CN102848943B

CN102848943B - Wheeled automotive child safety seat

Info

Publication number: CN102848943B
Application number: CN201110181055.3A
Authority: CN
Inventors: 相阳
Original assignee: Individual
Current assignee: Fujian Meinkind Baby Products Co ltd
Priority date: 2011-06-30
Filing date: 2011-06-30
Publication date: 2015-07-01
Anticipated expiration: 2031-06-30
Also published as: CN102848943A

Abstract

A wheeled automotive child safety seat comprises a safety seat body, left and right armrests of the safety seat body, a wheeled support and an ISOFIX (international standards organization FIX) interface support. A front transverse beam and a rear transverse beam are arranged at the front and rear ends of the wheeled support respectively. A main beam body in an arc shape is arranged between the front beam and the rear beam. Two arc grooved slides are arranged in the left and right armrests of the seat body respectively. The main beam body of the wheeled support is disposed in the arc grooved slides and capable of sliding back and forth. A front groove is arranged on the seat body at the front end of each grooved slide, and a rear groove is arranged at the rear end of the seat body. An armrest rear gap space is arranged at the tail end of each armrest. A bottom groove for containing the ISOFIX interface support is arranged at the bottom of the seat body. The ISOFIX interface support is in a telescopic structure. The arc main beam of the wheeled support moves forward along the arc grooved slides to enable the seat to move with four wheels touching the ground, and the arc main beam of the wheeled support moves back to enable the seat to be fixed so that the arc main beam of the wheeled support can be disposed at a preset ISOFIX interface of the automotive seat through the ISOFIX interface support. Practicality and cost performance of the original wheeled automotive child safety seat are expanded, and new technological applications of automotive child safety seats are created.

Description

A kind of children automobile safety chair with wheels

Art

The present invention relates to a kind of child car safety chair, especially children automobile safety chair with wheels.

Background technology

At present, the design of normal children's automobile safety chair does not comprise the function of belt wheel movement, existing a small amount of design, adopt be wheel, chair be separated structure, the mode of operation of child car safety chair can not be adjusted easily, and have the shortcoming being difficult to deposit, limit the function of child safety chair; And known children automobile safety chair with wheels integral structure, a kind of children automobile safety chair with wheels disclosed in US2011/017180A 2, have employed gear cluster structure to change the position of chair wheel, in actual use, owing to there is lever stress phenomenon.Gear cluster structure will bear powerful impulsive force, has high requirement to the solidness of product, increases cost and workmanship requirement, there is potential safety hazard; And a kind of children automobile safety chair with wheels disclosed in another JP Laid-Open 6-144090A, have employed slide block structure and Tiebar structure, realize function wheeled stand being accommodated in safe chair inside, this technology is when operating on outside mobile working state, there is the potential safety hazard of crank, and slide block is as the strong point of chair body weight, easily occur the phenomenon that wearing and tearing are skidded, potential safety hazard is higher; And two kinds of technology are in car during using state, safe chair chair body is directly placed on automotive seat, causes wearing and tearing to automotive seat.

Summary of the invention

The object of the present invention is to provide a kind of unit design scheme of children automobile safety chair with wheels, wheeled stand agrees with at the logical safe chair chair body of peace inner, and the position of conveniently adjusted wheeled stand, reach the mode of operation changing child car safety chair, make it in the mobile and convenient switching of stationary state, the function of child safety chair can be extended.

In order to solve aforementioned technical problem, the present invention solves old problem by the following technical solutions:

A kind of children automobile safety chair with wheels of the present invention, is made up of safe chair chair body and left and right handrail thereof, wheeled stand, ISOFIX interface cradle, it is characterized in that:

Respectively there are front-wheel and trailing wheel in the girder rear and front end, left and right of wheeled stand, has the horizontal wheel carrier back rest in the rear end of wheeled stand, and have horizontal wheel carrier front-axle beam in the Lve Hou position, front end of wheeled stand, the girder main body between wheel carrier front-axle beam and the wheel carrier back rest is circular shape; Respectively have the groove slide rail of a circular arc in the handrail inside, left and right of chair body, the left and right wheel carrier arc girder of wheeled stand is arranged on the arc groove slide rail inside of left and right handrail separately; There is horizontal chair body forward recess at the front end place chair body of groove slide rail, have horizontal chair groove after one's death in the rear end of chair body, spatial gap after the end of left and right handrail has handrail; Have the bottom groove holding ISOFIX interface cradle bottom chair body, ISOFIX interface cradle is Collapsible structure.Aforementioned wheel carrier arc girder is identical with the radian of aforementioned left and right handrail inner arc connected in star slide rail, and wheel carrier arc girder main body can arcuately groove slide rail arc slide anteroposterior.

Aforementioned wheel carrier arc girder is when arcuately groove slide rail slide rearwardly to the limit, and it is inner that wheel carrier front-axle beam is contained in chair body forward recess, and the now equal ground connection of front and back wheel, child car safety chair is in mobile working state.

Aforementioned wheel carrier arc girder is when arcuately groove slide rail forward slip is to the limit, the wheel carrier back rest is contained in chair inside grooves after one's death, now trailing wheel is positioned at breach rear after handrail, wheeled stand and front-wheel play independent support effect to downward-extension, now child car safety chair is steady job state, is arranged on the default ISOFIX interface of automobile seat by aforementioned ISOFIX interface cradle.

Aforementioned ISOFIX interface cradle is telescopic shaft structure, end has ISOFIX interface, and have interface cradle crossbeam to connect between two sleeves, front end is fixed on bottom chair, aforementioned wheel carrier back rest turnover chair after one's death groove time, ISOFIX interface cradle is shunk to avoid wheel carrier back rest path of motion.

The aforementioned wheel carrier back rest and chair after one's death groove can omit, and now ISOFIX interface cradle can be regular length structure.

To old product than ever, the present invention has mobile and fixes two kinds of mode of operations, the range of use of child car safety chair be extend to the broad space of automobile external from automotive interior, and structure is simple, extends practicality and the cost performance of existing product.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the present invention is further described.

Fig. 1 is the structural representation under the released state of the embodiment of the present invention.

Fig. 2 is the lateral plan of chair body part of the present invention.

Fig. 3 is the upward view of Fig. 2.

Fig. 4 is the structural representation of ISOFIX interface cradle of the present invention.

Fig. 5-6 is combination schematic diagrams of chair body of the present invention and ISOFIX interface cradle.

Fig. 7 is the mobile working stated integer structural representation of the embodiment of the present invention.

Fig. 8 is the three-dimensional view under Fig. 7 using state.

Fig. 9 is the steady job stated integer structural representation of the embodiment of the present invention.

Figure 10 is using state reference diagram under Fig. 9 state.

Figure 11 of the present inventionly takes turns holder locking apparatus.

1. chair body, 2. handrails, 3. arc groove slide rail in figure, 4. breach after handrail, 5. chair groove after one's death, 6. bottom groove, 7. ISOFIX interface cradle, 8. rack beam, 9. telescopic shaft, 10. wheeled stand, the 11. wheel carrier back rest, 12. trailing wheels, 13. front-wheels, 14. wheel carrier front-axle beams, 15. chair body forward recess, 1001. wheel carrier arc girders.

Detailed description of the invention

The specific embodiment of the present invention is described in further detail below in conjunction with accompanying drawing:

As shown in the structural representation under the released state of Fig. 1 embodiment of the present invention, the present invention is made up of safe chair chair body 1 and left and right handrail 2, wheeled stand 10 and ISOFIX interface cradle 7, respectively there are front-wheel 13 and trailing wheel 12 in the girder rear and front end, left and right of wheeled stand 10, the horizontal wheel carrier back rest 11 is had in the rear end of wheeled stand 10, have horizontal wheel carrier front-axle beam 14 in the Lve Hou position, front end of wheeled stand 10, the wheel carrier arc girder 1001 between wheel carrier front-axle beam 14 and the wheel carrier back rest 11 is circular shape; Respectively have the groove slide rail 3 of a circular arc in left and right handrail 2 inside of chair body, the radian of this groove slide rail 3 is identical with wheel carrier arc girder 1001, and arc girder 1001 can be arranged on inner space along groove slide rail 3 and slide anteroposterior,

There is horizontal chair body forward recess 15 at the front end place chair body 1 of groove slide rail 3, have horizontal chair groove 5 after one's death in the rear end of chair body 1, spatial gap 4 after the end of left and right handrail 2 has handrail; Have bottom chair body and hold ISOFIX interface cradle 7

Bottom groove 6, ISOFIX interface cradle 7 front end be the telescopic shaft structure 9 be fixed on bottom chair, end has ISOFIX interface, has interface cradle crossbeam 8 to connect between two sleeves 9.

In Fig. 2, indicate the interior spatial structure of groove slide rail 3 with dotted line, the encirclement structure that inner space is large, outside opening is little can avoid wheeled stand 10 to come off; Meanwhile, the outside opening of groove slide rail 3 is also non-essential, structure as more fastening in demand, and groove slide rail 3 can adopt full structure of surrounding, and to be now included in handrail 2 inner and do not expose for wheeled stand 10 entirety.

In Fig. 2, the position of groove slide rail 3 and chair body forward recess 15, chair groove 5 and opening thereof is after one's death positioned at on same camber line.

In Fig. 3, bottom groove 6 is arranged at the bottom of chair body 1, and the middle part of bottom groove 6 is through to be moved forward and backward for rack beam 8.

In Fig. 4, ISOFIX interface cradle 7 front end is telescopic shaft structure 9, and end has ISOFIX interface, has interface cradle crossbeam 8 to connect between two sleeves 9, and the normality of ISOFIX interface cradle 7 is elongation state.

In Fig. 5, telescopic shaft structure 9 is fixed on the front end of bottom groove 6, and the rack beam 8 of the ISOFIX interface cradle 7 of elongation state withstands in the rear portion projection of bottom groove 6, and now the ISOFIX interface of ISOFIX interface cradle 7 end extends seat outside.

In Fig. 6, ISOFIX interface cradle 7 withdrawn forward under external force, now the ISOFIX interface of ISOFIX interface cradle 7 end inside contracts, and chair after one's death groove 5 and opening thereof exposes.

As shown in Figure 7, wheeled stand 10 is arranged on the integral structure in the middle of chair body 1, and it is inner that wheel carrier arc girder 1001 is arranged on groove slide rail 3, and wheeled stand 10 slide rearwardly to wheel carrier front-axle beam 14 and is contained in chair body forward recess inside 15 in this condition,

The now equal ground connection of front and back wheel, child car safety chair is in mobile working state, and now schematic perspective view of the present invention as shown in Figure 8.

In Fig. 9, aforementioned strip wheel support 10 is when arcuately groove slide rail 3 forward slip is to the limit, the wheel carrier back rest 11 is contained in chair, and groove 5 is inner after one's death, now trailing wheel 12 is positioned at breach 4 rear after handrail, wheeled stand 10 and front-wheel 13 play independent support effect to downward-extension, now child car safety chair is steady job state, and be arranged on the default ISOFIX interface of automobile seat by aforementioned ISOFIX interface cradle, now using state as shown in Figure 10.

When the different conditions of Fig. 7 and Fig. 9 switches, need by ISOFIX interface cradle 7 withdrawn forward, with the opening part making ISOFIX interface cradle 7 get out of the way chair groove 5 after one's death, groove 5 is inner after one's death to make the wheel carrier back rest 11 can pass in and out chair.

In above embodiments of the invention, if wheeled stand 10 eliminates the wheel carrier back rest 11 structure, then ISOFIX interface cradle 7 can change fixed sturcture into, and chair after one's death groove 5 also can omit, at this moment child car safety chair structure is a kind of simplified structure of the present invention, is suitable for category when still belonging to the present invention, but this simplified structure reduces overall safety, therefore, only property for referencial use explanation.

The present invention in actual applications, for wheeled stand 10 in the different position of arc groove slide rail 3, be necessary to increase blocking device to improve safety and practicality further, because blocking device has multiple ready-made and published design in prior art, and the change of blocking device can't affect actual techniques feature of the present invention, wherein a kind of design plan is provided in Figure 11, understand for helping and improve embodiments of the invention explanation, wherein, blocking device is positioned at below chair body forward recess 15, there is spring the locking tongue rear end of blocking device, under the action of the spring, locking tongue extends forward and blocks wheel carrier front-axle beam 14, reach the object of locking strip wheel support 10, when applying external force and making locking tongue to after contraction, wheel carrier front-axle beam 14 can leave chair body forward recess 15, now wheeled stand 10 can forward slip.

In above-mentioned detailed description of the invention of the present invention, describe for simplifying, eliminate other accessories of child car safety chair, as safety strap and various securing device, control apparatus etc., main body only for wheeled stand and child safety chair has done necessary elaboration, the ISOFIX interface cradle adopted also is based on most basic design, but to the increase of above-mentioned each parts and amendment, supporting technology feature of the present invention can't be affected, therefore, embodiment of the present invention basis increases other design structures, or make further hardness design for the connection mode of support and child safety chair, and adopt different blocking devices, ISOFIX interface cradle structure, category is suitable for according to still belonging to the present invention.

In the present invention, child car safety chair is by the mode of the embedded wheeled stand that slides, be provided with mobile and fix two kinds of mode of operations, the range of use of child car safety chair be extend to the broad space of automobile external from automotive interior, and structure is simple, extend practicality and the cost performance of existing product, for the new technology of bringing of child car safety chair is applied.

Claims

1. a children automobile safety chair with wheels, be made up of safe chair chair body and left and right handrail thereof, wheeled stand, ISOFIX interface cradle, respectively there are front-wheel and trailing wheel in the girder rear and front end, left and right of wheeled stand, has the horizontal wheel carrier back rest in the rear end of wheeled stand; Have horizontal wheel carrier front-axle beam in the Lve Hou position, front end of wheeled stand, the girder main body between wheel carrier front-axle beam and the wheel carrier back rest is circular shape; The bottom groove holding ISOFIX interface cradle is had bottom chair body, ISOFIX interface cradle is Collapsible structure, child car safety chair can be arranged on the default ISOFIX interface of automobile seat by ISOFIX interface cradle when steady job state, it is characterized in that:

Respectively have the groove slide rail of a circular arc in the handrail inside, left and right of chair body, the left and right arc girder of wheeled stand is arranged on the arc groove slide rail inside of left and right handrail separately; There is horizontal chair body forward recess at the front end place chair body of groove slide rail, have horizontal chair groove after one's death in the rear end of chair body, spatial gap after the end of left and right handrail has handrail;

Arc girder is identical with the radian of aforementioned left and right handrail inner arc connected in star slide rail, and arc girder main body can arcuately groove slide rail arc slide anteroposterior;

Arc girder is when arcuately groove slide rail slide rearwardly to the limit, and it is inner that wheel carrier front-axle beam is contained in chair body forward recess, the now equal ground connection of front and back wheel, and child car safety chair is in mobile working state;

Arc girder is when arcuately groove slide rail forward slip is to the limit, the wheel carrier back rest is contained in chair inside grooves after one's death, now trailing wheel is positioned at breach rear after handrail, and wheeled stand and front-wheel play independent support effect to downward-extension, and now child car safety chair is steady job state.