WO2019144509A1 - 儿童安全座椅及其安全带的安装结构 - Google Patents

儿童安全座椅及其安全带的安装结构 Download PDF

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Publication number
WO2019144509A1
WO2019144509A1 PCT/CN2018/082828 CN2018082828W WO2019144509A1 WO 2019144509 A1 WO2019144509 A1 WO 2019144509A1 CN 2018082828 W CN2018082828 W CN 2018082828W WO 2019144509 A1 WO2019144509 A1 WO 2019144509A1
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WO
WIPO (PCT)
Prior art keywords
frame
child safety
seat
belt
force
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Application number
PCT/CN2018/082828
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English (en)
French (fr)
Inventor
林浩
Original Assignee
上海沃雨电子科技有限公司
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Publication date
Application filed by 上海沃雨电子科技有限公司 filed Critical 上海沃雨电子科技有限公司
Publication of WO2019144509A1 publication Critical patent/WO2019144509A1/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
    • B60N2/265—Adaptations for seat belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/26—Anchoring devices secured to the seat

Definitions

  • the invention relates to the field of child safety seat structure, in particular to a child safety seat and a safety belt mounting structure thereof.
  • the motor vehicle child occupant restraint system is a tool used by children when they ride, that is, a child safety seat. Its function is to maximize the safety of children and reduce casualties in the event of emergency braking or crash. Rate, the child safety seat of the prior art is required to be placed on the car seat.
  • a common child safety seat uses a five-point safety belt to restrain the child occupant from the safety seat to reduce the risk of injury and injury.
  • the shoulder belt in the five-point seat belt can bear a huge force in the collision, and the existing shoulder belt is connected to the seat frame of the child safety seat by a single point, so that it is subjected to The force is transmitted to the seat frame through a single point of the connection, so that the stress of the seat frame is concentrated, which affects the overall strength of the seat frame.
  • the object of the present invention is to overcome the defects of the prior art, and to provide a child safety seat and a mounting structure of the mounting belt thereof, which solves the stress concentration of the seat frame existing in the existing single point force transmission connection manner and affects the overall strength. problem.
  • the present invention provides a seat belt mounting structure for a child safety seat, the child safety seat including a backrest frame, and the mounting structure includes:
  • the installation structure of the safety belt provided by the invention provides a force transmission skeleton on the backrest frame, and the shoulder belt portion is attached to the force transmission skeleton and bypasses the force transmission skeleton, so that the force received by the shoulder belt can be transmitted.
  • the force transmission skeleton transmits the force evenly to the side skeletons on both sides of the backrest skeleton via the force transmission skeleton, and then transmits the upward and downward directions through the side skeleton, and finally transmits to the car seat.
  • the two lateral skeletons are connected by the force-transmitting skeleton to form a force-bearing whole. Compared with the existing single-point force, a reasonable force transmission structure is formed to solve the problem of stress concentration and affecting the overall strength.
  • the mounting structure of the invention makes the backrest frame bear the force received by the shoulder belt, has better stability, ensures the stability of the backrest frame as a whole, and has a good effect on the protection effect and overall strength of the child safety seat. .
  • a further improvement of the mounting structure of the safety belt of the child safety seat of the present invention is that the force transmission skeleton is fixedly coupled to the top skeleton of the back frame.
  • a further improvement of the mounting structure of the safety belt of the child safety seat of the present invention is that the force transmission skeleton is provided with a plurality of vertical members spaced apart, and the top of the vertical member is fixed to the top skeleton of the backrest frame The spacing between the two vertical members on either side of the shoulder belt is adapted to the width of the shoulder belt to limit the shoulder belt.
  • a further improvement of the mounting structure of the safety belt of the child safety seat of the present invention is that the middle portion of the top frame of the back frame is fixed with a connection structure for connection with the car seat.
  • a further improvement of the mounting structure of the safety belt of the child safety seat of the present invention is that the bottom of the side frame of the backrest frame is connected to the cushion frame by a pin structure to constitute a seat frame of the child safety seat.
  • a further improvement of the mounting structure of the safety belt of the child safety seat of the present invention is that the portion of the shoulder belt attached to the force transmission skeleton is inclined.
  • the invention also provides a child safety seat comprising:
  • a backrest frame having two side frames arranged opposite each other;
  • a safety belt vertically disposed at the backrest frame, the top end of the safety belt is formed with two shoulder belts, the shoulder belts are attached to one side of the force transmission skeleton and are The top of the force transmission skeleton is bypassed and extends to the other side to form a shoulder strap exposed portion.
  • a further improvement of the child safety seat of the present invention is that the force transmission skeleton is fixedly coupled to the top skeleton of the back frame.
  • a further improvement of the child safety seat of the present invention is that the middle portion of the top frame of the backrest frame is fixed with a connection structure for connection with the car seat.
  • a further improvement of the child safety seat of the present invention is that the bottom of the side frame of the backrest frame is coupled to the cushion frame by a pin structure to constitute a seat frame of the child safety seat.
  • FIG. 1 is a schematic structural view of a mounting structure of a child safety seat and a safety belt thereof according to the present invention.
  • FIG. 2 is a front elevational view of the backrest structure of the child safety seat and its seat belt mounting structure of the present invention.
  • Figure 3 is a side elevational view of the mounting structure of the child safety seat and its safety belt of the present invention.
  • Fig. 4 is an enlarged schematic view showing the structure of the pin shaft structure in the mounting structure of the child safety seat and the safety belt thereof according to the present invention.
  • the present invention provides a child safety seat and a seat belt mounting structure thereof for solving the great force of the shoulder belt in a collision, and thereby the overall strength of the child safety seat during the conduction process.
  • the child safety seat of the present invention and the mounting structure of the mounting belt thereof transmit the force received by the shoulder belt to the two side skeletons of the back frame through the force transmission skeleton, and then the two side frames pass up and down
  • the connection position is transmitted to the car seat, and the force transmitted by the force transmission skeleton makes the back frame skeleton uniformly bear the force transmitted by the shoulder belt, avoiding the problem of stress concentration and affecting the overall strength of the seat, and the structure of the invention is reasonable
  • Conductive force has a positive effect on the protective effect of the child safety seat and its overall strength.
  • FIG 1 there is shown a structural schematic view of the mounting structure of the child safety seat and its safety belt of the present invention.
  • FIG 2 there is shown a front elevational view of the backrest structure of the child safety seat and its seat belt mounting structure of the present invention.
  • the mounting structure of the seat belt of the child safety seat of the present invention will be described with reference to Figs. 1 and 2.
  • the safety belt mounting structure of the child safety seat of the present invention includes a force transmission skeleton 22 and a shoulder safety belt 231, and the child safety seat 20 includes a backrest skeleton 211 as a child.
  • the support structure of the backrest of the safety seat 20 is the main force receiving member.
  • the force transmitting frame 22 is laterally supported between the two side frames 2111 opposite to each other on the back frame 211, and the force transmitting frame 22 is fixedly connected with the corresponding side frame 2111, and the two side frames 2111 are passed through the force transmitting frame 22.
  • the joints form a unitary force-bearing structure; the shoulder belts 231 are two, and the two shoulder belts 231 are formed from the end portions of the belts 23, and the shoulder belts 231 are attached to one of the force transmission frames 22
  • the side is bypassed from the top of the force transmitting skeleton 22 and extends to the other side to form the shoulder strap exposed portion 2311.
  • the surface on which the child safety seat 20 is placed and rested is the front side, and the other side of the front seat frame is the back side.
  • the surface of the back frame 22 near the front side is the first side, and the side near the back side is the second side.
  • the shoulder belt 231 When the shoulder belt 231 is disposed, the shoulder belt 231 is partially attached to the second side of the force transmission frame 22, and then passes around the top of the force transmission frame 22 to extend to the first side of the force transmission frame 22. A shoulder exposed portion 2311 for passing through the backrest of the child safety seat 20 for the user to wear.
  • the force transmitting path of the mounting structure of the seat belt of the present invention is that the shoulder belt 231 is directly transmitted to the force transmitting frame 22, and the force transmitting frame 22 is disposed in a lateral direction, and the force applying direction is perpendicular to In the direction in which the force transmission skeleton 22 is disposed laterally, the force transmitting skeleton 22 transmits the force received to the side skeletons 2111 on both sides, and the side skeleton 2111 transmits the force upward and downward, and transmits the upward force to the top skeleton 2112. Then, it is transmitted to the car seat through the joint, and is transmitted downward to the cushion frame 212, and then transmitted to the car seat through the joint.
  • the force acting on the shoulder belt 231 is transmitted through the force transmission skeleton 22 and the side frame 2111, so that the force is uniformly distributed on the back frame 211, and the overall force of the back frame 211 is achieved, thereby avoiding The problem of stress concentration affecting the overall strength.
  • the installation structure of the safety belt of the invention adopts the installation method of the shoulder belt to bypass the force transmission skeleton, and directly transmits the force of the shoulder belt to the force transmission skeleton, and the force transmission skeleton and the side skeletons on both sides
  • the 2111 is fixedly connected to form an integral force-receiving structure, that is, the entire backrest frame 211 is used for stress, and has high stability, and can ensure the overall strength of the backrest structure.
  • the force transmitting skeleton 22 is fixedly coupled to the top frame 2111 of the back frame 211.
  • the back frame 211 includes two oppositely disposed side frames 2112 and a top frame 2111 that are fixedly coupled to the top ends of the two side frames 2111 such that the back frame 211 is gate-shaped.
  • the force received by the force transmission skeleton 22 can be directly transmitted to the side skeleton 2111 and the top skeleton 2112, that is, the force of the force transmission skeleton 22,
  • the structure can be partially transmitted to the side frames 2111 on both sides, and the other part is transmitted to the top frame 2112.
  • the force transmission frame 22, the top frame 2112 and the two side frames 2111 are integrally connected to form an integrated force structure, and the structure is strong. The force is stable and firm, ensuring the overall strength and safety of the child safety seat.
  • the force transmitting frame 22 is provided with a plurality of vertical members 221 spaced apart from each other.
  • the top of the vertical member 221 is fixedly connected with the top frame 2112 of the back frame 211, and the connection between the vertical member 221 and the top frame 2112 is provided.
  • the plurality of vertical members 221 disposed at intervals are uniformly transmitted to the top frame 2112 by the force acting on the force transmitting frame 22, so that the top frame 2112 is uniformly stressed and structurally stable.
  • the spacing of the two vertical members 221 on either side of the shoulder belt 231 is adapted to the width of the shoulder belt 231 to limit the shoulder belt 231.
  • the two vertical members 221 located on both sides of the shoulder belt 231 limit the left and right side of the shoulder belt 231 in the lateral direction, effectively restraining the shoulder belt 231.
  • the middle portion of the top frame 2112 of the back frame 211 is fixed with a connecting structure 2113 for connecting with the car seat, and the child is safely connected through the connecting structure 2113.
  • the seat 20 is fixedly coupled to the car seat, and the force received by the top frame 2112 is transmitted to the car seat through the connecting structure 2113 when the force is transmitted.
  • the bottom of the side frame 2111 of the back frame 211 is connected to the cushion frame 212 by the pin structure 213 to constitute a seat of the child safety seat 20.
  • Chair frame 21 The shape of the seat frame 21 is similar to the shape of the child safety seat 20, and is used to provide a support foundation for the child safety seat 20, and the foam is integrally formed on the seat frame 21 to cover the cushion of the seat cushion frame 212.
  • the backrest of the backrest frame 211 is foamed, and then the cover is covered by the backrest foaming and the cushion foaming to form a child safety seat, and the corresponding shoulder strap exposed portion 2311 is provided on the backrest foaming.
  • the hole is such that the shoulder strap exposed portion 2311 can pass through the through hole to form a seat belt for the user to wear.
  • the seat frame 221 of the present invention connects the back frame 211 and the cushion frame 212 through the pin structure 213 provided, so that the back frame 211 can realize the folding function through the pin structure 213, and the back frame 211 can pass through in use.
  • the pin structure 213 is disposed on the cushion frame 212 in a vertical state for the user to lean on. When not in use, the back frame 211 can be folded down by the pin structure 213 and stacked above the cushion frame 212. , to achieve the function of folding, easy to store.
  • vertically connected connecting plates 2121 are connected to both sides of the cushion frame 212 , and the connecting plates 2121 and the corresponding side frames 2111 are passed through the pin structure 213 .
  • the side frame 2111 can be rotationally adjusted by the pin structure 213 and fixed after adjustment, and two connecting slots adapted to the limiting shaft of the pin structure 213 are disposed on the connecting plate 2121.
  • the first card slot is located at the top end of the connecting plate 2121.
  • the second card slot is located on the side of the connecting plate 2121 near the front of the child safety seat 20.
  • the limiting shaft of the pin structure 213 is locked in the first card slot, and the back frame 211 and the cushion frame are realized.
  • 212 is fixedly connected, and the force of the side frame 2111 is transmitted to the cushion frame 212 through the pin structure 213 when the force is transmitted; when the back frame 211 is horizontal, that is, the child safety seat 20 is folded.
  • the limiting shaft of the pin structure 213 is locked in the second card slot, and the fixed connection of the side frame 2111 and the cushion frame 212 after the folding is realized.
  • connection node is provided at the position of the child safety seat 20 corresponding to the pin structure 213, and the connection node is used for connecting with the ISOFIX on the car seat, thereby transmitting the force to the car seat through the connection node when the force is applied.
  • the force transmission path of the present invention enables the force applied to the shoulder belt 231 to be uniformly transmitted to the overall back frame 211, and when the back frame 211 transmits the force to the car seat, through the third The nodes are transferred, the first node is a connection structure 2113 located in the middle of the top skeleton 2112, and the second node and the third node are connection nodes connected to the car seat disposed at the two pin structures 213, three The nodes are located at the three vertices of the triangle, and the nodes transmitting the force can form a stable triangular force structure, and the force acting on the back frame 211 is on the force transmission skeleton 22, preferably, the force transmission skeleton 22 is disposed near the top frame 2112.
  • the portion of the shoulder belt 231 that is attached to the force transmission frame 22 is located at the middle of the triangle formed by the three nodes, so that the force transmission frame 22 and the back frame 211 are integrated as a force.
  • the force transmission skeleton 22 and the backrest skeleton 211 form a gate-shaped structural whole, and the forces in the two directions respectively act on the three vertices of the triangle and the middle of the triangle, one side
  • the force is the pulling force from the car seat that is perpendicular to the backrest and toward the back side, and the force in the other direction is the pulling force from the shoulder belt perpendicular to the backrest toward the front, so that the force is in the door type.
  • the structure is uniformly offset as a whole, which ensures the structural strength of the back frame 211 and forms a stable and reliable overall structure.
  • the shoulder belt 231 is attached to the force transmitting frame 22 in a slanted manner.
  • the force transmitting frame 22 includes two transverse members 222, the two transverse members 222 are disposed at a certain interval, and the vertical members 221 are vertically connected to the two transverse members 222.
  • the ends of the two cross members 222 are fixedly coupled to the inner side surfaces of the corresponding side frames 2111.
  • the two transverse members 222 are disposed at a certain interval, so that the contact area of the shoulder belt 231 with the transverse member 221 and the vertical member 222 is larger, thereby increasing the force receiving area and improving the stability of the force transmission.
  • the end of the mounting belt 23 bifurcated to form the shoulder belt 231 is in contact with the cross member 222 of the bottom of the force transmission frame 22, and the two shoulder belts 231 formed after the bifurcation are inclined upwardly from the top
  • the top of the transverse member 222 is bypassed so that the force transmitting portions of the two shoulder belts 231 also form a V-shaped structure through which the force is transmitted.
  • the present invention also provides a child safety seat, the child safety seat being described below.
  • the child safety seat 20 of the present invention includes a back frame 211, a force transmission skeleton 22 and a safety belt 23, and the back frame 211 has two side frames 2111 disposed opposite to each other; Supported between the two side frames 2111, and the force transmitting skeleton 22 is fixedly connected with the corresponding side frame 2111; the safety belt 23 is vertically disposed at the back frame 211, and the top end of the seat belt 23 is formed with two shoulders
  • the seat belt 231 is attached to one side of the force transmission frame 22 and is wound from the top of the force transmission frame 22 to extend to the other side to form the shoulder belt exposed portion 2311.
  • the surface on which the child safety seat 20 is placed and rested is the front side, and the other side of the front seat frame is the back side.
  • the surface of the back frame 22 near the front side is the first side, and the side near the back side is the second side.
  • the shoulder belt 231 is partially attached to the second side of the force transmission frame 22, and then passes around the top of the force transmission frame 22 to extend to the first side of the force transmission frame 22.
  • the force transmission path of the child safety seat of the present invention is that the shoulder safety belt 231 is directly transmitted to the force transmission skeleton 22, and the force transmission skeleton 22 is disposed in a lateral direction, and the force application direction is perpendicular to the transmission.
  • the force transmitting frame 22 transmits the force received to the side frames 2111 on both sides, and the side frame 2111 transmits the force upward and downward, and transmits it upward to the top frame 2112. It is then transmitted to the car seat through the joint, and is transmitted downward to the seat frame 212, and then transmitted to the car seat through the joint.
  • the force acting on the shoulder belt 231 is transmitted through the force transmission skeleton 22 and the side frame 2111, so that the force is uniformly distributed on the back frame 211, and the overall force of the back frame 211 is achieved, thereby avoiding The problem of stress concentration affecting the overall strength.
  • the invention adopts the installation method of the shoulder belt to bypass the force transmission skeleton, and directly transmits the force received by the shoulder belt to the force transmission skeleton, and the force transmission skeleton is fixedly connected with the side skeletons 2111 on both sides to form a joint.
  • the overall force-receiving structure that is, the entire backrest frame 211 is used for the force, has high stability, and can ensure the overall strength of the backrest structure.
  • the force transmitting skeleton 22 is fixedly coupled to the top frame 2112 of the back frame 211.
  • the back frame 211 includes two oppositely disposed side frames 2112 and a top frame 2111 that are fixedly coupled to the top ends of the two side frames 2111 such that the back frame 211 is gate-shaped.
  • the force received by the force transmission skeleton 22 can be directly transmitted to the side skeleton 2111 and the top skeleton 2112, that is, the force of the force transmission skeleton 22,
  • the structure can be partially transmitted to the side frames 2111 on both sides, and the other part is transmitted to the top frame 2112.
  • the force transmission frame 22, the top frame 2112 and the two side frames 2111 are integrally connected to form an integrated force structure, and the structure is strong. The force is stable and firm, ensuring the overall strength and safety of the child safety seat.
  • the force transmitting frame 22 is provided with a plurality of vertical members 221 spaced apart from each other.
  • the top of the vertical member 221 is fixedly connected with the top frame 2112 of the back frame 211, and the connection between the vertical member 221 and the top frame 2112 is provided.
  • the plurality of vertical members 221 disposed at intervals are uniformly transmitted to the top frame 2112 by the force acting on the force transmitting frame 22, so that the top frame 2112 is uniformly stressed and structurally stable.
  • the spacing of the two vertical members 221 on either side of the shoulder belt 231 is adapted to the width of the shoulder belt 231 to limit the shoulder belt 231.
  • the two vertical members 221 located on both sides of the shoulder belt 231 limit the left and right side of the shoulder belt 231 in the lateral direction, effectively restraining the shoulder belt 231.
  • the force transmission skeleton 22 further includes two transverse members 222, the two transverse members 222 are disposed at a certain interval, and the vertical members 221 are vertically connected to the two transverse members 222.
  • the ends of the two cross members 222 are fixedly coupled to the inner side surfaces of the corresponding side frames 2111.
  • the middle portion of the top frame 2112 of the back frame 211 is fixed to the connection structure 2113 for connection with the car seat.
  • the child safety seat 20 is fixedly coupled to the car seat by the connecting structure 2113, and the force received by the top frame 2112 is transmitted to the car seat through the connecting structure 2113 when the force is transmitted.
  • the bottom of the side frame 2111 of the back frame 211 is connected to the cushion frame 212 by the pin structure 231 to constitute a seat of the child safety seat 20.
  • Chair frame 21 The shape of the seat frame 21 is similar to the shape of the child safety seat 20, and is used to provide a support foundation for the child safety seat 20, and the foam is integrally formed on the seat frame 21 to cover the cushion of the seat cushion frame 212.
  • the backrest of the backrest frame 211 is foamed, and then the cover is covered by the backrest foaming and the cushion foaming to form a child safety seat, and the corresponding shoulder strap exposed portion 2311 is provided on the backrest foaming.
  • the hole is such that the shoulder strap exposed portion 2311 can pass through the through hole to form a seat belt for the user to wear.
  • the seat frame 221 of the present invention connects the back frame 211 and the cushion frame 212 through the pin structure 213 provided, so that the back frame 211 can realize the folding function through the pin structure 213, and the back frame 211 can pass through in use.
  • the pin structure 213 is disposed on the cushion frame 212 in a vertical state for the user to lean on. When not in use, the back frame 211 can be folded down by the pin structure 213 and stacked above the cushion frame 212. , to achieve the function of folding, easy to store.
  • the child safety seat 20 of the present invention includes the above-mentioned seat belt mounting structure of the child safety seat, and the force transmission path of the child safety seat 20 can be referred to the description of the force transmission path of the seat belt mounting structure portion, both The structure and effect are the same and will not be described here.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Seats For Vehicles (AREA)

Abstract

公开了一种儿童安全座椅及其安全带的安装结构。该儿童安全座椅（20）包括靠背骨架（211），该安装结构包括：传力骨架（222），其横向支撑于靠背骨架（211）上相对设置的两个侧部骨架（2111）之间，并与对应的侧部骨架（2111）固定连接；以及从安全带（23）的端部分叉形成的两个肩部安全带（231），该肩部安全带（231）贴设于传力骨架（222）的一侧并从传力骨架（222）的顶部绕过而向另一侧延伸形成肩带露出部（2311）。该儿童安全座椅利用传力骨架连接两个侧部骨架，形成一个受力整体，形成了合理的传力结构，使靠背骨架整体承受肩部安全带受到的力，具有较好的稳定性，并能确保靠背骨架整体的稳固可靠，从而解决应力集中以及影响整体强度的问题，增强儿童安全座椅的保护效果和整体强度。

Description

儿童安全座椅及其安全带的安装结构 技术领域
本发明涉及儿童安全座椅结构领域，特指一种儿童安全座椅及其安全带的安装结构。
背景技术
机动车儿童乘员用约束系统是儿童乘车时所使用的一种工具，也就是儿童安全座椅，其作用为：在遇到紧急刹车或撞车时，能最大限度地保障儿童生命安全，降低伤亡率，现有技术中的儿童安全座椅都是需要放置在汽车座椅上使用的。
常见的儿童安全座椅是采用五点式安全带来达到将儿童乘员约束于安全座椅上，以降低受伤风险及伤害。五点式安全带中的肩部安全带在碰撞中会承受巨大的作用力，而现有的肩部安全带均是通过单点连接在儿童安全座椅的座椅骨架上，从而其受到的力通过该连接单点传递给座椅骨架，使得座椅骨架的应力集中，影响座椅骨架的整体强度。
发明内容
本发明的目的在于克服现有技术的缺陷，提供一种儿童安全座椅及其安装带的安装结构，解决现有的单点传力的连接方式存在的座椅骨架应力集中而影响整体强度的问题。
实现上述目的的技术方案是：
本发明提供了一种儿童安全座椅的安全带的安装结构，所述儿童安全座椅包括靠背骨架，所述安装结构包括：
横向支撑于所述靠背骨架上相对设置的两个侧部骨架之间的传力骨架，并与对应的侧部骨架固定连接；以及
从安全带的端部分叉形成的两个肩部安全带，所述肩部安全带贴设于所述传力骨架的一侧并从所述传力骨架的顶部绕过而向另一侧延伸形成肩带露出部。
本发明提供的安全带的安装结构，在靠背骨架上设置传力骨架，将肩 部安全带部分贴设在传力骨架上并绕过该传力骨架，使得肩部安全带受到的力能够传递给传力骨架，经由传力骨架将力均匀传递给靠背骨架两侧的侧部骨架，再经由侧部骨架向上和向下传递，最终传递给汽车座椅。利用传力骨架连接两个侧部骨架，形成一个受力整体，相较于现有的单点的受力，形成了合理的传力结构，解决应力集中以及影响整体强度的问题。本发明的安装结构使得靠背骨架整体承受肩部安全带受到的力，具有较好的稳定性，确保了靠背骨架整体的稳固可靠，且对儿童安全座椅的保护效果以及整体强度有着利好的作用。
本发明儿童安全座椅的安全带的安装结构的进一步改进在于，所述传力骨架与所述靠背骨架的顶部骨架固定连接。
本发明儿童安全座椅的安全带的安装结构的进一步改进在于，所述传力骨架上设有间隔设置的多个竖向件，所述竖向件的顶部与所述靠背骨架的顶部骨架固定连接，且位于所述肩部安全带两侧的两个竖向件间的间距与所述肩部安全带的宽度相适配以对所述肩部安全带进行限位。
本发明儿童安全座椅的安全带的安装结构的进一步改进在于，所述靠背骨架的顶部骨架的中部固设有供与汽车座椅连接的连接结构。
本发明儿童安全座椅的安全带的安装结构的进一步改进在于，所述靠背骨架的侧部骨架的底部通过销轴结构与坐垫骨架对应连接从而构成儿童安全座椅的座椅骨架。
本发明儿童安全座椅的安全带的安装结构的进一步改进在于，所述肩部安全带贴设于所述传力骨架的部分呈倾斜状。
本发明还提供了一种儿童安全座椅，包括：
靠背骨架，具有相对设置的两个侧部骨架；
横向支撑于所述的两个侧部骨架之间的传力骨架，所述传力骨架与对应的侧部骨架固定连接；以及
竖向设于所述靠背骨架处的安全带，所述安全带的顶端分叉形成有两个肩部安全带，所述肩部安全带贴设于所述传力骨架的一侧并从所述传力骨架的顶部绕过而向另一侧延伸形成肩带露出部。
本发明儿童安全座椅的进一步改进在于，所述传力骨架与所述靠背骨架的顶部骨架固定连接。
本发明儿童安全座椅的进一步改进在于，所述靠背骨架的顶部骨架的中部固设有供与汽车座椅连接的连接结构。
本发明儿童安全座椅的进一步改进在于，所述靠背骨架的侧部骨架的底部通过销轴结构与坐垫骨架对应连接从而构成儿童安全座椅的座椅骨架。
附图说明
图1为本发明儿童安全座椅及其安全带的安装结构的结构示意图。
图2为本发明儿童安全座椅及其安全带的安装结构中靠背结构的正视图。
图3为本发明儿童安全座椅及其安全带的安装结构的侧视图。
图4为本发明儿童安全座椅及其安全带的安装结构中销轴结构处的结构放大示意图。
具体实施方式
下面结合附图和具体实施例对本发明作进一步说明。
参阅图1，本发明提供了儿童安全座椅及其安全带的安装结构，用于解决肩部安全带在碰撞中会承受巨大的作用力，进而在传导过程中对儿童安全座椅的整体强度产生影响的问题。本发明的儿童安全座椅及其安装带的安装结构，通过传力骨架将肩部安全带受到的力传递给靠背骨架的两个侧部骨架，再由两个侧部骨架向上和向下通过连接位置传递给汽车座椅，通过传力骨架的传力作用，使得靠背骨架整体均匀承受肩部安全带传递的力，避免了应力集中而影响座椅整体强度的问题，本发明的结构通过合理传导作用力而对儿童安全座椅的保护效果及其整体强度有着利好的作用。下面结合附图对本发明儿童安全座椅及其安全带的安装结构进行说明。
参阅图1，显示了本发明儿童安全座椅及其安全带的安装结构的结构示意图。参阅图2，显示了本发明儿童安全座椅及其安全带的安装结构中靠背结构的正视图。下面结合图1和图2，对本发明儿童安全座椅的安全带的安装结构进行说明。
如图1和图2所示，本发明的儿童安全座椅的安全带的安装结构包括传力骨架22和肩部安全带231，儿童安全座椅20包括靠背骨架211，该靠背骨架211作为儿童安全座椅20的靠背的支撑结构，为主要的受力部件。传力骨架22横向支撑于靠背骨架211上相对设置的两个侧部骨架2111之间，且传力骨架22与对应的侧部骨架2111固定连接，通过传力 骨架22将两个侧部骨架2111连接形成一个整体的受力结构；肩部安全带231为两个，从安全带23的端部分叉形成该两个肩部安全带231，肩部安全带231贴设在传力骨架22的一侧并从传力骨架22的顶部绕过而向另一侧延伸形成肩带露出部2311。以儿童安全座椅20上供倚靠和坐靠的面为正面，另一相对于正面的面为背面进行说明：靠背骨架22上靠近正面的面为第一侧，靠近背面的面为第二侧，肩部安全带231在设置时，将肩部安全带231部分贴设在传力骨架22的第二侧，进而绕过传力骨架22的顶部而向传力骨架22的第一侧延伸形成肩部露出部2311，该肩部露出部2311用于从儿童安全座椅20的靠背上穿过以供使用者佩戴使用。
本发明安全带的安装结构的传力路径为：肩部安全带231受到作用力，直接传递给传力骨架22，该传力骨架22设置方向为横向设置，而作用力的施力方向垂直于传力骨架22的横向设置的方向，传力骨架22将受到的作用力传递给两侧的侧部骨架2111，侧部骨架2111再将该作用力向上和向下传递，向上传递给顶部骨架2112，进而通过连接处传递给汽车座椅，向下传递给坐垫骨架212，进而通过连接处传递给汽车座椅。作用在肩部安全带231上的作用力通过传力骨架22和侧部骨架2111的传导，使得该作用力均匀的分布在靠背骨架211上，而实现了靠背骨架211整体受力的效果，避免了应力集中而影响整体强度的问题。
本发明的安全带的安装结构采用肩部安全带绕过传力骨架的安装方式，将肩部安全带受到的作用力直接传递给传力骨架，而传力骨架又与两侧的侧部骨架2111固定连接，形成一个整体的受力结构，也即利用整个靠背骨架211来进行受力，具有较高的稳定性，能够确保靠背结构的整体强度。
作为本发明的一较佳实施方式，如图2所示，传力骨架22与靠背骨架211的顶部骨架2111固定连接。靠背骨架211包括两个相对设置的侧部骨架2112和一个顶部骨架2111，该顶部骨架2111与两个侧部骨架2111的顶端固定连接，从而使得该靠背骨架211呈门字形。将传力骨架22与顶部骨架2111也固定连接后，使得该传力骨架22所受到的作用力，能够直接地传递给侧部骨架2111和顶部骨架2112，也即传力骨架22的作用力，可部分传递给两侧的侧部骨架2111，另外部分传递给顶部骨架2112，传力骨架22、顶部骨架2112和两个侧部骨架2111连接成整体，形成一体的受力结构，结构整体性强，受力稳定牢固，能够确保儿童安全座椅的 整体强度以及安全性。
较佳地，传力骨架22上设有间隔设置的多个竖向件221，竖向件221的顶部与靠背骨架211的顶部骨架2112固定连接，通过竖向件221与顶部骨架2112的连接处来进行力的传递，间隔设置的多个竖向件221将作用在传力骨架22上的作用力均匀地传递给顶部骨架2112，使得顶部骨架2112整体受力均匀，结构稳定。进一步地，位于肩部安全带231两侧的两个竖向件221的间距与肩部安全带231的宽度相适配，从而对肩部安全带231进行限位。利用位于肩部安全带231两侧的两个竖向件221限位肩部安全带231在横向上的左右窜动，有效对肩部安全带231进行限位。
作为本发明的另一较佳实施方式，结合图2和图3所示，靠背骨架211的顶部骨架2112的中部固设有供与汽车座椅连接的连接结构2113，通过该连接结构2113将儿童安全座椅20与汽车座椅固定连接，进而在传递作用力时，通过该连接结构2113将顶部骨架2112受到的作用力传递给汽车座椅。
作为本发明的又一较佳实施方式，如图3和图4所示，靠背骨架211的侧部骨架2111的底部通过销轴结构213与坐垫骨架212对应连接从而构成儿童安全座椅20的座椅骨架21。座椅骨架21的形状与儿童安全座椅20的形状相似，用于为儿童安全座椅20提供支撑基础，在座椅骨架21上进行发泡形成一体的包覆于坐垫骨架212的坐垫发泡和包覆靠背骨架211的靠背发泡，接着再于靠背发泡和坐垫发泡上包覆面套也就形成了儿童安全座椅，在靠背发泡上对应肩带露出部2311设有穿设孔，以令该肩带露出部2311能够通过该穿设孔而穿出，形成供使用者佩戴的安全带。本发明的座椅骨架221通过设置的销轴结构213来连接靠背骨架211和坐垫骨架212，使得该靠背骨架211能够通过销轴结构213来实现折叠功能，在使用时，该靠背骨架211能够通过销轴结构213卡设在坐垫骨架212上而呈竖直状态，供使用者倚靠，在不需要使用时，该靠背骨架211能够通过销轴结构213向下折叠而叠放于坐垫骨架212的上方，实现收折的功能，便于存放。
较佳地，如图1、图3和图4所示，在坐垫骨架212的两侧连接有竖向设置的连接板2121，该连接板2121与对应的侧部骨架2111通过销轴结构213可转动地连接，使得侧部骨架2111可通过销轴结构213进行转动调节并在调节后进行固定，在连接板2121上设置有与销轴结构213的 限位轴相适配的两个卡槽，第一个卡槽位于连接板2121的顶端，第二个卡槽位于连接板2121上靠近儿童安全座椅20正面的一侧。在靠背骨架211呈竖直状时，也即儿童安全座椅20呈展开状态以供使用时，销轴结构213的限位轴卡设在第一个卡槽内，实现靠背骨架211和坐垫骨架212固定连接，在传力时，通过该销轴结构213将侧部骨架2111的受力传递给坐垫骨架212；在靠背骨架211呈水平状时，也即儿童安全座椅20呈折叠状态收置起来时，销轴结构213的限位轴卡设在第二个卡槽内，实现了收折后侧部骨架2111和坐垫骨架212的固定连接。在儿童安全座椅20上对应销轴结构213的位置处设置有连接节点，该连接节点用于与汽车座椅上的ISOFIX连接，进而在受力时，通过连接节点将力传递给汽车座椅。
如图2所示，本发明的传力路径使得肩部安全带231受到的作用力能够均匀地传递给整体的靠背骨架211，在靠背骨架211将该作用力传递给汽车座椅时，通过三个节点进行传递，第一个节点为位于顶部骨架2112中部的连接结构2113，第二个节点和第三个节点为设置在两个销轴结构213处的与汽车座椅连接的连接节点，三个节点位于三角形的三个顶点，传递力的节点可构成稳定的三角形受力结构，而作用在靠背骨架211上的作用力则是在传力骨架22上的，较佳地，该传力骨架22靠近顶部骨架2112设置，肩部安全带231与传力骨架22贴合的部分位于该三个节点构成的三角形的中部处，这样将传力骨架22和靠背骨架211的作为一个受力整体来看时，传力骨架22和靠背骨架211形成了一个门型的结构整体，两个方向的作用力分别作用在三角形的三个顶点和三角形的中部处，一个方向的作用力为垂直于靠背而朝向背面的来自于汽车座椅的拉力，另一个方向的作用力为垂直于靠背而朝向正面的来自于肩部安全带的拉力，从而使得作用力在门型的结构整体上均匀地抵消，保证了靠背骨架211的结构强度，形成了稳固可靠的整体结构。
作为本发明的再一较佳实施方式，肩部安全带231贴设在传力骨架22的部分呈倾斜状设置。如图2所示，较佳地，传力骨架22包括两个横向件222，两个横向件222呈一定间距设置，竖向件221垂直连接于两个横向件222。两个横向件222的端部与对应的侧部骨架2111的内侧面固定连接。两个横向件222呈一定的间距设置，使得肩部安全带231与横向件221和竖向件222相接触的面积较大，从而增大受力面积，提高传力的稳定性。
进一步地，安装带23分叉形成肩部安全带231的端部与传力骨架22的底部的横向件222相接触，分叉后形成的两个肩部安全带231倾斜的向上延伸并从顶部的横向件222的顶部绕过，从而该两个肩部安全带231传力部分也构成V型结构，通过该V型结构进行传力。
本发明还提供了一种儿童安全座椅，下面对该儿童安全座椅进行说明。
如图1和图2所示，本发明的儿童安全座椅20包括靠背骨架211、传力骨架22和安全带23，靠背骨架211具有相对设置的两个侧部骨架2111；传力骨架22横向支撑于两个侧部骨架2111之间，且传力骨架22与对应的侧部骨架2111固定连接；安全带23竖向设置在靠背骨架211处，该安全带23的顶端分叉形成有两肩部安全带231，肩部安全带231贴设在传力骨架22的一侧并从传力骨架22的顶部绕过而向另一侧延伸形成肩带露出部2311。
以儿童安全座椅20上供倚靠和坐靠的面为正面，另一相对于正面的面为背面进行说明：靠背骨架22上靠近正面的面为第一侧，靠近背面的面为第二侧，肩部安全带231在设置时，将肩部安全带231部分贴设在传力骨架22的第二侧，进而绕过传力骨架22的顶部而向传力骨架22的第一侧延伸形成肩部露出部2311，该肩部露出部2311用于从儿童安全座椅20的靠背上穿过以供使用者佩戴使用。
本发明儿童安全座椅的传力路径为：肩部安全带231受到作用力，直接传递给传力骨架22，该传力骨架22设置方向为横向设置，而作用力的施力方向垂直于传力骨架22的横向设置的方向，传力骨架22将受到的作用力传递给两侧的侧部骨架2111，侧部骨架2111再将该作用力向上和向下传递，向上传递给顶部骨架2112，进而通过连接处传递给汽车座椅，向下传递给坐垫骨架212，进而通过连接处传递给汽车座椅。作用在肩部安全带231上的作用力通过传力骨架22和侧部骨架2111的传导，使得该作用力均匀的分布在靠背骨架211上，而实现了靠背骨架211整体受力的效果，避免了应力集中而影响整体强度的问题。
本发明采用肩部安全带绕过传力骨架的安装方式，将肩部安全带受到的作用力直接传递给传力骨架，而传力骨架又与两侧的侧部骨架2111固定连接，形成一个整体的受力结构，也即利用整个靠背骨架211来进行受 力，具有较高的稳定性，能够确保靠背结构的整体强度。
作为本发明的一较佳实施方式，传力骨架22与靠背骨架211的顶部骨架2112固定连接。靠背骨架211包括两个相对设置的侧部骨架2112和一个顶部骨架2111，该顶部骨架2111与两个侧部骨架2111的顶端固定连接，从而使得该靠背骨架211呈门字形。将传力骨架22与顶部骨架2111也固定连接后，使得该传力骨架22所受到的作用力，能够直接地传递给侧部骨架2111和顶部骨架2112，也即传力骨架22的作用力，可部分传递给两侧的侧部骨架2111，另外部分传递给顶部骨架2112，传力骨架22、顶部骨架2112和两个侧部骨架2111连接成整体，形成一体的受力结构，结构整体性强，受力稳定牢固，能够确保儿童安全座椅的整体强度以及安全性。
较佳地，传力骨架22上设有间隔设置的多个竖向件221，竖向件221的顶部与靠背骨架211的顶部骨架2112固定连接，通过竖向件221与顶部骨架2112的连接处来进行力的传递，间隔设置的多个竖向件221将作用在传力骨架22上的作用力均匀地传递给顶部骨架2112，使得顶部骨架2112整体受力均匀，结构稳定。进一步地，位于肩部安全带231两侧的两个竖向件221的间距与肩部安全带231的宽度相适配，从而对肩部安全带231进行限位。利用位于肩部安全带231两侧的两个竖向件221限位肩部安全带231在横向上的左右窜动，有效对肩部安全带231进行限位。
更进一步地，传力骨架22还包括两个横向件222，两个横向件222呈一定间距设置，竖向件221垂直连接于两个横向件222。两个横向件222的端部与对应的侧部骨架2111的内侧面固定连接。
作为本发明的另一较佳实施方式，靠背骨架211的顶部骨架2112的中部固设有供与汽车座椅连接的连接结构2113。通过该连接结构2113将儿童安全座椅20与汽车座椅固定连接，进而在传递作用力时，通过该连接结构2113将顶部骨架2112受到的作用力传递给汽车座椅。
作为本发明的又一较佳实施方式，如图3和图4所示，靠背骨架211的侧部骨架2111的底部通过销轴结构231与坐垫骨架212对应连接从而构成儿童安全座椅20的座椅骨架21。座椅骨架21的形状与儿童安全座椅20的形状相似，用于为儿童安全座椅20提供支撑基础，在座椅骨架21上进行发泡形成一体的包覆于坐垫骨架212的坐垫发泡和包覆靠背骨架211的靠背发泡，接着再于靠背发泡和坐垫发泡上包覆面套也就形成了 儿童安全座椅，在靠背发泡上对应肩带露出部2311设有穿设孔，以令该肩带露出部2311能够通过该穿设孔而穿出，形成供使用者佩戴的安全带。本发明的座椅骨架221通过设置的销轴结构213来连接靠背骨架211和坐垫骨架212，使得该靠背骨架211能够通过销轴结构213来实现折叠功能，在使用时，该靠背骨架211能够通过销轴结构213卡设在坐垫骨架212上而呈竖直状态，供使用者倚靠，在不需要使用时，该靠背骨架211能够通过销轴结构213向下折叠而叠放于坐垫骨架212的上方，实现收折的功能，便于存放。
本发明的儿童安全座椅20上包括了上述的儿童安全座椅的安全带的安装结构，该儿童安全座椅20的传力路径可参见安全带安装结构部分的传力路径的描述，两者在结构与效果上相同，在此不再赘述。
以上结合附图实施例对本发明进行了详细说明，本领域中普通技术人员可根据上述说明对本发明做出种种变化例。因而，实施例中的某些细节不应构成对本发明的限定，本发明将以所附权利要求书界定的范围作为本发明的保护范围。

Claims (11)

  1. 一种儿童安全座椅的安全带的安装结构，所述儿童安全座椅包括靠背骨架，其特征在于，所述安装结构包括：
    横向支撑于所述靠背骨架上相对设置的两个侧部骨架之间的传力骨架，并与对应的侧部骨架固定连接；以及
    从安全带的端部分叉形成的两个肩部安全带，所述肩部安全带贴设于所述传力骨架的一侧并从所述传力骨架的顶部绕过而向另一侧延伸形成肩带露出部。
  2. 如权利要求1所述的儿童安全座椅的安全带的安装结构，其特征在于，所述传力骨架与所述靠背骨架的顶部骨架固定连接。
  3. 如权利要求2所述的儿童安全座椅的安全带的安装结构，其特征在于，所述传力骨架上设有间隔设置的多个竖向件，所述竖向件的顶部与所述靠背骨架的顶部骨架固定连接，且位于所述肩部安全带两侧的两个竖向件间的间距与所述肩部安全带的宽度相适配以对所述肩部安全带进行限位。
  4. 如权利要求1所述的儿童安全座椅的安全带的安装结构，其特征在于，所述传力骨架上设有间隔设置的多个竖向件，所述竖向件的顶部与所述靠背骨架的顶部骨架固定连接，且位于所述肩部安全带两侧的两个竖向件间的间距与所述肩部安全带的宽度相适配以对所述肩部安全带进行限位。
  5. 如权利要求1所述的儿童安全座椅的安全带的安装结构，其特征在于，所述靠背骨架的顶部骨架的中部固设有供与汽车座椅连接的连接结构。
  6. 如权利要求1所述的儿童安全座椅的安全带的安装结构，其特征在于，所述靠背骨架的侧部骨架的底部通过销轴结构与坐垫骨架对应连接从而构成儿童安全座椅的座椅骨架。
  7. 如权利要求1所述的儿童安全座椅的安全带的安装结构，其特征在于，所述肩部安全带贴设于所述传力骨架的部分呈倾斜状。
  8. 一种儿童安全座椅，其特征在于，包括：
    靠背骨架，具有相对设置的两个侧部骨架；
    横向支撑于所述的两个侧部骨架之间的传力骨架，所述传力骨架与对 应的侧部骨架固定连接；以及
    竖向设于所述靠背骨架处的安全带，所述安全带的顶端分叉形成有两个肩部安全带，所述肩部安全带贴设于所述传力骨架的一侧并从所述传力骨架的顶部绕过而向另一侧延伸形成肩带露出部。
  9. 如权利要求8所述的儿童安全座椅，其特征在于，所述传力骨架与所述靠背骨架的顶部骨架固定连接。
  10. 如权利要求8所述的儿童安全座椅，其特征在于，所述靠背骨架的顶部骨架的中部固设有供与汽车座椅连接的连接结构。
  11. 如权利要求8所述的儿童安全座椅，其特征在于，所述靠背骨架的侧部骨架的底部通过销轴结构与坐垫骨架对应连接从而构成儿童安全座椅的座椅骨架。
PCT/CN2018/082828 2018-01-26 2018-04-12 儿童安全座椅及其安全带的安装结构 WO2019144509A1 (zh)

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