CN109795380B - Supporting leg of child safety seat and child safety seat - Google Patents
Supporting leg of child safety seat and child safety seat Download PDFInfo
- Publication number
- CN109795380B CN109795380B CN201910220553.0A CN201910220553A CN109795380B CN 109795380 B CN109795380 B CN 109795380B CN 201910220553 A CN201910220553 A CN 201910220553A CN 109795380 B CN109795380 B CN 109795380B
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- cavity
- pressing plate
- safety seat
- child safety
- piston rod
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- 238000003825 pressing Methods 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 35
- 239000004568 cement Substances 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000013016 damping Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 2
- 206010039203 Road traffic accident Diseases 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Seats For Vehicles (AREA)
Abstract
The invention discloses a supporting leg of a child safety seat and the child safety seat, wherein the supporting leg comprises a base supported on an automobile bottom plate and a supporting rod assembly arranged on the base, the child safety seat comprises a fixed seat, the supporting leg further comprises a piston rod, the upper end part of the piston rod is fixedly connected to the bottom of the fixed seat, the supporting rod assembly is provided with a cavity, the cavity is filled with a cement material, the lower end part of the piston rod is positioned in the cavity and can be arranged in the cavity in a sliding manner up and down, the lower end part of the piston rod is fixedly provided with a lower pressing plate, the lower pressing plate is positioned in the cavity, and when the child safety seat is subjected to instantaneous longitudinal impact from above, the piston rod moves downwards to enable the lower pressing plate to press the cement material in the cavity. The supporting leg can effectively buffer and absorb the instantaneous impact force in the vertical direction generated when the automobile has a traffic accident, and can reduce the adverse effect of jolt of the automobile on passengers in running, thereby reducing the risk of injury to the passengers and improving the safety and comfort of riding.
Description
Technical Field
The invention relates to the technical field of automobile structures and automobile safety, in particular to a supporting leg of a child safety seat and the child safety seat.
Background
With the rapid development of science and technology, the variety and quantity of various automobile related products are continuously increased, the manufacturing cost of automobiles is gradually reduced due to the improvement of science and technology, and the comfort and intelligence of the automobiles are continuously increased. With the rapid increase of the quantity of the automobile, children and passengers traveling with families are more and more, and the problem of riding safety of children is gradually pointed.
In order to ensure the travel safety requirements of children, china issued constraint systems for motor vehicle children and passengers in 2011, and provides mandatory standards for child seat constraint devices. However, most of the child safety seats sold in the market at present lack a longitudinal buffer device, or the structure of the added longitudinal buffer device is complex, the performance is unreliable and effective, the service life is not long, and the use is inconvenient.
Disclosure of Invention
It is an object of the present invention to address the problems of the prior art and to provide an improved support leg for a child safety seat.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The utility model provides a supporting leg of child safety seat, includes the base of supporting on the automobile bottom plate, sets up on the base and along the vaulting pole subassembly that upper and lower direction extends, child safety seat includes the fixing base, the supporting leg still includes upper end fixed connection the piston rod of the bottom of fixing base, the vaulting pole subassembly has a cavity, it has the clay material to fill in the cavity, the lower tip of piston rod is located in the cavity and can set up in the cavity along upper and lower direction slidingly, the lower tip of piston rod is fixed and is provided with the holding down plate, the holding down plate is located in the cavity, when child safety seat receives the instantaneous longitudinal impact from the top, the piston rod downward movement makes the holding down plate extrusion in the cavity the clay material.
Preferably, the lower pressing plate is provided with damping holes penetrating through the upper end face and the lower end face of the lower pressing plate, and the damping holes are multiple.
Preferably, an upper pressing plate is further fixedly arranged on the piston rod, the upper pressing plate is located in the cavity, the upper pressing plate is located above the lower pressing plate, a channel penetrating through the upper end face and the lower end face of the upper pressing plate is arranged on the upper pressing plate, and a one-way valve is arranged in the channel, so that the daub material located in the cavity can only flow from the upper side to the lower side of the upper pressing plate.
Preferably, the stay bar assembly comprises a lower stay bar and an upper stay bar positioned on the upper portion of the lower stay bar, the lower portion of the lower stay bar is fixedly arranged on the base, the cavity is arranged in the upper stay bar, and the upper stay bar is slidably arranged in the lower stay bar along the up-down direction.
Further, the stay bar assembly further comprises a button for fixing the relative positions of the upper stay bar and the lower stay bar, the button can be slidably arranged on one of the upper stay bar and the lower stay bar, a plurality of locking grooves matched with the button are formed in the other of the upper stay bar and the lower stay bar, the locking grooves are formed in a plurality of mode, the locking grooves are arranged at intervals in the vertical direction, and the button can be inserted into the locking grooves or separated from the locking grooves.
Preferably, the base comprises a housing and a rubber stack arranged in the housing, the rubber stack comprises one or more layers of rubber components, when the rubber components are provided with multiple layers, the multiple layers of rubber components are arranged in sequence from top to bottom, the sizes of the rubber components from top to bottom are gradually increased, and a partition plate is arranged between every two adjacent layers of rubber components.
Further, each layer of rubber component comprises an upper layer rubber sheet, a steel sheet and a lower layer rubber sheet which are sequentially arranged from top to bottom, a first convex part is arranged on the lower layer rubber sheet, a first concave part matched with the first convex part is arranged on the upper layer rubber sheet, a first matching part matched with the first convex part and the first concave part is arranged on the steel sheet at the same time, or a second convex part is arranged on the upper layer rubber sheet, a second concave part matched with the second convex part is arranged on the lower layer rubber sheet, a second matching part matched with the second convex part and the second concave part is arranged on the steel sheet at the same time, and when the upper layer rubber sheet, the steel sheet and the lower layer rubber sheet are stacked from top to bottom, the first convex part, the first matching part and the first concave part are clamped, or the second convex part, the second matching part and the second concave part are clamped.
Still further, the first protrusion, the first mating portion and the first recess are all provided with three, and the center of the three first protrusions, the center of the three first mating portions and the center of the three first recesses are respectively connected in sequence and then form a triangle structure respectively, and the three triangle structures are corresponding, or the second protrusion, the second mating portion and the second recess are all provided with three, and the center of the three second protrusions, the center of the three second mating portions and the center of the three second recesses are respectively connected in sequence and then form a triangle structure respectively, and the three triangle structures are corresponding.
Preferably, the cement material is a cement material having elasticity.
The present invention also provides a child safety seat having support legs as described in any one of the preceding claims.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the supporting leg of the child safety seat is simple in structure, can effectively buffer and absorb the instantaneous impact force in the vertical direction generated when a traffic accident occurs to an automobile, and can reduce the adverse effect of jolt of the automobile on passengers in daily driving, so that the risk of injury to the children passengers in the accident is reduced, the safety and the comfort of riding are improved, and the child safety seat has good popularization and popularization value.
Drawings
FIG. 1 is a schematic view of the support legs of the child safety seat of the present invention;
FIG. 2 is a schematic view of the rubber stack of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of the structure of the lower rubber sheet of the present invention.
Description of the embodiments
The technical scheme of the invention is further described below with reference to the accompanying drawings.
The child safety seat comprises a fixed seat and a seat body arranged on the fixed seat, and supporting legs of the child safety seat are supported below the fixed seat.
As shown in fig. 1, the support leg of the child safety seat of the present invention includes a base 1 supported on a floor of an automobile, a stay assembly 2 provided on the base 1 and extending in an up-down direction, and a piston rod 3.
The piston rod 3 extends along the up-down direction, the upper end part of the piston rod is fixedly connected to the bottom of the fixing seat, the supporting rod assembly 2 is provided with a cavity, and the cavity is filled with a daub material 4. The cement material 4 has the characteristics of high viscosity, certain fluidity, corrosion resistance and difficult deterioration. Each wall surface of the cavity in the stay bar assembly 2 is of an uneven rough structure, so that friction resistance when the cement material 4 and the wall surface of the cavity are subjected to relative displacement can be increased. The lower end portion of the piston rod 3 is located in a cavity in the stay assembly 2 and slidably provided in the cavity in the up-down direction. The lower end of the piston rod 3 is fixedly provided with a lower pressing plate 31, the lower pressing plate 31 is also positioned in the cavity, when the automobile has a traffic accident to enable the child safety seat to be subjected to instantaneous longitudinal impact from the upper side, the piston rod 3 moves downwards to enable the lower pressing plate 31 to squeeze the cement material 4 in the cavity, and due to the fact that the cement material 4 has larger impedance, good dynamic characteristics and static characteristics, the automobile can effectively buffer and absorb instantaneous impact force in the vertical direction generated when the automobile has the traffic accident.
The lower pressure plate 31 is provided with a plurality of damping holes 31a penetrating through the upper end surface and the lower end surface of the lower pressure plate 31, and the damping holes 31a are arranged, so that when a car is in a traffic accident and the child safety seat is subjected to instantaneous longitudinal impact from the upper side, the piston rod 3 moves downwards to enable the lower pressure plate 31 to squeeze the cement material 4 in the cavity, the cement material 4 below the lower pressure plate 31 flows to the upper side of the lower pressure plate 31 through the damping holes 31a after being squeezed, friction work is generated between the damping holes 31a and the cement material 4 in the process, and therefore impact generated during the car accident can be buffered and partial impact energy generated can be dissipated.
The piston rod 3 is also fixedly provided with an upper pressing plate 32, the upper pressing plate 32 is also positioned in the cavity of the stay bar assembly 2, the upper pressing plate 32 is positioned above the lower pressing plate 31, the upper pressing plate 32 is provided with a channel 32a penetrating through the upper and lower end surfaces of the upper pressing plate 32, the channel 32a is internally provided with a one-way valve 5, through the one-way valve 5, after normal misoperation or impact action of the piston rod 3, the daub material 4 positioned above the upper pressing plate 32 can flow back to the lower part of the upper pressing plate 32 in time through the channel 32a, and when impact action of the piston rod 3 is carried out, the daub material 4 can be prevented from flowing from the lower part of the upper pressing plate 32 to the upper part.
In this embodiment, the cement material 4 is a cement material 4 with a certain elasticity, so that when the piston rod 3 acts due to daily misoperation or the action of a tiny impact force, after the external force is removed, the compressed cement material 4 with elasticity can expand to automatically reset the piston rod 3.
The stay bar assembly 2 comprises a lower stay bar 21 and an upper stay bar 22, wherein the lower stay bar 21 and the upper stay bar 22 extend along the vertical direction, the lower end part of the lower stay bar 21 is fixedly arranged on the base 1, the upper stay bar 22 is arranged on the upper part of the lower stay bar 21 and can be slidably arranged on the lower stay bar 21 along the length extending direction of the lower stay bar 21, the cavity is arranged in the upper stay bar 22, and the sealing performance between the contact part of the piston rod 3 and the upper part of the upper stay bar 22 is good, so that the cement material 4 in the cavity can not flow out due to larger impact.
The stay bar assembly 2 further includes a button 23 for fixing the relative positions of the upper stay bar 22 and the lower stay bar 21, the button 23 is slidably disposed on one of the upper stay bar 22 and the lower stay bar 21, a plurality of locking grooves 21a are disposed on the other of the upper stay bar 22 and the lower stay bar 21, which are engaged with the button 23, the plurality of locking grooves 21a are disposed at intervals in the up-down direction, and the button 23 can be inserted into the locking grooves 21a or withdrawn from the locking grooves 21 a. When the push button 23 is inserted into the different locking grooves 21a, the support legs are positioned at different height positions; when the button 23 is pressed, the button 23 is released from the locking groove 21a, and at this time, the upper stay 22 is pulled up and down to slide relative to the lower stay 21, thereby adjusting the height of the support leg. The button 23 is made of a high strength and high wear resistance material, so that the service life of the button 23 can be prolonged.
The upper surface of the base 1 is of an egg-shaped structure with a certain radian, and the structure can better transmit and disperse the impact force applied to the base and reduce the impact on the floor of the automobile. Specifically, the base 1 includes a rubber stack 14 and a housing 11 that is wrapped around the outside of the rubber stack 14, the bottom of the rubber stack 14 being separated from the bottom of the housing 11 by a lower pad 12, and the top of the rubber stack 14 being separated from a lower stay 21 by an upper pad 13.
As shown in fig. 2 and 3, the rubber stack 14 includes one or more layers of rubber components, when the rubber components are provided with a plurality of layers, the plurality of layers of rubber components are sequentially stacked from top to bottom, two adjacent layers of rubber components are separated by a partition 15, the layers are bonded to each other, and the sizes of the plurality of layers of rubber components are gradually increased from top to bottom, so that the whole forms a conical structure with a certain angle. In this embodiment, the rubber stack 14 includes three layers of rubber components.
Each layer of rubber component comprises an upper layer of rubber sheet 141, a steel sheet 142 and a lower layer of rubber sheet 143 which are sequentially arranged from top to bottom, wherein the upper layer of rubber sheet 141 and the lower layer of rubber sheet 143 are all provided with a certain thickness, and are all vulcanized, and two end surfaces of the steel sheet 142 are respectively adhered to the upper layer of rubber sheet 141 and the lower layer of rubber sheet 143. The rubber pile structure formed in this way can exert the specific elasticity and toughness of rubber, can buffer and absorb impact energy by means of the internal friction and elastic deformation among rubber molecules, has the high rigidity and impact resistance of steel sheets, and has stable performance and remarkable buffering and energy absorbing effects.
The lower rubber sheet 143 is provided with a first protruding portion 143a, the upper rubber sheet 141 is provided with a first concave portion 141a matching with the first protruding portion 143a, the steel sheet 142 is provided with a first matching portion 142a matching with the first protruding portion 143a and the first concave portion 141a simultaneously, in this embodiment, the first protruding portion 143a is a spherical rubber particle located on the lower rubber sheet 143, and as shown in fig. 4, the first concave portion 141a and the first matching portion 142a are spherical grooves matching with the spherical rubber particle. When the upper layer rubber sheet 141, the steel sheet 142, and the lower layer rubber sheet 143 are stacked and adhered from top to bottom, the first concave portion 141a, the first fitting portion 142a, and the first convex portion 143a are engaged. Of course, the upper rubber sheet 141 is provided with the second convex portion, the lower rubber sheet 143 is provided with the second concave portion matching with the second convex portion, and the steel sheet 142 is provided with the second matching portion matching with the second convex portion and the second concave portion at the same time, at this time, when the upper rubber sheet 141, the steel sheet 142 and the lower rubber sheet 143 are stacked and adhered from top to bottom, the second convex portion, the second matching portion and the second concave portion are engaged. By such arrangement, the upper layer rubber sheet 141, the steel sheet 142 and the lower layer rubber sheet 143 can be positioned to prevent dislocation between the upper layer rubber sheet 141, the steel sheet 142 and the lower layer rubber sheet 143 when the impact is large.
In this embodiment, the first protruding portion 143a, the first recessed portion 141a and the first engaging portion 142a are all provided with three, and the centers of the three first protruding portions 143a, the centers of the three first recessed portions 141a and the centers of the three first engaging portions 142a are sequentially connected to form a triangle structure, respectively, and the triangle structures correspond to each other. By this arrangement, the positioning between the upper layer rubber sheet 141, the steel sheet 142 and the lower layer rubber sheet 143 can be made more stable. Similarly, the second convex part, the second concave part and the second matching part are respectively provided with three, and the centers of the three second convex parts, the centers of the three second concave parts and the centers of the three second matching parts are respectively connected in sequence to form a triangle structure respectively, and the three triangle structures also correspond to each other.
The piston rod 13, the lower stay bar 21, the upper stay bar 22, the shell 11 and the upper backing plate 13 of the support leg are all composed of high-strength and high-hardness aluminum alloy, and the support leg is simple in structure, light in weight and capable of resisting large impact.
The supporting leg works as follows:
When the automobile breaks down and causes the child safety seat to receive instantaneous longitudinal impact from above, the piston rod 3 is pushed to move downwards, the cement material 4 in the cavity of the upper stay 22 is extruded, after the cement material 4 below the lower pressing plate 31 is extruded, the cement material 4 flows to the area between the upper pressing plate 32 and the lower pressing plate 31 through the damping hole 31a, and in the process, friction work is generated between the damping hole 31a and the cement material 4 to dissipate part of impact energy; on the other hand, the cement material 4 presses the bottom surface of the upper stay 22, and a part of impact energy is transmitted to the structure below the support legs by the button 23 fixing the relative positions of the upper stay 22 and the lower stay 21. Due to the presence of the check valve 5, the cement material 4 flowing between the lower platen 31 and the upper platen 32 of the piston rod 3 via the damping hole 31a continues to flow upward to push the upper platen 32 in a direction opposite to the direction of the impact force generated by the failure of the automobile, so that the action of part of the impact force can be offset, which can enhance the compression capability of the support legs. The support leg absorbs impact energy through the reciprocating motion of the cement material 4 after being impacted, and in the motion process, the intermolecular internal friction and the small-range convection effect of the cement material 4 have obvious buffering and energy absorbing effects. The impact force transmitted downwards through the button 23 acts on the base 1, the overall shape of the base 1 is egg-like, the dissipation and absorption of the impact force can be rapidly and efficiently carried out, and when the impact force acts on the base 1, the internal friction and elastic deformation among rubber molecules of the rubber stack can further buffer and absorb the impact energy.
The supporting leg has the advantages of simple and reasonable structure, safe and reliable performance, low cost, economy, practicability, multi-level adjustment of the height, suitability for different vehicle types, convenient use, quick reset after misoperation and slight impact, good dynamic and static characteristics due to the fact that the cement material, the rubber pile and other structures have larger impedance, the instantaneous impact force in the vertical direction can be effectively buffered and absorbed when traffic accidents happen, adverse influence of vehicle jolt on passengers can be reduced in daily driving, risk of injury to children passengers in accidents is reduced, safety and comfort of riding are improved, and the supporting leg has good popularization and popularization value.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a supporting leg of children's safety seat, is in including supporting the base on the automobile bottom plate, setting on the base and along the vaulting pole subassembly that upper and lower direction extends, children's safety seat includes fixing base, its characterized in that: the support leg also comprises a piston rod, the upper end of which is fixedly connected with the bottom of the fixed seat, the support rod component is provided with a cavity, the cavity is filled with a cement material, the lower end of the piston rod is positioned in the cavity and can be arranged in the cavity in a sliding manner along the up-down direction, the lower end of the piston rod is fixedly provided with a lower pressing plate, the lower pressing plate is positioned in the cavity, when the child safety seat is impacted by the instantaneous longitudinal direction from the upper part, the piston rod moves downwards to enable the lower pressing plate to press the cement material in the cavity, the lower pressing plate is provided with a damping hole penetrating through the upper end surface and the lower end surface of the lower pressing plate, the damping hole is provided with a plurality of damping holes, the base comprises a shell and a rubber pile arranged in the shell, the rubber pile comprises a plurality of layers of rubber components, the rubber components are sequentially arranged from top to bottom, the size of the rubber pile is gradually increased from top to bottom, a partition plate is arranged between every two adjacent layers of the rubber components, each layer of the rubber component comprises an upper layer and a second steel sheet, the upper layer and a second steel sheet are matched with the second steel sheet, and the first layer and the second layer are matched with the first layer and the second layer, and the second layer is matched with the upper layer and the concave part and the second layer, the first convex portion, the first fitting portion, and the first concave portion are engaged with each other, or the second convex portion, the second fitting portion, and the second concave portion are engaged with each other.
2. The child safety seat support leg of claim 1, wherein: the automatic glue pouring device is characterized in that an upper pressing plate is further fixedly arranged on the piston rod and located in the cavity, the upper pressing plate is located above the lower pressing plate, a channel penetrating through the upper end face and the lower end face of the upper pressing plate is arranged on the upper pressing plate, and a one-way valve is arranged in the channel, so that the glue mud material located in the cavity can only flow from the upper direction of the upper pressing plate to the lower direction of the upper pressing plate.
3. The child safety seat support leg of claim 1, wherein: the support rod assembly comprises a lower support rod and an upper support rod positioned on the upper portion of the lower support rod, wherein the lower portion of the lower support rod is fixedly arranged on the base, the cavity is arranged in the upper support rod, and the upper support rod can be arranged in the lower support rod in a sliding manner along the up-down direction.
4. A support leg for a child safety seat according to claim 3, wherein: the stay bar assembly further comprises a button used for fixing the relative positions of the upper stay bar and the lower stay bar, the button can be slidably arranged on one of the upper stay bar and the lower stay bar, a plurality of locking grooves matched with the button are formed in the other of the upper stay bar and the lower stay bar, the locking grooves are formed in a plurality of mode, the locking grooves are arranged at intervals in the vertical direction, and the button can be inserted into the locking grooves or separated from the locking grooves.
5. The child safety seat support leg of claim 1, wherein: the first convex part, the first matching part and the first concave part are all provided with three, the centers of the three first convex parts, the centers of the three first matching parts and the centers of the three first concave parts are respectively connected in sequence to form a triangle structure respectively, and the three triangle structures are corresponding, or the second convex part, the second matching part and the second concave part are all provided with three, the centers of the three second convex parts, the centers of the three second matching parts and the centers of the three second concave parts are respectively connected in sequence to form a triangle structure respectively, and the three triangle structures are corresponding.
6. The child safety seat support leg of claim 1, wherein: the clay material is elastic.
7. A child safety seat, characterized in that: a support leg as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910220553.0A CN109795380B (en) | 2019-03-22 | 2019-03-22 | Supporting leg of child safety seat and child safety seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910220553.0A CN109795380B (en) | 2019-03-22 | 2019-03-22 | Supporting leg of child safety seat and child safety seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109795380A CN109795380A (en) | 2019-05-24 |
| CN109795380B true CN109795380B (en) | 2024-05-17 |
Family
ID=66562931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910220553.0A Active CN109795380B (en) | 2019-03-22 | 2019-03-22 | Supporting leg of child safety seat and child safety seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109795380B (en) |
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|---|---|---|---|---|
| US8061773B2 (en) * | 2004-07-15 | 2011-11-22 | Crown Village, Llc | Child safety seat support apparatus |
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| CN210011637U (en) * | 2019-03-22 | 2020-02-04 | 清华大学苏州汽车研究院（相城） | Supporting leg of child safety seat and child safety seat |
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| Publication number | Publication date |
|---|---|
| CN109795380A (en) | 2019-05-24 |
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