CN208324968U - A kind of ISOFIX connector that improved child safety seat uses - Google Patents

Abstract

The ISOFIX connector that a kind of improved child safety seat disclosed by the utility model uses, including shell, ISOFIX connection component and button assembly, ISOFIX connection component includes ISOFIX connection component ontology, ratchet, lock banking stop, pawl tension spring, lower locking plate, lower locking plate reset spring, button spindle, upper locking plate, upper locking plate reset spring.The utility model is unlocked upper locking plate by button assembly, is unlocked by lock banking stop to lower locking plate.The utility model by ratchet, lock banking stop, upper locking plate, pawl tension spring, lower locking plate, lower locking plate reset spring, upper locking plate, upper locking plate reset spring realize electrodeless adjustment, prevent retreat and and latch functions, have the advantages that structure is simple, easy to maintenance.

Description

A kind of ISOFIX connector that improved child safety seat uses

Technical field

The utility model relates to child safety seat technical field, in particular to the ISOFIX that uses of child safety seat Connector.

Background technique

ISOFIX (International Standards Organization FIX) is that a kind of child safety seat is solid Determine system, it includes two rigidity ISOFIX interfaces on vehicle and two adaptable ISOFIX on child safety seat Connector.The child safety seat for being equipped with ISOFIX connector can be fixed to the ISOFIX interface on automotive seat easily In, so that the installation of child safety seat is become quick and simple, when children's ride-on is safer.In operation, by child safety seat On ISOFIX connector stretch out after connect with the ISOFIX interface on automotive seat, then ISOFIX connector retraction children pacify Child safety seat is close to motor vehicle seat back in full seat.In the prior art, the ISOFIX of child safety seat connects Connecing after device stretches out certain length can not temporarily cease, it is easy to ISOFIX connector be caused not connect locking with ISOFIX interface In the case where just retraction children's seat in, there are security risks.

Chinese patent Authorization Notice No. CN203698015U discloses a kind of child safety seat ISOFIX system and stretches thus Pause mechanism out comprising the pedestal that shell is mounted on automotive seat, the base support being fixed on the base are mounted on pedestal branch ISOFIX component on frame, ISOFIX component include the cunning that can be arranged in slidingly back and forth along length direction on base support Dynamic pipe, the ISOFIX connector being mounted on sliding tube, stretching out pause mechanism further includes the fixation being fixed on base support Axis, is connect with ISOFIX connector the pause member for being rotatably arranged in sliding tube and being separatably clamped with fixing axle ISOFIX unlocking link, connect with ISOFIX unlocking link and can opposite sliding sliding key seat, slide and be installed on key seat The sliding pin that pause member enables pause member Yu fixing axle snap lock is kept out, sliding pin opposite can be slidably connected and unlock in ISOFIX The waist hole of connecting rod.

The Chinese utility model patent application of application publication number CN104890541A (application No. is 201510343682.0) " automobile children safety chair ISOFIX connector ", disclosed in ISOFIX connector include bracket, latch hook, connecting rod and drawing Spring, the front end of bracket have the opening of ISOFIX interface on connection automobile, and latch hook is assemblied on bracket by rivet, and connecting rod is packed into The junction insertion lock pin of the rear end of bracket, connecting rod and bracket is fixed, the tension spring buckle on one end and latch hook on tension spring It connects, the tension spring hook connects on the other end and connecting rod of tension spring.The ISOFIX connector of above structure mainly passes through connecting rod Movement comes locking and release with moveable lock hook, and the rear portion of bracket is arranged in connecting rod, and needing to pull back can just make latch hook occur to turn It is dynamic, it operates more troublesome, meanwhile, connecting rod is pulled back, then the rear end of connecting rod is bound to bracket outer to be stretched out, therefore meeting Biggish space is occupied, so that the volume of the ISOFIX connector is larger, in addition the tension spring in this ISOFIX connector should band Turn piece rotation again drive pull rod reset, if tension spring fail, entire connector just can not normal use, stability in use is not It is good.

Chinese patent Authorization Notice No. CN20513990U discloses a kind of ISOFIX of child's safety seat for vehicle thus Connector, including connector base, rotor and rotor lock relieving mechanism, is provided on connector base and installs on automobile The opening sliding slot that axis on ISOFIX interface matches is provided on rotor for locking the axis in the ISOFIX structure Card slot, feature are that rotor retaining mechanism includes release block and latch segment, and connector base is arranged in can slide back and forth in release block Interior, latch segment setting setting locking slot and loosens face on release block and through release block control movement, on rotor, when locking, Latch segment is arranged in lock slots, and when release, latch segment, which is detached and is against out of lock slots, to be loosened on face, and the side of block is discharged Portion is provided with operation groove, and the side of connector base is provided with operation aperture corresponding with operation groove, discharges and set on block It is equipped with resetting-mechanism.

In addition Chinese patent Authorization Notice No. CN206141379U discloses a kind of adjustable ISOFIX dress of safety seat Set, including shell, be arranged core bar component inside the shell, be connected to core bar component rear end FIX connector and with core bar component The adjusting component being connected.Guide groove is offered on the lateral surface of shell along the longitudinal direction, along front and back on the upper surface of shell To offering multiple limit holes.Core bar component includes the locating part being able to rotate, and the top of locating part can be matched with one to be protruded into Limiting section adjusts and connects a connecting rod on component, and connecting rod is threaded through in guide groove and is rotated such that the limit of locating part with locating part Protrude into and deviate from limit hole in position.

The function that above-mentioned patent is realized is relatively simple, such as CN203698015U can only realize pause function, CN20513990U can only realize preferable unlock and release function, and CN206141379U can only realize that front and back gear is adjusted, and three Person not can be implemented simultaneously electrodeless adjustment, prevent retrogressing and and latch functions.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of ISOFIX that improved child safety seat uses Connector, the ISOFIX connector can be realized simultaneously electrodeless adjustment, prevent retrogressing and and latch functions.

Technical problem to be solved in the utility model can be achieved through the following technical solutions

A kind of ISOFIX connector that improved child safety seat uses, comprising:

One in a strip shape and cross section is the shell of rectangle, and the shell has opposite first end and second end, described outer The first end of shell is opening-like, the shell have the first shell wall, the second shell wall, third shell wall and the 4th shell wall, described first Shell wall and the second shell wall, third shell wall are adjacent, and the 4th shell wall is opposite with the first shell wall and also adjacent with the second shell wall, third shell wall It connects；The guide groove along outer cover length direction stretching, extension is provided on the first shell wall of the shell, the of the shell Several limit holes are arranged at intervals with along the outer cover length direction on two shell walls, along described on the third shell wall of the shell Outer cover length direction is arranged at intervals with several retaining holes；

One matching is set in the ISOFIX connection component that can be slided in the shell and relative to the shell, described ISOFIX connection component includes:

One matching is set in the ISOFIX connection component ontology that can be slided in the shell and relative to the shell；

Axis is located at the ratchet on the ISOFIX connection component body first end, in use, the ratchet and automobile Jointing on seat is connected, to realize connection of the child safety seat on automotive seat；

The first end of lock banking stop of one sliding configuration on the ISOFIX connection component ontology, the lock banking stop drives institute It states ratchet and enters lockup state；

One pawl tension spring, one end of the pawl tension spring are connect with the ratchet, the other end of the pawl tension spring with The lock banking stop connection, the lock banking stop drive the ratchet to unlock by the pawl tension spring；

One axis is located at the lower locking plate on the ISOFIX connection component ontology middle position, has on the lower locking plate Lower pawl, in the case where the first end of the lock banking stop drives the ratchet to enter lockup state, the lower locking plate is in the lock Under limited step driving, the lower pawl exits the retaining hole on the third shell wall of the shell；

Locking plate reset spring once, described lower locking plate reset spring one end act on the ISOFIX connection component On ontology, the lower locking plate reset spring other end is acted on the lower locking plate, in the unlocked state, the lower locking Piece forces the third shell of the prominent shell of the lower pawl on the lower locking plate under the lower locking plate action of reset spring Retaining hole on wall so that the ISOFIX connection component can only the jointing direction on automotive seat move, and cannot It is moved to the jointing direction on automotive seat；

One is mounted on the button spindle in the lock banking stop second end, and the button spindle passes through on the first shell wall of the shell Guide groove and expose the guide groove, the button spindle drives the lock banking stop movement；

One axis is located at the upper locking plate in the ISOFIX connection component ontology second end, and the upper locking plate has on one Pawl；In the unlocked state, the upper locking plate is driven by the button spindle and is moved, so that the upper spine on the upper locking plate Pawl exits the limit hole on the second shell wall of the shell, so that connection of the ISOFIX connection component on automotive seat The movement of connector direction；

One end of locking plate reset spring on one, the upper locking plate reset spring acts on the ISOFIX connection group On part ontology, the upper locking plate reset spring other end is acted on the upper locking plate, in a latched condition, the locking Stator forces the second of the prominent shell of the upper pawl on the upper locking plate under the upper locking plate action of reset spring A limit hole on shell wall, prevent the ISOFIX connection component is moved from the jointing direction on automotive seat, only It can be moved to the jointing direction on automotive seat；

One button assembly, the button assembly are arranged in outside the first shell wall of the shell and can be along the first of the shell Shell wall outer surface is slided, and the button in the button assembly can be moved to after the button is unlocked and the button spindle drives Connection, at this point, the mobile button assembly can be driven the button spindle and drive the lock banking stop to move by the button spindle It is dynamic.

In a preferred embodiment of the utility model, a latch hook, the latch hook and vapour are provided in the ratchet Jointing in vehicle seats is connected, to realize connection of the child safety seat on automotive seat；In the ratchet On be additionally provided with one first locking embedded structure, the first end of the lock banking stop is provided with the second locking embedded structure, works as institute When stating the first end of lock banking stop the ratchet being driven to enter lockup state, the first locking embedded structure and second lock Only embedded structure is mutually chimeric.

In a preferred embodiment of the utility model, it is equipped in the first end axis of the ISOFIX connection component ontology An at least roller, the first end of the lock banking stop are contacted with the rollers roll.

In a preferred embodiment of the utility model, it is prominent to lock banking stop direction that one is provided on the lower locking plate Lug out is provided with a pulling ear in the middle position of the lock banking stop, drives the pawl in the first end of the lock banking stop Piece enters under lockup state, and the pulling ear on the lock banking stop drives the lower locking plate movement by the lug, make it is described under Lower pawl on locking plate exits the retaining hole on the third shell wall of the shell.

In a preferred embodiment of the utility model, the lower pawl on the lower locking plate has under opposite first Pawl face and the second lower pawl face, wherein the described first lower first extreme direction of the pawl face towards the lock banking stop, described second Second extreme direction of the lower pawl face towards the lock banking stop, the described first lower pawl face are inclined-plane, and the described second lower pawl face is It faces directly.

In a preferred embodiment of the utility model, the upper locking plate also has one to be made by actuating arm and a spring With arm, the upper pawl described forms triangle relation by actuating arm and the spring actuation arm；It is described by actuating arm have one with Button spindle contact by driving inclined-plane, it is described to be contacted by driving inclined-plane with the button spindle；The lower locking plate resets bullet The spring other end acts on the end of the spring actuation arm.

In a preferred embodiment of the utility model, the upper pawl has pawl face and second on opposite first Upper pawl face, wherein first extreme direction of the pawl face towards the lock banking stop on described first, on described second pawl face towards Second extreme direction of the lock banking stop, pawl face is to face directly on described first, and pawl face is inclined-plane on described second.

In a preferred embodiment of the utility model, close to described second on the ISOFIX connection component ontology The position in upper pawl face is equipped with a roll shaft, and pawl face is in rolling contact on the outer peripheral surface of the roll shaft and described second, passes through two The cooperation of person, to limit the rotation angle of the upper locking plate.

In a preferred embodiment of the utility model, the first kidney slot, the second waist are offered on the lock banking stop Shape hole and third kidney slot are equipped with the first guide pin, the second guide pin and in the ISOFIX connection component ontology Three guide pins, first guide pin pass through first kidney slot, and second guide pin passes through second waist Shape hole, the third guide pin pass through the third kidney slot, and first guide pin acts also as the lower locking plate Shaft, the lower locking bobbin are located in first guide pin, and the third guide pin acts also as the upper locking plate Shaft, the upper locking plate axis is located in the third guide pin.

In a preferred embodiment of the utility model, the button assembly further includes being fixed on the ISOFIX to connect The secondary lock button and be arranged in institute that button cover and use articulated manner on connected components ontology are mounted in the button cover State the secondary lock reseting pressuring spring between button cover and the secondary lock button；One is provided in the button cover to accommodate simultaneously For the mobile button installation cavity of the button, the button is mounted in the button installation cavity, in the secondary lock button solution After lock, the button is moved to be drivingly connected with the button spindle.

In a preferred embodiment of the utility model, the ISOFIX connection component ontology includes outside an ISOFIX Lid, the ISOFIX outer cover have opposite first end and second end, wherein the first end of the ISOFIX outer cover and described outer The first end of shell is with holding, and the second end of the ISOFIX outer cover and the second end of the shell are the same as end；The ISOFIX outer cover First end is in fish mouth shape compatible with the latch hook in the ratchet；The ISOFIX outer cover has the first tegmental wall, second Tegmental wall, third tegmental wall, the 4th tegmental wall, the outer surface of the first tegmental wall of the ISOFIX outer cover and the first shell wall on the shell Inner surface sliding contact, the interior table of the second shell wall on the outer surface of the second tegmental wall of the ISOFIX outer cover and the shell Face sliding contact, the outer surface of the third tegmental wall of the ISOFIX outer cover and the inner surface of the third shell wall on the shell slide Contact, the outer surface of the 4th tegmental wall of the ISOFIX outer cover and the inner surface sliding contact of the 4th shell wall on the shell； A long waist shaped hole is provided on the first tegmental wall of the ISOFIX outer cover, the button spindle passes through the long waist shaped hole；Institute It states and is arranged at intervals with several and the shell along the ISOFIX outer cover length direction on the second tegmental wall of ISOFIX outer cover The compatible upper pawl of several limit holes on second shell wall appears hole, and the upper pawl appears the upper pawl and appears hole；? Several and the shell are arranged at intervals with along the ISOFIX outer cover length direction on the third tegmental wall of the ISOFIX outer cover Third shell wall on the compatible lower pawl in several retaining holes appear hole, the lower pawl appears the lower pawl and appears Hole；The ratchet, lock banking stop, upper locking plate, pawl tension spring, lower locking plate, lower locking plate reset spring, upper locking plate, on Locking plate reset spring is installed in the ISOFIX outer cover.

In a preferred embodiment of the utility model, the ISOFIX that the improved child safety seat uses connects Connecing device further includes limit sleeve after front limit set and one, and the front limit set is mounted in the first end of the shell, after described Limit sleeve is mounted in the second end of the ISOFIX outer cover, table in the first shell wall of the rear limit sleeve surrounding and the shell Face, the second shell wall inner surface, third shell wall inner surface, the 4th shell wall inner surface sliding contact, pass through matching for forward and backward limit sleeve It closes, prevents the ISOFIX connection component from skidding off the shell.

In a preferred embodiment of the utility model, the ISOFIX outer cover is by left ISOFIX Wai Bangai and the right side Half lid is composed outside ISOFIX.

Due to using technical solution as above, the utility model is drawn by ratchet, lock banking stop, upper locking plate, pawl Spring, lower locking plate, lower locking plate reset spring, upper locking plate, upper locking plate reset spring realize electrodeless adjustment, prevent from retreating With and latch functions, have the advantages that structure is simple, easy to maintenance.

Detailed description of the invention

Fig. 1 is the perspective view of the explosion for the ISOFIX connector that the improved child safety seat of the utility model uses.

Fig. 2 is the ISOFIX connection group in the ISOFIX connector that the improved child safety seat of the utility model uses Part appearance diagram.

Fig. 3 is the ISOFIX connection group in the ISOFIX connector that the improved child safety seat of the utility model uses Part schematic diagram of internal structure.

Fig. 4 is the ISOFIX connection group in the ISOFIX connector that the improved child safety seat of the utility model uses Part is in the structural schematic diagram under complete unlocked state.

Fig. 5 is the ISOFIX connection group in the ISOFIX connector that the improved child safety seat of the utility model uses Part is in the structural schematic diagram of ISOFIX lock state.

Fig. 6 is the ISOFIX connection group in the ISOFIX connector that the improved child safety seat of the utility model uses Part is in the structural schematic diagram of unlock.

Fig. 7 is the ISOFIX connection group in the ISOFIX connector that the improved child safety seat of the utility model uses Part is in contraction state schematic diagram.

Fig. 8 is the ISOFIX connection group in the ISOFIX connector that the improved child safety seat of the utility model uses Part, which is in, stretches out status diagram.

It is secondary in the button assembly in ISOFIX connector that the improved child safety seat of Fig. 9 the utility model uses Lock button schematic diagram in the unlocked state.

Figure 10 is in the button assembly in the ISOFIX connector that the improved child safety seat of the utility model uses Button is in pressing state schematic diagram.

Specific embodiment

Referring to Fig. 1 to Fig. 3, the ISOFIX connector that a kind of improved child safety seat provided in figure uses, including One shell 1, an ISOFIX connection component and a button assembly.

Shell 1 is in a strip shape and cross section is rectangle, and shell 1 has opposite first end 1a and second end 1b, shell 1 First end 1a is opening-like, is equipped with front limit set 13 in the first end 1a of shell 1.

Shell 1 has the first shell wall 1c, the second shell wall 1d, third shell wall 1e and the 4th shell wall 1f, the first shell wall 1c and the Two shell wall 1d, third shell wall 1e are adjacent, the 4th shell wall 1f it is opposite with the first shell wall 1c and also with the second shell wall 1d, third shell wall 1e It is adjacent；The guide groove 1ca along the stretching, extension of 1 length direction of shell is provided on the first shell wall 1c of shell 1, the second of shell 1 It is arranged at intervals with several limit holes 1da along 1 length direction of shell on shell wall 1d, along shell 1 on the third shell wall 1e of shell 1 Length direction is arranged at intervals with several retaining holes 1ea.

ISOFIX welding outer tube connection sheet 12 is welded on the second shell wall 1d of shell 1, ISOFIX welds outer tube and connects Contact pin 12 is fixed together with the pony sill in child safety seat.

The matching of ISOFIX connection component is set in shell 1 and can slide relative to shell 1, the ISOFIX connection component The ISOFIX connection component ontology that can be slided in shell 1 and relative to shell 1, the ISOFIX connection group are set in including a matching Part ontology include an ISOFIX outer cover, the ISOFIX outer cover by outside half lid 17 outside left ISOFIX and right ISOFIX half lid 5 combination and At.

After the ISOFIX outer cover is by half lid 5 combination outside half lid 17 outside left ISOFIX and right ISOFIX, have opposite first End 22 and second end 23, wherein the first end 1a of the first end 22 of ISOFIX outer cover and shell 1 is same holds, and the second of ISOFIX outer cover The same end second end 1b at end 23 and shell 1；The first end 22 of ISOFIX outer cover is in fish mouth shape.

In addition ISOFIX outer cover has the first tegmental wall 24, the second tegmental wall 25, third tegmental wall 26, the 4th tegmental wall 27, ISOFIX The inner surface sliding contact of the first shell wall 1c on the outer surface of first tegmental wall 24 of outer cover and shell 1, the of ISOFIX outer cover The outer surface of two tegmental walls 25 and the inner surface sliding contact of the second shell wall 1d on shell 1, the third tegmental wall 26 of ISOFIX outer cover Outer surface and shell 1 on third shell wall 1e inner surface sliding contact, the outer surface of the 4th tegmental wall 27 of ISOFIX outer cover With the inner surface sliding contact of the 4th shell wall 1f on shell 1.

It is provided with a long waist shaped hole 24a on the first tegmental wall 24 of ISOFIX outer cover, the position of long waist shaped hole 24a and outer The position guide groove 1ca on first shell wall 1c of shell 1 is adapted but length of the length less than guide groove 1ca.

Several and shell 1 are arranged at intervals with along ISOFIX outer cover length direction on the second tegmental wall 25 of ISOFIX outer cover The second shell wall 1d on the compatible upper pawl of several limit hole 1da appear hole 25a；In the third tegmental wall 26 of ISOFIX outer cover On several retaining hole 1ea phases on several third shell wall 1e with shell 1 are arranged at intervals with along ISOFIX outer cover length direction The lower pawl of adaptation appears hole 26a.

Ratchet 11 is located at the left ISOFIX in ISOFIX outer cover Wai half by riveting pin 21a, flat shim 20a, 20b axis Between lid 17 and outer half lid 5 of right ISOFIX.It is provided with a latch hook 11a and the first locking embedded structure 11b in ratchet 11, locks The shape of hook 11a is adapted with the fish mouth shape of the first end 22 of ISOFIX outer cover, the company on latch hook 11a and automotive seat Connector is connected, to realize connection of the child safety seat on automotive seat.

Lower locking plate 9 is located at half lid 17 and the right side left ISOFIX in ISOFIX outer cover Wai by the first guide pin 21b axis Between outer half lid 5 of ISOFIX, and it is located at the middle position of ISOFIX outer cover length direction.There is pawl on lower locking plate 9 A 9a and lug 9d, lower pawl 9a have the opposite first lower lower pawl face 9b of pawl face 9c and second, wherein the first lower pawl Direction of the face 9c towards ISOFIX outer cover first end 22, the second lower pawl face 9c is towards 23 direction of ISOFIX outer cover second end, and the Once pawl face 9c is inclined-plane, and the second lower pawl face 9b is to face directly.Lower pawl 9a on lower locking plate 9 appears ISOFIX outer cover Third tegmental wall 26 on lower pawl appear hole 26a and be inserted into a retaining hole 1ea on the third shell wall 1e of shell 1.

Lower 14 one end of locking plate reset spring acts on the second tegmental wall 25 of ISOFIX outer cover, and the other end acts on lower lock On stator 9.

Upper locking plate 7 is two panels, and locking plate 7 is set by the third guide pin 21c axis docked in a superimposed manner in two panels Outside half lid 17 outside the left ISOFIX in ISOFIX outer cover and right ISOFIX between half lid 5.Certainly upper locking plate 7 or one Piece.7 shape of locking plate is identical in two panels, all has pawl 7a on one, one by actuating arm 7b and a spring actuation arm 7c, on Pawl 7a, triangle relation is formed by actuating arm 7b and spring actuation arm 7c；By actuating arm 7b with one by driving inclined-plane 7d.

One end of lower locking plate reset spring 8 acts on the second tegmental wall 25 of ISOFIX outer cover, and the other end acts on On the end of spring actuation arm 7c.

Upper pawl 7a has on opposite first pawl face 7f on pawl face 7e and second, wherein the pawl face face 7e on first To the direction of ISOFIX outer cover first end 22, the second lower pawl face 9c is towards 23 direction of ISOFIX outer cover second end, spine on first Pawl face 7e is to face directly, and pawl face 7f is inclined-plane on second.

The upper pawl that upper pawl 7a is appeared on the second tegmental wall 25 of ISOFIX outer cover appears hole 25a and is inserted into shell 1 In a limit hole 1da on second shell wall 1d.

Lock banking stop 6 offers the first waist with first end 6a and second end 6b for long panel type part on lock banking stop 6 Shape hole 6c, the second kidney slot 6d and third kidney slot 6e, half lid 17 and the right side outside the left ISOFIX of ISOFIX connection component ontology Outer half lid 5 of ISOFIX is equipped with the second guide pin 21d.The first end 6a of lock banking stop 6 is provided with the second locking embedded structure 6f。

The centre of lock banking stop 6 is provided with a pulling ear 6g, the side of first end 6a of the pulling ear 6g towards lock banking stop 6 is Inclined-plane.

Lock banking stop 6 install ISOFIX connection component ontology outer half lid 17 of left ISOFIX and outer half lid 5 of right ISOFIX it Between, the first guide pin 21b passes through the first kidney slot 6c, the second guide pin 21d and passes through the second kidney slot 6d, third guide pin Axis 21c passes through third kidney slot 6e.

One end of pawl tension spring 10 is connect with ratchet 11, and the other end is connect with lock banking stop 6.In addition in the suitable of lock banking stop 6 When position is equipped with a button spindle 16, button spindle 16 is passed through from inside to outside on the first shell wall 1c of long waist shaped hole 24a and shell 1 Guide groove 1ca and stretch out outside the first shell wall 1c of shell 1.

In addition roller 21e, 21f there are two being set in 22 position axis of first end of ISOFIX outer cover, the first end of lock banking stop 6 6a is in rolling contact with roller 21e, 21f, moves lock banking stop 6 steadily.

In ISOFIX outer cover, the position of pawl face 7f is equipped with a roll shaft 21g, the outer peripheral surface of roll shaft 21g on second With second on pawl face 7f be in rolling contact, through the cooperation between the two, to limit the rotation angle of upper locking plate 7.

Button assembly includes button 4, button cover 3, secondary lock key 2 and secondary lock reseting pressuring spring 18, and button cover 3 is by wearing The button standing screw 19 of the guide groove 1ca crossed on the first shell wall 1c of shell 1 is fixed on ISOFIX outer cover close to second end 23 Position at, button cover 3 is located at outside the first shell wall 1c of ISOFIX shell and can be outside the first shell wall 1c of ISOFIX shell Surface sliding

Secondary lock key 2 is mounted in button cover 3 using articulated manner, and the secondary setting of lock reseting pressuring spring 18 is pressed in secondary lock Between key 2 and button cover 3, one is provided in button cover 3 to accommodate and for the button installation cavity 3a of the movement of button 4, button 4 are mounted in button installation cavity 3a.Button spindle 16 is inserted into button installation cavity 3a and is driven by button 4.

The first of the limit sleeve 13 after the second end 23 of ISOFIX shell is equipped with one, rear 13 surrounding of limit sleeve and shell 1 Shell wall 1c inner surface, the second shell wall 1d inner surface, third shell wall 1e inner surface, the 4th shell wall 1f inner surface sliding contact, pass through The cooperation of front limit set 15, rear limit sleeve 13, prevents ISOFIX connection component from skidding off shell 1.

The course of work that ISOFIX connection component in the utility model is adjusted to stretching state by contraction state is as follows:

In conjunction with secondary lock key 2 referring to Fig. 1 to Fig. 4 and Fig. 9, Figure 10, is pressed first, button 4 is unlocked, button 4 After unlock, push button 4, button 4, which is moved to, to be drivingly connected with button spindle 16 and drives button spindle 16 to the second of shell 1 simultaneously The movement of the direction 1b is held, on the one hand the button spindle 16 of movement drives lock banking stop 6 to move to the direction second end 1b of shell 1, another party Face by upper locking plate 7 by being rotated clockwise by locking plate 7 in driving inclined-plane 7d drive on actuating arm 7b so that on Upper pawl 7a on locking plate 7 exits the limit hole 1da on the second shell wall 1d of shell 1, carries out to ISOFIX connection component Unlock.After the unlock of ISOFIX connection component, to the direction the first end 1a promoting button component of shell 1, button assembly passes through button ISOFIX connection component is released shell 1 until ISOFIX connection group from the front limit set 15 on the first end 1a of shell 1 by bar 16 The fully extended shell 1 of part, button spindle 16 release ISOFIX connection component from the front limit set 15 on the first end 1a of shell 1 outer During shell 1, although lower locking plate 9, under the action of lower locking plate reset spring 14, the lower pawl 9a on lower locking plate 9 is saturating The lower pawl on the third tegmental wall 26 of ISOFIX outer cover appears hole 26a and is inserted into one on the third shell wall 1e of shell 1 only out Hole 1ea is moved back, but since the first lower pawl face 9c of lower pawl 9a is inclined-plane, the first lower pawl face 9d is to face directly, lower pawl 9a It can be from during the front limit set 15 on first end 1a of the ISOFIX connection component from shell 1 is released shell 1 by button spindle 16 Retaining hole 1ea on the dynamic third shell wall 1e for exiting shell 1, does not influence ISOFIX connection component from the first end 1a of shell 1 Front limit set 15 release shells 1.

After the fully extended shell 1 of ISOFIX connection component, unclamp secondary lock key 2, button 4 in secondary lock key 2 and It is resetted under the action of secondary lock reseting pressuring spring 18.Upper locking plate 7 resets under the effect of lower locking plate reset spring 8 simultaneously, locks The upper pawl that upper pawl 7a on stator 7 is appeared on the second tegmental wall 25 of ISOFIX outer cover appears hole 25a and is inserted into shell 1 In a limit hole 1da on second shell wall 1d.

ISOFIX connection component in the utility model and the jointing locking course of work on automotive seat are as follows:

Pass through automobile when child safety seat is mutually fixed with the jointing on automotive seat in conjunction with referring to Fig. 1 to Fig. 5 Jointing on seat touches the latch hook 11a in ratchet 11, pushes ratchet 11 to rotate counterclockwise by latch hook 11a, After the jointing on automotive seat, which crosses latch hook 11a, to be entered in lock hook slot, ratchet 11 is rotated clockwise, so that latch hook 11a hooks the jointing on automotive seat, while ratchet 11 pulls lock banking stop 6 the to shell 1 by pawl tension spring 10 The movement of one end direction 1a, the second locking embedded structure 6f of the first end 6a of lock banking stop 6 withstand on the first locking in ratchet 11 It is fitted on embedded structure 11b and therewith, the second locking embedded structure 6f of the first end 6a of lock banking stop 6 withstands ratchet at this time 11, so that child safety seat is secured firmly on automotive seat.It is chimeric in the second locking of the first end 6a of lock banking stop 6 Before structure 6f withstands ratchet 11, since lower locking plate 9 is under the action of lower locking plate reset spring 14, on lower locking plate 9 Lower pawl 9a appears the third shell wall 1e that the lower pawl on the third tegmental wall 26 of ISOFIX outer cover appears hole 26a and is inserted into shell 1 On a retaining hole 1ea, but since the first lower pawl face 9c of lower pawl 9a is inclined-plane, the first lower pawl face 9d is straight Face, so that ISOFIX connection component will not be retracted into shell 1, facilitate jointing and ratchet 11 on automotive seat On latch hook 11a connection.In addition into the direction the first end 1a motion process of shell 1, pulling ear 6g thereon is acted on lock banking stop 6 On the lug 9d on lower locking plate 9, lower locking plate 9 is driven to rotate clockwise by lug 9d, so that under on lower locking plate 9 Pawl 9a exits the retaining hole 1ea on the third shell wall 1e of shell 1, is unlocked.

After child safety seat and automotive seat are fixed, although upper locking plate 7 is acted in lower locking plate reset spring 8 at this time Lower reset, the upper pawl 7a on upper locking plate 7 appear the upper pawl on the second tegmental wall 25 of ISOFIX outer cover appear hole 25a and It is inserted into a limit hole 1da on the second shell wall 1d of shell 1, but due to pawl face 7e on the first of upper pawl 7a To face directly, pawl face 7f is inclined-plane on second, in addition the lower pawl 9a on lower locking plate 9 is exited on the third shell wall 1e of shell 1 Retaining hole 1ea be unlocked, therefore shell 1 can only be moved forward with respect to ISOFIX connection component, cannot be retreated, therefore can be with The ISOFIX connector that entire improved child safety seat uses is adjusted to perfect condition i.e. child safety seat and automobile Seat patch jail.

ISOFIX connection component in the utility model and the jointing unlock course of work on automotive seat are as follows:

Referring to fig. 2, Fig. 3, Fig. 6, Fig. 9, Figure 10 press secondary lock key 2 first, are unlocked to button 4, and button 4 solves After lock, push button 4, button 4, which is moved to, to be drivingly connected with button spindle 16 and drives button spindle 16 to the second end of shell 1 simultaneously On the one hand the movement of the direction 1b, the button spindle 16 of movement drive lock banking stop 6 to move to the direction second end 1b of shell 1, on the other hand By in upper locking plate 7 by being rotated clockwise by locking plate 7 in driving inclined-plane 7d drive on actuating arm 7b so that locking Upper pawl 7a on stator 7 exits the limit hole 1da on the second shell wall 1d of shell 1, solves to ISOFIX connection component Lock.After the unlock of ISOFIX connection component, to the direction the second end 1b promoting button component of shell 1, button assembly passes through button spindle 16 drive lock banking stops 6 are moved to the direction second end 1b of shell 1, so that the chimeric knot of the second locking of the first end 6a of lock banking stop 6 Structure 6f is detached from the Qian He with the first locking embedded structure 11b in ratchet 11, while pawl tension spring 10 pulls ratchet 11 inverse Hour hands rotation, so that latch hook 11a is detached from the jointing on automotive seat and realizes unlock.After unlock, ratchet 11 turns clockwise Dynamic, ratchet 11 pulls lock banking stop 6 to move to the direction first end 1a of shell 1 by pawl tension spring 10, and the first of lock banking stop 6 It is fitted on the first locking embedded structure 11b that the second locking embedded structure 6f of end 6a is withstood in ratchet 11 and therewith, at this time The second locking embedded structure 6f of the first end 6a of lock banking stop 6 withstands ratchet 11.First end of the lock banking stop 6 to shell 1 simultaneously In the motion process of the direction 1a, pulling ear 6g thereon is acted on the lug 9d on lower locking plate 9, drives lower lock by lug 9d Stator 9 rotates clockwise, so that the lower pawl 9a on lower locking plate 9 exits the retaining hole on the third shell wall 1e of shell 1 1ea is unlocked.Continue the direction the second end 1b promoting button component to shell 1, ISOFIX connection component in this way It is retracted into shell 1.

Claims (13)

1. a kind of ISOFIX connector that improved child safety seat uses characterized by comprising

One is in a strip shape and cross section is the shell of rectangle, and the shell has opposite first end and second end, the shell First end is opening-like, and the shell has the first shell wall, the second shell wall, third shell wall and the 4th shell wall, first shell wall Adjacent with the second shell wall, third shell wall, the 4th shell wall is opposite with the first shell wall and also adjacent with the second shell wall, third shell wall；? The guide groove along outer cover length direction stretching, extension is provided on first shell wall of the shell, in the second shell wall of the shell On along the outer cover length direction be arranged at intervals with several limit holes, it is long along the shell on the third shell wall of the shell Degree direction is arranged at intervals with several retaining holes；

One matching is set in the ISOFIX connection component that can be slided in the shell and relative to the shell, and the ISOFIX connects Connected components include:

One matching is set in the ISOFIX connection component ontology that can be slided in the shell and relative to the shell；

Axis is located at the ratchet on the ISOFIX connection component body first end, in use, the ratchet and automotive seat On jointing be connected, to realize connection of the child safety seat on automotive seat；

The first end of lock banking stop of one sliding configuration on the ISOFIX connection component ontology, the lock banking stop drives the spine Calvus enters lockup state；

One pawl tension spring, one end of the pawl tension spring are connect with the ratchet, the other end of the pawl tension spring with it is described Lock banking stop connection, the lock banking stop drive the ratchet to unlock by the pawl tension spring；

One axis is located at the lower locking plate on the ISOFIX connection component ontology middle position, has lower spine on the lower locking plate Pawl, in the case where the first end of the lock banking stop drives the ratchet to enter lockup state, the lower locking plate is in the lock banking stop Under driving, the lower pawl exits the retaining hole on the third shell wall of the shell；

Locking plate reset spring once, described lower locking plate reset spring one end act on the ISOFIX connection component ontology On, the lower locking plate reset spring other end acts on the lower locking plate, and in the unlocked state, the lower locking plate exists Under the lower locking plate action of reset spring, the lower pawl on the lower locking plate is forced to protrude on the third shell wall of the shell Retaining hole so that the ISOFIX connection component can only the jointing direction on automotive seat move, and cannot support or oppose From the jointing direction movement on automotive seat；

One is mounted on the button spindle in the lock banking stop second end, and the button spindle passes through leading on the first shell wall of the shell To slot and expose the guide groove, the button spindle drives the lock banking stop movement；

One axis is located at the upper locking plate in the ISOFIX connection component ontology second end, and the upper locking plate has spine on one Pawl；In the unlocked state, the upper locking plate is driven by the button spindle and is moved, so that the upper pawl on the upper locking plate The limit hole on the second shell wall of the shell is exited, so that connection of the ISOFIX connection component on automotive seat connects The movement of head direction；

One end of locking plate reset spring on one, the upper locking plate reset spring acts on the ISOFIX connection component ontology On, the upper locking plate reset spring other end acts on the upper locking plate, and in a latched condition, the upper locking plate exists Under the upper locking plate action of reset spring, the upper pawl on the upper locking plate is forced to protrude on the second shell wall of the shell A limit hole can only support or oppose prevent the ISOFIX connection component is moved from the jointing direction on automotive seat From the jointing direction movement on automotive seat；

One button assembly, the button assembly are arranged in outside the first shell wall of the shell and can be along the first shell walls of the shell Outer surface is slided, and the button in the button assembly can be moved to after the button is unlocked and the button spindle drives and connects It connects, at this point, the mobile button assembly can be driven the button spindle and drive the lock banking stop mobile by the button spindle.

2. a kind of ISOFIX connector that improved child safety seat uses as described in claim 1, which is characterized in that institute It states and is provided with a latch hook in ratchet, the latch hook is connected with the jointing on automotive seat, to realize children's safety Connection of the seat on automotive seat；One first locking embedded structure is additionally provided in the ratchet, in the lock banking stop First end be provided with the second locking embedded structure, when the first end of the lock banking stop drives the ratchet to enter lockup state When, the first locking embedded structure and the second locking embedded structure are mutually chimeric.

3. a kind of ISOFIX connector that improved child safety seat uses as described in claim 1, which is characterized in that The first end axis of the ISOFIX connection component ontology is equipped with an at least roller, and the first end of the lock banking stop and the roller roll Dynamic contact.

4. the ISOFIX that a kind of improved child safety seat as described in any one of claims 1 to 3 claim uses connects Connect device, which is characterized in that one is provided on the lower locking plate to lock banking stop direction lug outstanding, in the lock banking stop Middle position is provided with a pulling ear, in the case where the first end of the lock banking stop drives the ratchet to enter lockup state, the lock Pulling ear in limited step drives the lower locking plate movement by the lug, exits the lower pawl on the lower locking plate described Retaining hole on the third shell wall of shell.

5. a kind of ISOFIX connector that improved child safety seat uses as claimed in claim 4, which is characterized in that institute Stating the lower pawl on lower locking plate has the opposite first lower pawl face and the second lower pawl face, wherein the described first lower pawl face The first extreme direction towards the lock banking stop, the described second lower second extreme direction of the pawl face towards the lock banking stop, described the Once pawl face is inclined-plane, and the described second lower pawl face is to face directly.

6. a kind of ISOFIX connector that improved child safety seat uses as claimed in claim 5, which is characterized in that institute State locking plate also and have one by actuating arm and a spring actuation arm, the upper pawl described is made by actuating arm and the spring Triangle relation is formed with arm；It is described by actuating arm have one contact with the button spindle by driving inclined-plane, it is described to be driven tiltedly Face is contacted with the button spindle；The lower locking plate reset spring other end acts on the end of the spring actuation arm.

7. a kind of ISOFIX connector that improved child safety seat uses as claimed in claim 6, which is characterized in that institute Pawl is stated with pawl face on pawl face and second on opposite first, wherein pawl face is towards the locking on described first First extreme direction of piece, second extreme direction of the pawl face towards the lock banking stop on described second, pawl face is on described first It faces directly, pawl face is inclined-plane on described second.

8. a kind of ISOFIX connector that improved child safety seat uses as claimed in claim 7, which is characterized in that Position on the ISOFIX connection component ontology close to pawl face on described second is equipped with a roll shaft, the periphery of the roll shaft Pawl face is in rolling contact on face and described second, through the cooperation between the two, to limit the rotation angle of the upper locking plate.

9. a kind of ISOFIX connector that improved child safety seat uses as claimed in claim 8, which is characterized in that The first kidney slot, the second kidney slot and third kidney slot are offered on the lock banking stop, in the ISOFIX connection component ontology First guide pin, the second guide pin and third guide pin are installed, first guide pin passes through first waist Shape hole, second guide pin pass through second kidney slot, and the third guide pin passes through the third kidney slot, institute The shaft that the first guide pin acts also as the lower locking plate is stated, the lower locking bobbin is located in first guide pin, The third guide pin acts also as the shaft of the upper locking plate, and the upper locking plate axis is located at the third guide pin On.

10. a kind of ISOFIX connector that improved child safety seat uses as claimed in claim 9, which is characterized in that The button assembly is further included the button cover being fixed on the ISOFIX connection component ontology and is mounted on using articulated manner Secondary lock button in the button cover and the secondary lock being arranged between the button cover and the secondary lock button reset Pressure spring；One is provided in the button cover to accommodate and for the button installation cavity of button movement, the button installation In the button installation cavity, after the secondary lock button unlock, the button is moved to be drivingly connected with the button spindle.

11. a kind of ISOFIX connector that improved child safety seat uses as claimed in claim 10, which is characterized in that The ISOFIX connection component ontology includes an ISOFIX outer cover, and the ISOFIX outer cover has opposite first end and second End, wherein the first end of the first end of the ISOFIX outer cover and the shell is with holding, the second end of the ISOFIX outer cover with The second end of the shell is the same as end；The first end of the ISOFIX outer cover is in fish mouth compatible with the latch hook in the ratchet Shape；The ISOFIX outer cover has the first tegmental wall, the second tegmental wall, third tegmental wall, the 4th tegmental wall, and the of the ISOFIX outer cover The inner surface sliding contact of the first shell wall on the outer surface of one tegmental wall and the shell, the second tegmental wall of the ISOFIX outer cover Outer surface and the shell on the second shell wall inner surface sliding contact, the appearance of the third tegmental wall of the ISOFIX outer cover The inner surface sliding contact of third shell wall on face and the shell, the outer surface of the 4th tegmental wall of the ISOFIX outer cover and institute State the inner surface sliding contact of the 4th shell wall on shell；A long waist shaped is provided on the first tegmental wall of the ISOFIX outer cover Hole, the button spindle pass through the long waist shaped hole；It is long along the ISOFIX outer cover on the second tegmental wall of the ISOFIX outer cover The compatible upper pawl of several limit holes that degree direction is arranged at intervals on several second shell walls with the shell appears hole, The upper pawl appears the upper pawl and appears hole；It is long along the ISOFIX outer cover on the third tegmental wall of the ISOFIX outer cover The compatible lower pawl in several retaining holes that degree direction is arranged at intervals on several third shell walls with the shell appears hole, The lower pawl appears the lower pawl and appears hole；The ratchet, lock banking stop, upper locking plate, pawl tension spring, lower locking Piece, lower locking plate reset spring, upper locking plate, upper locking plate reset spring are installed in the ISOFIX outer cover.

12. a kind of ISOFIX connector that improved child safety seat uses as claimed in claim 11, which is characterized in that The ISOFIX connector that the improved child safety seat uses further includes limit sleeve after front limit set and one, is limited before described Position set is mounted in the first end of the shell, and the rear limit sleeve is mounted in the second end of the ISOFIX outer cover, described The first shell wall inner surface, the second shell wall inner surface, the third shell wall inner surface, the 4th shell wall of limit sleeve surrounding and the shell afterwards Inner surface sliding contact prevents the ISOFIX connection component from skidding off the shell by the cooperation of forward and backward limit sleeve.

13. a kind of ISOFIX connector that improved child safety seat uses as claimed in claim 12, which is characterized in that The ISOFIX outer cover is composed of half lid outside left ISOFIX Wai Bangai and right ISOFIX.