Child safety seat with buffer device
Technical Field
The utility model belongs to the technical field of children's safety seat, specifically be a children's safety seat with buffer.
Background
A child safety seat is fixed on a vehicle seat for a child to sit on, and can restrain the child through a restraint device when the vehicle collides at a high speed so as to ensure the safety of the child to the maximum extent. With the popularization of private cars, the use of child safety seats is becoming more and more common.
Chinese utility model patent with publication number CN211995279U discloses a children's safety seat is with buffering supporting legs and buffering formula children's safety seat, including being used for the supporting legs of being connected with children's safety seat, the upper end of supporting legs is used for being connected with children's safety seat's base, and the upper end of supporting legs still is convex and is connected with the absorbable bolster of atress.
Although the buffering type child safety seat can provide good buffering at the supporting legs, the buffering below the seat cushion of the seat is not enough, when the seat cushion of the child safety seat is subjected to large external force in the vertical direction, the seat cushion can only buffer a small part, and the other large part of external force cannot be absorbed.
Disclosure of Invention
The utility model aims at providing a children's safety seat with buffer to the problem that prior art exists.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a children's safety seat with buffer, includes base support body and seat support body, the seat support body is installed on the base support body, the base support body includes the steel bay, be equipped with the honeycomb energy-absorbing box in the steel bay, honeycomb energy-absorbing box top evenly is equipped with a plurality of first compression spring, and is a plurality of first compression spring all with seat support body bottom butt.
The utility model can absorb a part of external force when the base frame body is subjected to large external force in the vertical direction through the arranged honeycomb energy absorption box, thereby reducing the impact of the base frame body on the seat frame body; through a plurality of first compression springs who sets up, when the base frame body received the external force of upper and lower direction, can provide certain buffering between base frame body and seat frame body, improve children's safety seat's travelling comfort.
Specifically, the honeycomb energy-absorbing box includes honeycomb body, upper cover plate and lower apron, the upper cover plate with the apron setting is in down the both ends of honeycomb body, down the apron with the bottom butt of steel bay, the upper cover plate is kept away from the one side of honeycomb body is equipped with a plurality of first compression spring can crumple and absorb partly energy when receiving great external force through the honeycomb body that sets up, is used for installing the honeycomb body through the upper cover plate that sets up and apron down to it is more even to make the honeycomb body atress.
Further, the honeycomb body is an aluminum foil honeycomb body.
Furthermore, a cloth bag is sleeved outside the first compression spring, so that noise generated by friction of the first compression spring is reduced.
Further, the one end that the seat support body kept away from the back of seat support body is equipped with the supporting shoe, the supporting shoe bottom is equipped with spring-supported subassembly, spring-supported subassembly bottom is equipped with the supporting pad, can provide certain supporting role for the seat support body, and spring-supported subassembly through setting up can also provide certain cushioning effect, further improves the utility model discloses a security and travelling comfort.
Specifically, the spring support assembly comprises a first support rod, a second support rod, a limiting disc and a second compression spring, the first support rod is arranged at the bottom of the support block, the second support rod is connected to the lower portion of the first support rod in a sliding manner, the support pad is arranged at the bottom of the second support rod, a first sliding hole is formed in the top end of the second support rod along the vertical direction, a second sliding hole is formed in the bottom of the first sliding hole, the first support rod is installed in the first sliding hole, the limiting disc is arranged at the bottom of the first support rod, the limiting disc is located in the second sliding hole, a second compression spring is further arranged in the second sliding hole, one end of the second compression spring is abutted against the limiting disc, the other end of the second compression spring is abutted against the bottom of the second sliding hole, and the buffer is provided between the first support rod and the second support rod through the second compression spring, the first support rod is used for being installed through the first sliding hole, the first support rod can slide in the first sliding hole and the second sliding hole along the axial direction of the first support rod, and the limiting disc is used for limiting the movement range of the first support rod.
Further, the inner diameter of the second slide hole is larger than that of the first slide hole.
Furthermore, the outer diameter of the first supporting rod is matched with the inner diameter of the first sliding hole, and the outer diameter of the limiting disc is matched with the inner diameter of the second sliding hole.
Furthermore, the first support rod, the second support rod, the limiting disc, the first sliding hole and the second sliding hole are coaxially arranged.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a set up the honeycomb energy-absorbing box between the base frame body and the seat support body, for providing the buffering between base frame body and the seat support body, can absorb some energy when the base frame body receives the great external force of direction from top to bottom, reduce the power that the base frame body transmitted the seat support body, improvement that can be better the utility model discloses a security.
(2) Through setting up a plurality of first compression springs at honeycomb energy-absorbing box top, can provide partly buffering earlier before the honeycomb energy-absorbing box bursts to contract, when the base framework receives great external force, can further improve buffering effect, when the external force that the base framework received is less, honeycomb energy-absorbing box can not reach the degree of bursting to contract, also can provide certain buffering, improves the utility model discloses a travelling comfort and security.
(3) Through set up the honeycomb energy-absorbing box between base frame body and seat support body, can provide certain protection for the rigid structure of honeycomb energy-absorbing box department.
Drawings
FIG. 1 is a schematic view of a child safety seat with a cushion device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a child safety seat with a cushion device according to an embodiment without a seat frame;
FIG. 3 is a schematic structural view of the honeycomb energy absorption box of the present embodiment;
FIG. 4 is a schematic structural diagram of a first compression spring in the present embodiment;
FIG. 5 is a schematic view of a second compression spring of the spring support assembly of the present embodiment;
in the figure: 1. a base frame body; 2. a seat frame body; 3. a steel trough; 4. a honeycomb energy absorption box; 41. a honeycomb body; 42. an upper cover plate; 43. a lower cover plate; 5. a first compression spring; 6. a cloth bag; 7. a support block; 8. a spring support assembly; 81. a first support bar; 82. a second support bar; 83. a limiting disc; 84. a second compression spring; 85. a first slide hole; 86. a second slide hole; 9. a support pad.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, this embodiment provides a child safety seat with buffer, including base support body 1 and seat support body 2, seat support body 2 is installed on base support body 1, base support body 1 includes steel bay 3, be equipped with honeycomb energy-absorbing box 4 in the steel bay 3, 4 tops of honeycomb energy-absorbing box evenly are equipped with a plurality of first compression spring 5 along vertical direction, and are a plurality of the top of first compression spring 5 all with 2 bottom butts of seat support body.
The utility model can absorb a part of external force when the base frame body 1 is subjected to large external force in the vertical direction through the arranged honeycomb energy absorption box 4, thereby reducing the impact of the base frame body 1 on the seat frame body 2; through a plurality of first compression spring 5 that set up, when base frame 1 received the external force of upper and lower direction, can provide certain buffering between base frame 1 and seat support body 2, improve children's safety seat's travelling comfort.
Specifically, the honeycomb energy absorption box 4 includes a honeycomb body 41, an upper cover plate 42 and a lower cover plate 43, the upper cover plate 42 and the lower cover plate 43 are disposed at two ends of the honeycomb body 41, the lower cover plate 43 is abutted to the bottom of the steel tank 3, one surface of the upper cover plate 42, which is far away from the honeycomb body 41, is provided with a plurality of first compression springs 5, the honeycomb body 41 can be collapsed to absorb a part of energy when being subjected to a large external force, the upper cover plate 42 and the lower cover plate 43 are used for mounting the honeycomb body 41, and the honeycomb body 41 is stressed more uniformly.
Further, the honeycomb body 41 is an aluminum foil honeycomb body 41.
Furthermore, the cloth bag 6 is sleeved outside the first compression spring 5, so that noise generated by friction of the first compression spring 5 is reduced.
Further, the one end that seat support body 2's back was kept away from to base support body 1 is equipped with supporting shoe 7, supporting shoe 7 bottom is equipped with spring-supported subassembly 8 (as shown in fig. 5), spring-supported subassembly 8 bottom is equipped with supporting pad 9, can provide certain supporting role for base support body 1, and spring-supported subassembly 8 through the setting can also provide certain cushioning effect, further improves the utility model discloses a security and travelling comfort.
Specifically, the spring support assembly 8 includes a first support rod 81, a second support rod 82, a limiting disc 83 and a second compression spring 84, the first support rod 81 is disposed at the bottom of the support block 7, the second support rod 82 is slidably connected to the lower portion of the first support rod 81, the support pad 9 is disposed at the bottom of the second support rod 82, a first slide hole 85 is disposed at the top end of the second support rod 82 along the vertical direction, a second slide hole 86 is disposed at the bottom of the first slide hole 85, the first support rod 81 is installed in the first slide hole 85, the limiting disc 83 is disposed at the bottom of the first support rod 81, the limiting disc 83 is located in the second slide hole 86, the second compression spring 84 is further disposed in the second slide hole 86, one end of the second compression spring 84 abuts against the limiting disc 83, and the other end abuts against the bottom of the second slide hole 86, the second compression spring 84 is arranged to provide buffering between the first support rod 81 and the second support rod 82, the first support rod 81 is installed through the first sliding hole 85, the first support rod 81 can slide in the axial direction of the first support rod 81 in the first sliding hole 85 and the second sliding hole 86, and the limiting disc 83 is arranged to limit the movement range of the first support rod 81.
Further, the inner diameter of the second slide hole 86 is larger than the inner diameter of the first slide hole 85.
Further, the outer diameter of the first support rod 81 matches with the inner diameter of the first sliding hole 85, and the outer diameter of the limiting disc 83 matches with the inner diameter of the second sliding hole 86.
Further, the first support rod 81, the second support rod 82, the limiting disc 83, the first sliding hole 85 and the second sliding hole 86 are all coaxially arranged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.