arm 42 leaves the first ratchet 51, be rotated further and arrive the curved surface 510 of next ratchet, be rotated further the first swivel becket 4, mutually extrude between curved surface 510 and extension arm 42, and make extension arm 42 press to the inner peripheral surface of the first swivel becket 4, extension arm 42 slips over the tooth top of the first ratchet 51 under the distortion of himself, and initial position is got back under the restoring force of himself, and clash into the outer circumference surface of the second swivel becket 5, send " " a sound, achieve the function that overriding clutch unidirectional delivery is rotated.
Second swivel becket of the present invention can also do following improvement: the position closing on the first ratchet 51 on the outer circumference surface of described second swivel becket 5 is also provided with the second ratchet 53, its structure is identical with the first ratchet 51, comprises the second curved surface 530 extending at the bottom of the first ratchet tooth 512 from its tooth top; Therefore when the free end 420 of extension arm 42 engages with the first ratchet 51, the sidewall of extension arm 42 is against on the second curved surface 530.When the first swivel becket 4 rotates counterclockwise, the free end 420 engaged with the first ratchet 51 slides along the second curved surface 530 of the second ratchet 53, and deform, when after the tooth top slipping over the second ratchet 53, extension arm 42 recovers to be out of shape and clashes into the outer circumference surface of the second swivel becket 5, send " " a sound, if now rotate clockwise the first swivel becket 4, extension arm 41 and the second ratchet 53 mesh together drive second swivel becket 5 and rotate.The setting of the second ratchet, can increase the resistance that the first swivel becket 4 rotates counterclockwise.
Engagement between extension arm 42 of the present invention and the first ratchet 51 can be that the free end 420 of extension arm 42 and the first ratchet 51 are meshed together.Can also be following structure: be provided with on the sidewall of described extension arm 42 for the lug boss with the first ratchet 51 engagement.
Overriding clutch of the present invention can also do following improvement: described extension arm 42 is distributed on the inner peripheral surface of described first swivel becket 4 equidistantly, and the quantity of described extension arm 42 is at least twice of the first ratchet 51.Such as described second swivel becket is provided with three the first ratchets 51, and the quantity of extension arm 42 is six.When three (one group) extension arms 42 engage with three the first ratchets 51 time, remaining three extension arms 42 are in vacant state, when rotating, two groups of extension arm successively with the first ratchets 51 engage, when after extension arm 41 fracture damage wherein, other extension arm still can be adopted to be rotated further the second swivel becket 5.
Overriding clutch of the present invention, can also be following structure: with reference to Figure 12, Figure 15, Figure 16, comprise the 3rd swivel becket 61, and be positioned at the 3rd swivel becket 61 and second swivel becket 5 coaxial with the 3rd swivel becket 61, the inner peripheral surface of described 3rd swivel becket 61 is provided with multiple 3rd ratchet slot 610, described 3rd ratchet slot 610 comprises bottom land 611, and extends to the 3rd curved surface 612 the 3rd swivel becket 61 inner peripheral surface from bottom land 611; The outer circumference surface of described second swivel becket 5 is protruding with the second extension arm 52 that the is multiple and engagement of the 3rd ratchet slot 610, leaves the deformation space bending towards the second swivel becket 5 for the second extension arm 52 between described second extension arm 52 and the second swivel becket 5.
Second swivel becket 5 of the present invention and the second extension arm 52 are integrated injection moldings, the space 54 of distortion is left between second extension arm 52 and the outer circumference surface of the second swivel becket 5, therefore under force, the second extension arm 52 can be pressed towards on the outer circumference surface of the second swivel becket 5.When coordinating, second swivel becket 5 is positioned at the 3rd swivel becket 61, described second extension arm 52 and the 3rd ratchet slot 610 mesh together, and when the 3rd swivel becket 61 rotates clockwise, the second extension arm 52 withstands the 3rd ratchet slot 610 and drives the second swivel becket 5 to rotate clockwise, when the 3rd swivel becket 61 rotates counterclockwise, a resistance (being greater than the deformation force of the second extension arm 52) is provided to the second swivel becket, second extension arm 52 leaves the 3rd ratchet slot 610, and make mutually to extrude between the 3rd curved surface 612 and the second extension arm 52, second extension arm 52 is pressed towards the outer circumference surface of the second swivel becket 5, finally make the second extension arm 52 depart from the 3rd ratchet slot 610 and slide on the inner peripheral surface of the 3rd swivel becket 61, until " falling into " next 3rd ratchet slot 610, and clash into the bottom land 610 of the 3rd ratchet slot, send " " a sound, achieve the function that overriding clutch unidirectional delivery is rotated.
Engagement between the present invention second extension arm 52 and the 3rd ratchet slot 610 can by the free end of the second extension arm 52, also can be following structure: with reference to Figure 16, be provided with for the ratchet 520 with the 3rd ratchet slot 610 engagement in the outside of described second extension arm 52, shape, the structure of this ratchet are identical with above-mentioned first ratchet 51, to comprise at the bottom of tooth top 523, tooth 524, and the curved surface 521 of the second extension arm 52 sidewall is extended to by tooth top 523, also comprise the brake surface 522 being extended at the bottom of tooth 524 by tooth top 523.
First swivel becket 4, second swivel becket 5, the 3rd swivel becket 61 can combine by overriding clutch of the present invention, structure is as follows: described second extension arm 52 is positioned at the below of the second swivel becket 5 outer circumference surface, first ratchet 51 is positioned at the top of the second swivel becket 5 outer circumference surface, when cooperation, first swivel becket 4 engages with the first ratchet 51 of the second swivel becket 5, and the 3rd swivel becket 61 engages with the second extension arm 52 of the second swivel becket 5.Rotate clockwise the first swivel becket 4, drive the second swivel becket 5 to rotate clockwise, now the 3rd swivel becket 61 is relative to not rotating; Rotate counterclockwise the first swivel becket 4, now the 3rd swivel becket 61 and the second swivel becket 5 are in the relation of synchronous axial system, therefore, even if under the resistance to deformation of extension arm 42, first swivel becket 4 also cannot drive the second swivel becket 5 to rotate counterclockwise, in the filling pipe cap that the overriding clutch of this kind of function can be applicable to be with lock core or other lids, for judging whether lid is tightened, that is, resistance suffered before making lid tighten is less than the first swivel becket 4, second and rotates the required power that to dally between the 5, the 3rd swivel becket 61.
Fixed form in the present invention between the first swivel becket 4 and lower cover 3 can adopt structure known in the art, preferably: on the end face of described first swivel becket 4, be provided with multiple fastening hole 43, in described lower cover 3, the end face of liner 10 is provided with the protruding block 104 fastened with this fastening hole 43.When assembling, be fastened in this fastening hole 43 by the first swivel becket 4 through lock core base 101, second swivel becket 5 is through lock core base 101 and be positioned at lower cover 6 first inwall is connected place formation step 621 with the second inwall.
Filling pipe cap of the present invention, the sidewall of lower cover 6 is also provided with seal ring 7, and bottom is provided with pressure regulating valve 8, and the outer wall of upper cover body 3 is also provided with suspender belt 9, and these all belong to existing technology, no longer illustrate at this.
The present invention is by preferred embodiment having carried out detailed explanation.But, by studying carefully above, to the change of each embodiment with to increase also be that one of ordinary skill in the art institute is apparent.Being intended that all these changes and increasing of applicant has all dropped in scope that the claims in the present invention protect.
Similar numbering refers to similar element in the whole text.For clarity, the situation of some line, layer, element, parts or feature being amplified may be had in the accompanying drawings.
Term used herein is only and is illustrated specific embodiment, and it is also not intended to limit the invention.Unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) are all identical with the understanding of one of ordinary skill in the art of the present invention.
Claims (9)
1. the filling pipe cap with lock core, is characterized in that, comprising:
Lower cover, and be positioned at lower cover and there is the lock core base of lock core groove, and be positioned at the lock core that lock core groove and lock core base relatively rotate connection, the below of described lock core base sidewall has at least through lock tongue slot to lock core groove, be sliding combined with dead bolt in described lock tongue slot, the top of described dead bolt is provided with auxiliary section; The bottom of described lock core is provided with eccentric pushing post, and the matching relationship of described eccentric pushing post and auxiliary section is as follows: in the rotation process of lock core, and described eccentric pushing post promotes auxiliary section, makes dead bolt pushed away from lock tongue slot; The draw-in groove that inwall is provided with when dead bolt is released and dead bolt is sealed of described lower cover, described draw-in groove and dead bolt are that ratchet coordinates;
The top of described lock core base is connected a upper cover body, also comprises the first swivel becket be fixedly mounted with upper cover body, and the 3rd swivel becket be fixed together with lower cover, and described first swivel becket is connected with the reverse overdrive clutch of the 3rd swivel becket;
The two ends of the through lock core base sidewall of described lock tongue slot, the direction that dead bolt stretches out is designated as the right side, direction, and the left side of described lock tongue slot is provided with the stoping block preventing dead bolt from skidding off; One sidewall of described lock tongue slot is provided with the first projection that cross section is wedge shape, comprises the first lozenges being positioned at right side and the second lozenges being positioned at left side; Described dead bolt comprises dead bolt body, the respective side walls of dead bolt body is provided with the elastic arm stretched out from right to left, the sidewall of described elastic arm and dead bolt body leaves the space for elastic arm distortion, the left end of described elastic arm is provided with in wedge structure second is protruding, comprises the 3rd lozenges being positioned at right side and the 4th lozenges being positioned at left side; Described first protruding as follows with the matching relationship of the second projection: what the second lozenges of described first projection and the 3rd lozenges of the second projection had an initial position contacts cooperation position; Stretch out in the process of lock tongue slot at described dead bolt body, described elastic arm has one and presses to deformation space and make described first lozenges contact the position coordinated with the 4th lozenges.
2. filling pipe cap according to claim 1, it is characterized in that: between described first swivel becket and the 3rd swivel becket, be also provided with the second swivel becket, described first swivel becket and the top of the second swivel becket are that reverse overdrive clutch is connected, and described 3rd swivel becket and the below of the second swivel becket are that forward overdrive clutch is connected.
3. filling pipe cap according to claim 2, is characterized in that: the outer circumference surface of described second swivel becket is provided with multiple first ratchet, and described first ratchet comprises at the bottom of tooth top, tooth and from tooth top and extends to the curved surface the second swivel becket outer circumference surface; The inner peripheral surface of described first swivel becket be protruding with multiple depart from its direction, center of circle for the extension arm with the first ratchet engagement, leave the deformation space bending towards the first swivel becket for extension arm between described extension arm and the first swivel becket.
4. filling pipe cap according to claim 3, is characterized in that: the position outer circumference surface of described second swivel becket closing on the first ratchet is also provided with the second ratchet, and described second ratchet comprises and extends to the second curved surface at the bottom of the tooth of the first ratchet from its tooth top; The relation of the second ratchet and extension arm is as follows: when free end and first ratchet engagement of extension arm, and the sidewall of extension arm is against on the second curved surface.
5. filling pipe cap according to claim 2, is characterized in that: the inner peripheral surface of described 3rd swivel becket is provided with multiple 3rd ratchet slot, and described 3rd ratchet slot comprises bottom land, and extends to the 3rd curved surface the 3rd swivel becket inner peripheral surface from bottom land; The outer circumference surface of described second swivel becket is protruding with the second extension arm that the is multiple and engagement of the 3rd ratchet slot, leaves the deformation space bending towards the second swivel becket for the second extension arm between described second extension arm and the second swivel becket.
6. filling pipe cap according to claim 1, it is characterized in that: another sidewall of dead bolt body is provided with the elastic arm stretched out from left to right, the sidewall of described elastic arm and dead bolt body leaves the space for elastic arm distortion, and the left end of described elastic arm is provided with the in wedge structure the 3rd projection coordinated with lock tongue slot sidewall contact all the time.
7. filling pipe cap according to claim 2, it is characterized in that: described 3rd swivel becket and lower cover are integrated injection mo(u)lding, 3rd swivel becket is positioned at the second inwall above lower cover, draw-in groove is positioned on the first inwall below lower cover, the internal diameter of described first inwall is less than the internal diameter of the second inwall, and forms a step in its junction.
8. filling pipe cap according to claim 7, is characterized in that: described second swivel becket through lock core base and be positioned at the first inwall is connected with the second inwall place formation step.
9. filling pipe cap according to claim 8, is characterized in that: the sidewall on described lower cover top is provided with a circle flange; Also be provided with a liner in described upper cover body, described lock core base and this liner are connected, and are circumferentially distributed with multiple projection for snap flange at the sidewall of described liner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310052161.0A CN103085654B (en) | 2013-02-18 | 2013-02-18 | Oil filling pipe cover with lock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310052161.0A CN103085654B (en) | 2013-02-18 | 2013-02-18 | Oil filling pipe cover with lock core |
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| CN103085654A CN103085654A (en) | 2013-05-08 |
| CN103085654B true CN103085654B (en) | 2015-05-27 |
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| CN201310052161.0A Active CN103085654B (en) | 2013-02-18 | 2013-02-18 | Oil filling pipe cover with lock core |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103318017B (en) * | 2013-07-08 | 2015-09-02 | 黄山顺昌汽车电器有限公司 | Antitheft spill-proof fuel tank cover |
| CN105150832A (en) * | 2015-10-22 | 2015-12-16 | 安徽江淮汽车股份有限公司 | Light truck and fuel tank cap assembly thereof |
| CN108801388A (en) * | 2018-05-31 | 2018-11-13 | 广船国际有限公司 | A kind of depth measurement skull and use its ship |
| CN110154740B (en) * | 2019-06-03 | 2024-01-16 | 戴胜汽车科技（苏州）有限公司 | Single-sound filler cap |
| CN110641275B (en) * | 2019-09-19 | 2022-08-12 | 超达汽车配件有限公司 | Fuel tank cover |
| CN112373936B (en) * | 2020-11-09 | 2022-09-06 | 一汽解放汽车有限公司 | Urea tank cover assembly and urea tank |
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| CN1421360A (en) * | 2001-11-26 | 2003-06-04 | 丰田合成株式会社 | Filling oil device for fuel oil box |
| JP2008030602A (en) * | 2006-07-28 | 2008-02-14 | Hitachi Constr Mach Co Ltd | Fuel tank cap for working machine |
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| JP2010196818A (en) * | 2009-02-25 | 2010-09-09 | Nidec Sankyo Corp | Ratchet |
| CN102164764A (en) * | 2008-09-25 | 2011-08-24 | 本田技研工业株式会社 | Lockable cap for fuel tank |
| CN202053884U (en) * | 2011-05-18 | 2011-11-30 | 浙江万超电器有限公司 | Oil tank cover |
| CN203157707U (en) * | 2013-02-18 | 2013-08-28 | 安徽江淮汽车股份有限公司 | Oil filling pipe cover with lock cylinder |
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| CN1421360A (en) * | 2001-11-26 | 2003-06-04 | 丰田合成株式会社 | Filling oil device for fuel oil box |
| JP2008030602A (en) * | 2006-07-28 | 2008-02-14 | Hitachi Constr Mach Co Ltd | Fuel tank cap for working machine |
| TWM340945U (en) * | 2008-04-29 | 2008-09-21 | Taiwan Kou Mu Ind Co Ltd | Fuel tank lid lock with burglarproof function |
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| CN103085654A (en) | 2013-05-08 |
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