WO2021098463A1 - 一种具有推车功能的儿童汽车安全座椅 - Google Patents

一种具有推车功能的儿童汽车安全座椅 Download PDF

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Publication number
WO2021098463A1
WO2021098463A1 PCT/CN2020/124531 CN2020124531W WO2021098463A1 WO 2021098463 A1 WO2021098463 A1 WO 2021098463A1 CN 2020124531 W CN2020124531 W CN 2020124531W WO 2021098463 A1 WO2021098463 A1 WO 2021098463A1
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WO
WIPO (PCT)
Prior art keywords
support leg
seat
leg
safety seat
child car
Prior art date
Application number
PCT/CN2020/124531
Other languages
English (en)
French (fr)
Inventor
李速驰
何运花
Original Assignee
何运花
李速驰
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 何运花, 李速驰 filed Critical 何运花
Publication of WO2021098463A1 publication Critical patent/WO2021098463A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2821—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2842—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle adapted to carry the child, when dismounted from the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2887—Fixation to a transversal anchorage bar, e.g. isofix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2002/2896—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle the child seat being foldable, e.g. to facilitate transport

Definitions

  • the invention belongs to the technical field of child seats, and in particular relates to a child car safety seat with a stroller function.
  • the safety seat can be used as a stroller with strong applicability.
  • the side protection performance of the safety seat is enhanced.
  • Some patented technology connects the upper ends of the front and rear support legs like a traditional cart by rotating and connecting them, a bit like an A-shaped appearance.
  • This structure has the following shortcomings: (a) The folded front and rear wheels are next to each other. As a result, the folded wheels are too large to be completely hidden inside the safety seat; (b) The connection between this structure and the base is located in the middle of the base, which cannot balance the weight difference caused by the width of the front, rear, left, and right, and cannot support the elderly. The weight of the child and the entire safety seat.
  • Some patented technologies design the front and rear legs as a telescopic linkage mechanism.
  • the front and rear legs can be telescopic relative to the seat body to complete the storage purpose.
  • This kind of mechanism has a complicated structure and is equipped with a large number of connecting rods and rotating shafts. It is prone to mechanical failures after being used for a long time, and has defects such as high cost, troublesome maintenance, and heavy product weight.
  • the purpose of the present invention is to provide a new type of child car with a stroller function
  • the safety seat can be designed with a clever structure to make the safety seat have a highly applicable stroller function, and when folded as a child car safety seat, the side protection performance of the safety seat can be enhanced.
  • a child car safety seat with a stroller function includes a seat body, a front support leg, a front wheel, a rear support leg and a rear wheel, wherein the seat body includes a base part, a backrest part and a side wing part ;
  • the top of the front support leg is rotatably connected to the front end of the base part through a front end rotating shaft, and the bottom of the front support leg is rotatably connected to the front wheel;
  • the top of the rear support leg is rotatably connected to the left bottom end and/or the right bottom end of the backrest through a rear end rotating shaft, and the bottom of the rear support leg is rotatably connected to the rear wheel;
  • the bottom end of the backrest portion is connected to the rear end of the base portion, and the side wing portions are connected to the side edges of the backrest portion and correspond to the same side of the rear support leg in a one-to-one correspondence.
  • a second storage for accommodating the top and middle portions of the front support legs on the corresponding side is opened on the bottom surface of the base portion
  • the first storage groove is also used to accommodate the bottom of the front support leg and the front wheel on the corresponding side, so that when folded as a child car seat, the top of the front support leg on the corresponding side and the front wheel
  • the middle part is screwed back into the second storage slot, and the bottom of the front support leg and the front wheel on the corresponding side are screwed back into the first storage slot synchronously, and when unfolded as a cart ,
  • the top and middle of the front support leg on the corresponding side can be rotated forward from the second receiving groove, and the bottom of the front support leg and the front wheel on the corresponding side can be synchronized from the first Rotate forward from the receiving slot.
  • the second receiving groove on the same side is connected to the first receiving groove; and/or, when folded as a child car seat, the bottom of the front support leg and the front wheel are connected to the seat The rear support legs are staggered and placed in the first receiving slot.
  • Optimized, folding holes and unfolding holes are circumferentially provided on the rotating surface of the top of the support leg, and a state locking assembly corresponding to the top of the support leg is provided on the seat body, wherein the support The top of the leg is the top of the front support leg or the top of the rear support leg, and the folding hole is located in front of the rotation of the unfolding hole;
  • the state locking assembly includes a pull switch, a pull wire, a pull bolt, a reset elastic member, and a limiting member, wherein the pull switch is connected to one end of the pull wire, and the other end of the pull wire is connected to the tail of the pull bolt ,
  • the reset elastic member is sleeved on the pull bolt, and both ends respectively abut against the head of the pull bolt and the limiting member, and the limiting member is fixed on the seat body;
  • the head of the pull bolt is driven and reset by the reset elastic member, and inserted into the corresponding folding hole or the unfolding hole, so that the top of the corresponding support leg and the support leg In a locked state.
  • the seat body is also provided with torsion springs corresponding to the tops of the supporting legs one-to-one, wherein one end of the torsion spring is fixedly connected to the seat body, and the other end of the torsion spring The top of the corresponding supporting leg is fixedly connected, and when the folding hole and/or the unfolding hole of the top of the supporting leg are inserted into the corresponding pull bolt head, the torsion spring is in a state of being twisted and ready to be reset;
  • the seat body is further provided with tension springs corresponding to the tops of the supporting legs one-to-one, wherein one end of the tension spring is fixedly connected to a first fixed post on the seat body, and The other end of the tension spring is fixedly connected to the second fixing post on the top of the corresponding support leg.
  • the tension spring is in extension To be reset.
  • the ISOFIX connector When folded as a child car safety seat, the ISOFIX connector can be used to lock the ISOFIX interface connected to the car seat after being pulled out backwards.
  • a push rod that can be withdrawn and retracted and a push rod lock switch for locking the push rod are provided on the top of the rear view surface of the backrest.
  • a safety belt and a U-shaped headrest on the top of the backrest are provided on the front view surface of the backrest.
  • the front support leg or the rear support leg adopts a single-section leg structure, a rotatably and foldable double-section leg structure, or a rotatably and foldable multi-section leg structure.
  • the base portion, the backrest portion and/or the side wing portion form an integral structure
  • the bottom of the front support leg is rotatably connected to one, two or more of the front wheels;
  • the bottom of the rear support leg is rotatably connected to one, two or more of the rear wheels.
  • the present invention provides a new type of safety seat that not only has a highly applicable stroller function but also enhances the side protection performance, that is, on the one hand, the rear support legs and the rear wheels are stored into the side wings of the seat body , It can play a role of stiffening and strengthening the side wing part, and then form an overall structure, which greatly improves the side wing protection performance of the safety seat on the corresponding side.
  • the storage slot is located on the side wing part of the seat body, its accommodating size It can be very large, which in turn facilitates the size of the rear wheel to be large enough to be suitable for different degrees of uneven ground, which can improve the stability of the cart and the applicability of the road;
  • the sides of the base part can also be ribbed and strengthened, which greatly improves the protective performance of the base part on the corresponding sides.
  • the side wing part can be further ribbed and strengthened, which greatly improves the side wing protection performance of the safety seat on the corresponding side, and further facilitates
  • the size of the front wheel is also large enough to improve the stability of the cart and road suitability;
  • the front and rear support legs can be stored into the safety seat. These support legs can also increase the structural strength of the safety seat at the same time, and can provide a stroller function after unfolding the front and rear support legs;
  • connection between the two front support legs and the safety seat can be set on the left and right sides of the front end of the base part, and the connection between the two rear support legs and the safety seat can be set on the left and right sides of the bottom end of the backrest.
  • the rear support legs and/or the rear wheels and the sides of the side wings form an integral structure.
  • the side wings are supported by the bottom of the front support legs and/or the front wheels and the rear support legs and/or the rear wheels.
  • the overall structural strength of the side wings It will increase a lot, the deformation of the side wings is minimized and it has a higher energy absorption effect on side collisions. This structure makes the side protection of the child's body more adequate and complete;
  • the rotation axis of the support leg can be used as the center of rotation, so that the bottom of the front support leg and/or the rear support leg and the front wheel and/or the rear wheel can be rotated and folded in the direction of the seat back and stored in the side wings, compared to similar products
  • the retractable storage mechanism of the supporting leg of the slewing and folding mechanism which removes a large number of connecting rods and rotating shafts, has the advantages of lower production cost, simple mechanism, convenient maintenance and less product weight;
  • the distance between the left and right wheels of the front and rear support legs can reach a large distance.
  • the front and rear support legs are located at the front end and the rear end of the safety seat body.
  • the force points of the four wheels are located on the outer sides of the front, rear, left, and right sides.
  • the left and right spacing of the connection between the rear support legs and the seat body has been optimized: the left and right spacing is smaller than the rear seats of most small-sized cars The distance between the seat belt jack position of the vehicle, so that the jack of the car 3-point seat belt is no longer blocked and can be used normally.
  • Fig. 1 is a schematic structural diagram of a side wing cross-sectional view of a child car safety seat provided by the present invention in a folded state.
  • Fig. 2 is a schematic diagram of the rear cross-sectional structure of the child car safety seat provided by the present invention in a folded state.
  • Fig. 3 is a schematic diagram of the side bottom view of the child car safety seat provided by the present invention in the unfolded state.
  • Fig. 4 is a schematic sectional view of the locked state of the rear support leg in the folded state provided by the present invention.
  • Fig. 5 is a schematic diagram of the structure of the front support leg and the rear support leg provided by the present invention.
  • Fig. 6 is a schematic sectional view of the side wing structure of another child car safety seat provided by the present invention in a folded state.
  • Fig. 7 is a schematic diagram of a side bottom view of another child car safety seat provided by the present invention in an unfolded state.
  • Fig. 8 is a schematic cross-sectional view of another locked state of the rear support leg in the folded state provided by the present invention.
  • first, second, etc. may be used herein to describe various units, these units should not be limited by these terms. These terms are only used to distinguish one unit from another.
  • the first unit may be referred to as the second unit, and the second unit may be referred to as the first unit similarly, without departing from the scope of the exemplary embodiment of the present invention.
  • the child car safety seat with stroller function includes a seat body 1, a front support leg 2, a front wheel 3, a rear support leg 4, and a rear wheel 5.
  • the seat body 1 includes a base portion 101, a backrest portion 102, and a side wing portion 103; the top of the front support leg 2 is rotatably connected to the front end of the base portion 101 through a front end rotating shaft 601, and the front support leg The bottom of 2 is rotatably connected to the front wheel 3; the top of the rear support leg 4 is rotatably connected to the left bottom end and/or the right bottom end of the backrest 102 through the rear end shaft 602, and the rear support leg 4 The bottom of the backrest part is rotatably connected to the rear wheel 5; the bottom end of the backrest part 102 is connected to the rear end of the base part 101, and the side wing part 103 is connected to the side of the backrest part 102 and corresponds to the The rear support leg 4 is on the
  • the rear support leg 4 and the rear wheel 5 on the corresponding side When seated, the rear support leg 4 and the rear wheel 5 on the corresponding side can be screwed back into the first storage slot 1031, and when unfolded as a stroller, the rear support leg 4 and the rear wheel 5 on the corresponding side can be rotated back into the first storage slot 1031. The supporting leg 4 and the rear wheel 5 are rotated forward from the first receiving groove 1031.
  • the seat body 1 is used to carry the child's body, which can be, but is not limited to, made of metal, plastic, resin, silica gel, wood, and chemical fiber. , Cloth, glass, fiber, and/or ceramics.
  • the base portion 101, the backrest portion 102 and/or the side wing portion 103 form an integral structure.
  • the front supporting legs 2, the front wheels 3, the rear supporting legs 4 and the rear wheels 5 are used to form the hand-pushing walking mechanism of the seat body 1, so that the child car safety seat has Cart function;
  • the front support leg 2, the front wheel 3, the rear support leg 4, or the rear wheel 5 can be, but not limited to, made of metal, plastic, resin, silicone, wood, chemical fiber, cloth, glass, Made of fiber and/or ceramics.
  • the front end shaft 601 is used as a front end rotation center point, so that the front support leg 2 can rotate forward or backward relative to the base part 101, so as to unfold the cart (rotate forward) or fold it for storage (rearward) Rotation);
  • the rear-end rotation shaft 602 is used as a rear-end rotation center, so that the rear support leg 4 can rotate forward or backward relative to the backrest 102, so as to expand the stroller (forward rotation) or fold Receiving (rotating backwards);
  • the front end shaft 601 or the rear end shaft 602 can be, but not limited to, made of metal, plastic, resin, silica gel, wood, chemical fiber, cloth, glass, fiber, and/or ceramic.
  • the first storage groove 1031 can be screwed into the rear support leg 4 and the rear wheel 5 on the corresponding side of the storage.
  • the rear support leg 4 and the rear wheel 5 are received into the side wing portion 103 of the seat body 1, which can play a ribbed and strengthened role on the side wing portion 103, thereby forming an overall structure, which greatly improves the safety seat
  • the side wing protection performance of the chair on the corresponding side is greatly improves the safety seat The side wing protection performance of the chair on the corresponding side.
  • the first storage slot 1031 is located in the side wing portion 103 of the seat body 1, its accommodating size can be large, which is beneficial to the rear wheel 5
  • the size is large enough to be suitable for different degrees of uneven ground, which can improve the stability of the cart and the applicability of the road.
  • the rear support legs 4 are two, which are respectively connected to the left bottom end and the right bottom end of the backrest portion 102 by rotation, and the side wing portions 103 also correspond one-to-one respectively.
  • the rear support leg 4 may specifically adopt a single-section leg structure, a rotatably and foldable double-section leg structure, or a rotatably and foldable multi-section leg structure.
  • the bottom of the rear support leg 4 can be rotatably connected to one, two or more of the rear wheels 5 as required.
  • the rear support leg 4 specifically adopts a single-section leg structure, and the bottom of the rear support leg 4 is rotatably connected to a rear wheel 5.
  • the bottom surface of the base portion 101 is provided with the top and middle portions of the front support legs 2 on the corresponding side.
  • the second storage groove 1032 of the first storage groove 1031 is also used to accommodate the bottom of the front support leg 2 and the front wheel 3 on the corresponding side, so that when folded as a child car seat, the corresponding side
  • the top and middle of the front support leg 2 are screwed back into the second receiving groove 1032, and the bottom of the front support leg 2 and the front wheel 3 on the corresponding side are screwed back into the second receiving groove 1032 synchronously.
  • the top and middle of the front support leg 2 on the corresponding side can be rotated forward from the second storage slot 1032, and the corresponding side can be rotated synchronously.
  • the bottom of the front support leg 2 and the front wheel 3 are rotated forward from the first receiving groove 1031.
  • the sides of the base portion 101 can also be ribbed and strengthened. It greatly improves the protective performance of the base portion 101 on the corresponding side.
  • the bottom of the front support leg 2 and the front wheel 3 can be stored in the side wing portion 103 of the seat body 1, further
  • the side wing portion 103 plays a role of stiffening and reinforcement, which greatly improves the side wing protection performance of the entire safety seat on the corresponding side, and also helps to make the size of the front wheel 3 large enough to further apply different degrees of The uneven ground improves the stability of the cart and the applicability of the road surface. Specifically, as shown in FIG.
  • the front support legs 2 are also two, which are respectively connected to the left front end and the right front end of the base portion 101 by rotating, so that the left and right sides of the seat body 1 It can greatly improve the protection performance of the side wings; in order to enhance the stability of the front support legs, the two front support legs 2 can also be interconnected by a cross bar (not marked in the figure).
  • the front support leg 2 may also specifically adopt a single-section leg structure, a rotatably and foldable double-section leg structure, or a rotatably and foldable multi-section leg.
  • the bottom of the front support leg 2 can be rotatably connected to one, two or more of the front wheels 3 as required.
  • the front support leg 2 specifically adopts a rotatably and folded three-section leg structure, and the bottom of the front support leg 2 is also rotatably connected to a front wheel 3.
  • the second receiving groove 1032 on the same side is in communication with the first receiving groove 1031.
  • the bottom of the front support leg 2 and the front wheel 3 and the rear support leg 4 can not obstruct each other's rotation in/out, ensuring normal folding and storage or
  • the bottom of the front support leg 2 and the front wheel 3 and the rear support leg 4 can form a thickened integral ribbed reinforcement structure when folded and stored, and further enhance the safety seat Flanking protection performance on the corresponding side.
  • a folding hole 701 and an unfolding hole 702 are circumferentially provided on the rotating surface of the supporting leg top 7, and a state locking assembly corresponding to the supporting leg top 7 is provided on the seat body 1.
  • the supporting leg top 7 is the top of the front supporting leg 2 or the top of the rear supporting leg 4, and the folding hole 701 is located in front of the rotation of the unfolding hole 702;
  • the state locking assembly includes The pull switch 801, the pull wire 802, the pull bolt 803, the reset elastic member 804 and the limit member 805, wherein the pull switch 801 is connected to one end of the pull wire 802, and the other end of the pull wire 802 is connected to the pull bolt 803, the reset elastic member 804 is sleeved on the pull bolt 803, and the two ends respectively abut against the head of the pull bolt 803 and the stopper 805, and the stopper 805 is fixed on the pull bolt 803.
  • the state locking assembly is used to lock the top 7 of the corresponding support leg and the support leg to keep them in a folded storage state (when the head of the pull bolt 803 is inserted into the corresponding folding hole 701) or unfolded use state (when the head of the pull bolt 803 is inserted into the corresponding unfolded hole 702).
  • the pull switch 801 is used to provide a manual action part, so that the pull wire 802 is pulled by hand, so that the head of the pull bolt 803 follows the back of the pull wire 802.
  • the pull switch 801 can be, but not limited to, made of metal, plastic, resin, silica gel, wood, chemical fiber, cloth, glass , Fiber and/or ceramics.
  • the pull wire 802 is used to transmit the pulling force, and it can be specifically arranged in a wire pipe fixed in a wire routing manner for arrangement on the seat body 1; the pull wire 802 can be, but not limited to, made of metal, plastic, resin, Made of silica gel, wood, chemical fiber, cloth, glass, fiber and/or ceramics.
  • the pull bolt 803 is used to achieve the purpose of unlocking the state when the hole is withdrawn, so as to switch the state, and realize the state locking when inserted into the hole, so as to be used stably as a safety seat or a stroller; the pull bolt 803 can be used but not It is limited to materials such as metal, plastic, resin, silicone, wood, chemical fiber, cloth, glass, fiber and/or ceramics.
  • the reset elastic member 804 is used to compress and store kinetic energy when the hand pull switch 801 is pulled, and to release the kinetic energy when the hand pull switch 801 is released, so as to drive the pull bolt 803 to be inserted at this time Position corresponding to the hole position (the relative position of the pull bolt 803 and the folding hole position 701 or the unfolding hole position 702 can be adjusted by rotating the angle of the support leg); the reset elastic member 804 can be but not limited to It is made of materials such as metal, plastic, resin, silica gel, wood, chemical fiber, cloth, glass, fiber and/or ceramics, and is preferably a spring.
  • the limiting member 805 is used as a fixed fulcrum for the reset elastic member 804 when compressing and storing kinetic energy or when resetting and releasing kinetic energy, to stop the reset elastic member 804;
  • the limiting member 805 can be, but not limited to, made of metal, Made of plastic, resin, silicone, wood, chemical fiber, cloth, glass, fiber and/or ceramics.
  • the method of folding and using the aforementioned state locking assembly may include, but is not limited to, the following steps: pull the pull switch 801 with one hand, the switch pulls the pull wire 802 to move, and then the pull wire 802 drives the pull bolt 803 Exit the deployment hole 702. At this time, the front supporting leg 2 and/or the rear supporting leg 4 are not locked by the pull bolt 803, and the front supporting leg 2 and/or the rear supporting leg 2 and/or the rear supporting leg 2 can be used with another hand.
  • the support leg 4 rotates toward the side wing of the seat; then release the pull switch 801, and at the same time, the front support leg 2 and/or the rear support leg 4 continue to rotate toward the side wing of the seat.
  • the pull bolt 803 When the folding hole When the position 701 faces the pull bolt 803, the pull bolt 803 will enter the folding hole 701 due to the elastic action of the reset elastic member 804.
  • the bottom of the front support leg 2 and/or the The rear support leg 4 is fixed in the side wing receiving groove, and forms an integral structure with the corresponding side wing portion 103.
  • This overall structure can greatly improve the side protection performance. At this time, it can be used as a safety seat, and the impact energy absorption effect of the side wing portion 103 is stronger through the bottom of the front support leg 2 and/or the rear support leg 4.
  • the seat body 1 is also provided with torsion springs 9 corresponding to the tops of the supporting legs 7 one-to-one, wherein one end of the torsion spring 9 is fixedly connected to the seat body 1, and the torsion spring 9 The other end of the spring 9 is fixedly connected to the top 7 of the corresponding support leg; when the folding hole 701 of the top 7 of the support leg is inserted into the head of the corresponding pull bolt 803, the torsion spring 9 is twisted to be reset status.
  • the torsion spring 9 when the head of the pull bolt 803 is pulled out of the folding hole 701 (that is, when the pull switch 801 is pulled), the torsion can be used
  • the reset function of the spring 9 makes the top of the corresponding support leg 7 and the support leg rotate forward automatically or assisted, so as to realize the purpose of deploying the safety seat as a stroller with one hand or labor saving, which is convenient to use and labor saving.
  • the torsion spring 9 can be, but not limited to, made of metal, plastic, resin, silica gel, wood, chemical fiber, cloth, glass, fiber, and/or ceramics.
  • the unfolding and use method of the aforementioned state locking assembly and torsion spring may include, but is not limited to, the following steps: pull the pull switch 801 with one hand, the switch pulls the pull wire 802 to move, and then the pull wire 802 drives the pull switch 801 to move.
  • the pull bolt 803 exits the folding hole 701.
  • the front support leg 2 and/or the rear support leg 4 are not locked by the pull bolt 803, and the support leg can be driven to rotate forward through the torsion spring 9 ; Then release the pull switch 801, when the support leg rotates to the farthest end, the pull bolt 803 will be aligned with the deployment hole 702, and then the pull bolt 803 due to the reset elastic member 804 The elastic effect will enter the deployment hole 702 to fix the front support leg 2 and/or the rear support leg 4 and make it impossible to rotate. It can be used as a cart at this time.
  • the torsion spring 9 can be twisted to be reset, and then When the head of the pull bolt 803 is pulled out of the unfolding hole 702 (that is, when the pull switch 801 is pulled by hand), the reset function of the torsion spring 9 is used to make the corresponding supporting leg top 7 and supporting leg automatically or It is assisted to rotate and fold backwards to achieve the purpose of folding the stroller into a safety seat with one hand or with less effort.
  • the ISOFIX connector fixedly connected to the seat body 1; when folded as a child car seat, the ISOFIX connector can be used to lock the ISOFIX interface connected to the car seat after being pulled out backwards.
  • the ISOFIX joint (ISOFIX refers to a system for connecting a child restraint system to the vehicle, which includes two rigid connection points on the vehicle, the child restraint system
  • the two corresponding rigid connection devices on the above and a method of anti-overturning are a new standard for the placement of child seats in cars. This standard is being accepted by many car manufacturers.
  • the ISOFIX joint can be, but is not limited to, made of metal, plastic, resin, silica gel, wood, chemical fiber, cloth, glass, fiber, and/or ceramic.
  • connection method of the aforementioned ISOFIX connector and the ISOFIX interface may, but is not limited to, include the following steps: After fixing the front support leg 2 and/or the rear support leg 4 in the side wing receiving groove, press the ISOFIX connector by hand Then pull out the ISOFIX connector and align it with the ISOFIX interface on the car seat, and then push the safety seat toward the adult car seat by hand. When you hear a “click” sound, all The ISOFIX connector is successfully occluded and fixed with the ISOFIX interface, so that the safety seat is firmly fixed on the adult seat of the car.
  • the rear-end shaft 602 fixedly connected with the ISOFIX joint (that is, specifically connected to the rear-end shaft 602) can absorb the impact force brought by the ISOFIX joint and joint, and then transmit it to the rear support
  • the backrest 102 can form a systematic and comprehensive energy-absorbing and fixed overall structure, so that the safety of the safety seat is higher, and thus the driving safety of children is better protected.
  • a push rod 11 that can be withdrawn and retracted and a push rod lock switch 12 for locking the push rod 11 are provided on the top of the rear view surface of the backrest portion 102.
  • the push rod lock switch 12 can be unlocked and the push rod 11 can be pulled out of the backrest 102 for cart use when it is deployed.
  • the working principle of the aforementioned push rod 11 and the push rod lock switch 12 can be referred to the existing luggage trolley mechanism.
  • the push rod 11 or the leg tube lock switch 12 can be, but not limited to, made of metal, plastic, resin, silicone, wood, chemical fiber, cloth, glass, fiber, and/or ceramic.
  • a safety belt 13 and a U-shaped headrest 14 on the top are provided on the front view surface of the backrest portion 102.
  • the safety belt 13 by providing the safety belt 13, the child's body can be effectively restrained on the safety seat to ensure braking safety.
  • the U-shaped headrest 14 by providing the U-shaped headrest 14, the two wings of the U-shaped structure can be further used to strengthen the protection of the side wings of the child's head.
  • the safety belt 13 or the U-shaped headrest 14 can be, but not limited to, made of metal, plastic, resin, silica gel, wood, chemical fiber, cloth, glass, fiber, and/or ceramics.
  • This embodiment provides a new type of safety seat that not only has the applicable stroller function but also enhances the side protection performance, that is, on the one hand, the rear support legs and the rear wheels are stored into the side wings of the seat body , It can play a role of stiffening and strengthening the side wing part, and then form an overall structure, which greatly improves the side wing protection performance of the safety seat on the corresponding side.
  • the storage slot is located on the side wing part of the seat body, its accommodating size It can be very large, which in turn facilitates the size of the rear wheel to be large enough to be suitable for different degrees of uneven ground, which can improve the stability of the cart and the applicability of the road;
  • the sides of the base part can also be ribbed and strengthened, which greatly improves the protective performance of the base part on the corresponding sides.
  • the side wing part can be further ribbed and strengthened, which greatly improves the side wing protection performance of the safety seat on the corresponding side, and further facilitates
  • the size of the front wheel is also large enough to improve the stability of the cart and road suitability;
  • the front and rear support legs can be stored into the safety seat. These support legs can also increase the structural strength of the safety seat at the same time, and can provide a stroller function after unfolding the front and rear support legs;
  • connection between the two front support legs and the safety seat can be set on the left and right sides of the front end of the base part, and the connection between the two rear support legs and the safety seat can be set on the left and right sides of the bottom end of the backrest.
  • the rear support legs and/or the rear wheels and the sides of the side wings form an integral structure.
  • the side wings are supported by the bottom of the front support legs and/or the front wheels and the rear support legs and/or the rear wheels.
  • the overall structural strength of the side wings It will increase a lot, the deformation of the side wings is minimized and it has a higher energy absorption effect on side collisions. This structure makes the side protection of the child's body more adequate and complete;
  • the rotation axis of the support leg can be used as the center of rotation, so that the bottom of the front support leg and/or the rear support leg and the front wheel and/or the rear wheel can be rotated and folded in the direction of the seat back and stored in the side wings, compared to similar products
  • the retractable storage mechanism of the supporting leg of the slewing and folding mechanism which removes a large number of connecting rods and rotating shafts, has the advantages of lower production cost, simple mechanism, convenient maintenance and less product weight;
  • the distance between the left and right wheels of the front and rear support legs can reach a large distance.
  • the front and rear support legs are located at the front end and the rear end of the safety seat body.
  • the force points of the four wheels are located on the outer sides of the front, rear, left, and right sides.
  • the left and right spacing of the connection between the rear support legs and the seat body has been optimized: the left and right spacing is smaller than the rear seats of most small-sized cars The distance between the seat belt jack position of the vehicle, so that the jack of the car 3-point seat belt is no longer blocked and can be used normally.
  • this embodiment also provides another child car safety seat with a stroller function based on the technology of the first embodiment, which uses a tension spring solution instead of a torsion spring solution, that is,
  • the seat body 1 is further provided with tension springs 10 corresponding to the tops of the supporting legs 7 one-to-one, wherein one end of the tension spring 10 is fixedly connected to a first fixing post on the seat body 1, and The other end of the tension spring 10 is fixedly connected to the second fixing post located on the top 7 of the supporting leg.
  • the tension spring 10 when the head of the pull bolt 803 is pulled out of the folding hole 701 (that is, when the pull switch 801 is pulled), the pull The reset function of the spring 10 makes the top of the corresponding support leg 7 and the support leg rotate and expand forward automatically or assisted to realize the purpose of deploying the safety seat as a stroller with one hand or labor saving, which is convenient for use and labor saving.
  • the tension spring 10 can be, but is not limited to, made of materials such as metal, plastic, resin, silica gel, wood, chemical fiber, cloth, glass, fiber, and/or ceramic.
  • the unfolding and use method of the aforementioned state locking assembly and the tension spring may include, but is not limited to, the following steps: when the pull switch 801 is pulled up and the pull bolt 803 is moved out of the folding hole 701, the front support The leg 2 and/or the rear support leg 4 are not locked by the pull bolt 803, and the corresponding support leg can be pulled by the tension spring 10 to rotate to the foremost end, the deployment hole 702 is exactly aligned with the pull bolt 803. At this time, the pull switch 801 is released, and the pull bolt 803 is inserted into the deployment hole 702.
  • the front and rear supporting legs are fixed and can be used as a cart; when the pull switch 801 is pulled When lifting and driving the pull bolt 803 out of the deployment hole 702, the seat can be placed on a plane of an object (such as the ground or the plane of the adult seat of a car) and then the pull switch 801 can be released.
  • the corresponding pull bolt 803 will spring back to the folding hole 701 corresponding to the front support leg 2, and then move the rear support leg 4 to the backrest by hand
  • the corresponding pull bolt 803 will spring back to the folding hole 701 of the corresponding rear support leg 4.
  • the front and rear support legs are restricted in the side wing groove and cannot rotate, and can be used as a child safety seat. Chair use.
  • the tension spring 10 can also be provided to facilitate automatic unfolding and achieve the purpose of folding with less effort.
  • the multiple embodiments described above are merely illustrative. If it relates to a unit described as a separate component, it may or may not be physically separate; if it relates to a component displayed as a unit, it may or may not be physically separate. It may not be a physical unit, that is, it may be located in one place, or it may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments. Those of ordinary skill in the art can understand and implement without creative work.

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Abstract

一种具有推车功能的儿童汽车安全座椅，包括：座椅本体（1）、前支撑腿（2）、前轮（3）、后支撑腿（4）、后轮（5），所述座椅本体（1）包括有底座部（101）、靠背部（102）和侧翼部（103），在所述侧翼部（103）的后视面上开有用于容纳对应侧所述后支撑腿（4）及所述后轮（5）的第一收纳槽（1031），使得在折叠作为儿童汽车安全座椅时，可将对应侧的所述后支撑腿（4）及所述后轮（5）向后旋进所述第一收纳槽（1031）中，以及在展开作为推车时，可将对应侧的所述后支撑腿（4）及所述后轮（5）从所述第一收纳槽（1031）中向前旋出。通过将后支撑腿（4）及后轮（5）收纳进座椅本体的侧翼部（103），提升了安全座椅在对应侧的侧翼防护性能，而且第一收纳槽（1031）位于座椅本体（1）的侧翼部（103），其容纳尺寸可以做到很大，进而利于将后轮（5）的尺寸做到足够大，适用不同程度的凹凸不平地面，可提升推车使用的稳定性和路面适用性。

Description

一种具有推车功能的儿童汽车安全座椅 技术领域
本发明属于儿童座椅技术领域，具体涉及一种具有推车功能的儿童汽车安全座椅，可通过巧妙的结构设计，使安全座椅具有适用性强的推车功能，并在折叠作为儿童汽车安全座椅时，增强安全座椅的侧面防护性能。
背景技术
目前，社会对儿童的行车安全要求越来越高，很多国家对安全座椅的安全性能要求更严格，要求更高的安全座椅侧翼强度以更好地保护儿童免受侧面撞击带来的伤害；政府也修改相关的法规和条例，比如：欧洲的新法规R129要求安全座椅满足更高的安全标准才可以在市场上出售。有不少用户提出了让安全座椅具有推车功能的需求，也出现了可提供推车功能的安全座椅，但是缺乏实用性，特别是无法适用于大龄儿童，大龄儿童需要座椅具有更强的稳定性。
现有儿童汽车安全座椅产品及专利技术的不足，主要体现在以下几个方面。
(1)传统安全座椅，需要在侧翼内侧和外侧额外添加部件，以提升侧翼的结构强度来增强侧面保护能力，以便通过侧面碰撞测试达到更高的安全标准。
(2)有的专利技术把前后支撑腿都放置在底座内，这时安全座椅的底座太高，车顶的冲击力会更容易伤到儿童头部，因此底座空间的限制导致此种结构有以下缺陷：(a)前后轮没法做得足够大，成品无法适应凹凸不平的路面；(b)由于底座宽度限制，左右轮子间距无法做到足够宽，成品的支撑稳定性差；(c)轮子上的脏东西会与汽车座椅表面直接接触，弄脏座椅；(d)在某些体积小的汽车后排座上，安全带连接处和安全带插孔位置距离非常小，成品的底座后侧宽度可能超过这个距离，导致车载3点式安全带的插孔被遮挡而无法正常使用；
(3)有的专利技术把前后支撑腿的上端像传统推车一样旋转连接在一起，有点像A字一样的外观，这种结构有以下不足：(a)折叠后的前后轮挨在一起，导致折叠后的轮子体积过大，无法完全隐藏到安全座椅内部；(b)此种结构与底座的连接处位于底座的中间位置，无法平衡前后左右的宽度带来的重量差进而无法支撑大龄儿童和整个安全座椅的重量。
(4)有的专利技术把前后腿设计成伸缩的联动机构，前后腿可以相对于座椅本体进行伸缩动作，以完成收纳的目的。这种机构结构复杂，装配了大量的连接杆和转轴，使用久了容易出现机械故障，存在成本高，维护麻烦，产品重量太重等缺陷。
为了克服以上的一点或几点不足，有必要设计一种新型的儿童汽车安全座椅结构，不但 可让安全座椅在使用推车功能时的适用性更强，同时也让靠背的侧翼具有更高的安全防护性能。
发明内容
为了解决当前儿童汽车安全座椅所存在的在使用推车功能时适用性差以及在使用安全座椅时侧翼防护性能有限的问题，本发明目的在于提供一种新型的且具有推车功能的儿童汽车安全座椅，可通过巧妙的结构设计，使安全座椅具有适用性强的推车功能，并在折叠作为儿童汽车安全座椅时，增强安全座椅的侧面防护性能。
本发明所采用的技术方案为：
一种具有推车功能的儿童汽车安全座椅，包括有座椅本体、前支撑腿、前轮、后支撑腿和后轮，其中，所述座椅本体包括有底座部、靠背部和侧翼部；
所述前支撑腿的顶部通过前端转轴转动连接所述底座部的前端，所述前支撑腿的底部转动连接所述前轮；
所述后支撑腿的顶部通过后端转轴转动连接所述靠背部的左侧底端和/或右侧底端，所述后支撑腿的底部转动连接所述后轮；
所述靠背部的底端连接所述底座部的后端，所述侧翼部连接所述靠背部的侧边且一一对应地与所述后支撑腿同侧，在所述侧翼部的后视面上开有用于容纳对应侧所述后支撑腿及所述后轮的第一收纳槽，使得在折叠作为儿童汽车安全座椅时，可将对应侧的所述后支撑腿及所述后轮向后旋进所述第一收纳槽中，以及在展开作为推车时，可将对应侧的所述后支撑腿及所述后轮从所述第一收纳槽中向前旋出。
优化的，当所述前支撑腿一一对应地与所述侧翼部同侧设置时，在所述底座部的仰视面上开有用于容纳对应侧所述前支撑腿顶部及中部的第二收纳槽，所述第一收纳槽还用于容纳对应侧的所述前支撑腿底部及所述前轮，使得在折叠作为儿童汽车安全座椅时，可将对应侧的所述前支撑腿顶部及中部向后旋进所述第二收纳槽中，并同步地将对应侧的所述前支撑腿底部及所述前轮向后旋进所述第一收纳槽中，以及在展开作为推车时，可将对应侧的所述前支撑腿顶部及中部从所述第二收纳槽中向前旋出，并同步地将对应侧的所述前支撑腿底部及所述前轮从所述第一收纳槽中向前旋出。
进一步优化的，同侧的所述第二收纳槽与所述第一收纳槽连通；和/或，在折叠作为儿童汽车安全座椅时，使所述前支撑腿底部及所述前轮与所述后支撑腿在所述第一收纳槽中错位放置。
优化的，在支撑腿顶部的旋转面上环向设有折叠孔位和展开孔位，并在所述座椅本体上设有与所述支撑腿顶部对应的状态锁定组件，其中，所述支撑腿顶部为所述前支撑腿的顶部或所述后支撑腿的顶部，所述折叠孔位位于所述展开孔位的转动前方；
所述状态锁定组件包括手拉开关、拉线、拉栓、复位弹性件和限位件，其中，所述手拉开关连接所述拉线的一端，所述拉线的另一端连接所述拉栓的尾部，所述复位弹性件套在所 述拉栓上且两端分别与所述拉栓的头部和所述限位件相抵，所述限位件固定在所述座椅本体上；
在拉动所述手拉开关时，所述拉栓的头部随着所述拉线的后撤，抽出对应的所述折叠孔位或所述展开孔位，使对应的支撑腿顶部及支撑腿处于可旋转切换状态；
在松开所述手拉开关时，所述拉栓的头部由所述复位弹性件驱动复位，插入对应的所述折叠孔位或所述展开孔位，使对应的支撑腿顶部及支撑腿处于锁定状态。
进一步优化的，在所述座椅本体上还设有与所述支撑腿顶部一一对应的扭簧，其中，所述扭簧的一端固定连接所述座椅本体，所述扭簧的另一端固定连接对应的所述支撑腿顶部,当所述支撑腿顶部的折叠孔位和/或展开孔位被对应的所述拉栓头部插入时，所述扭簧处于扭曲待复位状态；
或者，在所述座椅本体上还设有与所述支撑腿顶部一一对应的拉簧，其中，所述拉簧的一端固定连接位于所述座椅本体上的第一固定柱，所述拉簧的另一端固定连接位于对应所述支撑腿顶部上的第二固定柱,当所述支撑腿顶部的折叠孔位被对应的所述拉栓头部插入时，所述拉簧处于伸长待复位状态。
优化的，还包括固定连接所述座椅本体的ISOFIX接头；
在折叠作为儿童汽车安全座椅时，所述ISOFIX接头在向后拉出后可用于锁定连接汽车座椅上的ISOFIX接口。
优化的，在所述靠背部的后视面顶部设有可抽出及缩进的推杆和用于锁定所述推杆的推杆锁定开关。
优化的，在所述靠背部的前视面上设有安全带以及位于顶部的U型护头枕。
具体的，所述前支撑腿或所述后支撑腿采用单节腿结构、可旋转折叠的双节腿结构或可旋转折叠的多节腿结构。
具体的，所述底座部、所述靠背部和/或所述侧翼部构成一体成型结构；
和/或，所述前支撑腿的底部转动连接一个、两个或多个所述前轮；
和/或，所述后支撑腿的底部转动连接一个、两个或多个所述后轮。
本发明的有益效果为：
(1)本发明创造提供了一种既具有适用性强的推车功能又能增强侧面防护性能的新型安全座椅，即一方面通过将后支撑腿及后轮收纳进座椅本体的侧翼部，可对侧翼部起到一个加肋增强的作用，进而形成一个整体结构，大大提升安全座椅在对应侧的侧翼防护性能，另一方面由于收纳槽位于座椅本体的侧翼部，其容纳尺寸可以做到很大，进而利于将后轮的尺寸做到足够大，适用不同程度的凹凸不平地面，可提升推车使用的稳定性和路面适用性；
(2)通过将前支撑腿的顶部及中部收纳进底座部的对应侧中，可以对底座部的侧边也起到一个加肋增强的作用，大大提升底座部在对应侧边的防护性能，同时还可以通过将前支撑腿底部及前轮收纳进座椅本体的侧翼部，进一步对侧翼部起到一个加肋增强的作用，大大 提升安全座椅在对应侧的侧翼防护性能，以及进一步利于将前轮的尺寸也做到足够大，提升推车使用的稳定性和路面适用性；
(3)通过对前支撑腿底部及前轮与后支撑腿在收纳槽中进行错位放置设计，可以使前支撑腿底部及前轮与后支撑腿不会相互阻碍对方的旋进/旋出，确保能够正常折叠收纳或展开使用，同时还可使前支撑腿底部及前轮与后支撑腿在折叠收纳时，能够形成一个加厚的整体性加肋增强结构，进一步提升安全座椅在对应侧的侧翼防护性能；
(4)可使前后支撑腿收纳进安全座椅内部，这些支撑腿也可以同时增加安全座椅的结构强度，并且在展开前后支撑腿后可提供推车功能；
(5)可把两条前支撑腿与安全座椅的连接处设置在底座部前端的左右两侧，把两条后支撑腿与安全座椅的连接处设置在靠背部的底端左右两侧，然后把前支撑腿底部和/或前轮与后支撑腿和/或后轮往座椅本体内旋转再被收纳进侧翼部的凹形收纳槽内，使前支撑腿底部和/或前轮、后支撑腿和/或后轮与侧翼两侧一起形成一个整体的结构，这时的侧翼有前支撑腿底部和/或前轮与后支撑腿和/或后轮的支撑，侧翼整体结构强度会增加很多，侧翼变形程度降到最低且对侧面碰撞具有更高地吸能作用，这种结构使儿童身体侧面保护更充分和完全；
(6)由于可把前支撑腿底部和/或后支撑腿与前轮和/或后轮完全收纳进侧翼部的凹形收纳槽，可使靠背部的整体强度变得更高，对冲击力的吸能作用更强，对儿童的头部、手臂和肩膀的保护更充分；同时可以把前轮和/或后轮的直径做到足够大，甚至可以做到20公分的直径，进而适应不同程度的凹凸不平路面；并且当从推车转换为安全座椅在车内使用时，可确保轮子上的脏东西不与车内成人座椅表面相接触，车内环境更卫生；此外，这种设计结构还可以使前轮和后轮以及轮上的污物完全地隐藏在侧翼内部，使外观看起来更整洁美观；
(7)可将支撑腿的转轴作为转动中心点，使前支撑腿底部和/或后支撑腿与前轮和/或后轮往座椅靠背方向旋转折叠并收纳进侧翼部，相对于同类产品的支撑腿的伸缩收纳机构，此旋转折叠机构去掉了大量的连接杆和转轴，具有生产成本更低、机构简单、维护方便和产品重量少等优点；
(8)前后支撑腿的左右轮间距可达到较大距离，加上前后支撑腿分别处于安全座椅本体的最前端和最后端，四个轮子的着力点分别位于前后左右的外侧，此种结构支撑稳定性更高，更能平衡前后左右的宽度带来的重量差；
(9)在不妨碍前支撑腿在侧翼内顺畅进行折叠和展开的前提下，对后支撑腿与座椅本体的连接处的左右间距进行了优化：左右间距小于大部分小体积轿车后排座的安全带插孔位置的距离，让车载3点式安全带的插孔不再受遮挡并可以正常使用。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明提供的儿童汽车安全座椅在折叠状态时的侧翼剖视结构示意图。
图2是本发明提供的儿童汽车安全座椅在折叠状态时的后侧剖视结构示意图。
图3是本发明提供的儿童汽车安全座椅在展开状态时的侧向仰视结构示意图。
图4是本发明提供的在折叠状态时后支撑腿的状态锁定剖视结构示意图。
图5是本发明提供的前支撑腿和后支撑腿的结构示意图。
图6是本发明提供的另一种儿童汽车安全座椅在折叠状态时的侧翼剖视结构示意图。
图7是本发明提供的另一种儿童汽车安全座椅在展开状态时的侧向仰视结构示意图。
图8是本发明提供的另一种在折叠状态时后支撑腿的状态锁定剖视结构示意图。
上述附图中：1-座椅本体；2-前支撑腿；3-前轮；4-后支撑腿；5-后轮；101-底座部；102-靠背部；103-侧翼部；601-前端转轴；602-后端转轴；1031-第一收纳槽；1032-第二收纳槽；7-支撑腿顶部；701-折叠孔位；702-展开孔位；801-手拉开关；802-拉线；803-拉栓；804-复位弹性件；805-限位件；9-扭簧；10-拉簧；11-推杆；12-推杆锁定开关；13-安全带；14-U型护头枕。
具体实施方式
下面结合附图及具体实施例来对本发明作进一步阐述。在此需要说明的是，对于这些实施例方式的说明虽然是用于帮助理解本发明，但并不构成对本发明的限定。本文公开的特定结构和功能细节仅用于描述本发明的示例实施例。然而，可用很多备选的形式来体现本发明，并且不应当理解为本发明限制在本文阐述的实施例中。
应当理解，尽管本文可能使用术语第一、第二等等来描述各种单元，但是这些单元不应当受到这些术语的限制。这些术语仅用于区分一个单元和另一个单元。例如可以将第一单元称作第二单元,并且类似地可以将第二单元称作第一单元，同时不脱离本发明的示例实施例的范围。
应当理解，对于本文中可能出现的术语“和/或”，其仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，单独存在B，同时存在A和B三种情况；对于本文中可能出现的术语“/和”，其是描述另一种关联对象关系，表示可以存在两种关系，例如，A/和B，可以表示：单独存在A，单独存在A和B两种情况；另外，对于本文中可能出现的字符“/”，一般表示前后关联对象是一种“或”关系。
应当理解，在本文中若将单元称作与另一个单元“连接”、“相连”或“耦合”时，它可 以与另一个单元直相连接或耦合，或中间单元可以存在。相対地，在本文中若将单元称作与另一个单元“直接相连”或“直接耦合”时，表示不存在中间单元。另外，应当以类似方式来解释用于描述单元之间的关系的其他单词(例如，“在……之间”对“直接在……之间”,“相邻”对“直接相邻”等等)。
应当理解，本文使用的术语仅用于描述特定实施例，并不意在限制本发明的示例实施例。若本文所使用的，单数形式“一”、“一个”以及“该”意在包括复数形式，除非上下文明确指示相反意思。还应当理解，若术语“包括”、“包括了”、“包含”和/或“包含了”在本文中被使用时,指定所声明的特征、整数、步骤、操作、单元和/或组件的存在性,并且不排除一个或多个其他特征、数量、步骤、操作、单元、组件和/或他们的组合存在性或增加。
应当理解，还应当注意到在一些备选实施例中，所出现的功能/动作可能与附图出现的顺序不同。例如,取决于所涉及的功能/动作,实际上可以实质上并发地执行,或者有时可以以相反的顺序来执行连续示出的两个图。
应当理解，在下面的描述中提供了特定的细节,以便于对示例实施例的完全理解。然而,本领域普通技术人员应当理解可以在没有这些特定细节的情况下实现示例实施例。例如可以在框图中示出系统，以避免用不必要的细节来使得示例不清楚。在其他实例中，可以不以不必要的细节来示出众所周知的过程、结构和技术，以避免使得示例实施例不清楚。
实施例一
如图1～5所示，本实施例提供的所述具有推车功能的儿童汽车安全座椅，包括有座椅本体1、前支撑腿2、前轮3、后支撑腿4和后轮5，其中，所述座椅本体1包括有底座部101、靠背部102和侧翼部103；所述前支撑腿2的顶部通过前端转轴601转动连接所述底座部101的前端，所述前支撑腿2的底部转动连接所述前轮3；所述后支撑腿4的顶部通过后端转轴602转动连接所述靠背部102的左侧底端和/或右侧底端，所述后支撑腿4的底部转动连接所述后轮5；所述靠背部102的底端连接所述底座部101的后端，所述侧翼部103连接所述靠背部102的侧边且一一对应地与所述后支撑腿4同侧，在所述侧翼部103的后视面上开有用于容纳对应侧所述后支撑腿4及所述后轮5的第一收纳槽1031，使得在折叠作为儿童汽车安全座椅时，可将对应侧的所述后支撑腿4及所述后轮5向后旋进所述第一收纳槽1031中，以及在展开作为推车时，可将对应侧的所述后支撑腿4及所述后轮5从所述第一收纳槽1031中向前旋出。
如图1～5所示，在所述儿童汽车安全座椅的具体结构中，所述座椅本体1用于承载儿童身体，其可以但不限于由金属、塑料、树脂、硅胶、木材、化纤、布料、玻璃、纤维和/或陶瓷等材质制成，优选的，所述底座部101、所述靠背部102和/或所述侧翼部103构成一体成型结构。所述前支撑腿2、所述前轮3、所述后支撑腿4和所述后轮5用于构成所述座椅本体1的手推行走机构，以便使所述儿童汽车安全座椅具有推车功能；所述前支撑腿2、所述前轮3、所述后支撑腿4或所述后轮5可以但不限于由金属、塑料、树脂、硅胶、木材、 化纤、布料、玻璃、纤维和/或陶瓷等材质制成。所述前端转轴601用于作为前端转动中心点，使所述前支撑腿2能够相对于所述底座部101向前或向后旋转，以便展开推车(向前旋转)或折叠收纳(向后旋转)；所述后端转轴602用于作为后端转动中心，使所述后支撑腿4能够相对于所述靠背部102向前或向后旋转，以便展开推车(向前旋转)或折叠收纳(向后旋转)；所述前端转轴601或所述后端转轴602可以但不限于由金属、塑料、树脂、硅胶、木材、化纤、布料、玻璃、纤维和/或陶瓷等材质制成。
如图2所示，由于在折叠作为儿童汽车安全座椅时，所述第一收纳槽1031可以旋进收纳对应侧的所述后支撑腿4及所述后轮5，因此一方面通过将所述后支撑腿4及所述后轮5收纳进所述座椅本体1的侧翼部103，可对所述侧翼部103起到一个加肋增强的作用，进而形成一个整体结构，大大提升安全座椅在对应侧的侧翼防护性能，另一方面由于所述第一收纳槽1031位于所述座椅本体1的侧翼部103，其容纳尺寸可以做到很大，进而利于将所述后轮5的尺寸做到足够大，适用不同程度的凹凸不平地面，可提升推车使用的稳定性和路面适用性。具体的，如图2所示，所述后支撑腿4为两根，并分别转动连接所述靠背部102的左侧底端和右侧底端，所述侧翼部103也分别一一对应地设置在所述靠背部102的左右两侧，进而使所述座椅本体1的左右两侧都能大大提升侧翼防护性能；为了增强后部支撑腿的稳定性，两根所述后支撑腿4还可以通过一根横杆(图中未标识)互连。此外，为了方便折叠收纳所述后支撑腿4及所述后轮5，所述后支撑腿4具体可采用单节腿结构、可旋转折叠的双节腿结构或可旋转折叠的多节腿结构，所述后支撑腿4的底部可根据需要转动连接一个、两个或多个所述后轮5。如图3所示，所述后支撑腿4具体采用了单节腿结构，所述后支撑腿4的底部转动连接一个所述后轮5。
优化的，当所述前支撑腿2一一对应地与所述侧翼部103同侧设置时，在所述底座部101的仰视面上开有用于容纳对应侧所述前支撑腿2顶部及中部的第二收纳槽1032，所述第一收纳槽1031还用于容纳对应侧的所述前支撑腿2底部及所述前轮3，使得在折叠作为儿童汽车安全座椅时，可将对应侧的所述前支撑腿2顶部及中部向后旋进所述第二收纳槽1032中，并同步地将对应侧的所述前支撑腿2底部及所述前轮3向后旋进所述第一收纳槽1031中，以及在展开作为推车时，可将对应侧的所述前支撑腿2顶部及中部从所述第二收纳槽1032中向前旋出，并同步地将对应侧的所述前支撑腿2底部及所述前轮3从所述第一收纳槽1031中向前旋出。如图2和3所示，通过将所述前支撑腿2的顶部及中部收纳进所述底座部101的对应侧中，可以对所述底座部101的侧边也起到一个加肋增强的作用，大大提升所述底座部101在对应侧边的防护性能，同时也可以通过将所述前支撑腿2底部及所述前轮3收纳进所述座椅本体1的侧翼部103，进一步对所述侧翼部103起到一个加肋增强的作用，大大提升整个安全座椅在对应侧的侧翼防护性能，以及也可利于将所述前轮3的尺寸做到足够大，进一步适用不同程度的凹凸不平地面，提升推车使用的稳定性和路面适用性。具体的，如图3所示，所述前支撑腿2也为两根，并分别转动连接所述底座部101的左侧前端和右侧前端，进一步使所述座椅本体1的左右两侧都能大大提升侧翼防护性能；为了增强前部支撑腿的稳定性，两根所述前支撑腿2还可以通过一根横杆(图中未标识)互连。此外，为了方便折叠收纳所述前支撑腿2及所述前轮3，所述前支撑腿2也具体可采用单节腿结构、可旋转折叠的双节腿结构或可旋转折叠的多节腿结构，所述前支撑腿2的底部可根据需要转动连接一个、 两个或多个所述前轮3。如图3所示，所述前支撑腿2具体采用了可旋转折叠的三节腿结构，所述前支撑腿2的底部也转动连接一个所述前轮3。
进一步优化的，同侧的所述第二收纳槽1032与所述第一收纳槽1031连通。通过前述连通设置，可使所述前支撑腿2底部及所述前轮3在同步地向后旋进对应侧的所述第一收纳槽1031中时，无隔板阻碍，确保旋进正常和方便。另外，在折叠作为儿童汽车安全座椅时，使所述前支撑腿2底部及所述前轮3与所述后支撑腿4在所述第一收纳槽1031中错位放置。如图2所示，通过前述设计，可以使所述前支撑腿2底部及所述前轮3与所述后支撑腿4不会相互阻碍对方的旋进/旋出，确保能够正常折叠收纳或展开使用，同时还可使所述前支撑腿2底部及所述前轮3与所述后支撑腿4在折叠收纳时，能够形成一个加厚的整体性加肋增强结构，进一步提升安全座椅在对应侧的侧翼防护性能。
优化的，在支撑腿顶部7的旋转面上环向设有折叠孔位701和展开孔位702，并在所述座椅本体1上设有与所述支撑腿顶部7对应的状态锁定组件，其中，所述支撑腿顶部7为所述前支撑腿2的顶部或所述后支撑腿4的顶部，所述折叠孔位701位于所述展开孔位702的转动前方；所述状态锁定组件包括手拉开关801、拉线802、拉栓803、复位弹性件804和限位件805，其中，所述手拉开关801连接所述拉线802的一端，所述拉线802的另一端连接所述拉栓803的尾部，所述复位弹性件804套在所述拉栓803上且两端分别与所述拉栓803的头部和所述限位件805相抵，所述限位件805固定在所述座椅本体1上；在拉动所述手拉开关801时，所述拉栓803的头部随着所述拉线802的后撤，抽出对应的所述折叠孔位701或所述展开孔位702，使对应的支撑腿顶部7及支撑腿处于可旋转切换状态；在松开所述手拉开关801时，所述拉栓803的头部由所述复位弹性件804驱动复位，插入对应的所述折叠孔位701或所述展开孔位702，使对应的支撑腿顶部7及支撑腿处于锁定状态。
如图4和5所示，所述状态锁定组件用于锁定对应的支撑腿顶部7及支撑腿，使他们保持折叠收纳状态(当所述拉栓803的头部插入对应的所述折叠孔位701时)或展开使用状态(当所述拉栓803的头部插入对应的所述展开孔位702时)。在所述状态锁定组件的具体结构中，所述手拉开关801用于提供手动作用部，以便用手拉动所述拉线802，使所述拉栓803的头部随着所述拉线802的后撤，抽出对应的所述折叠孔位701或所述展开孔位702，实现状态解锁目的；所述手拉开关801可以但不限于由金属、塑料、树脂、硅胶、木材、化纤、布料、玻璃、纤维和/或陶瓷等材质制成。所述拉线802用于传导拉力，其可具体设置在走线方式固定的拉线管道中，以便在所述座椅本体1上进行布置；所述拉线802可以但不限于由金属、塑料、树脂、硅胶、木材、化纤、布料、玻璃、纤维和/或陶瓷等材质制成。所述拉栓803用于在抽出孔位时实现状态解锁目的，以便切换状态，而在插入孔位时实现状态锁定，以便稳定作为安全座椅或推车使用；所述拉栓803可以但不限于由金属、塑料、树脂、硅胶、木材、化纤、布料、玻璃、纤维和/或陶瓷等材质制成。所述复位弹性件804用于在所述手拉开关801被拉动时，压缩存储动能，而在所述手拉开关801被松开时，复位释放动能，以便驱动所述拉栓803插入此时位置对应的孔位(可通过旋转支撑腿的角度，调整所述拉栓803与所述折叠孔位701或所述展开孔位702的相对位置)；所述复位弹性件804可以但不限于由金属、塑料、树脂、硅胶、木材、化纤、布料、玻璃、纤维和/或陶瓷等材质制 成，优选为弹簧。所述限位件805用于作为所述复位弹性件804在压缩存储动能或复位释放动能时的固定支点，止挡所述复位弹性件804；所述限位件805可以但不限于由金属、塑料、树脂、硅胶、木材、化纤、布料、玻璃、纤维和/或陶瓷等材质制成。
前述状态锁定组件的折叠使用方法，可以但不限于包括如下步骤：用一只手拉动所述手拉开关801，该开关拉动所述拉线802移动，然后由所述拉线802带动所述拉栓803退出展开孔位702，此时所述前支撑腿2和/或所述后支撑腿4不受所述拉栓803锁定，可用另外一只手将所述前支撑腿2和/或所述后支撑腿4往座椅侧翼方向转动；然后松开所述手拉开关801，同时将所述前支撑腿2和/或所述后支撑腿4继续往座椅侧翼方向转动，当所述折叠孔位701对着所述拉栓803时，所述拉栓803由于所述复位弹性件804的弹性作用，将进入所述折叠孔位701，此时所述前支撑腿2底部和/或所述后支撑腿4被固定在侧翼收纳槽内，与对应的所述侧翼部103形成一体的整体结构，这个整体结构可以很大程度地提升侧面防护性能。此时可以作为安全座椅使用，通过所述前支撑腿2底部和/或所述后支撑腿4使所述侧翼部103的碰撞吸能效果更强。
优化的，在所述座椅本体1上还设有与所述支撑腿顶部7一一对应的扭簧9，其中，所述扭簧9的一端固定连接所述座椅本体1，所述扭簧9的另一端固定连接对应的所述支撑腿顶部7；当所述支撑腿顶部7的折叠孔位701被对应的所述拉栓803头部插入时，所述扭簧9处于扭曲待复位状态。如图1～3所述，通过设置所述扭簧9，可在所述拉栓803头部抽出所述折叠孔位701时(即手拉所述手拉开关801时)，利用所述扭簧9的复位作用，使对应的支撑腿顶部7及支撑腿自动或被助力地向前旋转展开，实现单手或省力地将安全座椅展开为推车的目的，方便使用和省力。此外，所述扭簧9可以但不限于由金属、塑料、树脂、硅胶、木材、化纤、布料、玻璃、纤维和/或陶瓷等材质制成。
前述状态锁定组件与扭簧的展开使用方法，可以但不限于包括如下步骤：用一只手拉动所述手拉开关801，该开关拉动所述拉线802移动，然后由所述拉线802带动所述拉栓803退出所述折叠孔位701，此时所述前支撑腿2和/或所述后支撑腿4不受所述拉栓803锁定，可通过所述扭簧9带动支撑腿向前旋转；然后松开所述手拉开关801，当支撑腿旋转到最远端时，所述拉栓803将对准所述展开孔位702，然后所述拉栓803由于所述复位弹性件804的弹性作用，将进入所述展开孔位702，固定所述前支撑腿2和/或所述后支撑腿4并使其无法转动。此时可以作为推车使用。
另外，基于前述相同的结构原理，也可以在所述支撑腿顶部7的展开孔位702被对应的所述拉栓803头部插入时，使所述扭簧9处于扭曲待复位状态，进而在所述拉栓803头部抽出所述展开孔位702时(即手拉所述手拉开关801时)，利用所述扭簧9的复位作用，使对应的支撑腿顶部7及支撑腿自动或被助力地向后旋转折叠，实现单手或省力地将推车折叠为安全座椅的目的。
优化的，还包括固定连接所述座椅本体1的ISOFIX接头；在折叠作为儿童汽车安全座椅时，所述ISOFIX接头在向后拉出后可用于锁定连接汽车座椅上的ISOFIX接口。通过前述设计，可在安全座椅处于折叠状态时，使所述ISOFIX接头(ISOFIX是指一种儿童约束系统 与车辆连接的一种系统，它包括车辆上的二个刚性连接点，儿童约束系统上的二个相适应的刚性连接装置，还有一种抗翻转的方法，它是一个关于在汽车中安置儿童座椅的新标准，这一标准正在为众多汽车制造商所接受，附图中未示出)恰好能够与汽车座椅上的ISOFIX接口进行锁定连接，以便将安全座椅被牢牢地固定在汽车的成人座椅上面,使所述座椅本体1可以吸收由ISOFIX接口及接头带来的冲击力，然后再传导到所述后支撑腿4、整个靠背部102、侧翼部103和座椅本体1；在推车状态时，所述后端转轴602可以固定所述后支撑腿4且与所述后支撑腿4旋转连接，进而支撑整个座椅和儿童的重量。此外，所述ISOFIX接头可以但不限于由金属、塑料、树脂、硅胶、木材、化纤、布料、玻璃、纤维和/或陶瓷等材质制成。
前述ISOFIX接头与ISOFIX接口的连接方法，可以但不限于包括如下步骤：在将所述前支撑腿2和/或所述后支撑腿4固定在侧翼收纳槽内后，用手按住所述ISOFIX接头的解锁开关，然后拉出所述ISOFIX接头并对准汽车座椅上的ISOFIX接口，再用手把安全座椅往汽车成人座椅上向推，当听到“嗒”的一声响时，所述ISOFIX接头即与ISOFIX接口成功咬合固定在一起，使安全座椅被牢牢地固定在汽车的成人座椅上面。此时，与所述ISOFIX接头一起固定连接的后端转轴602(即具体连接在所述后端转轴602上)可以吸收由ISOFIX接口及接头带来的冲击力，然后再传导到所述后支撑腿4、整个靠背部102、侧翼部103和座椅本体1；所述后支撑腿4、后轮5、前支撑腿2、前轮3、ISOFIX接头、前后端转轴、侧翼部103和/或靠背部102可形成一个系统全面的吸能固定整体结构，使安全座椅的安全性更高，进而更好地保护儿童行车安全。
优化的，在所述靠背部102的后视面顶部设有可抽出及缩进的推杆11和用于锁定所述推杆11的推杆锁定开关12。如图2～3所示，通过前述结构设计，可在展开使用时，解锁所述推杆锁定开关12，将所述推杆11从所述靠背部102中拉出，进行推车使用。前述推杆11及所述推杆锁定开关12的工作原理可参照现有的行李箱拉杆机构。此外，所述推杆11或所述腿管锁定开关12可以但不限于由金属、塑料、树脂、硅胶、木材、化纤、布料、玻璃、纤维和/或陶瓷等材质制成。
优化的，在所述靠背部102的前视面上设有安全带13以及位于顶部的U型护头枕14。如图1所示，通过设置所述安全带13，可将儿童身体有效束缚在安全座椅上，确保刹车安全。另外通过设置所述U型护头枕14，可以进一步利用U型结构的两翼加强对儿童头部的侧翼保护。此外，所述安全带13或所述U型护头枕14可以但不限于由金属、塑料、树脂、硅胶、木材、化纤、布料、玻璃、纤维和/或陶瓷等材质制成。
综上，采用本实施例所提供的具有推车功能的儿童汽车安全座椅，具有如下技术效果：
(1)本实施例提供了一种既具有适用性强的推车功能又能增强侧面防护性能的新型安全座椅，即一方面通过将后支撑腿及后轮收纳进座椅本体的侧翼部，可对侧翼部起到一个加肋增强的作用，进而形成一个整体结构，大大提升安全座椅在对应侧的侧翼防护性能，另一方面由于收纳槽位于座椅本体的侧翼部，其容纳尺寸可以做到很大，进而利于将后轮的尺寸做到足够大，适用不同程度的凹凸不平地面，可提升推车使用的稳定性和路面适用性；
(2)通过将前支撑腿的顶部及中部收纳进底座部的对应侧中，可以对底座部的侧边也起到一个加肋增强的作用，大大提升底座部在对应侧边的防护性能，同时还可以通过将前支撑腿底部及前轮收纳进座椅本体的侧翼部，进一步对侧翼部起到一个加肋增强的作用，大大提升安全座椅在对应侧的侧翼防护性能，以及进一步利于将前轮的尺寸也做到足够大，提升推车使用的稳定性和路面适用性；
(3)通过对前支撑腿底部及前轮与后支撑腿在收纳槽中进行错位放置设计，可以使前支撑腿底部及前轮与后支撑腿不会相互阻碍对方的旋进/旋出，确保能够正常折叠收纳或展开使用，同时还可使前支撑腿底部及前轮与后支撑腿在折叠收纳时，能够形成一个加厚的整体性加肋增强结构，进一步提升安全座椅在对应侧的侧翼防护性能；
(4)可使前后支撑腿收纳进安全座椅内部，这些支撑腿也可以同时增加安全座椅的结构强度，并且在展开前后支撑腿后可提供推车功能；
(5)可把两条前支撑腿与安全座椅的连接处设置在底座部前端的左右两侧，把两条后支撑腿与安全座椅的连接处设置在靠背部的底端左右两侧，然后把前支撑腿底部和/或前轮与后支撑腿和/或后轮往座椅本体内旋转再被收纳进侧翼部的凹形收纳槽内，使前支撑腿底部和/或前轮、后支撑腿和/或后轮与侧翼两侧一起形成一个整体的结构，这时的侧翼有前支撑腿底部和/或前轮与后支撑腿和/或后轮的支撑，侧翼整体结构强度会增加很多，侧翼变形程度降到最低且对侧面碰撞具有更高地吸能作用，这种结构使儿童身体侧面保护更充分和完全；
(6)由于可把前支撑腿底部和/或后支撑腿与前轮和/或后轮完全收纳进侧翼部的凹形收纳槽，可使靠背部的整体强度变得更高，对冲击力的吸能作用更强，对儿童的头部、手臂和肩膀的保护更充分；同时可以把前轮和/或后轮的直径做到足够大，甚至可以做到20公分的直径，进而适应不同程度的凹凸不平路面；并且当从推车转换为安全座椅在车内使用时，可确保轮子上的脏东西不与车内成人座椅表面相接触，车内环境更卫生；此外，这种设计结构还可以使前轮和后轮以及轮上的污物完全地隐藏在侧翼内部，使外观看起来更整洁美观；
(7)可将支撑腿的转轴作为转动中心点，使前支撑腿底部和/或后支撑腿与前轮和/或后轮往座椅靠背方向旋转折叠并收纳进侧翼部，相对于同类产品的支撑腿的伸缩收纳机构，此旋转折叠机构去掉了大量的连接杆和转轴，具有生产成本更低、机构简单、维护方便和产品重量少等优点；
(8)前后支撑腿的左右轮间距可达到较大距离，加上前后支撑腿分别处于安全座椅本体的最前端和最后端，四个轮子的着力点分别位于前后左右的外侧，此种结构支撑稳定性更高，更能平衡前后左右的宽度带来的重量差；
(9)在不妨碍前支撑腿在侧翼内顺畅进行折叠和展开的前提下，对后支撑腿与座椅本体的连接处的左右间距进行了优化：左右间距小于大部分小体积轿车后排座的安全带插孔位置的距离，让车载3点式安全带的插孔不再受遮挡并可以正常使用。
实施例二
如图6～8所示，本实施例在实施例一的技术基础上还提供了另一种具有推车功能的儿童汽车安全座椅，其采用了拉簧方案来替代扭簧方案，即在所述座椅本体1上还设有与所述支撑腿顶部7一一对应的拉簧10，其中，所述拉簧10的一端固定连接位于所述座椅本体1 上的第一固定柱，所述拉簧10的另一端固定连接位于对应所述支撑腿顶部7上的第二固定柱,当所述支撑腿顶部7的折叠孔位701被对应的所述拉栓803头部插入时，所述拉簧10处于伸长待复位状态。
如图6～8所示，通过设置所述拉簧10，可在所述拉栓803头部抽出所述折叠孔位701时(即手拉所述手拉开关801时)，利用所述拉簧10的复位作用，使对应的支撑腿顶部7及支撑腿自动或被助力地向前旋转展开，实现单手或省力地将安全座椅展开为推车的目的，方便使用和省力。此外，所述拉簧10可以但不限于由金属、塑料、树脂、硅胶、木材、化纤、布料、玻璃、纤维和/或陶瓷等材质制成。
前述状态锁定组件与拉簧的展开使用方法，可以但不限于包括如下步骤：当所述手拉开关801被拉起并带动所述拉栓803移出所述折叠孔位701时，所述前支撑腿2和/或所述后支撑腿4不受所述拉栓803锁定，可通过所述拉簧10拉动对应支撑腿旋转直到最前端时，所述展开孔位702正好对准所述拉栓803，此时松开所述手拉开关801，所述拉栓803即插入所述展开孔位702，这时前后支撑腿被固定，可以作为推车使用；当所述手拉开关801被拉起并带动所述拉栓803移出所述展开孔位702时，可把座椅放在一个物体的平面(比如地面或者汽车的成人座椅平面)后再松开所述手拉开关801，可利用座椅的重力作用，使前支撑腿2向后旋转进侧翼凹槽内，对应的拉栓803会弹回对应前支撑腿2的折叠孔位701，然后用手把后支撑腿4往靠背方向旋转进侧翼凹槽后，对应的拉栓803会弹回对应后支撑腿4的折叠孔位701，此时前后支撑腿均被限位在侧翼凹槽内而无法旋转，可以作为儿童安全座椅使用。由此还可以通过设置所述拉簧10，方便自动展开和省力地完成折叠目的。
以上所描述的多个实施例仅仅是示意性的，若涉及到作为分离部件说明的单元，其可以是或者也可以不是物理上分开的；若涉及到作为单元显示的部件，其可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。本领域普通技术人员在不付出创造性的劳动的情况下，即可以理解并实施。
以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。
最后应说明的是，本发明不局限于上述可选的实施方式，任何人在本发明的启示下都可得出其他各种形式的产品。上述具体实施方式不应理解成对本发明的保护范围的限制，本发明的保护范围应当以权利要求书中界定的为准，并且说明书可以用于解释权利要求书。

Claims (10)

  1. 一种具有推车功能的儿童汽车安全座椅，其特征在于：包括有座椅本体(1)、前支撑腿(2)、前轮(3)、后支撑腿(4)和后轮(5)，其中，所述座椅本体(1)包括有底座部(101)、靠背部(102)和侧翼部(103)；
    所述前支撑腿(2)的顶部通过前端转轴(601)转动连接所述底座部(101)的前端，所述前支撑腿(2)的底部转动连接所述前轮(3)；
    所述后支撑腿(4)的顶部通过后端转轴(602)转动连接所述靠背部(102)的左侧底端和/或右侧底端，所述后支撑腿(4)的底部转动连接所述后轮(5)；
    所述靠背部(102)的底端连接所述底座部(101)的后端，所述侧翼部(103)连接所述靠背部(102)的侧边且一一对应地与所述后支撑腿(4)同侧，在所述侧翼部(103)的后视面上开有用于容纳对应侧所述后支撑腿(4)及所述后轮(5)的第一收纳槽(1031)，使得在折叠作为儿童汽车安全座椅时，可将对应侧的所述后支撑腿(4)及所述后轮(5)向后旋进所述第一收纳槽(1031)中，以及在展开作为推车时，可将对应侧的所述后支撑腿(4)及所述后轮(5)从所述第一收纳槽(1031)中向前旋出。
  2. 如权利要求1所述的一种具有推车功能的儿童汽车安全座椅，其特征在于：当所述前支撑腿(2)一一对应地与所述侧翼部(103)同侧设置时，在所述底座部(101)的仰视面上开有用于容纳对应侧所述前支撑腿(2)顶部及中部的第二收纳槽(1032)，所述第一收纳槽(1031)还用于容纳对应侧的所述前支撑腿(2)底部及所述前轮(3)，使得在折叠作为儿童汽车安全座椅时，可将对应侧的所述前支撑腿(2)顶部及中部向后旋进所述第二收纳槽(1032)中，并同步地将对应侧的所述前支撑腿(2)底部及所述前轮(3)向后旋进所述第一收纳槽(1031)中，以及在展开作为推车时，可将对应侧的所述前支撑腿(2)顶部及中部从所述第二收纳槽(1032)中向前旋出，并同步地将对应侧的所述前支撑腿(2)底部及所述前轮(3)从所述第一收纳槽(1031)中向前旋出。
  3. 如权利要求2所述的一种具有推车功能的儿童汽车安全座椅，其特征在于：同侧的所述第二收纳槽(1032)与所述第一收纳槽(1031)连通；
    和/或，在折叠作为儿童汽车安全座椅时，使所述前支撑腿(2)底部及所述前轮(3)与所述后支撑腿(4)在所述第一收纳槽(1031)中错位放置。
  4. 如权利要求1～3任意一项所述的一种具有推车功能的儿童汽车安全座椅，其特征在于：在支撑腿顶部(7)的旋转面上环向设有折叠孔位(701)和展开孔位(702)，并在所述座椅本体(1)上设有与所述支撑腿顶部(7)对应的状态锁定组件，其中，所述支撑腿顶部(7)为所述前支撑腿(2)的顶部或所述后支撑腿(4)的顶部，所述折叠孔位(701)位于所述展开孔位(702)的转动前方；
    所述状态锁定组件包括手拉开关(801)、拉线(802)、拉栓(803)、复位弹性件(804)和限位件(805)，其中，所述手拉开关(801)连接所述拉线(802)的一端，所述拉线(802)的另一端连接所述拉栓(803)的尾部，所述复位弹性件(804)套在所述拉栓(803)上且两端分别与所述拉栓(803)的头部和所述限位件(805)相抵，所述限位件(805)固定在所述座椅本体(1)上；
    在拉动所述手拉开关(801)时，所述拉栓(803)的头部随着所述拉线(802)的后撤， 抽出对应的所述折叠孔位(701)或所述展开孔位(702)，使对应的支撑腿顶部(7)及支撑腿处于可旋转切换状态；
    在松开所述手拉开关(801)时，所述拉栓(803)的头部由所述复位弹性件(804)驱动复位，插入对应的所述折叠孔位(701)或所述展开孔位(702)，使对应的支撑腿顶部(7)及支撑腿处于锁定状态。
  5. 如权利要求4所述的一种具有推车功能的儿童汽车安全座椅，其特征在于：
    在所述座椅本体(1)上还设有与所述支撑腿顶部(7)一一对应的扭簧(9)，其中，所述扭簧(9)的一端固定连接所述座椅本体(1)，所述扭簧(9)的另一端固定连接对应的所述支撑腿顶部(7),当所述支撑腿顶部(7)的折叠孔位(701)和/或展开孔位(702)被对应的所述拉栓(803)头部插入时，所述扭簧(9)处于扭曲待复位状态；
    或者，在所述座椅本体(1)上还设有与所述支撑腿顶部(7)一一对应的拉簧(10)，其中，所述拉簧(10)的一端固定连接位于所述座椅本体(1)上的第一固定柱，所述拉簧(10)的另一端固定连接位于对应所述支撑腿顶部(7)上的第二固定柱,当所述支撑腿顶部(7)的折叠孔位(701)被对应的所述拉栓(803)头部插入时，所述拉簧(10)处于伸长待复位状态。
  6. 如权利要求1所述的一种具有推车功能的儿童汽车安全座椅，其特征在于：还包括固定连接所述座椅本体(1)的ISOFIX接头；
    在折叠作为儿童汽车安全座椅时，所述ISOFIX接头在向后拉出后可用于锁定连接汽车座椅上的ISOFIX接口。
  7. 如权利要求1所述的一种具有推车功能的儿童汽车安全座椅，其特征在于：在所述靠背部(102)的后视面顶部设有可抽出及缩进的推杆(11)和用于锁定所述推杆(11)的推杆锁定开关(12)。
  8. 如权利要求1所述的一种具有推车功能的儿童汽车安全座椅，其特征在于：在所述靠背部(102)的前视面上设有安全带(13)以及位于顶部的U型护头枕(14)。
  9. 如权利要求1所述的一种具有推车功能的儿童汽车安全座椅，其特征在于：所述前支撑腿(2)或所述后支撑腿(4)采用单节腿结构、可旋转折叠的双节腿结构或可旋转折叠的多节腿结构。
  10. 如权利要求1所述的一种具有推车功能的儿童汽车安全座椅，其特征在于：所述底座部(101)、所述靠背部(102)和/或所述侧翼部(103)构成一体成型结构；
    和/或，所述前支撑腿(2)的底部转动连接一个、两个或多个所述前轮(3)；
    和/或，所述后支撑腿(4)的底部转动连接一个、两个或多个所述后轮(5)。
PCT/CN2020/124531 2019-11-18 2020-10-28 一种具有推车功能的儿童汽车安全座椅 WO2021098463A1 (zh)

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