CN217917699U

CN217917699U - Energy absorption device and child safety seat

Info

Publication number: CN217917699U
Application number: CN202221721254.9U
Authority: CN
Inventors: 侯仁恩
Original assignee: Guangdong Roadmate Group Co Ltd
Current assignee: Guangdong Roadmate Group Co Ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-29
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses an energy-absorbing device, include: a base; at least one buffer piece pivoted to the base, wherein the buffer piece can rotate to a receiving position or an unfolding position relative to the base; locate the locking mechanism between base and the bolster, locking mechanism include at least one latch and with at least one draw-in groove of latch cooperation joint, wherein, locking mechanism can lock the bolster in the expansion position. The bolster is rotatable to the position of expanding and locks through locking mechanical system, and when children's safety seat side received the impact, the bolster can bear the impact earlier to weaken the impact that children's safety seat side received, help protecting children better. The utility model discloses still disclose a children's safety seat who adopts above-mentioned energy-absorbing device, improved the shock resistance of children's safety seat side widely for children's safety seat's security performance is better.

Description

Energy absorption device and child safety seat

Technical Field

The utility model relates to a children's safety field, especially an energy-absorbing device and children's safety seat.

Background

It is known that, in order to protect a child during the traveling of a car, a user mounts a child safety seat on the car, in which the child is seated, so as to protect the child in the event of an accident such as a collision of the car. The existing child safety seats generally can better limit the forward and backward movement of a child, but because the side walls of the child safety seats are thin, the side surfaces of the child safety seats are impacted greatly when a side collision occurs to a car, and the protection for the child is still insufficient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an energy absorption device which can be installed on the side surface of the child safety seat and can weaken the impact on the side surface of the child safety seat; the utility model also provides an adopt the children's safety seat of above-mentioned energy-absorbing device, have the anti striking ability in stronger side.

In order to solve the technical problem, the utility model discloses a following technical scheme:

according to the utility model discloses an energy-absorbing device of some embodiments, include: the base is arranged on the outer side surface of the child safety seat; the buffer piece is pivoted to the base through a rotating shaft and can rotate to a storage position or an expansion position relative to the base; locking mechanism locates the base with between the bolster, locking mechanism include at least one latch and with at least one draw-in groove of latch cooperation joint, wherein, locking mechanism can with the bolster locks in the expansion position.

The utility model discloses energy-absorbing device of some embodiments's beneficial effect: because the bolster pin joint is on the base, when the base was installed in children's safety seat's the outside face, the bolster can rotate to the expansion position and lock through locking mechanical system, if children's safety seat side receives when assaulting, the bolster can bear the impact earlier to weaken the impact that children's safety seat side received, help protecting children better.

The utility model discloses an in some embodiments, the holding tank has been seted up to the base, the bolster is located during the storage position, at least part of bolster inlays the dress in the holding tank.

In some embodiments of the present invention, the holding groove is provided with a notch at a side wall thereof remote from the rotation axis.

In some embodiments of the present invention, the buffer member is pivotally connected to one end of the base.

The utility model discloses an in some embodiments, the quantity of bolster is two, two bolster one-to-one ground pin joint in the both ends of base, two the bolster is in during the storage position, two the mutual superpose of bolster, two the bolster is located during the expansion position, two the bolster outstanding in during the child safety seat lateral wall.

In some embodiments of the present invention, the number of the buffer members is two, two the buffer members are pivoted side by side in the middle of the base, two the buffer members are located when the position is unfolded, two the free ends of the buffer members abut against each other.

In some embodiments of the present invention, two of the buffers are located in the deployed position, and the free ends of the two buffers are fastened or connected to each other.

In some embodiments of the present invention, two free ends of the buffering members are provided with elastic hooks capable of mutually matching with each other, or two free ends of the buffering members are provided with magnets capable of cooperating with the magnetic attraction.

The utility model discloses an in some embodiments, the base is provided with the axis of rotation base, bolster one end is provided with axis of rotation atress seat, the axis of rotation base with axis of rotation atress seat round the axis of rotation rotates, locking mechanism locates the axis of rotation base with between the axis of rotation atress seat.

In some embodiments of the present invention, the fastening groove includes a first fastening groove formed on the base of the rotating shaft and a second fastening groove formed on the force-bearing seat of the rotating shaft, the latch is movably disposed on the rotating shaft, and the latch can move relative to the rotating shaft along the axial direction of the rotating shaft; when the first clamping groove and the second clamping groove are clamped with the clamping teeth, the buffer piece is locked at the accommodating position or the unfolding position; when the latch moves away from the first clamping groove or the second clamping groove, the buffer piece can rotate to the unfolding position or the accommodating position relative to the base.

In some embodiments of the present invention, the locking mechanism includes a release member movably installed on the base, and the release member can drive the latch to move away from the first slot or the second slot.

In certain embodiments of the present invention, the buffer member can be close to or away from the rotation shaft base along the axial movement of the rotation shaft.

In some embodiments of the present invention, one of the rotating shaft force-bearing seat and the rotating shaft base is provided with the slot, and the other is provided with the corresponding latch, when the buffer member moves to approach the rotating shaft base, the latch is latched with the slot, and the buffer member is locked at the accommodating position or the unfolding position;

in some embodiments of the present invention, when the buffer member moves away from the base of the rotation shaft, the latch and the slot are separated from each other, and the buffer member can rotate relative to the base.

According to the utility model discloses children's safety seat of some embodiments includes: the energy absorption device comprises a child safety seat body, wherein the energy absorption device is arranged on the outer side wall of the child safety seat body.

The utility model discloses an in some embodiments, the base inlay dress in the lateral wall of children's safety seat body, when the bolster is in the position of accomodating, the energy-absorbing device constitutes a part on children's safety seat body lateral wall surface.

In some embodiments of the present invention, the buffer member is rotated to the deployed position from the storage position, and the buffer member is turned over and protrudes from the outer side wall surface of the child safety seat body along the orientation in front of or behind the child safety seat body.

The utility model discloses children's safety seat's of some embodiments beneficial effect: by adopting the energy absorption device, the energy absorption device can absorb or weaken the impact on the side surface of the child safety seat, so that the impact resistance of the side surface of the child safety seat is greatly improved, and the safety performance of the child safety seat is better.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of an energy absorber device according to certain embodiments of the present invention;

FIG. 2 is a partially exploded schematic view of the energy absorber device shown in FIG. 1;

FIG. 3 is a schematic illustration of the energy absorber device shown in FIG. 1 mounted to a child safety seat with the bumper in the deployed position;

FIG. 4 is a schematic illustration of the energy absorber device shown in FIG. 1 mounted to a child safety seat with the bumper in the stowed position;

fig. 5 is a schematic structural view of an energy absorber according to an embodiment of the present invention;

FIG. 6 is a partially exploded schematic view of the energy absorber device shown in FIG. 5;

FIG. 7 is a schematic view of an energy absorber according to another embodiment of the present invention;

FIG. 8 is a schematic view of the internal structure of the energy absorber device shown in FIG. 7.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are three or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. The description of first, second, etc. if any, is for the purpose of distinguishing between technical features and not intended to indicate or imply relative importance or implicitly indicate a number of indicated technical features or implicitly indicate a precedence relationship of indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, an energy absorbing device according to some embodiments of the present invention is applied to a child safety seat, and includes a base 100 having a substantially rectangular shape, where the base 100 can be installed on an outer side surface of the child safety seat. The shape of the base 100 may also be circular, triangular, elliptical or other irregular shapes, and is not limited to the rectangular parallelepiped shape, and may be determined according to actual needs. The base 100 is pivotally connected with a buffer member 200, and the number of the buffer members 200 can be two or three or more according to the requirement, and can be specifically determined according to the actual requirement. In the present embodiment, the buffer 200 is pivotally connected to the base 100 through a rotating shaft 210, and the buffer 200 can rotate to a storage position or an expansion position relative to the base 100; when the buffer member 200 is located at the storage position, the free end of the buffer member 200 is close to the base 100, and when the buffer member 200 is located at the unfolding device, the free end of the buffer member 200 is far away from the base 100. The free end of the buffering member 200 refers to an end of the buffering member 200 away from the rotation shaft 210. A locking mechanism is arranged between the base 100 and the buffer member 200, and the locking mechanism includes at least one latch 310 and at least one slot engaged with the latch 310, wherein the locking mechanism can lock the buffer member 200 at the unfolding position.

Because the buffering element 200 is pivoted to the base 100, when the base 100 is installed on the outer side surface of the child safety seat, the buffering element 200 can be rotated to the unfolding position and locked by the locking mechanism, if the side surface of the child safety seat is impacted, the buffering element 200 can bear the impact first, so that the impact on the side surface of the child safety seat is weakened, and better protection of the child is facilitated.

Referring to fig. 1 to 4, in order to reduce the size of the energy absorbing device, in some embodiments of the present invention, an open receiving groove 110 is formed on the surface of the base 100, the buffer member 200 is pivotally connected to one end of the receiving groove 110 through a rotating shaft 210, and when the buffer member 200 rotates to the receiving position, at least a portion of the buffer member 200 is embedded in the receiving groove 110. In the present embodiment, when the buffering member 200 rotates to the receiving position, the buffering member 200 is completely embedded in the receiving groove 110, and at this time, the outer surface of the buffering member 200 is flush with the upper surface of the receiving groove 110 or the outer surface of the buffering member 200 is lower than the upper surface of the receiving groove 110. By adopting the structure, when the buffer member 200 is located at the storage position, the energy absorption device has smaller volume and is convenient to transport or store.

In order to facilitate the user to drive the buffer member 200 accommodated in the accommodating groove 110 to rotate, in some embodiments of the present invention, a groove wall of one side of the accommodating groove 110 away from the rotating shaft 210 is provided with a notch 111. When necessary, the user can insert a finger or a sharp component into the notch 111 and pry the buffering member 200 to rotate away from the accommodating groove 110, so that the operation is simpler and more convenient.

In some embodiments of the present invention, the number of the buffering members 200 is two, two buffering members 200 are pivoted to the two ends of the base 100 in a one-to-one manner, and when the two buffering members 200 are located at the accommodating position, the two buffering members 200 are stacked on each other, specifically, one buffering member 200 is attached to the base 100, and the other buffering member 200 is attached to the outer surface of the buffering member 200. When the two cushions 200 rotate to the unfolding position, the two cushions 200 protrude out of the outer side wall of the child safety seat. Therefore, when the side wall of the child safety seat is impacted by a foreign object, the foreign object is firstly abutted against the two buffering members 200, and then the two buffering members 200 can absorb or weaken the impact force.

Referring to fig. 7 and 8, in some embodiments of the present invention, the number of the buffering members 200 is also two, and the energy absorbing device of the present embodiment is different from the above embodiments in that the two buffering members 200 are pivoted in the middle of the base 100 side by side, and specifically, the two buffering members 200 are pivoted in the middle of the base 100 side by side through one rotation shaft 210, respectively. The two ends of the base 100 are respectively provided with a receiving groove 110, when the two buffering members 200 rotate to the receiving position, the two buffering members 200 are correspondingly embedded into the two receiving grooves 110, so that the energy absorbing device of the embodiment has a smaller volume and is convenient to store or transport, when the two buffering members 200 rotate to the unfolding position, the free ends of the two buffering members 200 are abutted against each other, and the free end of the buffering member 200 refers to the end of the buffering member 200 far away from the rotating shaft 210. In this embodiment, in order to facilitate the driving of the buffer member 200 to rotate from the receiving slots 110 to the extended position, the side walls of the ends of the two receiving slots 110 away from the rotating shaft 210 are both provided with notches 111, and when necessary, a user can insert a finger or a sharp component into the notch 111 and pry the buffer member 200 to rotate away from the receiving slots 110, which is more convenient to operate.

Wherein, in order to make two bolster 200 can bear bigger impact when expanding the position the utility model discloses an in some embodiments, when two bolster 200 were located the expansion position, the mutual lock joint of free end or the connection of two bolster 200. Specifically, the free ends of the two buffering members 200 are provided with elastic hooks (not shown), when the two buffering members 200 rotate around the rotating shaft 210 to the deployed position, the elastic hooks at the free ends of the two buffering members 200 are mutually matched and fastened, so that the two buffering members 200 are not easy to rotate to the storage position when bearing impact, and thus the energy absorbing device of the present embodiment can bear larger impact load.

It can be understood that the free ends of the two buffers 200 can also be provided with magnets (not shown), when the two buffers 200 rotate to the extended position around the rotation shaft 210, magnetic attraction is generated between the magnets at the free ends of the two buffers 200, and the free ends of the two buffers 200 are connected together through the magnetic attraction, so that the two buffers 200 are not easy to rotate to the storage position when bearing impact, and therefore the energy absorbing device of the embodiment can bear larger impact load.

Referring to fig. 1 and 2, in order to make the structure of the energy absorbing device simpler, in some embodiments of the present invention, the base 100 is provided with the rotation axis base 120, the buffer 200 one end is provided with the rotation axis force-receiving seat 220, the periphery of the rotation axis 210 is located with the rotation axis force-receiving seat 220 cover by the rotation axis base 120, i.e. the rotation axis base 120 and the rotation axis force-receiving seat 220 can rotate around the rotation axis 210, and the locking mechanism is located between the rotation axis base 120 and the rotation axis force-receiving seat 220.

Specifically, the locking mechanism includes at least one latch 310 and at least one slot engaged with the latch 310 in a matching manner, the slot includes a first slot 320 disposed on the rotation axis base 120 and a second slot (not shown) disposed on the rotation axis stress seat 220, the latch 310 is movably disposed on the rotation axis 210, and the latch 310 can move along the axial direction of the rotation axis 210 relative to the rotation axis 210, in this embodiment, the latch 310 is slidably inserted into the first slot 320 and the first slot 320 is engaged with the first slot, and the slot 310 can move along the axial direction of the rotation axis 210 to be close to or away from the rotation axis stress seat 220. When the buffer member 200 drives the rotating shaft stress base 220 to rotate to the storage position or the expansion position, the second clamping groove of the rotating shaft stress base 220 is aligned with the clamping tooth 310, the clamping tooth 310 can move axially along the rotating shaft 210 and be inserted into the second clamping groove, at the moment, the first clamping groove 320 and the second clamping groove are clamped with the clamping tooth 310, and the buffer member 200 is locked at the storage position or the expansion position by the locking mechanism; when the latch 310 is forced to move along the axial direction of the rotating shaft 210 and away from the second engaging groove, the latch 310 is disengaged from the second engaging groove, the latch 310 is no longer simultaneously engaged with the first engaging groove 320 and the second engaging groove, and the buffer member 200 can rotate to the unfolding position or the storage position relative to the base 100. It can be understood that the latch 310 may also be driven by a force to move along the axial direction of the rotating shaft 210 away from the first engaging groove 320, at this time, the latch 310 moves away from the first engaging groove 320, the latch 310 is no longer engaged with the first engaging groove 320 and the second engaging groove, and the buffer 200 can rotate to the unfolding position or the storage position relative to the base 100.

In some embodiments of the present invention, a compression spring 321 is disposed in the first engaging groove 320, the compression spring 321 is sleeved on the outer circumference of the rotating shaft 210, one end of the compression spring 321 abuts against the bottom wall of the first engaging groove 320, and the other end of the compression spring abuts against the latch 310. When the buffer member 200 drives the rotation axis stress base 220 to rotate to the storage position or the expansion position, the second clamping groove of the rotation axis stress base 220 is aligned with the clamping tooth 310 of the rotation axis base 120, the compression spring 321 can drive the clamping tooth 310 to move along the axial direction of the rotation axis 210 and insert into the second clamping groove, and at the moment, the clamping tooth 310 is clamped with the first clamping groove 320 and the second clamping groove at the same time, so that the locking mechanism automatically locks the buffer member 200 in the storage position or the expansion position.

Referring to fig. 1 and 2, in order to facilitate the user to unlock the locking mechanism, in some embodiments of the present invention, the locking mechanism further includes a release member 330 movably installed on the base 100, specifically, an installation channel 130 is opened at a position of a side wall of the base 100 corresponding to the rotation axis base 120, the rotation axis force-receiving seat 220 and the installation channel 130 are sequentially arranged along the axial direction of the rotation axis 210, the release member 330 is movably installed in the installation channel 130, the release member 330 can move along the axial direction of the rotation axis 210 and press the latch 310, at this time, the latch 310 moves along the axial direction of the rotation axis 210 to be away from the rotation axis force-receiving seat 220 and separate from the second slot, thereby unlocking the locking mechanism.

It is understood that in some embodiments of the present invention, the release member 330 can be disposed to be connected to the latch 310, so that when the user pulls the release member 330 to move away from the rotation shaft base 120 along the axial direction of the rotation shaft 210, the release member 330 can drive the latch 310 to move away and disengage from the first engaging groove 320, thereby unlocking the buffer member 200 by the locking mechanism.

Referring to fig. 5 and 6, in some embodiments of the present invention, the base 100 is provided with a rotation axis base 120, the clamping groove is disposed on the rotation axis base 120 and runs through the inner wall of the accommodating groove 110, and the center of the rotation axis base 120 is provided with a rotation axis 210 extending into the accommodating groove 110. One end of the buffer member 200 is provided with a rotating shaft force-bearing seat 220, the latch 310 is fixedly arranged on a side wall of the rotating shaft force-bearing seat 220, the latch 310 is slidably sleeved on the periphery of the rotating shaft 210, and the buffer member 20 can move along the axial direction of the rotating shaft 210 to be close to or far away from the rotating shaft base 120, in the process, the latch 310 can be correspondingly inserted into or separated from the clamping groove, so that the locking mechanism can lock or unlock the buffer member 200. In this embodiment, in order to enable the latch 310 to be automatically inserted into the slot when the buffer 200 rotates to the storage position or the expansion position, the compression spring 321 is further disposed in the locking mechanism accommodating slot 110, the rotation shaft 210 is sleeved with the compression spring 321, one end of the compression spring 321 abuts against the inner wall of the accommodating slot 110, and the other end of the compression spring 321 abuts against the buffer 200, when the buffer 200 rotates to the storage position or the expansion position, the compression spring 321 can drive the buffer 200 to drive the latch 310 to be automatically inserted into the slot, so that the buffer 200 is automatically locked by the locking mechanism. When the user needs to unlock the locking mechanism, the user only needs to apply force to push the buffer member 200 to move and extrude the compression spring 321 to contract, and at the moment, the latch 310 can be disengaged from the clamping groove, so that the locking of the locking mechanism is released, and the locking mechanism is simple in structure and convenient to operate.

It can be understood that, in some embodiments of the present invention, the base 100 is provided with the rotation axis base 120, the latch 310 is fixedly disposed on the rotation axis base 120 and located in the accommodating groove 110, and the center of the rotation axis base 120 is provided with the rotation axis 210 extending into the accommodating groove 110. One end of the buffer member 200 is provided with a rotation axis force-bearing seat 220, and the clamping groove is formed in a side wall of the rotation axis force-bearing seat 220 facing the clamping tooth 310. The rotation shaft stress base 220 is slidably sleeved on the periphery of the rotation shaft 210, and the buffer member 20 can move along the axial direction of the rotation shaft 210 to be close to or far away from the rotation shaft base 120, in this process, the latch 310 can be correspondingly inserted into or disengaged from the slot, so that the locking mechanism can lock or unlock the buffer member 200. In this embodiment, in order to enable the latch 310 to be automatically inserted into the slot when the buffer 200 rotates to the storage position or the expansion position, the compression spring 321 is further disposed in the locking mechanism accommodating groove 110, the rotation shaft 210 is sleeved with the compression spring 321, one end of the compression spring 321 abuts against the inner wall of the accommodating groove 110, and the other end of the compression spring 321 abuts against the buffer 200, when the buffer 200 rotates to the storage position or the expansion position, the compression spring 321 can drive the buffer 200 to move close to the rotation shaft base 120, in this process, the latch 310 is automatically inserted into the slot, so that the locking mechanism automatically locks the buffer 200. When a user needs to unlock the locking mechanism, the user only needs to apply force to push the buffer piece 200 to move and extrude the compression spring 321 to contract, at the moment, the latch 310 can be disengaged from the clamping groove, the locking of the locking mechanism is released, and the locking mechanism is simple in structure and convenient to operate.

Referring to fig. 1 to 8, the child safety seat according to some embodiments of the present invention includes a child safety seat body 400, and the outer sidewall of the child safety seat body 400 is configured with an energy absorption device. Specifically, the outer sidewall surface of the child safety seat body 400 is opened with a mounting position 410, and the base 100 is correspondingly mounted in the mounting position 410.

According to the child safety seat, the energy absorption device is adopted, so that the impact on the side face of the child safety seat can be absorbed or weakened, the impact resistance of the side face of the child safety seat is greatly improved, and the safety performance of the child safety seat is better.

In some embodiments of the present invention, when the buffer member 200 is rotated to the storage position, the surface of the energy-absorbing device is flush with the surface of the outer sidewall of the child safety seat 400, i.e. the energy-absorbing device forms a part of the surface of the outer sidewall of the child safety seat 400. When the cushion 200 rotates from the retracted position to the deployed position, the cushion 200 is turned over toward the front or the rear of the child safety seat body 400 and protrudes out of the outer sidewall surface of the child safety seat body 400.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An energy-absorbing device for a child safety seat, comprising:

a base (100) provided on the outer side surface of the child safety seat;

at least one buffer piece (200), wherein the buffer piece (200) is pivoted to the base (100) through a rotating shaft (210), and the buffer piece (200) can rotate to a storage position or an expansion position relative to the base (100);

the locking mechanism is arranged between the base (100) and the buffer piece (200), the locking mechanism comprises at least one latch (310) and at least one clamping groove which is matched and clamped with the latch (310),

wherein the locking mechanism is capable of locking the buffer (200) in a deployed position.

2. An energy absorbing device according to claim 1, wherein the base (100) defines a receiving slot (110), and the cushioning member (200) is at least partially inserted into the receiving slot (110) when the cushioning member (200) is in the receiving position.

3. An energy absorbing device according to claim 2, characterized in that the side of the receiving groove (110) facing away from the axis of rotation (210) is provided with a recess (111).

4. An energy absorbing device according to claim 1, characterized in that said bumper (200) is pivotally connected to one end of said base (100).

5. An energy absorbing device according to claim 1, wherein said number of said buffers (200) is two, two of said buffers (200) are pivoted to both ends of said base (100) in a one-to-one correspondence, said two buffers (200) are stacked on each other when said two buffers (200) are in said stowed position, and said two buffers (200) protrude from said child safety seat outer side wall when said two buffers (200) are in said deployed position.

6. An energy absorbing device according to claim 1, characterized in that said number of said buffers (200) is two, said two buffers (200) being pivotally connected side by side to a middle portion of said base (100), free ends of said two buffers (200) abutting each other when said two buffers (200) are in said deployed position.

7. An energy absorber according to claim 6, wherein the free ends of the two buffers (200) are fastened or connected to each other when the two buffers (200) are in the deployed position.

8. An energy absorbing device according to claim 7, characterized in that the free ends of the two buffering elements (200) are provided with elastic hooks which can be fitted and fastened with each other, or the free ends of the two buffering elements (200) are provided with magnets which can be coupled with magnetic attraction.

9. An energy absorber according to claim 1, wherein said base (100) is provided with a rotation axis base (120), said bumper (200) is provided with a rotation axis force-receiving seat (220) at one end, said rotation axis base (120) and said rotation axis force-receiving seat (220) rotate around said rotation axis (210), and said locking mechanism is disposed between said rotation axis base (120) and said rotation axis force-receiving seat (220).

10. The energy absorbing device according to claim 9, wherein the locking slot comprises a first locking slot (320) formed in the rotating shaft base (120) and a second locking slot formed in the rotating shaft force receiving seat (220), the latch (310) is movably disposed on the rotating shaft (210), and the latch (310) is capable of moving relative to the rotating shaft (210) along an axial direction of the rotating shaft (210); when the first clamping groove (320) and the second clamping groove are clamped with the clamping teeth (310), the buffer piece (200) is locked at the accommodating position or the unfolding position; when the latch (310) moves away from the first slot (320) or the second slot, the buffer (200) can rotate to the unfolding position or the accommodating position relative to the base (100).

11. An energy absorbing device according to claim 10, characterized in that the locking mechanism comprises a release member (330) movably mounted to the base (100), the release member (330) being capable of driving the latch (310) to move out of the first slot (320) or the second slot.

12. An energy absorbing device according to claim 9, characterized in that said bumper (200) is movable along the axial direction of said rotatable shaft (210) towards and away from said rotatable shaft base (120).

13. An energy absorber according to claim 9, wherein one of said force-receiving socket (220) and said base (120) is provided with said engaging slot, and the other is provided with said corresponding engaging tooth (310), and when said damper (200) is moved close to said base (120), said engaging tooth (310) engages with said engaging slot, and said damper (200) is locked in said retracted position or said extended position; when the buffer member (200) moves away from the rotating shaft base (120), the latch (310) and the clamping groove are separated from each other, and the buffer member (200) can rotate relative to the base (100).

14. Child safety seat, characterized in that includes:

a child safety seat body (400), an outer side wall of the child safety seat body (400) being provided with an energy absorbing device according to any one of claims 1 to 13.

15. The child safety seat according to claim 14, wherein the base (100) is embedded in an outer side wall of the child safety seat body (400), and the energy absorbing device forms a part of the surface of the outer side wall of the child safety seat body (400) when the bumper member (200) is in the retracted position.

16. The child safety seat according to claim 14, wherein the bumper (200) rotates from the retracted position to the deployed position, and the bumper (200) is flipped toward the front or rear of the child safety seat body (400) and protrudes from the outer sidewall surface of the child safety seat body (400).