CN103025570B

CN103025570B - Children's seat

Info

Publication number: CN103025570B
Application number: CN201180036312.2A
Authority: CN
Inventors: 中川治; 吉积礼
Original assignee: Takata Corp
Current assignee: Japan Co Ltd
Priority date: 2010-07-24
Filing date: 2011-05-25
Publication date: 2016-05-04
Anticipated expiration: 2031-05-25
Also published as: WO2012014559A1; KR20140005129A; KR101807636B1; JP5603694B2; CN103025570A; JP2012025289A

Abstract

To via limiting unit, infant being limited on the strengthening part that the back side of the shell in seat cushion and arm (11), base (12), pars intermedia (13) that bottom keeps become one, the base support (20) with the supported foot in two ends (22) is installed. The mounting means of corresponding children's seat (1) on seat and base support (20) is rotated and Shi Gai foot (22) moves along the outward flange of strengthening part, thereby be arranged on the mode on seat forward and be arranged on each modes such as mode on seat bottom surface of suitable a part (12a, 13a) the formation children's seat (1) by the foot (22) of base support (20) and the edge part of strengthening part mutually backwards, realized stability when children's seat (1) is fixed on seat.

Description

Children's seat

Technical field

The present invention relates to a kind of children's seat, for the health of security limitations infant in vehicle,Be arranged on suitable state on the seat of vehicle etc.

Background technology

In the past, the infant's who took in vehicle for security limitations health and use child seatChair. Children's seat corresponding objects infant's body weight, roughly the age and according to benchmark decide toThe installation method of seat.

For example, in existing benchmark (EC benchmark), specify following situation: to object baby childrenYoungster's underweight 13kg(was about from the stage at neonate's to 9 monthly age) till, children's seatBe installed to backwards on seat; Afterwards, to about 4 years old (stage of body weight 13 to 18kg)Till during in, install and use forward. Therefore, make from about neonate to 4 year old in hypothesisWith children's seat in, in each mounting means for by the stable children's seat seat that is installed to,Carry out various research.

For example, in the children's seat of advanced specification, children's seat main body is via leaning device quiltRemain on the relatively large base of being close to chair top. In this children's seat, changingTowards and be positioned over and on the base on seat, use leaning device, can correspondence forward, backwardsSet respectively suitable angle of inclination and fixing child seat Deng mounting means, and can guarantee suitablyInfant's restriction posture.

In above-mentioned children's seat, the part number that forms leaning device is many, and manufacturing cost is high.And, be not subject to install towards the stable large-scale base affecting because having, so children's seatWeight is also heavier. With respect to this, propose for the children's seat as universal product is stablizedBe installed to the various schemes of seat.

The exploitation main points of the children's seat of universal product are, on each installation site, guarantee childrenThe bottom surface of seat is larger. As the children's seat that is conceived to this point, following scheme is proposed (speciallyProfit document 1): make detachable block foot's correspondence freely install towards and rotate around drive-connecting shaft,To change its position.

And, the scheme (patent documentation 2) of following children's seat has also been proposed: effectively preventThe head-on crash producing because of forward time revolves forward children's seat centered by fixing point front endTurn, and also can guarantee that the bottom surface of children's seat is larger while arranging backwards.

Prior art document

Patent documentation

Patent documentation 1: Japanese Patent Publication 6-7972 communique

Patent documentation 2: TOHKEMY 2006-151299 communique

Summary of the invention

The problem that invention will solve

Disclosed at patent documentation 1, change 2 block foots towards and with children's seatIn the spare seat of the change correspondence of installation site, the end face of rib 43 for the phase of foot 51Opposite 53, inclined plane 55 butts and there is par 45,46, and must be inner being addedStrong structure. And foot 51 is independent setting on the assigned position of each rib 43, thereforeThe surrounding of the 2 place's otch 47 that embed for the engaging protrusion 56 of foot also needs abundant reinforcement.

So,, in the disclosed children's seat of patent documentation 1, need to make rib 43 guarantee to fillThe rigidity of dividing. Therefore, it is complicated that the internal structure of rib 43 becomes, and exists operations for forming also to become tiredDifficult problem.

On the other hand, in the disclosed children's seat of patent documentation 2, feet 6 has improved youngsterStability before the bottom of child seat, therefore have sufficient rigidity, but upper surface is as productA part for product and exposing, so the upper surface of feet is processed into be connected with other positions flatSliding shape, and be formed for central leaning device to operate excavate portion etc. ButThat, for children's seat is arranged backwards, as shown in Figure 2, Figure 4 shows, this upper surface reverses and becomesFor bottom surface, form the bottom surface of children's seat together with the 2nd abutting part 4b. Therefore, make this portionUnder the state of part reversion, as shown in Figure 2, though can guarantee contact-making surface on the seat, childrenThe flatness of the bottom surface of seat cannot be guaranteed.

Therefore, deficient in stability in the time of fixing child seat. And the parts of reversion overlapOn base, therefore the chair top of children's seat uprises, and infant gets on or off the bus and becomes effort, also depositsProblem in this use.

Therefore, the object of the invention is to solve above-mentioned problems of the prior art, provideA kind of children's seat, it can utilize the rib structure of the arm shape forming on existing children's seat substantially,Regardless of install towards, all can guarantee the stable state that arranges.

For the means of dealing with problems

For achieving the above object, the invention provides a kind of children's seat, possess: shell, baby childrenThe side that youngster takes one's seat is covered by seat cushion, via limiting unit, infant is limited in to above-mentioned seatIn seat cushion; And strengthening part, the back side and the bottom that keep this shell; Described children's seat warpBe fixed on seat by seat harness, it is characterized in that, above-mentioned strengthening part by from the back of the bodyFace side keeps 2 arms and the base being connected with this arm lower end via pars intermedia of above-mentioned shellForm, and, the base support of foot of the both sides of the main body of being integrally formed at there is with canThe mode axle rotating is supported between above-mentioned 2 arms, corresponding peace on above-mentioned seatDress mode, rotates above-mentioned base support and makes the outside of above-mentioned foot along above-mentioned strengthening partEdge moves, and is made up of and each peace a part for the edge part of above-mentioned foot and above-mentioned strengthening partThe bottom surface of the children's seat that dress mode is fitted mutually.

Preferred: above-mentioned mounting means is by being arranged on mode on above-mentioned seat and backwards forwardThe mode being arranged on above-mentioned seat forms, and in the mode of installing, makes above-mentioned pin forwardPortion is positioned at the rear end of above-mentioned base and forms the bottom surface of children's seat, in the mode of installing backwards,Above-mentioned base support is rotated, by the above-mentioned foot after movement and above-mentioned to above-mentioned arm lower end sideA part for the edge part of pars intermedia forms the bottom surface of children's seat.

Preferred: above-mentioned foot is the support with the edge part butt of above-mentioned strengthening part in inside formationRib, corresponding above-mentioned each mounting means rotates above-mentioned base support, and the ribs of above-mentioned foot is protectedHold the edge part of above-mentioned strengthening part, to bear a part of load that acts on children's seat.

Preferred: the ribs of above-mentioned foot keeps the edge of the arm wainscot of above-mentioned strengthening partA part for portion.

Preferred: above-mentioned base support forms rotational pin on the outer surface of aforementioned body, and with energyEnough mode axles rotating are supported on above-mentioned arm wainscot.

Invention effect

According to the present invention, in the part of parts for shell of strengthening children's seat, install compactSupport, thereby guarantee a part for the bottom surface of children's seat by the foot of this support, because ofThis plays and can children's seat easily be fixed in mode forward, backwards by simple meansTo the effect on seat.

Brief description of the drawings

Figure 1A is the rearview that represents children's seat of the present invention.

Figure 1B is the side view that represents children's seat of the present invention.

Fig. 2 A is the front view that represents the base support of assembling in children's seat of the present invention.

Fig. 2 B is the side view that represents the base support of assembling in children's seat of the present invention.

Fig. 2 C is the rearview that represents the base support of assembling in children's seat of the present invention.

Fig. 2 D is the partial sectional view that comprises the base support of assembling in children's seat of the present inventionAt interior side view.

Fig. 3 A represents the children's seat shown in Figure 1A and Figure 1B to be installed to vehicle seat forwardThe key diagram of the state of chair.

Fig. 3 B represents the children's seat shown in Figure 1A and Figure 1B to be installed to vehicle seat backwardsThe key diagram of the state of chair.

Fig. 4 A is shell and the arm representing by forming the children's seat shown in Figure 1A and Figure 1BPortion and be arranged on the base support of arm, the key diagram of the state that children's seat is kept forward.

Fig. 4 B is shell and the arm representing by forming the children's seat shown in Figure 1A and Figure 1BPortion and be arranged on the base support of arm, the key diagram of the state that children's seat is kept backwards.

Fig. 5 is the hold mode of the base support shown in Watch with magnifier diagram 4A and Fig. 4 B to armPartial enlarged drawing.

Reference numeral

1 children's seat

2 seat cushions

3 shells

10 strengthening parts

11 arms

11a arm outer panels

11b arm wainscot

12 bases

13 pars intermedias

20 base supports

21 rack bodies

22 foots

23 rotational pins

24 lock pins

25 ribs

Detailed description of the invention

Below, as the mode for implementing children's seat of the present invention, with reference to the accompanying drawings of withLower embodiment.

Embodiment

Figure 1A is the backsight that represents children's seat 1 of the present invention to be placed on the state on tabular surfaceFigure, Figure 1B is the side-looking that represents children's seat 1 of the present invention to be placed on the state on tabular surfaceFigure. This state is equivalent to the state of on seat, children's seat being installed conventionally forward. Figure1B represents that a side that the infant (not shown) of synthetic resin shell 3 processed takes one's seat is by seat cushion2 states that cover.

In the rear side of shell 3, as shown in Figure 1A, be provided with and add in the mode of supporting outer 3Strong parts 10. Strengthening part 10 is by supporting and be formed with the space that can receive infant from rear side2 arms 11 of shell 3 and in the bottom of each arm 11 by stable the shell of curve form 3The base 12 that is arranged on chair top form, they become one via pars intermedia 13,Play the effect of supporting outer 3. In addition, in Figure 1B, for safety belt is remained on normallyThe safety belt guiding elements of position etc., being arranged on the each parts on shell 3 and arm 11, is to simplifyAccompanying drawing and omitted diagram.

As shown in Figure 1B, the back side that strengthening part 10 is integrally formed in shell 3 longitudinally configuresArm 11, supporting outer 3 bottom base 12 and connect both pars intermedia 13, beWith entirety in lateral plan be roughly the naval stores of J-shaped shell 3 same materials, for example byThe products formeds such as polypropylene form.

As shown in Figure 1A, each arm 11 is by 2 outer panels 11a, 2 wainscot 11b and companyThe polylith rib 11c that connects them forms. Rib 11c along the length direction of arm 11 with predetermined distanceConfiguration, plays and makes outer panels 11a and the integrated effect of wainscot 11b, makes each arm 11 toolsThere are sufficient rigidity and intensity.

As shown in Figure 1B, the bottom surface 12a of base 12 is roughly plane, makes children's seat 1Can stably be placed on the chair top of seat. And base support 20 is via rotational pin23 and axle is supported in the wainscot 11b of the arm 11 of the position of pars intermedia 13. Base support 20In, one of its foot (formation aftermentioned) looks like shown in the each figure of Fig. 1, with the end of arm 11 lower endsSeat 12 bottom surface 12a roughly forms same plane, as a part for the bottom surface of children's seat 1Play a role.

At this, the formation of base support 20 is described with reference to the each figure of Fig. 2. Fig. 2 A is that base props upThe front view of frame 20, Fig. 2 B is the side view of base support 20, Fig. 2 C is base support 20Rearview, Fig. 2 D is the broken section comprising in the II d-II d line cross section of base support 20Figure is at interior side view. Base support 20 is by rack body 21 with in the both sides of rack body 21On face, integrated foot 22 forms. Rack body 21 and foot 22 by by exterior plate 21a,22a and the cancellate ribs 21b, the integrated synthetic resin of 22b that form thereinForming part forms. As resin optimization polypropylene etc., but as long as meet as base supportIntensity, durability etc. and aspect operations for forming, cost, be suitable material, also can makeUse various resin materials.

As shown in Fig. 2 A, Fig. 2 B, rack body 21 is by the side of observing from II b-IIb lineProfile in view is roughly trapezoidal flat box-shaped body and forms, its width as shown in Figure 1A,And the spacing between the wainscot 11b of 2 arms 11 equates substantially. Rack body 21 upperOn two side external surfaces of portion, be formed with: rotational pin 23, is the cylindrical protrusion shape of specified diameter, voidIntend ground and form turning cylinder; The lock pin 24 less than rotational pin 23 with diameter. Now, rack body21 have the width substantially equating with the degree being embedded between the wainscot 11b of 2 arms 11.Therefore, be formed at this rack body 21 two sides rotational pin 23 be formed at arm 11Wainscot 11b between the chimeric state of dead eye (not shown) under, as virtual turningMoving axis plays a role. The mode that rack body 21 rotates with the untie-sell 23 that can rotate is supported in 2Individual arm 11.

As shown in Figure 2 A, foot 22 is roughly trapezoidal box-shaped body structure by the profile in side viewBecoming, is at the integrated parts in the bottom, side of rack body 21. The width of foot 22 withWidth between the outer panels 11a of arm 11 and wainscot 11b is substantially equal. And, at pinRack body 21 1 sides of the inner space of portion 22, as shown in Fig. 2 C, Fig. 2 D, form shapeThe ribs 25 that shape is different from cancellate ribs 22b. This ribs 25 is (ginseng as described laterAccording to Fig. 5), under the holding state of base support 20, the lower end of the wainscot 11b of arm 11Be connected on the supporting surface of regulation, play the effect of supporting the load applying from arm 11. Therefore,The shape of ribs 25 children's seat 1 is arranged on forward the mode of seat and backwards installIn mode, be set as respectively a part and the arm 11 lower end butts of ribs 25. In this realityExecute in example, as shown in Figure 2 D, the shape of ribs 25 have 2 supporting surface 25a, 25b,In side view, be roughly the shape of S font. In addition, its shape is as long as can guarantee 2 places in functionSupport Position (face), can consider processability, intensity and suitably determine.

Lock pin 24 is located at the rotational pin 23 of side and the installation of foot 22 of rack body 21Between position, it is the cylindrical protrusion that diameter is less and more small-sized than rotational pin 23 than rotational pin 23.Lock pin 24 rotates base support 20 untie-sell 23 that rotates, and is turning to above-mentioned 2 place's support levelsWhile putting, chimeric with the retaining hole (not shown) that is formed at arm 11, play base support 20Be fixed on the effect of each Support Position. In addition, in the present embodiment, lock pin 24 props up at baseWhen frame 20 rotates, the inner surface butt of the front end of lock pin 24 and arm 11, makes arm 11Move when deflection slightly lower end, and chimeric in Support Position and retaining hole, becomes lockDetermine state.

Referring to Fig. 3 A, Fig. 3 B, to utilizing base support 20, children's seat 1 is installedThe mounting means towards being made as forward, backwards to seat describes. Each at Fig. 3In figure, and Figure 1B in the same manner, illustrates the outer panels 11a of arm 11 and base 12. ChildrenSeat 1 uses corresponding each seat and the seat harness equipped is secured on seat, but at thisIn figure, omit diagram for simplifying accompanying drawing.

For example, in the time that children's seat 1 is installed forward, and Figure 1B similarly, base support20 to be positioned at the bottom surface 22c of foot 22 and the bottom surface 12a of base 12 of base support 20 roughly neatFlat Support Position. Under this state, the back side of arm 11 and the backrest 51 of seat 50 are supportedConnect, use not shown safety belt that children's seat is fixed on seat 50.

On the other hand, in the time installing backwards, make base support 20 from the position of Figure 1B around rotationPin 23 rotates, and makes the front surface 22d of the foot 22 of base support 20 become new bottom surface. ThisTime, the pars intermedia between the lower end of arm outer panels 11a and arm outer panels 11a and base 1213 outward flange 13a flushes substantially, forms new bottom surface. Under this state, make children's seatFoot's one side of 1 and backrest 51 butts of seat 50, as shown in Figure 3 B, use not shownSeat harness is fixed to children's seat 1 on seat 50.

Foot's 22 support arms of base support 20 are then described with reference to Fig. 4 A, Fig. 4 B and Fig. 5The mode of a part of the wainscot 11b of portion 11. In two figure of Fig. 4, remove child seatThe seat cushion of chair 1, represents with arm 11 and the end along the IVa-IVa line section line of Figure 1AThe state of seat 12 supporting outers 3. Fig. 5 amplifies the each installment state (court that represents children's seat 1Before, backwards) under, in the foot 22 of arm 11 wainscot 11b and base support 20The position relationship of support rib 25.

The outer shape of the lower end of the wainscot 11b of arm 11 and the pars intermedia 13 of base 12 byIn rack body 21(Fig. 4, Fig. 5 with base for supporting support 20, represent with dummy line) turnThe edge part 14 of the roughly semi-circular shape centered by the dead eye of untie-sell 23 and with this edge part 14Edge part 15,16(Fig. 4 A, Fig. 4 B of the roughly V font that both sides are connected) form. In courtUnder the state (Fig. 4 A) of front installation, the ribs 25 of foot 22 and the downside of edge part 14The lower end butt of edge part 15 of roughly V font, a part for the load of children's seat 1 byFoot 22 supports. On the other hand, under the state (Fig. 4 B) of installing backwards, foot 22The upper side abuts of the edge part 16 of the roughly V font of ribs 25 and upside. On this positionWhile being installed on seat 50 backwards (Fig. 3 B), a part for the load of children's seat 1 is via armThe edge part 16 of the roughly V font of the wainscot 11b of portion 11 is passed to foot 22.

Fig. 5 is same for the hold mode of the base support 20 shown in key diagram 4A, Fig. 4 BThe illustrated key diagram of Shi Fang great. As mentioned above, under the state of installing forward, in arm 11The roughly V shaped edge edge 15 of panel 11b with load in the foot 22 of bottom bracket 20Mode and the ribs 25a of support rib 25a carry out butt, and load is passed to the pin of base support 20Portion 22. On the other hand, while installation backwards, bottom bracket 20 is rotated in the drawings upward,Remain on the position shown in Fig. 4 B by lock pin 24. Under this state, arm 11 largeCause the ribs 25b butt of the foot 22 of V shaped edge edge 16 and bottom bracket 20. At thisUnder state using the dummy line L along Fig. 3 B or Fig. 4 B towards as bottom surface, children being setWhen seat 1, be passed to base support 20 from the load of the arm 11 of children's seat 1Foot 22, is supported by the ribs 25b of foot 22, and other portions of ribs 25Position and bottom surface butt, from the load of children's seat 1 by the lower end of arm outer panels 11aBetween edge part 13a and the foot 22 of portion 13 bear.

For configuration shape, the thickness of the ribs 25 in the foot 22 of above-mentioned base support 20Deng, as long as load can be delivered to the shape of the abutting part of arm 11 1 sides smoothly, except figureBeyond embodiment shown in 5, certainly also can consider resistance to load, moulding easiness and suitably set.

And the shape of the base support 20 of the present embodiment is as shown in each figure of Fig. 2, but for exampleAlso the rotational pin 23 of alternative resin integrated moulding, and use the inner face that connects relative arm 11Rod iron between plate 11b, and two ends are carried out on the position of arm wainscot 11b with nutFixing. And, the also alternative lock pin mechanism chimeric with hole, and adopt fixed cell solidSurely arrive the lockable mechanism of notch etc. Further, the shape of foot 22 is as long as having and possessingParts that the ribs 25 of above-mentioned functions is suitable and can guarantee on the seat sufficient contact areaShape, size, can adopt various shapes.

Therefore, the present invention is not limited by above-described embodiment, can be in scope shown in each claimCarry out various changes. , in scope shown in claim, the technological means to suitable change is enteredThe embodiment of going combination and obtain is also included in the technical scope of the present invention.

The Japanese patent application 2010-166599 that the application proposed based on July 24th, 2010.In this manual, as with reference to introduced Japanese patent application 2010-166599 description,Claim scope and accompanying drawing.

Claims

1. a children's seat, possesses: shell, the side that infant takes one's seat is covered by seat cushionLid, is limited in infant in described seat cushion via limiting unit; And strengthening part, protectHold the back side and the bottom of described shell; Described children's seat is with by mounting means forward and peace backwardsThe mounting means that dress mode forms is fixed on seat via seat harness, its featureBe,

Described strengthening part is by keeping 2 arms of described shell from rear side and via pars intermediaThe base being connected with described arm lower end forms, at described 2 arms arm wainscot separatelyOuter rim form respectively 2 place's V-shape portions, and base support is in the both sides one of rack bodyBe formed with foot body, described foot have can corresponding described mounting means and with described V-arrangement2 supporting surfaces of the corresponding position butt in portion, the mode of described base support rotatingAxle is supported between described 2 arms,

Corresponding mounting means on described seat, rotates described base support and makes instituteState foot and move along the outward flange of described strengthening part, by described foot and described strengthening partThe part of edge part form the bottom surface of the children's seat of fitting mutually with each mounting means.

2. children's seat according to claim 1, is characterized in that,

In mounting means forward, make described foot be positioned at the rear end of described base and form childrenThe bottom surface of seat,

In mounting means backwards, described base support is rotated to described arm lower end side, byA part for described foot after movement and the edge part of described pars intermedia forms the end of children's seatFace.

3. children's seat according to claim 1 and 2, is characterized in that, described footForm in inside and the ribs of the edge part butt of described strengthening part, correspondingly pacify described in eachDress mode rotates described base support, and the ribs of described foot keeps described strengthening partEdge part, to bear a part of load that acts on children's seat.

4. children's seat according to claim 3, is characterized in that, described foot props upSupport rib keeps a part for the edge part of the arm wainscot of described strengthening part.

5. children's seat according to claim 1 and 2, is characterized in that, described baseSupport forms rotational pin on the outer surface of described main body, and supports with the mode axle that can rotateOn described arm wainscot.