CN216886375U

CN216886375U - Side impact protection device and child safety seat

Info

Publication number: CN216886375U
Application number: CN202220351553.1U
Authority: CN
Inventors: 赵春耕; 蓝晓艳; 丁鹏飞
Original assignee: Anhui Yongchi Baby Safety Technology Co ltd
Current assignee: Anhui Yongchi Infant Technology Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-07-05
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses a side impact protection device and a child safety seat, which comprise a base and a movable impacted buffer block, wherein the base is fixedly arranged on a seat side wing; the rear end of the collided buffer block rotates up and down relative to the base, so that the placing plate is inserted between the upper placing groove and the lower placing groove back and forth, and when the placing plate is inserted into the lower placing groove, the collided surface protrudes outwards so as to be stressed preferentially during collision, and the protection effect is achieved; when the shelving plate is inserted into the upper shelving groove, the collided buffer block is retracted; the side impact protection device is simpler in structure and quicker to operate.

Description

Side impact protection device and child safety seat

Technical Field

The utility model relates to a child safety seat, in particular to a side impact protection device of the child safety seat, which can effectively buffer side impact force when a side impact happens to an automobile.

Background

The child safety seat is specially designed for children with different weights (or age groups), is arranged in an automobile and can effectively improve the riding safety of the children. For example, in the case of emergency braking or forward collision of an automobile, the child safety seat can reduce the punching force on the child and effectively prevent the body of the child from moving forward rapidly, so that secondary collision is avoided.

However, when the automobile is involved in a side collision, the child safety seat in the prior art only depends on the backrest wing and the headrest wing to protect the body and the head of the child, and the protection strength is relatively weak.

The application publication number is CN 105329121A's side collision protection mechanism, including side direction protection piece and protection component, the one end pin joint of side direction protection piece in the flank, the protection component sets up in the other end of side direction protection piece with sliding, and side direction protection piece can pivot between user state and receipts state, and when side direction protection piece pivot was kept away from the flank and was in user state, the lateral part of protection component protrusion side direction protection piece and between the flank with the side direction protection piece, when side direction protection piece pivot to hug closely the flank and was in the receipts state, the protection component was received in the lateral part of side direction protection piece. When the vehicle collides, the lateral protection block collides with the vehicle body firstly, so that the safety of children is better protected.

The side impact protection mechanism has a complex structure and high cost.

Disclosure of Invention

In view of the problems of complex structure and high cost of the side impact protection mechanism in the prior art, the utility model aims to provide a side impact protection device and a child safety seat with few parts and simple structure.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the side impact protection device is characterized by comprising a base and a movable impacted buffer block, wherein the base is fixedly arranged on a seat side wing, the front end of the base is provided with a placing plate, the front end of the impacted buffer block is provided with an upper placing groove and a lower placing groove, and the rear end of the impacted buffer block is rotatably and axially connected to the base;

in a storage state, the placing plate is inserted into the upper placing groove, and the impacted surface of the impacted buffer block is flush with the reference surface of the base;

in a use state, the placing plate is inserted into the lower placing groove, a collision surface of the collision buffer block obliquely protrudes out of the reference surface, a certain included angle is formed between the collision surface and the reference surface, and the collision surface is used as a stress surface for bearing a vehicle body when the vehicle body collides.

The further preferable technical scheme of the utility model is as follows: a concave cavity for accommodating the collided buffer block is arranged in the base, and the collided buffer block is accommodated in the concave cavity of the base in the accommodating state; when the anti-collision buffer block is in a use state, the collided buffer block protrudes out of the concave cavity of the base.

The further preferable technical scheme of the utility model is as follows: the reference surface on the base is approximately a plane, and the collision surface of the collision buffer block is a plane.

The further preferable technical scheme of the utility model is as follows: and a tension spring is arranged between the collided buffer block and the base, and the tension spring can elastically switch the upper shelving groove and the lower shelving groove of the collided buffer block and the shelving plate on the base so as to further switch the use state and the storage state of the collided buffer block.

The further preferable technical scheme of the utility model is as follows: the middle part of the collided buffer block is provided with a first spring connecting plate close to the rear part, the front end of the base is provided with a second spring connecting plate, and the tension spring is connected between the first spring connecting plate and the second spring connecting plate.

The further preferable technical scheme of the utility model is as follows: the concave cavity is shallow at the back and deep at the front in the base, and the collided buffer block is thin at the back and thick at the front;

when the collided buffer block is switched in a rotating mode, the rear end of the collided buffer block is always located in the rear end of the cavity, and the front end of the collided buffer block is accommodated or protrudes from the front end of the cavity.

The further preferable technical scheme of the utility model is as follows: the side wall of the rear end of the concave cavity of the base is provided with an axle connecting hole, and two sides of the rear end of the collided buffer block are provided with axle connecting salient points inserted into the axle connecting hole.

The further preferable technical scheme of the utility model is as follows: and the rear ends of the base concave cavity and the collided buffer block are provided with limiting structures so as to limit the rotation of the collided buffer block in the concave cavity.

The further preferable technical scheme of the utility model is as follows: when the impacted buffer block is stored, a distance is reserved between the front end of the impacted surface of the impacted buffer block and the front end of the concave cavity, so that a concave area is formed above the placing plate and is used for manually pulling the impacted buffer block.

The further preferable technical scheme of the utility model is as follows: the back of the base is provided with a connecting base, and the connecting base is provided with a screw post for connection.

Another subject is: child safety seat, including seat support and back of the chair, the back of the chair includes two flanks, install in the flank outside the side hits protection device.

Compared with the prior art, the side impact protection device has the advantages that the side impact protection device comprises a base and an impacted buffer block which are matched with each other, the front end of the impacted buffer block is provided with an upper shelving groove and a lower shelving groove, correspondingly, the front end of the base is provided with a shelving plate, the rear end of the impacted buffer block rotates up and down relative to the base so as to enable the shelving plate to be inserted between the upper shelving groove and the lower shelving groove back and forth, when the shelving plate is inserted into the lower shelving groove, the impacted surface protrudes outwards so as to be stressed preferentially during impact, and therefore the protection effect is achieved; when the shelving plate is inserted into the upper shelving groove, the collided buffer block is retracted; the side impact protection device is simpler in structure and quicker to operate.

Drawings

FIG. 1 is a schematic view of the overall construction of a child safety seat;

FIG. 2 is a schematic front view of a child safety seat;

FIG. 3 is a schematic front view of a second child safety seat;

FIG. 4 is a schematic view showing a side impact protection device in use;

FIG. 5 is a schematic view illustrating a storage state of the side impact protection device;

FIG. 6 is a schematic view of a partial structure of a side impact protection device;

FIG. 7 is a second partial schematic structural view of the side impact protection device;

FIG. 8 is a back schematic view of the side impact protection device;

fig. 9 is a sectional view showing a storage state of the side impact protection device;

FIG. 10 is a cross-sectional view showing a side impact protection device in a switching state;

FIG. 11 is a sectional view showing a side impact protector in use;

FIG. 12 is a schematic view of a side impact protection device base structure;

FIG. 13 is a schematic view of the overall structure of the crash cushion;

fig. 14 is a schematic view of the overall structure of the tension spring.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the utility model.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

As shown in fig. 1 to 3, which are schematic views of a child safety seat 100 in the present embodiment, the child safety seat 100 includes a seat 20 and a backrest 10, the backrest 10 includes two side wings 12, the side wings 12 are close to the inner wall of the vehicle body, and when the vehicle body is in an accidental collision, the side wings 12 easily collide with the inner wall of the vehicle body, so the present technical concept considers that a side collision protection device 30 is installed outside the side wings 12. The concrete structure is as follows:

referring to fig. 4 and 5, which are schematic views of the side impact protection apparatus 30 of the present invention in the deployed and stowed positions, respectively, the side impact protection apparatus 30 includes a base 31 for fixed mounting to the seat side wing 12 and a movable crash cushion 32.

The base 31 comprises a reference surface s1 which faces the vehicle body after being installed, and a concave cavity h0 for accommodating the bump stop 32 is arranged in the base 31; the crash cushion 32 includes a crash surface s2 facing the vehicle body.

As shown in fig. 6 to 13, the rear end of the crash cushion 32 is rotatably journaled on the base 31, the front end of the crash cushion 32 is provided with an upper resting groove h1 and a lower resting groove h2, and the front end in the cavity h0 of the base 31 is provided with a resting plate f.

As shown in fig. 9, when the upper resting groove h1 of the crash cushion 32 is restricted by the resting plate f in the stored state, at which time the crash cushion 32 is accommodated in the cavity h0 of the base 31, the crashed surface s2 of the crash cushion 32 is flush with the reference surface s1 of the base 31.

As shown in fig. 10, when it is necessary to switch the position of the crash cushion 32, an external force may be applied to the crash cushion 32 in the direction of the shaft-end and upward to rotate the crash cushion 32 and lift it, and finally the resting plate f is inserted into the lower resting groove h 2.

As shown in fig. 11, in the deployed state, that is, in the use state, when the lower resting groove h2 of the crash cushion 32 is restricted by the resting plate f, the crash cushion 32 protrudes out of the cavity h0 of the base 31, and the crash surface s2 of the crash cushion 32 protrudes obliquely out of the reference surface s1, and at this time, the crash surface s2 forms an angle with the reference surface s1, and the crash surface s2 serves as a force receiving surface for receiving a vehicle body crash. As shown in fig. 3, when the side flap 12 collides with the inner wall of the vehicle body, the bump stopper 32 can first collide with the inner wall of the vehicle body to perform a cushioning function.

The side impact protection device has the advantages that the side impact protection device 30 comprises a base 31 and an impacted buffer block 32 which are matched with each other, an upper holding groove h1 and a lower holding groove h2 are arranged at the front end of the impacted buffer block 32, correspondingly, a holding plate f is arranged at the front end of the base 31, the rear end of the impacted buffer block 32 rotates up and down relative to the base 31, so that the holding plate f is inserted between the upper holding groove and the lower holding groove back and forth, when the holding plate f is inserted into the lower holding groove h2, an impacted surface s2 protrudes outwards so as to be stressed preferentially during impact, and therefore the protection effect is achieved; when the resting plate f is inserted into the upper resting groove h1, the collided buffer block 32 is retracted; the side impact protection device 30 is simpler in structure and faster to operate.

On the other hand, the crash cushion 32 serves as a primary cushion for vehicle crash, and if the crash cushion 32 is damaged by the crash, the vehicle body further hits the base 31 of the side impact protection device 30, and the base 31 serves as a secondary cushion; secondary crash cushion further increases the safety of the seat body.

The reference surface s1 on the base 31 is substantially planar, and the impact surface s2 of the impact cushion 32 is planar. As shown in fig. 5, the impact surface s2 of the impact bumper 32 is flush with the reference surface s1 of the base 31 to form a relatively flat and continuous surface for greater integrity and integrity.

Preferably, a first restriction member v1 extends downward from the upper portion of the outer edge of the notch of the lower resting groove h2, and a second restriction member v2 extends upward from the outer end of the resting plate f, and when the resting plate f is inserted into the lower resting groove h2, the first restriction member v1 and the second restriction member v2 restrict each other to prevent the resting plate f from being separated from the lower resting groove h 2. And in this use state, the lower end face of the first restricting member v1 rests on the upper surface of the resting plate f.

More specifically, a tension spring r is provided between the crash cushion 32 and the base 31, and the tension spring r elastically switches between the upper resting groove h1 and the lower resting groove h2 of the crash cushion 32 and the resting plate f on the base 31 to further switch the crash cushion 32 between the use state and the storage state.

During installation, a first spring connecting plate r1 is arranged at the position, close to the rear, of the middle of the collision buffer block 32, a second spring connecting plate r2 is arranged at the front end of the base 31, and the tension spring r is connected between the first spring connecting plate r1 and the second spring connecting plate r 2.

The upper wall part of the upper shelving groove h1 formed by the impacted buffer block 32 extends outwards for one end distance to form a toggle piece, when the multifunctional desk is operated, a user can toggle the toggle piece of the impacted buffer block 32, and the shaft end is used as a rotation point to apply acting force upwards and outwards to the impacted buffer block 32 and enable the impacted buffer block to be lifted upwards until the shelving plate f is aligned to the lower shelving groove h2, the external force is removed at the moment, the impacted buffer block 32 can move inwards under the action of the resilience force of the tension spring r until the shelving plate f is clamped into the lower shelving groove h2, and the impacted buffer block 32 is in an unfolded state.

Preferably, the cavity h0 in this embodiment is shallow at the back and deep at the front in the base 31, and the bump stop 32 is thin at the back and thick at the front; when the collision buffer block 32 is switched to rotate, the rear end of the collision buffer block 32 is always positioned in the rear end of the cavity h0, and the front end of the collision buffer block 32 is accommodated or protruded at the front end of the cavity h 0.

As for the shaft coupling fixing structure of the crash cushion 32 and the base 31, as shown in fig. 12 and 13, the rear end side wall of the base cavity h0 is provided with a shaft coupling hole t2, and both sides of the rear end of the crash cushion 32 are provided with shaft coupling bosses t1 inserted into the shaft coupling hole. Preferably, the coupling hole t2 is a waist-shaped coupling hole, and the coupling bump t can rotate in the coupling hole t2 and can move back and forth for a certain distance.

Preferably, a restraining formation g is provided at the rear end of the base pocket h0 and the crash cushion 32 to restrain the crash cushion 32 from rotating within the pocket h 0. As shown in fig. 9 to 11, the restraining structure g includes a restraining bar g1 at the rear end of the cavity h0 of the base 31, a longitudinal restraining plate g2 at the rear end of the crash cushion 32, and a lateral restraining plate g 3. In the process of actually applying an external force to rotate the impacted buffer block 32, as shown in fig. 10, the limiting strip g1 abuts against the longitudinal limiting plate g2, so that the impacted buffer block 32 can be prevented from moving backwards too much, the limiting strip g1 abuts against the transverse limiting plate g3, so that the impacted buffer block 32 can be prevented from lifting upwards too much, and the resting plate f can be aligned with the lower resting groove h2 more quickly, so that the quickness of state switching of the impacted buffer block 32 is improved.

When the crash cushion 32 is stored, the front end of the crash surface s2 of the crash cushion 32 is spaced apart from the front end of the cavity h0 to form a depressed region f0 above the resting plate f, and the front wall forming the depressed region f0 has an inclined surface to enlarge the caliber of the depressed region f0 for the purpose of pulling the crash cushion 32 for hand operation. And the inclination direction of the inclined plane is consistent with the partial action direction of the acting force, so that the human-computer cooperation efficiency is improved.

A connection base 40 is provided behind the base 31, and a screw post 41 for connection is provided on the base 40. The chassis 31 is secured to the side wings 12 by screw posts 41.

The utility model aims to explain that the side impact protection device 30 comprises a base 31 and an impacted buffer block 32 which are mutually matched, wherein the front end of the impacted buffer block 32 is provided with an upper laying groove h1 and a lower laying groove h2, correspondingly, the front end of the base 31 is provided with a laying plate f, the rear end of the impacted buffer block 32 rotates up and down relative to the base 31 so as to enable the laying plate f to be inserted between the upper laying groove and the lower laying groove back and forth, and when the laying plate f is inserted into the lower laying groove h2, an impacted surface s2 protrudes outwards so as to be stressed preferentially during impact, thereby achieving the protection effect; when the resting plate f is inserted into the upper resting groove h1, the collided buffer block 32 is retracted; the protrusion and the accommodation of the collision buffer block 32 can be realized by matching the upper and lower placing grooves with the placing plate f of the base 31, and the reset automation of the collision buffer block 32 is improved and the protrusion and the accommodation state of the collision buffer block 32 are kept by the tension spring r.

Further, the collision buffer block 32 is used as the primary buffer for vehicle collision, if the collision buffer block 32 is damaged due to collision, the vehicle body further collides with the base 31 of the side collision protection device 30, and then the base 31 is used as the secondary buffer; secondary crash cushion further increases the safety of the seat body.

And the side impact protection device 30 has fewer overall parts, ingenious structure, lower production cost and easy popularization.

The side impact protection device and the child safety seat provided by the utility model are described in detail, and the principle and the implementation mode of the utility model are explained by applying specific examples, and the description of the examples is only used for helping to understand the utility model and the core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The side impact protection device is characterized by comprising a base and a movable impacted buffer block, wherein the base is fixedly arranged on a seat side wing, the front end of the base is provided with a placing plate, the front end of the impacted buffer block is provided with an upper placing groove and a lower placing groove, and the rear end of the impacted buffer block is rotatably and axially connected to the base;

2. The side impact protection device of claim 1, wherein said base defines a cavity for receiving said crash cushion, said crash cushion being received within said base cavity in a stowed position; when the anti-collision buffer block is in a use state, the collided buffer block protrudes out of the concave cavity of the base.

3. The side impact protection device of claim 1, wherein the reference surface on the base is substantially planar and the impact surface of the impact bumper is planar.

4. The side impact protection device of claim 1, wherein a tension spring is disposed between the crash cushion and the base, and the tension spring can elastically switch between the upper and lower resting grooves of the crash cushion and the resting plate on the base, so as to further switch between the use state and the storage state of the crash cushion.

5. The side impact protection device of claim 4, wherein a first spring connecting plate is arranged at a position near the rear of the middle part of the impacted buffer block, a second spring connecting plate is arranged at the front end of the base, and the tension spring is connected between the first spring connecting plate and the second spring connecting plate.

6. The side impact protection device of claim 2, wherein said cavity is shallow at the back and deep at the front in the base, and said crash cushion is thin at the back and thick at the front;

7. The side impact protection device of claim 1, wherein the rear end side wall of the cavity of the base is provided with an axle connecting hole, and the rear end of the impacted buffer block is provided with axle connecting bumps at both sides thereof for being inserted into the axle connecting hole.

8. The side impact protection device of claim 7, wherein said base cavity and a rear end of said crash cushion are provided with limiting structure to limit rotation of said crash cushion within said cavity.

9. The side impact protection device of claim 1, wherein the front end of the impact surface of the impact bumper is spaced from the front end of the cavity when the impact bumper is received to form a recessed area above the resting plate for manually pulling the impact bumper.

10. The side impact protection device of claim 1, wherein a connection base is provided at the back of the base, and a screw post for connection is provided on the connection base.

11. Child safety seat, characterised in that it comprises a seat and a back, said back comprising two lateral wings, outside which are mounted side impact protection means according to any one of claims 1 to 10.