CN104875634B - Automobile safety seat for child and preparation method thereof - Google Patents
Automobile safety seat for child and preparation method thereof Download PDFInfo
- Publication number
- CN104875634B CN104875634B CN201510261860.5A CN201510261860A CN104875634B CN 104875634 B CN104875634 B CN 104875634B CN 201510261860 A CN201510261860 A CN 201510261860A CN 104875634 B CN104875634 B CN 104875634B
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- Prior art keywords
- groove
- rotor
- crocodile
- latch segment
- shoulder belt
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2887—Fixation to a transversal anchorage bar, e.g. isofix
- B60N2/2893—Fixation to a transversal anchorage bar, e.g. isofix coupled to the seat sub-frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2851—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with head-rests
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention relates to a kind of automobile safety seat for child and preparation method thereof.The coupling arrangement of the child safety seat in present market, its crocodile nozzle assembly is mostly all using relieving mechanism and the separately design of rigid attachment part.The present invention provides a kind of automobile safety seat for child, including head rest adjusting device and coupling arrangement；It is characterized in that：The coupling arrangement includes crocodile nozzle assembly, base, pedestal, securing rod and gear lever；Crocodile nozzle assembly includes housing, rotating shaft, rotor and acting device；There is chute on housing；Rotor is rotatably coupled in housing by rotating shaft, and neck is provided with the rotor, is changed when neck is rotated with rotor relative to chute between a latched position and an off-position；Acting device includes release contiguous block and latch segment, and release contiguous block is arranged in housing, and latch segment is connected on release contiguous block, and face is loosened with a lock slots and one on rotor.The present invention is simple in construction, reasonable in design, easy to operate, uses safety, cost reduction.
Description
Technical field
It is that child is strapped in emergency seat by one kind the present invention relates to a kind of automobile safety seat for child and preparation method thereof
In chair, the seat of children riding safety can be effectively improved.
Background technology
Child safety seat is used to protect child when automobile is because of collision or brake suddenly.For child safety seat
Speech, it is very important to limit the motion of passenger to fix passenger, particularly in automobile collision procedure.
There is the coupling arrangement of the child safety seat being used on automobile of many different types currently on the market, generally include
Crocodile nozzle assembly and base, crocodile nozzle assembly can respect thereto regulation so as to which the position of child safety seat be adjusted, crocodile mouth group
Part is mostly all using relieving mechanism and the separately design of rigid attachment part, and this structure is more complicated, and cost is higher.
In such as authorized announcement date 2012.12.12, the U of Authorization Notice No. CN 202593324 Chinese patent, disclose
A kind of child safety seat ISOFIX attachment means, it is characterised in that：Including fixed plate（1）, latch hook（2）, sliding block（3）, it is solid
Determine block（4）And release lever（5）, the latch hook（2）It is rotatably connected on fixed plate（1）Front end, its have one opening towards before
The fore shaft of obliquely downward（2-1）With recess of the opening towards below retreading（2-2）, the fixed block（4）It is connected in fixed plate
（1）Rear end, the sliding block（3）Slide laterally and be connected to latch hook（2）And fixed block（4）Between, its front end, which has, to be used for and institute
State latch hook（2）Recess（2-2）The projection of cooperation（3-2）, the sliding block（3）With fixed block（4）Between be provided with linear elasticity
Body（6）, the linear elastomer（6）Front end prop up sliding block（3）, its rear end props up fixed block（4）, the sliding block（3）Front end
It is raised（3-2）It is against latch hook（2）Rear end and by linear elastomer（6）Thrust forward, the release lever（5）Front end is fixed on
Sliding block（3）On, its afterbody passes through fixed block（4）And stretch out.The latch hook of this child safety seat ISOFIX attachment means（2）
Control structure it is complicated, to sliding block（3）Control it is complex, release lever in addition（5）Also need external control structure.
In the prior art, it is general to use the strap arrangement that child safety seat is carried by child restraint in child safety seat
On.In such as Chinese patent of Application No. 201310166795.9, a kind of strap arrangement for child safety seat is disclosed,
The strap arrangement has buckling state and open mode, it is characterised in that including：A plurality of shoulder belt, every shoulder belt has a band
Buckle joint；And at least one Belt with clasp assembly, wherein the Belt with clasp assembly includes：Buckle, to receive the band buckle joint with
The shoulder belt is fixed under buckling state；Button pad, at least a portion of the button pad aligns and adjacent with the buckle；It is buckled
Fixing band, the buckled fixing band is extended from the buckle, and the buckle is connected on child safety seat；And,
Deflection piece, the deflection piece is engaged with the button pad, with when strap arrangement is in open mode by Belt with clasp assembly towards remote
First position from passenger is deflected.The strap arrangement that this child safety seat is carried, generally complicated, cost is higher.
Prior art also has the Chinese patent that frenulum, such as Application No. 201180049711.2 are carried out using car belt
In, a kind of seat for children is disclosed, is configured on the seat of vehicle for being equipped with seat harness, it is characterised in that possess：
Seat main body, with portions and back；Ribbon features, with the installation portion on above-mentioned seat main body；Guiding part, quilt
Being left from above-mentioned installation portion on the position at interval for above-mentioned ribbon features is maintained at, can be with the above-mentioned seat of above-mentioned vehicle safety
The shoulder belt engaging of band；Through hole is formed with above-mentioned back, the above-mentioned guiding part being maintained on above-mentioned ribbon features can
By the through hole.There is elongated opening on the guiding part of this children's seat, for inserting safety belt, but it is this
Guiding part does not have safeguard measure after there is certain hidden danger, i.e. safety belt insertion guiding part, and safety belt may be from guidance part
Skidded off in the opening of part.Also have above-mentioned closure of openings by corresponding buckling piece in the prior art, but its structure is typically more
Complexity, cost is higher.
In addition, children's seat of the prior art includes the chair back and headrest, rest the head on for the head for protecting children, and the chair back
Generally it is fixedly connected with headrest.But, the speed of growth of children is very fast, and the growth of its height is very fast, thus existing skill
The nonadjustable children's seat of height of headrest can not adapt to the speed of growth of children in art, it is necessary to the seat more renewed, to meet need
Ask, this method can cause serious waste, increase unnecessary expenditures.
In authorized announcement date 2014.04.09, Authorization Notice No. CN 203528335 U Chinese patent, one is disclosed
Plant the headrest height adjustment device of automobile child seat, it is characterised in that：Including seat body（1）, in described seat body
（1）Backrest slide chamber provided with upper end open（101）, described slides chamber（101）Interior be provided with can glide on it is interior
Dynamic slide plate（3）, described slide plate（3）Upper end is provided with the headrest moved up and down with it（2）, described slides chamber（101）After
Side wall（103）It is provided with vertically extending bar hole（103a）With multiple adjustment holes being arranged above and below（103b）, it is described
Slide plate（3）By being installed on described bar hole（103a）Interior transverse axis（401）Being connected with can described rear wall relatively
（103）Elastic regulating block（4）, described regulating block（4）It is provided with and described adjustment hole（103b）It is engaged regulation
Adjustment pin（402）.The headrest height adjustment device of this automobile child seat is complicated, and troublesome poeration.
The content of the invention
It is an object of the invention to overcome above shortcomings in the prior art, and provide a kind of simple in construction, design
Rationally, it is easy to operate, use safety, the automobile safety seat for child of cost reduction and preparation method thereof.
The present invention the used technical scheme that solves the above problems is：The automobile safety seat for child, including headrest are adjusted
Regulating device and coupling arrangement；What the head rest adjusting device was moved including the chair back for children's dependence, for limiting child head
Rest the head on and for limiting there is a connection for being used to be connected with the chair back on the retaining mechanism that headrest is moved relative to the chair back, headrest
The accommodating chamber for accommodating connecting portion is offered in portion, the chair back, connecting portion is plugged in accommodating chamber and can oriented along accommodating chamber
Mobile, side of the accommodating chamber on the moving direction of connecting portion is open；It is characterized in that：The coupling arrangement includes crocodile mouth group
Part, base, pedestal, securing rod and gear lever；The gear lever is connected with crocodile nozzle assembly, and gear lever is slidably connected with base
And can be accommodated in base, there are some gear grooves, the securing rod coordinates with gear groove on gear lever；Have on the base
Guide groove, securing rod coordinates in guide groove and can only moved along guide groove；The pedestal is slidably mounted in base, should
There are the symmetrically arranged two groups guiding grooves being obliquely installed, the guiding groove is in relative to the motion track of pedestal on pedestal
It is obliquely installed, the two ends of the securing rod are respectively fitting into above-mentioned two groups of guiding grooves, when pedestal is moved, can make securing rod
Switch on its top or bottom for being oriented to groove, so that securing rod is separated or engaged with gear groove；The crocodile nozzle assembly includes
Housing, rotating shaft, rotor and acting device；There is a chute coordinated with the ISOFIX steel shafts on automobile on the housing, should
The side opening of chute toward housing is set；The rotor is rotatably coupled in housing by rotating shaft, is provided with the rotor
Neck for locking ISOFIX steel shafts, when neck is rotated with rotor relative to chute between a latched position and an off-position
Change, the acting device and rotor connect and control its neck to change between latched position and off-position；The start dress
Put including release contiguous block and latch segment, the release contiguous block is slidably mounted in housing, and the latch segment is connected to
Discharge on contiguous block and controlled to move by release contiguous block, loosen face with a lock slots and one on the rotor, in lock
When positioning is put, latch segment is caught in lock slots, at off-position, and latch segment takes off with the movement of release contiguous block from lock slots
Go out, and be against the loosening on face of latch segment.
Under normality, securing rod coordinate in gear groove, fix the position of crocodile nozzle assembly, when need adjust crocodile nozzle assembly
When, operation pedestal movement, securing rod is lifted in guide groove and on being oriented under the collective effect of groove, and from the gear groove of gear lever
Skid off, thus position just between gear-adjustable bar and base, so as to adjust the position of crocodile nozzle assembly, after the completion of regulation, gear
Bar falls after rise, and is caught in corresponding gear groove, gear lever is locked again；Enclosed construction is formed after neck and chute coordinate
When, as latched position, now steel shaft be located in the enclosed construction, formed and opened after neck is rotated with rotor and is coordinated with chute
During mouth structure, as off-position, now steel shaft can be skidded off out of this uncovered structure；During connection, steel shaft is directly snapped onto into card
Groove, and neck is just completed connection when being in the locked position, simple in construction, connection is reliable；Rotor is in latched position, by locking
Tight block carries out locking holding, and latch segment is directly controlled to slide by release contiguous block, so that rotor switches to relaxation state, its
Control structure is simpler compared with prior art, and parts are less, cost reduction.
Housing of the present invention includes crocodile muzzle, crocodile mouth seat and end cap, and the crocodile mouth seat coordinates in crocodile muzzle and formed
The open structure in both sides, end cap covers the open-mouth of side wherein, and rotor is then located at opposite side.It is simple in construction, assembling side
Just.
Present invention additionally comprises attachment screw, the end cap includes curved body, and body is fitted with one end of crocodile muzzle；
Being provided with the body on locating piece, the crocodile mouth seat has the groove matched with locating piece；The company of setting on the body
Contact pin, the bottom surface of the bottom surface of the crocodile muzzle, connection sheet and crocodile mouth seat is set gradually, and the attachment screw sequentially passes through crocodile muzzle
Bottom surface, the bottom surface of connection sheet and crocodile mouth seat and three is fixedly connected.Crocodile mouth seat coordinates in crocodile muzzle, so as to limit crocodile mouth
The horizontal movement of seat, and after the groove of the locating piece of end cap and crocodile mouth seat coordinates, limit the movement of crocodile mouth seat longitudinal direction, crocodile mouth
Set, crocodile mouth seat and end cap only need same attachment screw to complete connection, and simple in construction, cost is low, and efficiency of assembling is high.
Retaining mechanism of the present invention, which includes two groups of symmetrically arranged latch segments and one group, to be used to adjust latch segment to lock
The locating groove that opening points to the side wall of accommodating chamber is offered on tight position or the actuation mechanism of release position, latch segment, it is described
Both sides in accommodating chamber are symmetrically arranged with some positioning card articles, movement of the positioning card article on accommodating chamber one side in connecting portion
Set gradually on direction, the locating groove is matched with positioning card article.Headrest is connected through cunning of the portion in the accommodating chamber of the chair back
Dynamic regulation, can be achieved the regulation of height of headrest, and the cooperation of connecting portion and accommodating chamber so that the slip of connecting portion is more stable；Make
Motivation structure can control latch segment be in a locked position or release position, in locked position, the locating groove of latch segment with
Positioning card article in accommodating chamber coordinates, so that the position of connecting portion is relatively fixed, in release position, the locator card of latch segment
Groove is deviate from from positioning card article, so that connecting portion is freely slidable, it is simple in construction, and and connection is reliable.
Locating slot is offered on connecting portion of the present invention, the actuation mechanism includes guide plate and handle, the guide plate
Guiding skewed slot is offered on the outside for being slidably fitted in locating slot and making handle be exposed to accommodating chamber, the guide plate, it is described
There is the lead coordinated in skewed slot is oriented on latch segment.Guide plate is pulled up by handle, due to being oriented to skewed slot and leading
To the cooperation of post, latch segment is moved inward, locating groove is departed from positioning card article, now latch segment is in release position,
Unclamp after handle, latch segment restores, its locating groove is locked with corresponding positioning card article, and now latch segment is in locking position
Put, operate very simple.
The mounting groove for installation locking block is provided with connecting portion of the present invention, transverse direction of the mounting groove along connecting portion
Set, latch segment is arranged in mounting groove and can make displacement along mounting groove.The setting of mounting groove, makes latch segment can only be along horizontal stroke
To movement, prevent its disengaging configuration and fail.
The locating groove of latch segment of the present invention is formed by two groups of limited posts and a bottom surface, and the sidepiece of connecting portion is opened up
Having makes the limited post of latch segment be exposed to the through hole outside connecting portion and the confined planes of position-limiting action is played to bottom surface.Confined planes are set
Put, prevent latch segment from skidding off and failing outward from mounting groove, be also convenient for the installation positioning of latch segment.
Present invention additionally comprises the shoulder belt guider being fixed on headrest；The shoulder belt guider is oriented to including shoulder belt
Guiding groove is offered on part, shoulder belt closing piece, button and preloading spring, the shoulder belt guide；
The shoulder belt closing piece includes a central siphon being hinged in shoulder belt guide and one rotates and makes around the central siphon
Offer and match somebody with somebody along the axially arranged of central siphon in the buckling parts that guiding groove is changed in closed state and open state incision, the central siphon
There is an abutting block along the axially arranged of central siphon on conjunction hole, the inwall of the mating holes, the abutting block is concentric with central siphon including one
Circular arc top surface and one pushing and pressing face；The button is arranged on shoulder belt guide and is exposed to including one outside shoulder belt guide
Press surface and one coordinate on lower push-rod between circular arc top surface and mating holes, the lower push-rod there is one along lower push-rod
Axial screw set lower pushing surface, the lower pushing surface with push against block pushing and pressing face matching simultaneously shoulder belt closing piece can be made to rotate,
So that guiding groove switches to open state from closed state；The preloading spring be arranged on buckling parts and shoulder belt guide it
Between, and provide pretightning force to buckling parts when guiding groove is closed state.When safety belt is caught in during guiding groove, safety is forced in
Band, safety belt is pushed away on buckling parts, rotates buckling parts, so that in the gap that safety belt can be between buckling parts and guiding groove
Snap onto in guiding groove, when removing the force, buckling parts is replied in the presence of preloading spring, and guiding groove is returned back to closing
State；When needing to release safety belt out of guiding groove, the press surface of button is forced in, makes button down, the lower pushing surface of button is made
Pushing and pressing face for pushing against block, pushes against block and rotates, so that the buckling parts of shoulder belt closing piece is rotated, guiding groove is switched to open-like shape
State, now just can take out safety belt from guiding groove；Said structure is very simple, when safety belt is in guiding groove, is detained
The limitation in conjunction portion, thus will not be skidded off from guiding groove so that use is safer, and the pressing action of button just can complete buckling parts
Rotation, operation is very easy, during closed state, buckling parts by preloading spring power, thus buckling parts be difficult loosen and lose
Effect.
Lower position on shoulder belt guide of the present invention in guiding groove has accommodating cavity, and closed is in guiding groove
During state, one end of buckling parts enters in accommodating cavity and its end is against on the front end wall of accommodating cavity.Due to one end of buckling parts
Coordinate in accommodating cavity, and accommodating cavity be located at guiding groove lower section, thus guiding groove be in closed state when, buckling parts with guiding
Completely without gap between groove, it is ensured that the security used.
Shoulder belt guide of the present invention has hollow installation portion, and the button is arranged in the installation portion, installation portion
On offer guide groove, button Face axially has the projection of strip along it, and the male cooperation is in guide groove so as to limit button
Rotate.Guide groove and raised cooperation, can prevent button from rotating, it is ensured that the normal work of button.
The preparation method of automobile safety seat for child, comprises the following steps：
（1）One coupling arrangement is provided, the rotor of crocodile nozzle assembly is arranged in housing and coordinated with acting device, by pedestal
Install in the base, securing rod is respectively fitting into guide groove and is oriented in groove, gear lever is connected with crocodile nozzle assembly, gear
Bar is coordinated by its gear groove and securing rod；
（2）One head rest adjusting device is provided, the connecting portion of headrest is inserted into the accommodating chamber of the chair back, then passes through retaining mechanism
The chair back and headrest are relatively fixed；
（3）Shoulder belt guider is provided, shoulder belt guider is fixed on headrest；
（4）The base of the chair back of head rest adjusting device and coupling arrangement is connected.
Coupling method in automobile safety seat for child coupling arrangement, comprises the following steps：
（1）Force in pedestal and slide pedestal, securing rod is raised to the top for being oriented to groove, now just relieve lock
Fixed pole and the connection of gear groove；
（2）Regulation stall bar removes the force to pedestal to desired location, and pedestal is replied, and securing rod falls after rise, and with it is corresponding
Gear groove coordinate；
（3）Steel shaft on automobile is caught in the neck of rotor, and continue to press on rotor rotation so that latch segment from rotor
Loosen the position that face offsets and turn to and be caught in lock slots so that rotor is relatively fixed, so that steel shaft be locked.
The present invention compared with prior art, with advantages below and effect：It is simple in construction, it is reasonable in design, under normality, locking
Bar coordinates in gear groove, fixes the position of crocodile nozzle assembly, when needing regulation crocodile nozzle assembly, operation pedestal movement, locking
Bar under guide groove and the collective effect of chute on lift, and skidded off from the gear groove of gear lever, thus just gear-adjustable bar
Position between base, so as to adjust the position of crocodile nozzle assembly, after the completion of regulation, gear lever falls after rise, and is caught in corresponding gear
In groove, gear lever is set to be locked again；When forming enclosed construction after neck and chute coordinate, as latched position, now steel
Axle position is in the enclosed construction, when forming uncovered structure after neck is rotated with rotor and is coordinated with chute, as off-position,
Now steel shaft can be skidded off out of this uncovered structure；During connection, steel shaft is directly snapped onto into neck, and be in the locked position neck
When just complete connection, simple in construction, connection is reliable；Rotor carries out locking holding in latched position by latch segment, and locks
Block is directly controlled to slide by release contiguous block, so that rotor switches to relaxation state, and its control structure is compared with prior art more
Plus it is simple, parts are less, cost reduction.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram one of automobile safety seat for child in the embodiment of the present invention.
Fig. 2 is the dimensional structure diagram two of automobile safety seat for child.
Fig. 3 is the structural representation of headrest and retaining mechanism.
Fig. 4 is the structural representation of headrest.
Fig. 5 is the structural representation of latch segment.
Fig. 6 is the structural representation of actuation mechanism.
Fig. 7 is the structural representation of the chair back.
Fig. 8 is the structural representation of coupling arrangement.
Fig. 9 is the structural representation of gear lever.
Figure 10 is the structural representation of pedestal.
Figure 11 is the dimensional structure diagram of crocodile nozzle assembly.
Figure 12 is the cross section structure diagram of the coupling arrangement of automobile safety seat for child.
Figure 13 is the structural representation for discharging contiguous block.
Figure 14 is the cooperation schematic diagram of rotor and torsion spring.
Figure 15 is the structural representation of crocodile muzzle.
Figure 16 is the structural representation of crocodile mouth seat.
Figure 17 is the structural representation of end cap.
Figure 18 is structural representation when rotor is in off-position.
Figure 19 is the dimensional structure diagram one of shoulder belt guider.
Figure 20 is the dimensional structure diagram two of shoulder belt guider.
Figure 21 is the cooperation schematic diagram of shoulder belt guide and shoulder belt closing piece.
Figure 22 is the structural representation of button.
Figure 23 is the structural representation of shoulder belt closing piece.
Figure 24 is the dimensional structure diagram of shoulder belt guide.
Figure 25 is the structural representation of preloading spring.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, following examples are to this hair
Bright explanation and the invention is not limited in following examples.
Referring to Fig. 1 to Figure 25, the automobile safety seat for child in the present embodiment includes head rest adjusting device 1, connection dress
Put 2, shoulder belt guider 3.
Head rest adjusting device 1 in the present embodiment includes the chair back 11, headrest 12 and retaining mechanism 13, and coupling arrangement 2 includes
Crocodile nozzle assembly 21, base 22, pedestal 23, securing rod 24, gear lever 25, connecting tube 26, adapter sleeve 27 and axle sleeve 28, shoulder belt are oriented to
Device 3 includes shoulder belt guide 31, shoulder belt closing piece 32, button 33 and preloading spring 34.
Referring to Fig. 3 to Fig. 7, the chair back 11 in the present embodiment is leaned on for children, and rests the head on 12 for limiting child head
Mobile, headrest 12 and the chair back 11 are prior art, thus here is omitted.
Have on headrest 12 in the present embodiment in a connecting portion 121 for being used to be connected with the chair back 11, the chair back 11 and open up
There is the accommodating chamber 111 for accommodating connecting portion 121, connecting portion 121 is plugged in accommodating chamber 111 and can determined along accommodating chamber 111
To movement, side of the accommodating chamber 111 on the moving direction of connecting portion 121 is open, and connecting portion 121 can be inserted from the open-mouth
Into accommodating chamber 111.
Retaining mechanism 13 in the present embodiment is used to connecting portion 121 being relatively fixed in accommodating chamber 111, so that the company of limitation
The slip of socket part 121, makes the height of headrest 12 keep constant.
The concrete structure of retaining mechanism 13 in the present embodiment, which includes two groups of symmetrically arranged latch segments 131 and one group, to be used for
Latch segment 131 is adjusted to the actuation mechanism 132 of locked position or release position, opening is offered on latch segment 131 and is pointed to and is held
Receive chamber 111 side wall locating groove 1311, the both sides in accommodating chamber 111 are symmetrically arranged with some positioning card articles 1111, that is, held
The positioning card article 1111 received on the left side of chamber 111 and right side is symmetrical set, the positioning card article 1111 on the one side of accommodating chamber 111
Set gradually on the moving direction of connecting portion 121, locating groove 1311 is matched with positioning card article 1111.
Headrest 12 is connected through slidable adjustment of the portion 121 in the accommodating chamber 111 of the chair back 11, and 12 height of headrest can be achieved
Regulation, and connecting portion 121 and the cooperation of accommodating chamber 111 so that the slip of connecting portion 121 is more stable；Actuation mechanism 132 can control
Latch segment 131 is in a locked position or release position, in locked position, and the locating groove 1311 of latch segment 131 is with holding
The positioning card article 1111 received in chamber 111 coordinates, so that the position of connecting portion 121 is relatively fixed, in release position, latch segment
131 locating groove 1311 is deviate from from positioning card article 1111, so that connecting portion 121 is freely slidable, it is simple in construction, and even
Connect reliable.
Locating slot 1211 is offered on connecting portion 121 in the present embodiment, actuation mechanism 132 includes guide plate 1321 and drawn
Hand 1322, the outside that the guide plate 1321 is slidably fitted in locating slot 1211 and makes handle 1322 be exposed to accommodating chamber 111 is oriented to
Being offered on plate 1321 on guiding skewed slot 13211, latch segment 131 has the lead 1312 coordinated in skewed slot 13211 is oriented to,
Guide plate 1321 along locating slot 1211 move when, lead 1312 make latch segment 131 slide so as to positioning card article 1111 lock
Or separation.Guide plate 1321 is pulled up by handle 1322, due to being oriented to the cooperation of skewed slot 13211 and lead 1312, made
Latch segment 131 is moved inward, and locating groove 1311 is departed from positioning card article 1111, now latch segment 131 is in release position,
Unclamp after handle 1322, latch segment 131 restores, its locating groove 1311 is locked with corresponding positioning card article 1111, now
Latch segment 131 is in locked position, operates very simple.
The mounting groove 1212 for installation locking block 131, the mounting groove are provided with connecting portion 121 in the present embodiment
1212 are set along the transverse direction of connecting portion 121, and latch segment 131 is arranged in mounting groove 1212 and can make orientation along mounting groove 1212 and moves
It is dynamic.The setting of mounting groove 1212, makes latch segment 131 to laterally move, and prevents its disengaging configuration and fails." horizontal stroke herein
To setting ", when referring to that connecting portion is vertically arranged, that is, 12 were rested the head on when upper, the position of mounting groove 1212 and connecting portion 121 is closed
System.
The locating groove 1311 of latch segment 131 in the present embodiment is formed by two groups of limited posts and a bottom surface, connecting portion
121 sidepiece, which is offered, makes the limited post of latch segment 131 be exposed to the through hole 1213 outside connecting portion 121 and play spacing make to bottom surface
Confined planes 1214.The setting of confined planes 1214, prevents latch segment 131 from skidding off and failing outward from mounting groove 1212,
The installation of latch segment 131 is facilitated to position.Elastic device is additionally provided with the present embodiment, the elastic device laterally forces in latch segment
131, latch segment 131 is outwardly formed under pretightning force, normality, latch segment 131 is against on confined planes 1214, i.e. locked position,
Latch segment 131 is set to be in after release position by external force, when removing the external force, due to the setting of elastic device, latch segment 131
Locked position will be returned back to.Elastic device is prior art, and its implementation is a lot, no longer describes one by one herein.
Have on connecting portion 121 in the present embodiment on guide part 1215, guide plate 1321 and offer guide groove 13212,
Guide part 1215 coordinates in guide groove 13212 and guide plate 1321 is moved along the direction of guide groove 13212.So that leading
More stablize when sliding to plate 1321, it is too quickly and the cooperation of guide plate 1321 is failed prevented also from 1322 stress of handle.
Spring is connected between the bottom of guide plate 1321 in the present embodiment and the chair back 11, the spring is protected to guide plate 1321
Pretightning force is held, is removed after the external force to handle 1322, spring restores guide plate 1321,1322 Hes of handle are connected by spring
The chair back 11 is prior art, thus here is omitted.
The angle between guiding skewed slot 13211 and level in the present embodiment is between 40 degree to 60 degree.Under the angle, both
The stroke of latch segment 131 can be ensured, make structure as compact as possible, can also reduce the force to handle 1322 so that operation is more
It is laborsaving.Angular relationship herein, as shown in figure 1, when being that the head rest adjusting device of safety chair seats of car for children is placed vertically, being oriented to
The angle of skewed slot 13211 and horizontal plane.
Referring to Fig. 8 to Figure 18, the gear lever 25 in the present embodiment is connected with crocodile nozzle assembly 21, gear lever 25 slidably with
Base 22 is connected and can be accommodated in base 22, has some gear grooves 251, securing rod 24 and gear groove 251 on gear lever 25
Coordinate；There is guide groove 221, securing rod 24 coordinates in guide groove 221 and can only moved along guide groove 221 on base 22；Base
Seat 23 is slidably mounted in base 22, is specifically provided with sliding groove in base 22, is made pedestal 23 can be in the sliding groove
There are the symmetrically arranged two groups guiding grooves 231 that are obliquely installed on displacement, the pedestal 23, be oriented to groove 231 relative to
The motion track of pedestal 23 is inclined to set, and the two ends of securing rod 24 are respectively fitting into above-mentioned two groups of guiding grooves 231, work as base
When seat 23 is moved, securing rod 24 can be made to switch on its top or bottom for being oriented to groove 231, so that securing rod 24 and gear groove
251 separation engage.
Base 22 in the present embodiment is removably connected with the chair back 11.
Crocodile nozzle assembly 21 in the present embodiment includes housing 211, rotating shaft 212, rotor 213, acting device 214, torsion spring 215
With spring 216.
There is a chute 21101 coordinated with the ISOFIX steel shafts on automobile, the cunning on housing 211 in the present embodiment
The side opening of groove 21101 toward housing 211 is set, and rotor 213 is rotatably coupled in housing 211 by rotating shaft 212, this turn
The neck 2131 for locking ISOFIX steel shafts is provided with piece 213, relative to chute when neck 2131 is rotated with rotor 213
21101 change between a latched position and an off-position, and acting device 214 is connected with rotor 213 and controls its neck 2131
Change between latched position and off-position.When forming enclosed construction after neck 2131 and chute 21101 coordinate, as lock
Position, now steel shaft is in the enclosed construction, i.e. completion is fixed；Form open after neck 2131 and chute 21101 coordinate
During structure, as off-position, now steel shaft can be skidded off out of this uncovered structure；During connection, steel shaft is directly snapped onto into neck
2131, and neck 2131 is just completed connection when being in the locked position, simple in construction, connection is reliable.As shown in figure 1, wherein
Rotor 213 be in the locked position, as shown in figure 8, rotor therein 213 be in release position.
As shown in Figure 12 and Figure 18, the acting device 214 in the present embodiment includes release contiguous block 2141 and latch segment
2142, release contiguous block 2141 is slidably mounted in housing 211, and latch segment 2142 is connected on release contiguous block 2141 simultaneously
Controlled to move by release contiguous block 2141, loosen face 2133 with a lock slots 2132 and one on rotor 213, in locking bit
When putting, latch segment 2142 is caught in lock slots 2132, at off-position, latch segment 2142 with release contiguous block 2141 move and
Deviate from from lock slots 2132, and be against the loosening on face 2133 of latch segment 2142.Latch segment 2142 is directly by release contiguous block
2141 controls are slided, and structure is simpler.
As shown in figure 14, the torsion spring 215 in the present embodiment includes the first arm 2151 and the second arm 2152, and the first arm 2151 is supported
On housing 211, and the second arm 2152 is arranged on rotor 213, torsion spring 215 force in rotor 213 and make rotor 213 have to
The active force that off-position is rotated.When latch segment 2142 is connected with the releasing of lock slots 2132, due to the setting of torsion spring 215, make to turn
The neck 2131 of piece 213 automatically returns to off-position, is easy to be attached next time.
As shown in figure 12, the spring 216 in the present embodiment is arranged between release contiguous block 2141 and housing 211, and is supported
Elastic potential energy is formed on release latch segment 2142.Release contiguous block 2141 is exerted a force, release contiguous block 2141 is moved, so that
Latch segment 2142 is deviate from out of lock slots 2132, now discharge the extrusion spring 216 of contiguous block 2141 formation elastic potential energy, remove
After force to discharging contiguous block 2141, due to the effect of spring 216, the resilience of contiguous block 2141 is discharged, and make latch segment 2142
It is against and loosens on face 2133 so that operation more facilitates.
As shown in figure 12, the housing 211 in the present embodiment includes crocodile muzzle 2111, crocodile mouth seat 2112, end cap 2113, connection
Screw 2114, crocodile mouth seat 2112 coordinates in crocodile muzzle 2111 and forms the open structure in both sides, and end cap 2113 is covered wherein
The open-mouth of side, and rotor 213 is then located at opposite side.
Crocodile muzzle 2111, crocodile mouth seat 2112 in the present embodiment, the specific connected mode of end cap 2113 are that end cap 2113 is wrapped
Curved body 21131 is included, body 21131 is fitted with one end of crocodile muzzle 2111；Locating piece is provided with body 21131
211311, there is the groove 21121 matched with locating piece 211311 on crocodile mouth seat 2112；Connection sheet is set on body 21131
211312, the bottom surface of the bottom surface of crocodile muzzle 2111, connection sheet 211312 and crocodile mouth seat 2112 is set gradually, attachment screw 2114 according to
It is secondary through the bottom surface of crocodile muzzle 2111, the bottom surface of connection sheet 211312 and crocodile mouth seat 2112 and to be fixedly connected with three.Crocodile mouth seat
2112 coordinate in crocodile muzzle 2111, so that the horizontal movement of crocodile mouth seat 2112 is limited, and the locating piece 211311 of end cap 2113
After coordinating with the groove 21121 of crocodile mouth seat 2112, the movement of the longitudinal direction of crocodile mouth seat 2112, crocodile muzzle 2111, crocodile mouth seat are limited
2112 and end cap 2113 only need same attachment screw 2114 to complete connection, simple in construction, cost is low, and efficiency of assembling is high.
As shown in figure 16, limiting through hole 21122, the end of latch segment 2142 are offered on the crocodile mouth seat 2112 in the present embodiment
It is erected in limiting through hole 21122 and is limited by limiting through hole 21122 stroke of its movement.By the row for limiting latch segment 2142
Journey, can limit the stroke of release contiguous block 2141, prevent spring 216 to be excessively stretched and fail.
As shown in figure 13, the release contiguous block 2141 in the present embodiment has an operating surface 21411, by pressing the operation
Face 21411, can control the movement of release contiguous block 2141, and relevant position offers window on housing 211 so that operating surface
21411 are exposed to outside housing 211, convenient that release contiguous block 2141 is operated.
The quantity of crocodile nozzle assembly 21 in the present embodiment is 2 groups.
Crocodile nozzle assembly 21 in the present embodiment is connected with connecting tube 26 and can rotated with respect to connecting tube 26, is specifically
Two groups of crocodile nozzle assemblies 21 are connected in the two ends of connecting tube 26 respectively, and connecting tube 26 and gear lever are connected by adapter sleeve 27, axle sleeve 28
It is lining in adapter sleeve 26.Crocodile nozzle assembly can be rotated relative to connecting tube 26, so as to be rotated according to actual to crocodile nozzle assembly
Regulation, facilitates it to be connected with steel shaft.Connecting tube 26 and the specific connected mode of crocodile nozzle assembly 21 are to be offered on its housing 211
Mounting hole, the end of connecting tube 26 coordinates in mounting hole.
Have to offer on the handle 232 for being used for operating pedestal to move, base 22 on pedestal 23 in the present embodiment and make hand
Handle 232 is exposed to the window outside base.
The side of gear groove 251 in the present embodiment has inclined plane 2511, is slid more easily into when falling securing rod 24 after rise
In gear groove 251, and make gear lever 25 more laborsaving when away from the movement of the direction of base 22, operate more smooth.
Returning spring 29 is connected between base 22 and pedestal 23 in the present embodiment, after operation pedestal 23 is moved, when removing
Go after external force, pedestal 23 can be replied in the presence of returning spring 29, and fall securing rod 24 after rise, and securing rod 24 is kept to
Under pretightning force, so as to next operation.
The operation principle of crocodile nozzle assembly 21：When the coupling arrangement is connected with the ISOFIX steel shafts on automobile, at neck 2131
In off-position, steel shaft is directly entered the neck 2131 of rotor 213, and continues to press on rotor 2131 and rotate so that latch segment
2142 turn to and are caught in lock slots 2132 from the position that face 2133 offsets of loosening with rotor 213, i.e. latched position so that turn
Piece 213 is relatively fixed, so as to realize connection；When unlocking, release contiguous block 2141 is pulled, makes latch segment 2142 from lock
Determine to deviate from groove 2132, rotor 213 turns to release position, and steel shaft is hit by a bullet from neck 2131 in the presence of torsion spring 215
Go out.
Referring to Figure 19 to Figure 25, guiding groove 3101 is offered on the shoulder belt guide 31 in the present embodiment；Shoulder belt closing piece 32
Rotated including a central siphon being hinged in shoulder belt guide 31 321 and one around the central siphon 321 and guiding groove 3101 is existed
The axially arranged cooperation along central siphon 321 is offered in the buckling parts 322 that closed state and open state incision are changed, central siphon 321
There is an abutting block 324 along the axially arranged of central siphon 321 on hole 323, the inwall of the mating holes 323, pushing against block 324 includes a circle
Arc top surface 3241 and a pushing and pressing face 3242.
Button 33 in the present embodiment is arranged on shoulder belt guide 31 and is exposed to including one outside shoulder belt guide 31
Press surface 331 and one coordinate and have on lower push-rod 332 between circular arc top surface 3241 and mating holes 323, lower push-rod 332
The lower pushing surface 3321 that one axial screw along lower push-rod 332 is set, the lower pushing surface 3321 and the pushing and pressing face 3242 for pushing against block 324
Match and shoulder belt closing piece 32 can be made to rotate, so that guiding groove 3101 switches to open state from closed state.Button
33 when pushing, and the lower pushing surface 3321 of button 33 acts on the pushing and pressing face 3242 for pushing against block 324, due to the lower push-rod 332 of button 33
Coordinate between circular arc top surface 3241 and mating holes 323, and central siphon 321 is hinged on shoulder belt guide 31, thus central siphon 321 rotates
Rotate, so as to rotate buckling parts 322, guiding groove 3101 is switched to open state from closed state.The lower push-rod 332 of button 33
Coordinate between circular arc top surface 3241 and mating holes 323, the loosening of lower push-rod 332 in the radial direction can be prevented, so as to influence pair
The effect in pushing and pressing face 3242.
Preloading spring 34 in the present embodiment is arranged between buckling parts 322 and shoulder belt guide 31, and in guiding groove
3101 provide pretightning force when being closed state to buckling parts 322.
When safety belt snaps onto guiding groove 3101, safety belt is forced in, safety belt is pushed away on buckling parts 322, makes buckling parts
322 rotate, so that snapped onto in the gap that safety belt can be between buckling parts 322 and guiding groove 3101 in guiding groove 3101,
When removing the force, buckling parts 322 is replied in the presence of preloading spring 34, and guiding groove 3101 is returned back to closed state；
When needing to release safety belt out of guiding groove 3101, the press surface 331 of button 33 is forced in, makes button 33 downwards, button 33
Lower pushing surface 3321 acts on the pushing and pressing face 3242 for pushing against block 324, pushes against block 324 and rotates, so that the buckling parts of shoulder belt closing piece 32
322 rotate, and guiding groove 3101 is switched to open state, now just can take out safety belt from guiding groove 3101；Above-mentioned knot
Structure is very simple, when safety belt is in guiding groove 3101, is limited by buckling parts 322, thus will not be from guiding groove 3101
Skid off so that use is safer, and the pressing action of button 33 just can complete the rotation of buckling parts 322, and operation is very easy, closing
During state, buckling parts 322 by preloading spring 34 power, thus buckling parts 322 be difficult loosen and fail.
Lower position on shoulder belt guide 31 in the present embodiment in guiding groove 3101 has accommodating cavity 3102, in guiding
When groove 3101 is in closed state, one end of buckling parts 322 enters in accommodating cavity 3102 and its end is against accommodating cavity 3102
On the wall of front end.Because the one end fits of buckling parts 322 are in accommodating cavity 3102, and accommodating cavity 3102 is located at guiding groove 3101
Lower section, thus guiding groove 3101 is when being in closed state, completely without gap between buckling parts 322 and guiding groove 3101, it is ensured that
The security used.The position relationship of accommodating cavity 3102 and guiding groove 3101 in the present embodiment, and buckling parts 322 and accommodating cavity
The cooperation of 3102 front end wall, those skilled in the art are with reference to accompanying drawing it is understood that thus here is omitted.
Shoulder belt guide 31 in the present embodiment has hollow installation portion 311, and button 33 is arranged on the installation portion 311
It is interior, guide groove 3111 is offered on installation portion 311, the surface of button 33 axially has the projection 333 of strip along it, and the projection 333 is matched somebody with somebody
Close in guide groove 3111 so as to the rotation of limit button 33.Guide groove 3111 and the cooperation of projection 333, can prevent button 33 from rotating,
Ensure the normal work of button 33.
Corresponding mounting post 3103 is respectively arranged with shoulder belt guide 31 and buckling parts 322 in the present embodiment, in advance
The two ends of tight spring 34 are set in the two mounting posts 3103.Preloading spring 34 is difficult to fail because of displacement.
The front end of limited post 312, limited post 312 and accommodating cavity 3102 is provided with shoulder belt guide 31 in the present embodiment
Wall plays position-limiting action to the forward and reverse rotation of buckling parts 322 respectively.Thus preloading spring 34 can be prevented by excessive pressure
Contracting is stretched, so as to cause preloading spring 34 to fail.
The quantity of shoulder belt guider 3 in the present embodiment is 2 groups, and is symmetrically mounted on the headrest 12 of child safety seat
Both sides.
The preparation method of automobile safety seat for child, it is characterised in that comprise the following steps：
（1）One coupling arrangement 2 is provided, the rotor 213 of crocodile nozzle assembly 21 is arranged in housing 111 and and acting device
214 coordinate, and pedestal 23 is arranged in base 22, and securing rod 24 is respectively fitting into guide groove 221 and is oriented in groove 231,
Gear lever 25 is connected with crocodile nozzle assembly 21, gear lever 25 is coordinated by its gear groove 251 and securing rod 24；
（2）One head rest adjusting device 1 is provided, the connecting portion 121 of headrest 12 is inserted into the accommodating chamber 111 of the chair back 11, then
The chair back 11 and headrest 12 are relatively fixed by retaining mechanism 13；
（3）Shoulder belt guider 3 is provided, shoulder belt guider 3 is fixed on headrest 12；
（4）The chair back 11 of head rest adjusting device 1 is connected with the base 22 of coupling arrangement 2.
The coupling method of coupling arrangement 2, comprises the following steps in automobile safety seat for child：
（1）Force in pedestal 23 and slide pedestal 23, securing rod 24 is raised to the top for being oriented to groove 231, now
Just the connection of securing rod 24 and gear groove 251 is relieved；
（2）Regulation stall bar 25 removes the force to pedestal 23 to desired location, and pedestal 23 is replied, and securing rod 24 falls after rise,
And coordinate with corresponding gear groove 251；
（3）Steel shaft on automobile is caught in the neck 2131 of rotor 213, and continues to press on rotor 213 and rotate so that latch segment
2142 turn to and are caught in lock slots 2132 from the position that face 2133 offsets of loosening with rotor 213 so that rotor 213 is relative
It is fixed, so that steel shaft be locked.
Furthermore, it is necessary to explanation, the specific embodiment described in this specification, is named the shape of its parts and components
Title etc. can be different, and the above content described in this specification is only that structure of the present invention and accompanying drawing example are said
It is bright.Equivalence changes or simple change that all construction, feature and principles according to described in inventional idea of the present invention are done, include
In in the protection domain of patent of the present invention.Those skilled in the art can be to described specific embodiment
Make it is various modification supplement or using similar mode substitute, without departing from the present invention structure or surmount this power
Scope defined in sharp claim, all should belong to protection scope of the present invention.
Claims (2)
1. a kind of automobile safety seat for child, including head rest adjusting device and coupling arrangement；The head rest adjusting device includes
For children lean on the chair back, for limiting child head move headrest and for limit headrest relative to the chair back movement locking machine
There is the accommodating chamber offered in a connecting portion for being used to be connected with the chair back, the chair back for accommodating connecting portion, even on structure, headrest
Socket part is plugged in accommodating chamber and can make displacement along accommodating chamber, and side of the accommodating chamber on the moving direction of connecting portion is opened
Mouthful；It is characterized in that：
The coupling arrangement includes crocodile nozzle assembly, base, pedestal, securing rod, connecting tube and gear lever；The gear lever and crocodile mouth
Component is connected, and gear lever is slidably connected with base and can be accommodated in base, has some gear grooves on gear lever, described
Securing rod coordinates with gear groove；There is guide groove, securing rod coordinates in guide groove and can only moved along guide groove on the base
It is dynamic；The pedestal is slidably mounted in base, has the symmetrically arranged two groups guiding grooves being obliquely installed on the pedestal,
The guiding groove is inclined to set relative to the motion track of pedestal, and the two ends of the securing rod are respectively fitting into above-mentioned two groups
Be oriented to groove in, when pedestal move, can make securing rod its be oriented to groove top or bottom switching so that securing rod and
Gear groove is separated or engaged；Crocodile nozzle assembly is connected with connecting tube and can rotated with respect to connecting tube；
The crocodile nozzle assembly includes housing, rotating shaft, rotor and acting device；On the housing have one with automobile
The chute that ISOFIX steel shafts coordinate, the side opening of the chute toward housing is set；The rotor is rotatably connected by rotating shaft
In housing, the neck for locking ISOFIX steel shafts is provided with the rotor, is existed when neck is rotated with rotor relative to chute
Changed between one latched position and an off-position, the acting device is connected with rotor and controls its neck in latched position and release
Put change between position；
The acting device includes release contiguous block and latch segment, and the release contiguous block is slidably mounted in housing, institute
State latch segment to be connected on release contiguous block and controlled to move by release contiguous block, there is a lock slots and one on the rotor
Individual to loosen face, in latched position, latch segment is caught in lock slots, at off-position, and latch segment is moved with release contiguous block
And deviate from from lock slots, and it is against the loosening on face of latch segment；
The housing includes crocodile muzzle, crocodile mouth seat and end cap, and the crocodile mouth seat coordinates in crocodile muzzle and forms both sides opening
Structure, end cap covers the open-mouth of side wherein, and rotor is then located at opposite side；
Coupling arrangement also includes attachment screw, and the end cap includes curved body, and body is fitted with one end of crocodile muzzle；Institute
State and locating piece is provided with body, there is the groove matched with locating piece on the crocodile mouth seat；Connection is set on the body
Piece, the bottom surface of the bottom surface of the crocodile muzzle, connection sheet and crocodile mouth seat is set gradually, and the attachment screw sequentially passes through crocodile muzzle
Three is simultaneously fixedly connected by bottom surface, the bottom surface of connection sheet and crocodile mouth seat；
The retaining mechanism, which includes two groups of symmetrically arranged latch segments and one group, to be used to latch segment is adjusted to locked position or put
Offered on the actuation mechanism of loose position, latch segment in the locating groove that opening points to the side wall of accommodating chamber, the accommodating chamber
Both sides are symmetrically arranged with some positioning card articles, positioned at accommodating chamber one side on positioning card article on the moving direction of connecting portion successively
Set, the locating groove is matched with positioning card article；
Locating slot is offered on the connecting portion, the actuation mechanism includes guide plate and handle, and the guide plate slides coordinate
In locating slot and handle is set to be exposed on the outside of accommodating chamber, the guide plate to offer on guiding skewed slot, described latch segment and have
There is the lead coordinated in skewed slot is oriented to；
The mounting groove for installation locking block is provided with the connecting portion, transverse direction of the mounting groove along connecting portion is set, locking
Block is arranged in mounting groove and can make displacement along mounting groove；
The locating groove of the latch segment is formed by two groups of limited posts and a bottom surface, and the sidepiece of connecting portion, which is offered, makes latch segment
Limited post be exposed to through hole outside connecting portion and the confined planes of position-limiting action played to bottom surface；
Coupling arrangement also includes the shoulder belt guider being fixed on headrest；The shoulder belt guider include shoulder belt guide,
Guiding groove is offered on shoulder belt closing piece, button and preloading spring, the shoulder belt guide；
The shoulder belt closing piece includes a central siphon being hinged in shoulder belt guide and one rotates around the central siphon and makes guiding
The axially arranged cooperation along central siphon is offered in the buckling parts that groove is changed in closed state and open state incision, the central siphon
There is an abutting block along the axially arranged of central siphon on hole, the inwall of the mating holes, the abutting block is concentric with central siphon including one
Circular arc top surface and a pushing and pressing face；
The button is arranged on shoulder belt guide and coordinated including a press surface being exposed to outside shoulder belt guide and one
Have on lower push-rod between circular arc top surface and mating holes, the lower push-rod under an axial screw setting along lower push-rod
Pushing surface, the lower pushing surface and pushes against the pushing and pressing face of block and matches and simultaneously shoulder belt closing piece can be made to rotate, so that guiding groove is from closing
State switches to open state；
The preloading spring is arranged between buckling parts and shoulder belt guide, and buckling parts is carried when guiding groove is closed state
For pretightning force；
Lower position on the shoulder belt guide in guiding groove has accommodating cavity, when guiding groove is in closed state, fastens
The one end in portion enters in accommodating cavity and its end is against on the front end wall of accommodating cavity.
2. a kind of preparation method of automobile safety seat for child as claimed in claim 1, it is characterised in that including following step
Suddenly：
（1）One coupling arrangement is provided, the rotor of crocodile nozzle assembly is arranged in housing and coordinated with acting device, pedestal is installed
In the base, securing rod is respectively fitting into guide groove and be oriented in groove, gear lever is connected with crocodile nozzle assembly, gear lever leads to
Its gear groove is crossed with securing rod to coordinate；In locked position, the positioning card article in the locating groove and accommodating chamber of latch segment coordinates,
So that the position of connecting portion is relatively fixed, in release position, the locating groove of latch segment is deviate from from positioning card article, so that
Make connecting portion freely slidable；
（2）One head rest adjusting device is provided, the connecting portion of headrest is inserted into the accommodating chamber of the chair back, then by retaining mechanism by chair
The back of the body and headrest are relatively fixed；
（3）Shoulder belt guider is provided, shoulder belt guider is fixed on headrest；The preloading spring be arranged on buckling parts and
Between shoulder belt guide, and pretightning force is provided to buckling parts when guiding groove is closed state；When safety belt is caught in during guiding groove,
Force in safety belt, safety belt is pushed away on buckling parts, rotates buckling parts so that safety belt can from buckling parts and guiding groove it
Between gap in snap onto in guiding groove, when removing the force, buckling parts is replied in the presence of preloading spring, and makes guiding groove
Return back to closed state；When needing to release safety belt out of guiding groove, the press surface of button is forced in, makes button down, button
Lower pushing surface act on push against block pushing and pressing face, push against block rotate so that shoulder belt closing piece buckling parts rotate, cut guiding groove
Open state is shifted to, just safety belt can now be taken out from guiding groove；Said structure is very simple, and safety belt is in guiding groove
When middle, limited, thus will not be skidded off from guiding groove by buckling parts so that use is safer, and the pressing action of button just may be used
The rotation of buckling parts is completed, operation is very easy, during closed state, buckling parts is by the power of preloading spring, thus buckling parts is not
Easily loosen and fail；
（4）The base of the chair back of head rest adjusting device and coupling arrangement is connected；
Coupling method in the coupling arrangement comprises the following steps：Force in pedestal and slide pedestal, make securing rod lifting
To the top for being oriented to groove, the connection of securing rod and gear groove is now just relieved；Regulation stall bar is removed pair to desired location
The force of pedestal, pedestal is replied, and securing rod falls after rise, and is coordinated with corresponding gear groove；Steel shaft on automobile is caught in the card of rotor
Groove, and continue to press on rotor rotation so that latch segment loosens during the position that face offsets turns to and be caught in lock slots from rotor,
So that rotor is relatively fixed, so that steel shaft be locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261860.5A CN104875634B (en) | 2015-05-21 | 2015-05-21 | Automobile safety seat for child and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261860.5A CN104875634B (en) | 2015-05-21 | 2015-05-21 | Automobile safety seat for child and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104875634A CN104875634A (en) | 2015-09-02 |
| CN104875634B true CN104875634B (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510261860.5A Active CN104875634B (en) | 2015-05-21 | 2015-05-21 | Automobile safety seat for child and preparation method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6770794B2 (en) * | 2015-09-04 | 2020-10-21 | ニューウェルブランズ・ジャパン合同会社 | Seat structure for childcare equipment |
| CN109833059B (en) * | 2017-08-17 | 2023-09-29 | 无锡祥生医疗科技股份有限公司 | Portable ultrasonic equipment |
| CN107638256B (en) * | 2017-11-08 | 2024-03-01 | 南京康尼机电股份有限公司 | Chassis box body of wheelchair |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7124479B2 (en) * | 2004-06-17 | 2006-10-24 | Coastal Pet Products, Inc. | Snap hook |
| CN201923067U (en) * | 2011-01-26 | 2011-08-10 | 浙江万里安全器材制造有限公司 | Switch device of safety belt height adjuster |
| CN202294368U (en) * | 2011-09-15 | 2012-07-04 | 宁波大功婴童用品有限公司 | Automobile child safety seat |
| CN103241148B (en) * | 2012-02-06 | 2015-10-07 | 宝钜儿童用品香港股份有限公司 | Child safety seat fixed mechanism |
| CN103253163B (en) * | 2013-04-17 | 2015-09-30 | 宁波环球娃娃婴童用品有限公司 | A kind of ISOFIX system of child's safety seat for vehicle |
| CN203528340U (en) * | 2013-08-19 | 2014-04-09 | 好孩子儿童用品有限公司 | Connector of automobile safety child seat |
| CN204895201U (en) * | 2015-05-21 | 2015-12-23 | 杭州龙生儿童用品有限公司 | Children use vehicle security seat chair |
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