CN103085654A - Oil filling pipe cover with lock core - Google Patents
Oil filling pipe cover with lock core Download PDFInfo
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- CN103085654A CN103085654A CN2013100521610A CN201310052161A CN103085654A CN 103085654 A CN103085654 A CN 103085654A CN 2013100521610 A CN2013100521610 A CN 2013100521610A CN 201310052161 A CN201310052161 A CN 201310052161A CN 103085654 A CN103085654 A CN 103085654A
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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 the environmental protection pay attention to day by day, and the customer is more and more higher to the quality requirements of automobile, and at first traditional vehicle fuel up is to open by controlling fuel tank cover plate, then opens filling pipe cap and implement filling.But this structure has certain hidden danger:
1, the people opens fuel tank cover plate at operator's compartment, and needs 3 meters left and right wire drawings to connect between operating handle and cover plate, takies the vehicle body space, increases cost;
2, lost efficacy when the wire drawing of controlling fuel tank cover plate, and can cause the cover plate open function to lose efficacy, and can bring inconvenience to oiling;
3, the fuel tank cover plate closing function lost efficacy, and will face fuel tank locking cap may arbitrarily be opened by other people, causes the 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 the cross section is octagon, be provided with the drive block that coordinates with lock core in endoporus, the cross section of drive block is octagon, wherein for contacting cooperation, when the drive block half-twist, there is the bar shaped gap in another group opposite side when coordinating with dead bolt with dead bolt for one group of opposite side.Its specific works process is: after dead bolt drives switch block and base and is screwed into the position, key is clockwise rotated 90 °, switch block namely is in the lock state.Extract key, antitheft idling structure just works.The boss of limiting stopper and base is everywhere in misalignment position at this moment.The dentalation of dead bolt still is in engagement with the dentalation of switch block, becomes the mated condition that is in the gap between drive block and dead bolt.Dead bolt because have the gap between drive block and dead bolt, so dead bolt can retreat and tooth idle running phenomenon occur jumping, just produces relative motion in the used time of doing that is subject to power like this between dead bolt and switch block when stressed.
The fuel tank lock of said structure, the complex structure that it is sealed, and trouble is installed.
Summary of the invention
The present invention provides a kind of filling pipe cap with lock core in order to solve problems of the prior art.
Technical scheme of the present invention is: a kind of filling pipe cap with lock core comprises:
Lower cover, and be positioned at lower cover and have the lock core base of lock core groove, and be positioned at lock core groove and be connected the lock core of connection with lock core base, the below of described lock core base sidewall has the lock tongue slot that connects at least to lock core groove, be sliding combined with dead bolt in described lock tongue slot, the top of described dead bolt is provided with the auxiliary section; The bottom of described lock core is provided with the 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, described eccentric pushing post promotes the auxiliary section, makes dead bolt pushed away from lock tongue slot; The draw-in groove that the inwall of described lower cover is provided with when dead bolt is released and dead bolt is sealed, described draw-in groove is that ratchet coordinates with dead bolt;
The top of the described lock core base upper cover body that is connected also comprises the first swivel becket that is fixedly mounted with upper cover body, and the 3rd swivel becket that is fixed together with lower cover, and described the first swivel becket is connected with the 3rd reverse overdrive clutch of swivel becket.
Preferably, also be provided with the second swivel becket between described the first swivel becket and the 3rd swivel becket, described the first swivel becket is that reverse overdrive clutch connects with being connected the top of swivel becket, and described the 3rd swivel becket is that the forward overdrive clutch connects with being connected the below of swivel becket.
Preferably, the outer circumference surface of described the second swivel becket is provided with a plurality of the first ratchets, extends to curved surface on the second swivel becket outer circumference surface at the bottom of described the first ratchet comprises tooth top, tooth and from tooth top; The inner peripheral surface of described the first swivel becket is protruding with a plurality of departing from being used for and the extension arm of the first ratchet engagement of its center of circle direction, leaves the deformation space that bends towards the first swivel becket for extension arm between described extension arm and the first swivel becket.
Preferably, the position of closing on the first ratchet on the outer circumference surface of described the second swivel becket also is provided with the second ratchet, and described the second ratchet comprises from its tooth top and extends to the second curved surface at the bottom of the tooth of the first ratchet; The relation of the second ratchet and extension arm is as follows: when the free end of extension arm and the first ratchet engagement, the sidewall of extension arm is against on the second curved surface.
Preferably, the inner peripheral surface of described the 3rd swivel becket is provided with a plurality of the 3rd ratchet slots, and described the 3rd ratchet slot comprises bottom land, and extends to the 3rd curved surface on the 3rd swivel becket inner peripheral surface from bottom land; The outer circumference surface of described the second swivel becket is protruding with the second extension arm a plurality of and engagement of the 3rd ratchet slot, leaves the deformation space that bends towards the second swivel becket for the second extension arm between described the second extension arm and the second swivel becket.
Preferably, described lock tongue slot connects the two ends of lock core base sidewall, and the direction that dead bolt stretches out is designated as the direction right side, and the left side of described lock tongue slot is provided with the stoping block that prevents that dead bolt from skidding off; One sidewall of described lock tongue slot is provided with the first projection that the cross section is wedge shape, comprises the first lozenges that is positioned at the right side and the second lozenges that is positioned at the left side; Described dead bolt comprises the dead bolt body, the respective side walls of dead bolt body is provided with the elastic arm that stretches out from right to left, the sidewall of described elastic arm and dead bolt body leaves the space for the elastic arm distortion, the left end of described elastic arm is provided with the second projection that is wedge structure, comprises the 3rd lozenges that is positioned at the right side and the 4th lozenges that is positioned at the left side; Described the first projection is as follows with the matching relationship of the second projection: the second lozenges of described the first projection and the 3rd lozenges of the second projection have the cooperation position that contacts of an initial position; In described dead bolt body stretched out the process of lock tongue slot, described elastic arm had one and presses to deformation space and make described the first lozenges contact the position that coordinates with the 4th lozenges.
Preferably, another sidewall of dead bolt body is provided with the elastic arm that stretches out from left to right, the sidewall of described elastic arm and dead bolt body leaves the space for the elastic arm distortion, and the left end of described elastic arm is provided with the 3rd projection that is wedge structure that coordinates with the lock tongue slot sidewall contact all the time.
Preferably, described the 3rd swivel becket and lower cover are integrated injection mo(u)lding, and the 3rd swivel becket is positioned at the second inwall of lower cover top, and draw-in groove is positioned on the first inwall of lower cover below, the internal diameter of described the first inwall is less than the internal diameter of the second inwall, and forms a step in its junction.
Preferably, described the second swivel becket passes lock core base and is positioned at the first inwall and the second formed step in inwall junction.
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 distributed with a plurality of projections for snap flange on the circumferencial direction of described internal memory sidewall.
Filling pipe cap of the present invention, it is simple in structure, makes when clockwise rotating upper cover body, and the first swivel becket and the 3rd swivel becket synchronously rotate, and lower cover can be tightened on fuel tank.When rotating counterclockwise upper cover body, the first swivel becket and the idle running of the 3rd swivel becket, want to turn on filling pipe cap, must use key, 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, realized separating of lower cover and fuel tank; Clockwise rotate upper cover body, the ratchet-like locking block of dead bolt and the ratchet-shaped draw-in groove of lower cover inwall repel mutually, and dead bolt is return in lock tongue slot; Simultaneously, the first swivel becket and the 3rd swivel becket synchronously rotate, and make upper cover body can drive lower cover and synchronously clockwise rotate.Namely, it is to realize by the ratchet-shaped draw-in groove of lock core, dead bolt, lower cover that conter clockwise between upper cover body and lower cover synchronously rotates (process of turning on filling pipe cap), and the cw between upper cover body and lower cover synchronously rotates (process of tightening filling pipe cap) by the first swivel becket, the 3rd swivel becket realization.The present invention has replaced cable control fuel tank locking cap panel assembly by lock core, has reduced integral vehicle cost and weight.
Description of drawings
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 shows 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 the second swivel becket of the present invention.
Figure 13 shows the structural representation of overriding clutch the 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 the place of overriding clutch A in Figure 15.
Figure 17 shows the assembling schematic diagram of dead bolt and lock tongue slot in the present invention.
The specific embodiment
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, the sealing of one end, 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 the lock tongue slot 103 that connects at least to lock core groove below lock core base 101 sidewalls, be sliding combined with dead bolt 2 in described lock tongue slot 103, the shape of this lock tongue slot 103 can be that the shape with dead bolt matches, and makes this dead bolt to slidably reciprocate in lock tongue slot 103.Be provided with auxiliary section 22 on the top of described dead bolt 2; In the time of assembling, described lock core 1 is arranged in lock core base 101, make its eccentric pushing post 1a and auxiliary section 22 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, realized the function of locking.Auxiliary section 22 of the present invention can be arranged on the groove on dead bolt 2 tops.One 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 rotating, the sidewall of extruding groove makes dead bolt 2 stretch out lock tongue slot 103; This auxiliary section can be also the contact surface of this dead bolt top projection, thus this eccentric pushing live in 1a and push this contact surface and make dead bolt 2 stretch out lock tongue slot 103, finally realized the lock function of this lock core.
The installation assembly of lock core of the present invention has adopted a kind of dead bolt that is not used in prior art to release mode, and the key of correspondence is inserted in lock core, and the twisting key makes the eccentric pushing post 1a of lock core 1 bottom that dead bolt 2 is released lock tongue slots 103.The shape of auxiliary section 22 is set, releases dead bolt in the time of can selecting to twist 45 ° and put in place, release dead bolt when perhaps twisting 90 ° and put in place.With reference to figure 2, Fig. 7, be provided with rotary spacing piece 1b on the outer wall of lock core 1, the inwall of lock core base is provided with position-limited trough 112, when coordinating, after lock core 1 is arranged in the lock core groove of lock core base, rotary spacing piece 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 be set up an orienting lug 102 in described lock tongue slot 103, 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 protruding block be set at the sidewall of dead bolt 2, and coordinates with the groove of lock tongue slot 103 sidewalls settings, no longer illustrates at this.
The preferred mode of the present invention is that described lock tongue slot 103 connects the two ends of lock core base 102 sidewalls, is a through hole.The direction that dead bolt 2 is stretched out is designated as the direction right side (right-hand), and its opposite sense is left, and at this moment, the left side that is preferably in described lock tongue slot 103 arranges a stoping block 109 and skids off from the left side of lock tongue slot 103 to prevent dead bolt.
Firmly install in lock tongue slot 103 in order 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 be done following improvement: with reference to figure 8, be provided with the first projection 111 that the cross section is wedge shape on a sidewall of described lock tongue slot 103, comprise the first lozenges 111b that is positioned at the right side and the second lozenges 111a that is positioned at the left side; Described dead bolt 2 comprises the dead bolt body, the respective side walls of dead bolt body is provided with the elastic arm 24 that stretches out from right to left, the sidewall of described elastic arm 24 and dead bolt body leaves the space 240 for elastic arm 24 distortion, and elastic arm 240 increases gradually from the gap of dead bolt body sidewall from right to left.The left end of described elastic arm 24 (free end) is provided with the second projection 25 that is wedge structure, comprises the 3rd lozenges 251 that is positioned at the right side and the 4th lozenges 250 that is positioned at the left side; The sidewall cooperation of described elastic arm 24 and lock tongue slot 103 makes the matching relationship of described first projection the 111 and second projection 24 as follows: when initial position, the second lozenges 111a of described the first projection 111 contacts cooperation with the 3rd lozenges 251 of the second projection 25; At this moment, if make dead bolt 2 stretch out lock tongue slot 103, the second lozenges 111a and the 3rd lozenges 251 pushes mutually, make elastic arm 24 distortion, the second lozenges 111a is separated with the 3rd lozenges 251; In described dead bolt body stretches out the process of lock tongue slot 103, described elastic arm 24 has one and presses to deformation space and make described the first lozenges 111b contact the position that coordinates with the 4th lozenges 250, at this moment, dead bolt 2 has stretched out lock tongue slot 103 to the desired location, lock tongue slot 103 is return in contacting of the first lozenges 111b and the 4th lozenges 250 when cooperation can prevent that dead bolt 2 is subject to slight power, make dead bolt 2 return lock tongue slot 103, need at least to provide one greater than the power of elastic arm distortion.
The present invention preferably, be provided with the elastic arm that stretches out from left to right 24 of same structure on another sidewall of dead bolt body, the sidewall of described elastic arm 24 and dead bolt body leaves the space for the elastic arm distortion, the left end of this elastic arm (free end) is provided with the 3rd projection that is wedge structure that coordinates with the lock tongue slot sidewall contact, the 3rd projection can be identical with the structure of the second projection, nothing be is 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.Because the both sides of dead bolt body are equipped with this elastic arm, therefore but can make these dead bolt 2 resilient engagement in lock tongue slot 103, can be convenient to stretching out and retracting of this dead bolt 2.
Dead bolt body of the present invention can be provided with on its top lightening grooves 26, to reduce the counterweight of dead bolt; Dead bolt body of the present invention can be whole as latch-up structure, preferably, is provided with the locking block 21 that is used for locking of protrusion at its right-hand member, and when this dead bolt stretched out, locking block 21 and thing to be locked sealed (engaging) were together.
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 the 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.At this moment, rotation lock core print seat 101 can drive lower cover 6 rotation, realizes separating with sealed of lower cover 6 and fuel tank.
the preferred mode of the present invention is, described draw-in groove 62 is the ratchet-shaped draw-in groove, be combined together with dead bolt 2 ratchets that stretch out, that is to say that the locking block 21 that the 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 clockwise rotating lock core 1, eccentric pushing post 1a releases dead bolt 2, the inwall of dead bolt and lower cover 6 is combined together, with reference to figure 6, rotate counterclockwise lock core base 101 and can drive lower cover 6 and rotate counterclockwise this moment, when clockwise rotating lock core base 101, due to the ratchet relation between both, the ratchet-shaped draw-in groove of lower cover 6 inwalls and the ratchet-like locking block 21 of dead bolt 2 repel mutually, make dead bolt 2 return in lock tongue slot 103, realized separating of dead bolt 2 and lower cover 6, thereby realized the unidirectional rotation function of overriding clutch.The interior ring of this overriding clutch comprises lock core base 101, and the lock core 1, the dead bolt 2 that are positioned at lock core base 101, and the outer shroud of this overriding clutch comprises lower cover 6, and the ratchet-shaped draw-in groove that arranges on lower cover 6 inwalls.
cooperation between lower cover 6 and lock core base 101 can be adopted 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 along the sidewall 107 of the circumferential lower convexity of this body 100, be distributed with a plurality of projections 105 for engaging lower cover 6 on the circumferencial direction of described sidewall 107, correspondingly, the sidewall on described lower cover 6 tops 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 the lower cover 6 can be 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.
At this moment, 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, dead bolt 2 with after lower cover 6 locking, rotate counterclockwise liner 10 and can realize rotating counterclockwise of lower cover 6, at this moment, liner 10 and lower cover 6 are synchronous rotation relation, realize separating of lower cover 6 and fuel tank; Clockwise rotate 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 inwalls, and dead bolt 2 is return in lock tongue slot 103, and this moment, liner 10 was in idling conditions.
Also be provided with a upper cover body 3 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 lower cover 6 to liner 10, the flange of liner external wall of upper portion setting is stuck on the projection 30 of upper cover body 3 sidewall circumferencial directions settings, can not relatively rotate in order to make 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 arranges on upper cover body 3.Preferably, for the ease of limiting stopper 110 is in the same place with groove fit exactly, be provided with guidepost 31 on the sidewall of described upper cover body 3, have accordingly the guide groove 106 that passes for guidepost 31 on the sidewall of described liner 10.
With reference to Figure 10, Figure 11, a kind of filling pipe cap with lock core of the present invention, the upper cover body 3, lower cover 4, lock core 1, the dead bolt 2 that comprise said structure, realized 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 describe the application of overriding clutch in filling pipe cap of the present invention, if can cw between interior ring and outer shroud synchronize rotate, conter clockwise idle running, defining this connection mode is that reverse overdrive clutch connects, and connects otherwise be defined as the forward overdrive clutch.
With reference to figure 10-Figure 11, filling pipe cap of the present invention, also comprise the first swivel becket 4 that is fixed together with upper cover body 3, and the 3rd swivel becket 61 that is fixed together with lower cover 6, described the 3rd swivel becket 61 and lower cover 6 can be integrated, and it can be the second inwall that is positioned at lower cover 6 tops, and the draw-in groove 62 of lower cover is positioned on the first inwall of its below, the internal diameter of described the 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 that is fixed on upper cover body 3 is connected with the 3rd reverse overdrive clutch of swivel becket 61 on being fixed on lower cover 6.
Above-mentioned structure makes when clockwise rotating upper cover body 3, and the first swivel becket 4 and the 3rd swivel becket 61 synchronously rotate, that is, make lower cover 6 clockwise rotate, and it can be tightened on fuel tank.When rotating counterclockwise upper cover body 3, the first swivel becket 4 and the 3rd swivel becket 61 idle running, want to turn on filling pipe cap, must use key, 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 inwalls, rotate counterclockwise upper cover body 3 and can realize rotating counterclockwise of lower cover 6, realized separating of lower cover 6 and fuel tank; Clockwise rotate 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 inwalls, and dead bolt 2 is return in lock tongue slot 103; Simultaneously, the first swivel becket 4 and the 3rd swivel becket 61 synchronously rotate, and make upper cover body 3 can drive lower cover 6 and synchronously clockwise rotate.Namely, it is to realize by the ratchet-shaped draw-in groove 62 of lock core, dead bolt, lower cover that conter clockwise between upper cover body 3 and lower cover 6 synchronously rotates (process of turning on filling pipe cap), and the cw between upper cover body 3 and lower cover 6 synchronously rotates (process of tightening filling pipe cap) by the first swivel becket 4, the 3rd swivel becket 61 realizations.
For the less operator of strength, it is difficult to judge whether with filling pipe cap and fuel tank locking, when upper cover body 3 and the lower cover 6 of said structure synchronously rotates (process of tightening filling pipe cap) at cw, when the less operator of strength twisted motionless upper cover body 3, sealed situation about putting in place can appear takeing for.Filling pipe cap of the present invention has also been set up a convenient operation person and has been judged the sealed device that whether puts in place, concrete improvement structure is as follows: also be provided with the second swivel becket 5 between described the first swivel becket 4 and the 3rd swivel becket 61, described the first swivel becket 4 is that reverse overdrive clutch connects with being connected the top of swivel becket 5, and described the 3rd swivel becket 61 is that the forward overdrive clutch connects with being connected the below of swivel becket 5.In view of above-mentioned structure, when rotating counterclockwise upper cover body 3, because described the first swivel becket 4 is that reverse overdrive clutch connects with being connected the top of swivel becket 5, therefore, no matter how the below of the second swivel becket 5 is connected with the 3rd swivel becket 61, the first swivel becket 4, the second swivel becket 5, the 3rd swivel becket 61 make lower cover 6 and upper cover body 3 be in idling conditions (not considering the structure of lock core, dead bolt this moment); When clockwise rotating upper cover body 3, because the below of the second swivel becket 5 connects for the forward overdrive clutch with the 3rd swivel becket 61, therefore the first swivel becket 4, the second swivel becket 5, the 3rd swivel becket 61 make lower cover 6 and upper cover body 3 also be in idling conditions.but no matter be the overriding clutch of structure how, it is all to overcome certain resistance when realizing idle running relatively, can judge whether filling pipe cap is tightened with this by existing technology or means, namely (tighten the process of filling pipe cap) when clockwise rotating upper cover body 3, in the process that lower cover 6 and fuel tank are tightened, its resistance that is subject to far can not allow the first swivel becket 4, the second swivel becket 5, realize idle running between the 3rd swivel becket 61, therefore lower cover 6 can be screwed in fuel tank, after locking puts in place, the first swivel becket 4 has been satisfied in rotary resistance between lower cover 6 and upper cover body 3, the second swivel becket 5, the requirement of idle running between the 3rd swivel becket 61, at this moment, idle running (being that upper cover body 3 is skidded) between upper cover body 3 and lower cover 6, at this moment, judge that lower cover 6 lockings put in place.
With reference to Figure 12, Figure 13, Figure 14, a kind of preferred overriding clutch of the present invention, structure is as follows: comprise the first swivel becket 4 and the second swivel becket 5, the second swivel becket 5 is positioned at the first swivel becket 4 as inner ring, and coaxial with the first swivel becket 4, the outer circumference surface of described the second swivel becket 5 is provided with a plurality of the first ratchets 51, and described the first ratchet 51 comprises at the bottom of tooth top 511, tooth 512 and extend to curved surface 510 on the second swivel becket outer circumference surface from tooth top 511; The inner peripheral surface of described the first swivel becket 4 is protruding with a plurality of departing from being used for and the extension arm 42 of the first ratchet 51 engagements of its center of circle direction, leaves the deformation space 41 that bends towards the first swivel becket 4 for extension arm 42 between described extension arm 42 and the first swivel becket 4.
The 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, leave deformation space 41 between the inner peripheral surface of its body and the first swivel becket 4, therefore, under the effect of power, extension arm 42 can be pressed towards on the inner peripheral surface of the first swivel becket 4.when coordinating, for example can be fixed on by the mating holes 43 that arranges on the first swivel becket 4 end faces on lid, the 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 clockwise rotated, the free end of extension arm withstood on the first ratchet 51 512 brake surfaces to tooth top 511 at the bottom of tooth, and drove the second swivel becket and clockwise rotate, when the first swivel becket 4 rotates counterclockwise, a resistance (greater than the deformation force of extension arm 41) is provided for 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, extruding mutually 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 get back to initial position under the restoring force of himself, and clash into the outer circumference surface of the second swivel becket 5, send " " a sound, realized the function that the overriding clutch unidirectional delivery is rotated.
The second swivel becket of the present invention can also be done following improvement: the position of closing on the first ratchet 51 on the outer circumference surface of described the second swivel becket 5 also is provided with the second ratchet 53, its structure is identical with the first ratchet 51, comprises extending at the bottom of the first ratchet tooth the second curved surface 530 of 512 from its tooth top; Therefore when the free end 420 of extension arm 42 and the first ratchet 51 engagement, the sidewall of extension arm 42 is against on the second curved surface 530.When the first swivel becket 4 rotates counterclockwise, slide with the free end 420 of the first ratchet 51 engagement the second curved surface 530 along the second ratchet 53, and deform, after the tooth top that slips over the second ratchet 53, extension arm 42 recovers to be out of shape and to clash into the outer circumference surface of the second swivel becket 5, send " " a sound, if clockwise rotate the first swivel becket 4 this moment, 41 of extension arms and the second ratchet 53 mesh together and drive the 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 of the first ratchet 51 engagement.
Overriding clutch of the present invention can also be done following improvement: described extension arm 42 is distributed on the inner peripheral surface of described the first swivel becket 4 equidistantly, and the quantity of described extension arm 42 is the twice at least of the first ratchet 51.For example described the second swivel becket is provided with three the first ratchets 51, and the quantity of extension arm 42 is six.In the time of three (one group) extension arms 42 and three the first ratchet 51 engagements, remaining three extension arms 42 are in vacant state, when rotating, two groups of extension arm successively with the first ratchet 51 engagements, after extension arm 41 fracture damage wherein, still can adopt other extension arm 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 and the second coaxial swivel becket 5 of the 3rd swivel becket 61, the inner peripheral surface of described the 3rd swivel becket 61 is provided with a plurality of the 3rd ratchet slots 610, described the 3rd ratchet slot 610 comprises bottom land 611, and extends to the 3rd curved surface 612 on the 3rd swivel becket 61 inner peripheral surfaces from bottom land 611; The outer circumference surface of described the second swivel becket 5 is protruding with the second extension arms 52 a plurality of and the 3rd ratchet slot 610 engagements, leaves the deformation space that bends towards the second swivel becket 5 for the second extension arm 52 between described the second extension arm 52 and the second swivel becket 5.
The second swivel becket 5 of the present invention and the second extension arm 52 are integrated injection moldings, leave the space 54 of distortion between the outer circumference surface of the second extension arm 52 and the second swivel becket 5, therefore under the effect of power, the second extension arm 52 can be pressed towards on the outer circumference surface of the second swivel becket 5.when coordinating, the second swivel becket 5 is positioned at the 3rd swivel becket 61, described the second extension arm 52 and the 3rd ratchet slot 610 mesh together, and when the 3rd swivel becket 61 clockwise rotated, the second extension arm 52 withstood the 3rd ratchet slot 610 and drives the second swivel becket 5 and clockwise rotates, when the 3rd swivel becket 61 rotates counterclockwise, a resistance (greater than the deformation force of the second extension arm 52) is provided for the second swivel becket, the second extension arm 52 leaves the 3rd ratchet slot 610, and make between the 3rd curved surface 612 and the second extension arm 52 extruding mutually, the second extension arm 52 is pressed towards the outer circumference surface of the second swivel becket 5, finally make the second extension arm 52 break away from the 3rd ratchet slot 610 and slide on the inner peripheral surface of the 3rd swivel becket 61, until " falling into " next the 3rd ratchet slot 610, and clash into the bottom land 610 of the 3rd ratchet slot, send " " a sound, realized the function that the overriding clutch unidirectional delivery is rotated.
Engagement between the present invention's the second extension arm 52 and the 3rd ratchet slot 610 can be by the free end of the second extension arm 52, can be also following structure: with reference to Figure 16, be provided with in the outside of described the second extension arm 52 for the ratchet 520 of the 3rd ratchet slot 610 engagement, the shape of this ratchet, structure are identical with above-mentioned the first ratchet 51, comprise at the bottom of tooth top 523, tooth 524, and the curved surface 521 that is extended to the second extension arm 52 sidewalls by tooth top 523, also comprise being extended at the bottom of tooth 524 brake surface 522 by tooth top 523.
Overriding clutch of the present invention can combine the first swivel becket 4, the second swivel becket 5, the 3rd swivel becket 61, structure is as follows: described the second extension arm 52 is positioned at the below of the second swivel becket 5 outer circumference surfaces, the first ratchet 51 is positioned at the top of the second swivel becket 5 outer circumference surfaces, when coordinating, the first ratchet 51 engagements of the first swivel becket 4 and the second swivel becket 5, the second extension arm 52 engagements of the 3rd swivel becket 61 and the second swivel becket 5.Clockwise rotate the first swivel becket 4, drive the second swivel becket 5 and clockwise rotate, this moment, the 3rd swivel becket 61 was relative to not rotating; Rotate counterclockwise the first swivel becket 4, this moment, the 3rd swivel becket 61 and the second swivel becket 5 were in the relation of synchronous rotation, therefore, even under the resistance to deformation of extension arm 42, the first swivel becket 4 also can't drive the second swivel becket 5 and rotate counterclockwise, the overriding clutch of this kind function can be applicable to in the filling pipe cap of lock core or other lids, be used for judging whether lid is tightened, that is, make lid tighten front suffered resistance and rotate the required power of idle running between the 5, the 3rd swivel becket 61 less than the first swivel becket 4, second.
Fixed form in the present invention between the first swivel becket 4 and lower cover 3 can adopt structure known in the art, preferably: be provided with a plurality of fastening holes 43 on the end face of described the first swivel becket 4, in described lower cover 3, the end face of liner 10 is provided with the protruding block 104 that fastens with this fastening hole 43.In the time of assembling, the first swivel becket 4 is passed lock core base 101 and be fastened in this fastening hole 43, the second swivel becket 5 passes lock core base 101 and is positioned at lower cover 6 first inwalls and the second formed step 621 in inwall junction.
Filling pipe cap of the present invention also is provided with seal ring 7 on the sidewall of lower cover 6, the bottom is provided with pressure regulating valve 8, and the outer wall of upper cover body 3 also is 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.Yet, by to the studying carefully of preamble, to the variation of each embodiment with to increase be also that one of ordinary skill in the art institute is apparent.Being intended that all these variations and increasing of applicant all dropped in the scope that claim of the present invention protects.
Similar numbering refers to similar element in the whole text.For the purpose of clear, the situation that some line, layer, element, parts or feature are amplified may be arranged in the accompanying drawings.
Term used herein is only for to be illustrated specific embodiment, and it is not to be intended to limit the invention.Unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) are all identical with one of ordinary skill in the art's of the present invention understanding.
Claims (10)
1. the filling pipe cap with lock core, is characterized in that, comprising:
Lower cover, and be positioned at lower cover and have the lock core base of lock core groove, and be positioned at lock core groove and be connected the lock core of connection with lock core base, the below of described lock core base sidewall has the lock tongue slot that connects at least to lock core groove, be sliding combined with dead bolt in described lock tongue slot, the top of described dead bolt is provided with the auxiliary section; The bottom of described lock core is provided with the 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, described eccentric pushing post promotes the auxiliary section, makes dead bolt pushed away from lock tongue slot; The draw-in groove that the inwall of described lower cover is provided with when dead bolt is released and dead bolt is sealed, described draw-in groove is that ratchet coordinates with dead bolt;
The top of the described lock core base upper cover body that is connected also comprises the first swivel becket that is fixedly mounted with upper cover body, and the 3rd swivel becket that is fixed together with lower cover, and described the first swivel becket is connected with the 3rd reverse overdrive clutch of swivel becket.
2. filling pipe cap according to claim 1, it is characterized in that: also be provided with the second swivel becket between described the first swivel becket and the 3rd swivel becket, described the first swivel becket is that reverse overdrive clutch connects with being connected the top of swivel becket, and described the 3rd swivel becket is that the forward overdrive clutch connects with being connected the below of swivel becket.
3. filling pipe cap according to claim 2, it is characterized in that: the outer circumference surface of described the second swivel becket is provided with a plurality of the first ratchets, extends to curved surface on the second swivel becket outer circumference surface at the bottom of described the first ratchet comprises tooth top, tooth and from tooth top; The inner peripheral surface of described the first swivel becket is protruding with a plurality of departing from being used for and the extension arm of the first ratchet engagement of its center of circle direction, leaves the deformation space that bends 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, it is characterized in that: the position of closing on the first ratchet on the outer circumference surface of described the second swivel becket also is provided with the second ratchet, and described the second ratchet comprises from its tooth top and extends to the second curved surface at the bottom of the tooth of the first ratchet; The relation of the second ratchet and extension arm is as follows: when the free end of extension arm and the first ratchet engagement, the sidewall of extension arm is against on the second curved surface.
5. filling pipe cap according to claim 2, it is characterized in that: the inner peripheral surface of described the 3rd swivel becket is provided with a plurality of the 3rd ratchet slots, and described the 3rd ratchet slot comprises bottom land, and extends to the 3rd curved surface on the 3rd swivel becket inner peripheral surface from bottom land; The outer circumference surface of described the second swivel becket is protruding with the second extension arm a plurality of and engagement of the 3rd ratchet slot, leaves the deformation space that bends towards the second swivel becket for the second extension arm between described the second extension arm and the second swivel becket.
6. filling pipe cap according to claim 1 is characterized in that: described lock tongue slot connects the two ends of lock core base sidewall, and the direction that dead bolt stretches out is designated as the direction right side, and the left side of described lock tongue slot is provided with the stoping block that prevents that dead bolt from skidding off; One sidewall of described lock tongue slot is provided with the first projection that the cross section is wedge shape, comprises the first lozenges that is positioned at the right side and the second lozenges that is positioned at the left side; Described dead bolt comprises the dead bolt body, the respective side walls of dead bolt body is provided with the elastic arm that stretches out from right to left, the sidewall of described elastic arm and dead bolt body leaves the space for the elastic arm distortion, the left end of described elastic arm is provided with the second projection that is wedge structure, comprises the 3rd lozenges that is positioned at the right side and the 4th lozenges that is positioned at the left side; Described the first projection is as follows with the matching relationship of the second projection: the second lozenges of described the first projection and the 3rd lozenges of the second projection have the cooperation position that contacts of an initial position; In described dead bolt body stretched out the process of lock tongue slot, described elastic arm had one and presses to deformation space and make described the first lozenges contact the position that coordinates with the 4th lozenges.
7. filling pipe cap according to claim 6, it is characterized in that: another sidewall of dead bolt body is provided with the elastic arm that stretches out from left to right, the sidewall of described elastic arm and dead bolt body leaves the space for the elastic arm distortion, and the left end of described elastic arm is provided with the 3rd projection that is wedge structure that coordinates with the lock tongue slot sidewall contact all the time.
8. filling pipe cap according to claim 2, it is characterized in that: described the 3rd swivel becket and lower cover are integrated injection mo(u)lding, the 3rd swivel becket is positioned at the second inwall of lower cover top, draw-in groove is positioned on the first inwall of lower cover below, the internal diameter of described the first inwall is less than the internal diameter of the second inwall, and forms a step in its junction.
9. filling pipe cap according to claim 8, it is characterized in that: described the second swivel becket passes lock core base and is positioned at the first inwall and the second formed step in inwall junction.
10. filling pipe cap according to claim 9 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 distributed with a plurality of projections for snap flange on the circumferencial direction of described internal memory sidewall.
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 true CN103085654A (en) | 2013-05-08 |
| CN103085654B CN103085654B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (6)
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| CN103318017A (en) * | 2013-07-08 | 2013-09-25 | 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 |
| CN110154740A (en) * | 2019-06-03 | 2019-08-23 | 戴胜汽车科技（苏州）有限公司 | A kind of single sound filler cap |
| CN110641275A (en) * | 2019-09-19 | 2020-01-03 | 严加文 | Fuel tank cover |
| CN112373936A (en) * | 2020-11-09 | 2021-02-19 | 一汽解放汽车有限公司 | Urea tank cover assembly and urea tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103318017A (en) * | 2013-07-08 | 2013-09-25 | 黄山顺昌汽车电器有限公司 | Antitheft spill-proof fuel tank cover |
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| CN110641275A (en) * | 2019-09-19 | 2020-01-03 | 严加文 | Fuel tank cover |
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| CN112373936A (en) * | 2020-11-09 | 2021-02-19 | 一汽解放汽车有限公司 | Urea tank cover assembly and urea tank |
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|---|---|
| CN103085654B (en) | 2015-05-27 |
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Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230022 No. 176 Dongliu Road, Hefei City, Anhui Province Patentee before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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