CN109177826A

CN109177826A - Children car seat with passive protective device

Info

Publication number: CN109177826A
Application number: CN201811061772.0A
Authority: CN
Inventors: 贺新军; 高翔
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2018-09-12
Filing date: 2018-09-12
Publication date: 2019-01-11

Abstract

The invention discloses a child car seat with a passive protection device, comprising a seat body and a connecting frame for connecting with a car, the passive protection device is arranged on the seat body, and the connecting frame includes a fixed frame A fixing frame connected to the seat body, an interface frame fixedly connected to the rear of the fixing frame through a connecting piece, and the connecting piece has an initial position on the fixing frame and a changeover caused by an automobile collision. triggering position, the child car seat further includes a triggering device for triggering the passive protection device based on a triggering signal, the triggering device is connected with the connecting piece and is converted from the initial position to the triggering when the connecting piece is The trigger signal is issued when the position is reached. The trigger structure of the mechanical structure is not only low in cost, but also high in reliability, which improves the safety of children using the child car seat.

Description

Children car seat with passive protective device

Technical field

The present invention relates to a kind of children car seats with passive protective device.

Background technique

It is widely used due to safety of the children car seat because can ensure children riding when, in use, by juvenile automobile Seat is fixedly mounted on car seat, and children rest on children car seat and fettered by safety belt assembly.However When actual collision occurs, the inertia force as caused by powerful impact force, the body of children still can turn forward, so on the one hand Often children's torso is caused to be damaged by powerful compressing due to the binding force of restraining, on the other hand also may be used Other interior articles can be struck because the amplitude of the body forward movement of children is excessive, cause the damage of children.

In view of this, there are also sent out by way of installing air bag so that colliding on children car seat at present Air bag inflation when raw and children are protected.However, when air bag is being triggered expansion, and how to trigger, this is all Work can be inflated in time after expansion occurs and protect to children by being closely related to air bag, influence multiplying for children Vehicle safety.

Summary of the invention

The object of the present invention is to provide a kind of children car seats with passive protective device, to improve children riding Safety.

In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of juvenile automobile with passive protective device Seat, the connection frame including seat body and for connecting with automobile, the passive protective device are set in the seat body, The connection frame include the fixed frame being fixedly attached in the seat body, be fixedly attached to by connector it is described solid Determine the interface shelf at frame rear portion, the connector causes the touching of conversion with initial position on the fixed frame and by car crass Position is sent out, the children car seat further includes the trigger device that the passive protective device is triggered based on trigger signal, described Trigger device is connect with the connector and the sending when the connector is converted by the initial position to the trigger position The trigger signal.

Preferably, the initial position is located at the front of the trigger position, and the automobile is when meeting with collision, the company Fitting and the fixed frame switch to the trigger position by the initial position with respect to sliding along the longitudinal direction.

Preferably, the connector is fixedly set on the interface shelf, is offered along the longitudinal direction on the fixed frame The guide groove of extension, when the connector is located at initial position, the connector is located at outside the guide groove；When the connection When part is converted by the initial position to the trigger position, the connector backs through the guide groove and reaches the touching Send out position.

Further, the notch height of the guide groove is less than the height of the connector.

Further, the mounting groove ordinatedly worn for the connector, the installation are also provided on the fixed frame Slot position in the guide groove front side and be connected with the guide groove, the corresponding initial bit in the position of the mounting groove It sets.

Further, the limiting slot ordinatedly worn for the connector, the limit are also provided on the fixed frame Slot position in the guide groove rear side and be connected with the guide groove, the corresponding trigger bit in the position of the limiting slot It sets.

As a preferred embodiment, the connector is columnar connecting shaft.

Preferably, the fixed frame, the interface shelf and the connector are rigid member.

Preferably, the passive protective device is the air bag for including airbag body, when the connector is in described When trigger position, the airbag body inflation.

Further, the air bag further includes the gas generator for supplying to the airbag body, the touching Transmitting apparatus includes the control switch for controlling the gas generator working condition, when the connector is in the initial bit When setting, the control switch is disconnected；When the connector is in the trigger position, the control switch closure, the gas Body generator inflates work to the airbag body.

Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages: of the invention has The automobile seat for child of passive protective device, wherein passing through the fixed frame and interface that are set as connecting by connector by connection frame Frame, when automobile, which is met with, to be collided, since inertia impact causes the relative displacement of fixed frame and interface shelf, so that connector is in fixation Position on frame changes, and trigger signal is issued and the change by the position, so that trigger device triggering is passive Protective device works and provides the protection of the child.Using the trigger architecture of this kind of mechanical structure, not only cost is relatively low, but also reliability It is higher, improve the safety that children use automobile seat for child to ride.

Detailed description of the invention

Attached drawing 1 is the schematic diagram of automobile seat for child of the invention；

Attached drawing 2 is the portion A enlarged diagram in Fig. 1；

Attached drawing 3 is the schematic illustration that connector triggers air bag work；

Wherein: 100, seat body；10, pedestal；20, shell；30, block；200, connection frame；

1, fixed frame；2, interface shelf；3, connector (connecting shaft)；4, guide groove；5, mounting groove；6, limiting slot；7, control switch； 8, gas generator；9, airbag body.

Specific embodiment

Technical solution of the present invention is further elaborated in the following with reference to the drawings and specific embodiments.

Referring to shown in Fig. 1 to Fig. 3, a kind of children car seat with passive protective device comprising seat body 100 With the connection frame 200 for connecting with automobile, passive protective device is set in seat body 100.Connection frame 200 includes fixedly The fixed frame 1 that is connected in seat body 100, the interface shelf 2 being fixedly attached to by connector 3 on fixed frame 1, connector 3 cause the trigger position b of conversion with initial position a on fixed frame 1 and by car crass.The children car seat further includes The trigger device of passive protective device is triggered based on trigger signal, the trigger device connect with connector 3 and connector 3 by Initial position a issues above-mentioned trigger signal when converting to trigger position b.

Specifically, seat body 100 is used to carry the shell 20, Yi Jike of children including pedestal 10, on pedestal 10 Releasably connect the block 30 on the housing 20 to form enclosing on front side of children's torso.Connection frame 200 is from after the bottom of pedestal 10 Portion extends back, and interface shelf 2 is equipped with ISOFIX connector, is connected by the ISOFIX interface on the ISOFIX connector and car seat It connects and automobile seat for child is fixedly connected on car seat.

Shown in Figure 2, initial position a is located at the front of trigger position b, when automobile, which is met with, to be collided, since inertia is made With, seat body 100 travels forward together with fixed frame 1, so that the opposite sliding along the longitudinal direction of connector 3 and fixed frame 1, thus So that connector 3 switches to trigger position b by initial position a.

Specifically, fixed frame 1, interface shelf 2 and connector 3 are rigid member, and connector 3 is fixedly set on interface shelf 2, The guide groove 4 extended along the longitudinal direction is offered on fixed frame 1, the notch height of the guide groove 4 is less than the height of connector 3, When connector 3 is in initial position a, connector 3 is located at outside guide groove 4；When connector 3 is converted by initial position a to triggering When the b of position, connector 3 squeezes backward and passes through guide groove 4 and reach trigger position b.

In the present embodiment, it is columnar connecting shaft 3 that connector 3, which uses, and the notch height of guide groove 4 is less than connecting shaft 3 Diameter.The mounting groove 5 and limiting slot 6 ordinatedly worn for connecting shaft 3 is also provided on fixed frame 1, mounting groove 5 is located at guiding The front side of slot 4 is simultaneously connected with guide groove 4, and limiting slot 6 is located at the rear side of guide groove 4 and is connected with guide groove 4, mounting groove 5 Position it is corresponding be initial position a, the position of limiting slot 6 it is corresponding be trigger position b.

In the present embodiment, it is the air bag for including airbag body 9 that passive protective device, which uses, which also wraps The gas generator 8 for supplying to airbag body 9 is included, trigger device includes for controlling 8 working condition of gas generator Control switch 7, when connecting shaft 3 is in initial position a, control switch 7 is disconnected, and gas generator 8 is not filled into airbag body 9 Gas；When connecting shaft 3 switches to trigger position b by initial position a caused by colliding because of automobile, control switch 7 is closed, gas Generator 8 inflates work into airbag body 9 so that airbag body 9 moment inflation and the protection of the child is provided.

In the present embodiment, airbag body 9 is set on block 30, can be set to the top of block 30, with the energy in inflation It is enough to expand rapidly and be covered on the upper surface of block 30, so that occupant hits when head caused by because of impact is swung forward What is hit is the inflatable air cushion of elasticity, to effectively be protected to the head of occupant, neck；Block can also be set to 30 bottom, with inflation when airbag body 9 can expand expansion and be covered on the lower surface of block 30, to be blocked in Between the lower part of block 30 and the both legs of occupant, to limit the forward displacement of occupant, further decrease or avoid to take Person automobile meet with enormous impact when caused by damage；It can also be set to the inside of block 30, made upward simultaneously in inflation Expansion expansion is unfolded with expansion downwards.

To sum up, automobile seat for child of the invention passes through the fixed frame 1 for being set as connecting by connector 3 by connection frame 200 With interface shelf 2, when automobile meet with collide when, since inertia impact causes the relative displacement of fixed frame 1 Yu interface shelf 2 so that company Position of the fitting 3 on fixed frame 1 changes and reaches trigger position b, and triggering letter is issued when reaching trigger position b Number, so that trigger device triggers passive protective device work according to the trigger signal and provides the protection of the child.The present invention The middle trigger architecture using this kind of mechanical structure, not only cost is relatively low, but also reliability is higher, improves children and uses children's vapour The safety that vehicle seat is ridden.

The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.

Claims

1. A child car seat with a passive protection device, comprising a seat body and a connecting frame for connecting with an automobile, the passive protection device being arranged on the seat body, and characterized in that: the connecting frame It includes a fixing frame fixedly connected to the seat body, an interface frame fixedly connected to the rear of the fixing frame through a connecting piece, and the connecting piece has an initial position on the fixing frame and is caused by an automobile collision The switched trigger position, the child car seat further includes a trigger device for triggering the passive protection device based on a trigger signal, the trigger device is connected with the connecting piece and is converted from the initial position to the desired connecting piece when the connecting piece is shifted from the initial position. The trigger signal is sent out when the trigger position is reached.

2 . The child car seat with passive protection device according to claim 1 , wherein the initial position is located in front of the trigger position, and when the car encounters a collision, the connecting member and the The fixing frame is relatively slid along the front-rear direction to switch from the initial position to the trigger position.

3 . The child car seat with passive protection device according to claim 1 , wherein the connecting piece is fixedly arranged on the interface frame, and the fixing frame is provided with a guide extending in the front-rear direction. 4 . When the connecting piece is located at the initial position, the connecting piece is located outside the guide groove; when the connecting piece is converted from the initial position to the triggering position, the connecting piece passes through the the guide groove to reach the trigger position.

4 . The child car seat with passive protection device according to claim 3 , wherein the height of the notch of the guide groove is smaller than the height of the connecting piece. 5 .

5 . The child car seat with passive protection device according to claim 3 , wherein the fixing frame is further provided with a mounting groove for the connecting piece to pass through, and the mounting groove is located in the The front side of the guide groove is communicated with the guide groove, and the position of the installation groove corresponds to the initial position.

6 . The child car seat with passive protection device according to claim 3 , wherein the fixing frame is further provided with a limit groove for the connecting piece to pass through, the limit groove is 6 . It is located on the rear side of the guide groove and communicated with the guide groove, and the position of the limit groove corresponds to the trigger position.

7 . The child car seat with passive protection device according to claim 3 , wherein the connecting member is a cylindrical connecting shaft. 8 .

8 . The child car seat with passive protection device according to claim 1 , wherein the fixing frame, the interface frame and the connecting piece are all rigid pieces. 9 .

9. The child car seat with passive protection device according to any one of claims 1 to 8, wherein the passive protection device is an airbag including an airbag body, and when the connecting member is in the triggering state When in position, the airbag body is inflated and expanded.

10 . The child car seat with passive protection device according to claim 9 , wherein the airbag further comprises a gas generator for supplying gas to the airbag body, and the trigger device comprises a gas generator for supplying gas to the airbag body. 11 . A control switch for controlling the working state of the gas generator, when the connector is in the initial position, the control switch is disconnected; when the connector is in the trigger position, the control switch is closed, and the The gas generator inflates the airbag body to work.