WO2020173212A1 - 座椅基座 - Google Patents
座椅基座 Download PDFInfo
- Publication number
- WO2020173212A1 WO2020173212A1 PCT/CN2019/129084 CN2019129084W WO2020173212A1 WO 2020173212 A1 WO2020173212 A1 WO 2020173212A1 CN 2019129084 W CN2019129084 W CN 2019129084W WO 2020173212 A1 WO2020173212 A1 WO 2020173212A1
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- WO
- WIPO (PCT)
- Prior art keywords
- plate
- rod
- seat
- slot
- child safety
- Prior art date
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- 239000011111 cardboard Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
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Classifications
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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
Definitions
- This application relates to the technical field of baby products, in particular to a seat base.
- ISOFIX International Standards Organization FIX, child safety seat fixing system
- the traditional child safety seats are connected to the ISOFIX interface on the car through the ISOFIX connecting rod.
- the traditional ISOFIX connecting rod and the child safety seat are slidingly connected by a horizontal sliding groove.
- the patent document with the application number CN201711003013.4 discloses a child safety seat frame, in which a limiter is fixed on the ISOFIX connecting rod, a limit slot is provided on the bottom frame corresponding to the limiter, and the limiter is slid In the limit slot, and move with the ISOFIX connecting rod, the position of the ISOFIX on the bottom plate frame is limited by the limit piece at the end of the limit slot.
- the limit slot is arranged horizontally, that is, the sliding direction of the ISOFIX connecting rod is almost parallel to the upper surface of the car seat.
- FIG. 1 is a schematic diagram of a child safety seat fixing system in the prior art.
- the ISOFIX connecting rod 100 is connected to the child safety seat 300 through a horizontally slidable limit member 200, wherein the limit member 200
- the position of the child safety seat 300 is lower, and the position of the child safety seat 300 is higher.
- the lower part of the child safety seat 300 will level with the stopper 200 in the direction of arrow 1
- the lower part of the child safety seat 300 stops moving due to the restriction of the position restriction member 200, and the upper part of the child safety seat 300 will have an edge due to inertia.
- the arrow 2 tends to rotate clockwise.
- the baby’s head in the child safety seat 300 also has a tendency to rotate clockwise along the arrow 2. This inertial effect may eventually lead to an increase in the baby’s head displacement along the child’s
- the safety seat 300 touches a hard object in the direction of the arrow 3 obliquely upward, causing danger.
- An object of the present application is to provide a seat base that can improve the reliability of the child safety seat when the car stops in an emergency.
- this application provides a seat base for fixing a child safety seat, including:
- ISOFIX connecting rod one end of the ISOFIX connecting rod is used to connect with the child seat interface of the car;
- a horizontal sliding rod, the other end of the ISOFIX connecting rod is connected with the horizontal sliding rod;
- the fixed plate is provided with inclined sliding grooves, and the horizontal sliding rod is inserted into the sliding groove and slides along the sliding groove.
- the end of the sliding groove close to the child seat interface is lower than the end away from the child seat interface.
- it also includes:
- a pull plate one end of the pull plate is sleeved on the horizontal sliding rod and is coaxially rotatably connected with the horizontal sliding rod;
- U-shaped gusset plate the open end of the U-shaped gusset plate is rotatably connected with the fixing plate, the middle part of the U-shaped gusset plate is rotatably connected with the other end of the pull plate; rotating the U-shaped gusset plate can make The horizontal sliding rod slides along the sliding groove;
- the U-shaped gusset plate penetrates the housing and extends above the housing, and a fixed slot is provided on the housing.
- the U-shaped gusset plate rotates to be inserted into the fixed slot
- the horizontal sliding rod is fixed to the upper end of the sliding groove.
- it also includes:
- a bracket, the fixing plate is fixedly connected to the bracket
- a first vertical plate the first vertical plate is fixedly connected to the bracket, and the top of the first vertical plate is provided with a first slot for clamping with the bottom of the child safety seat;
- a first upper chuck the upper end of the first upper chuck is rotatably connected with the first vertical plate, and the first upper chuck is provided with an arc part;
- a first tension spring is connected to the lower end of the first upper clamping plate, and is used to drive the first upper clamping plate to rotate so that the arc part blocks the opening of the first clamping slot ;
- a first lower chuck, a middle part of the first lower chuck is rotatably connected with the first vertical plate, and an end of the first lower chuck close to the arc part is provided with a bayonet;
- a second tension spring is connected with the first lower clamping plate, and is used to drive the bayonet to clamp the arc portion to restrict the first upper clamping plate from continuing to rotate;
- a tie rod, one end of the tie rod is connected to the lower end of the first upper card board;
- the horizontal pulling part is connected with the pulling rod and used for pulling the pulling rod to turn the arc part away from the opening of the first slot.
- it also includes:
- a second vertical plate the second vertical plate is fixedly connected to the bracket, and the top of the second vertical plate is provided with a second slot for clamping with the bottom of the child safety seat;
- the second upper hook plate, the middle part of the second upper hook plate is rotatably connected with the second vertical plate, the upper part of the second upper hook plate is provided with a barb; the other end of the pull rod is connected to the second The lower end of the upper hook plate is connected;
- a third tension spring is connected to the horizontal tension part, and is used for driving the barb to rotate through the tension rod to block the opening of the second slot;
- a second lower hook plate, a middle portion of the second lower hook plate is rotatably connected with the second vertical plate, and one end of the second lower hook plate that is stuck into the barb is located below the barb;
- a torsion spring which is connected to the second lower hook plate, and is used to drive the second lower hook plate to rotate to block the second card slot.
- it also includes:
- the supporting foot is fixedly connected with the support, and the length of the supporting foot is adjustable.
- the beneficial effect of the present application is to provide a seat base, which can improve the reliability of the child safety seat during an emergency stop of the car by arranging a sliding groove inclined upward.
- Figure 1 is a schematic diagram of a child safety seat fixing system in the prior art
- FIG. 2 is a schematic diagram of the appearance of the seat base provided by the embodiment
- FIG. 3 is a schematic diagram of the internal structure of the seat base provided by the embodiment.
- FIG. 4 is a schematic diagram of the connection relationship between the fixing plate and the U-shaped gusset plate provided by the embodiment
- Fig. 5 is a schematic diagram of a child safety seat fixing system provided by an embodiment.
- this embodiment provides a seat base for fixing a child safety seat, which includes an ISOFIX connecting rod 1, a horizontal sliding rod 2, a fixing plate 3, a pull plate 4, and a U-shaped gusset plate 5. ⁇ 6 ⁇ And housing 6.
- One end of the ISOFIX connecting rod 1 is used to connect with a child seat interface of an automobile; the other end of the ISOFIX connecting rod 1 is connected with the horizontal sliding rod 2.
- the fixed plate 3 is provided with an inclined sliding groove 301, and the horizontal sliding rod 2 is inserted into the sliding groove 301.
- One end of the pull plate 4 is sleeved on the horizontal sliding rod 2 and is coaxially and rotationally connected with the horizontal sliding rod 2.
- the open end of the U-shaped buckle plate 5 is rotatably connected with the fixed plate 3, and the middle part of the U-shaped buckle plate 5 is rotatably connected with the other end of the pull plate 4; rotating the U-shaped buckle plate 5 can make The horizontal sliding rod 2 slides along the sliding groove 301.
- the U-shaped buckle plate 5 penetrates the housing 6 and extends above the housing 6.
- the housing 6 is provided with a fixed slot 601.
- the horizontal sliding rod 2 is fixed to the upper end of the sliding groove 301.
- the end of the sliding groove 301 close to the child seat interface is lower than the end away from the child seat interface.
- the chute 301 provided in this embodiment is arranged obliquely.
- the fixed plate 3 will not slide straight forward in the horizontal direction, but will slide upward along the chute 301 obliquely through gravity.
- the traditional limit method of the horizontal slide bar 2 requires multiple operations, which is very inconvenient.
- the U-shaped gusset 5 provided in this embodiment can easily realize the positioning of the horizontal slide bar 2, which is convenient, simple, practical and reliable.
- the seat base further includes a bracket 7, a first vertical plate 8, a first upper clamping plate 9, a first tension spring 10, a first lower clamping plate 11, a second tension spring 12, a tension rod 13, and a horizontal ⁇ 14.
- the fixing plate 3 is fixedly connected to the bracket 7.
- the first vertical plate 8 is fixedly connected to the bracket 7, and the top of the first vertical plate 8 is provided with a first slot 801 for clamping with the bottom of the child safety seat.
- the upper end of the first upper clamping plate 9 is rotatably connected with the first vertical plate 8, and the first upper clamping plate 9 is provided with an arc part.
- the first tension spring 10 is connected to the lower end of the first upper clamping plate 9 for driving the first upper clamping plate 9 to rotate so that the arc part blocks the opening of the first clamping slot 801.
- the middle part of the first lower clamping plate 11 is rotatably connected with the first vertical plate 8, and one end of the first lower clamping plate 11 close to the arc part is provided with a bayonet.
- the second tension spring 12 is connected to the first lower clamping plate 11 and is used to drive the bayonet to clamp the arc portion to restrict the first upper clamping plate 9 from continuing to rotate.
- One end of the pull rod 13 is connected to the lower end of the first upper clamping plate 9.
- the transverse pull portion 14 is connected to the pull rod 13 and is used to pull the pull rod 13 to turn the arc portion away from the opening of the first slot 801.
- the bottom of the child safety seat is generally provided with a front horizontal rod.
- the front horizontal rod overcomes the first tension spring 10 and the second tension spring 12
- the first upper card 9 and the first lower card 11 are squeezed apart, and then enter the first card slot 801. Since the diameter of the front horizontal rod is not large, the current horizontal rod enters the first card slot 801 At the bottom of the groove, the first upper clamping plate 9 is rotated counterclockwise again under the action of the first tension spring 10, and finally the arc part rotates above the first clamping slot 801 and the front horizontal rod is locked in the first clamping slot 801 ;
- the transverse pulling part 14 rotates the first upper clamping plate 9 clockwise through the pull rod 13, and the arc part turns away from the opening of the first groove 801, Lift the child safety seat up to separate the child safety seat from the seat base.
- the seat base further includes a second vertical plate 15, a second upper hook plate 16, a third tension spring 17, a second lower hook plate 18 and a torsion spring 19.
- the second vertical plate 15 is fixedly connected to the bracket 7, and the top of the second vertical plate 15 is provided with a second slot 1501 for clamping with the bottom of the child safety seat.
- the middle part of the second upper hook plate 16 is rotatably connected with the second vertical plate 15, and the upper part of the second upper hook plate 16 is provided with a barb; the other end of the pull rod 13 is connected to the second upper hook
- the lower end of the board 16 is connected.
- the third tension spring 17 is connected to the horizontal tension portion 14 and is used to drive the barb to rotate through the tension rod 13 to block the opening of the second slot 1501.
- the middle part of the second lower hook plate 18 is rotatably connected with the second vertical plate 15, and one end of the second lower hook plate 18 that is inserted into the barb is located below the barb.
- the torsion spring 19 is connected to the second lower hook plate 18 for driving the second lower hook plate 18 to rotate to block the second slot 1501.
- the second upper chuck rotates counterclockwise due to the influence of the third tension spring 17, and the second lower chuck rotates counterclockwise due to the influence of the torsion spring 19 until the second lower chuck is barbed.
- the second card slot 1501 is blocked by the second upper card board and the second upper card board at this time;
- the bottom of the child safety seat is generally provided with a rear horizontal rod.
- the rear horizontal rod overcomes the gap between the third tension spring 17 and the torsion spring 19
- the applied force squeezes the second upper chuck plate and the second lower chuck plate apart, and then enters the second card slot 1501. Since the diameter of the rear horizontal rod is not large, when the rear horizontal rod enters the second card slot 1501 At the bottom of the groove, the second upper clamping plate is rotated counterclockwise again under the action of the third tension spring 17, and finally the barb rotates above the second clamping groove 1501 and the rear horizontal rod is locked in the second clamping groove 1501;
- the seat base further includes a supporting foot 20, and the vertically arranged supporting foot 20 is fixedly connected to the bracket 7, and the length of the supporting foot 20 is adjustable.
- the mouth of the ISOFIX connecting rod 1 is buckled with the car, and is connected to the child safety seat through the horizontal sliding rod 2 that can be tilted and slid upward along the arrow 4.
- the horizontal sliding rod 2 is in a lower position and the child safety seat
- the center of gravity 21 of the system is relatively high (the child safety seat system includes the baby, seat base and child safety seat).
- the center of gravity 21 of the child safety seat system will slide horizontally.
- the rod 2 and the ISOFIX connecting rod 1’s mouth, etc., will move towards the collinear trend of the three points. Since the position of the horizontal sliding rod 2 is higher than the traditional limit piece 200, the horizontal sliding rod 2 is located at the other two points.
- the upper part of the child safety seat will have a tendency to rotate counterclockwise along the arrow 5 due to inertia.
- the head of the baby in the child safety seat will also have a tendency to rotate counterclockwise along the arrow 5 , The tendency of rotation can reduce the displacement of the baby's head, thereby avoiding danger.
- the inclination angle between the chute and the horizontal plane is greater than 45°.
- the bottom of the housing 6 is a flat surface, and the flat surface is attached to the seat surface after the seat base and the car seat are installed, the sliding groove 301 and the flat surface The angle of inclination is greater than 45°.
- the U-shaped gusset 5 provided in this embodiment can solve this problem well. Once the position of the U-shaped gusset 5 is set, the ISOFIX connecting rod 1 will not Retreat will happen.
- the U-shaped gusset 5 provided in this embodiment is only one of the ways to restrict the retreat of the ISOFIX connecting rod 1, and other ways such as a brake motor may also be used to restrict the retreat of the ISOFIX connecting rod 1, which will not be repeated here.
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
一种座椅基座,用于固定儿童安全座椅,包括ISOFIX连接杆(1),水平滑杆(2),ISOFIX连接杆(1)与水平滑杆(2)连接;固定板(3),固定板(3)上设有倾斜设置的滑槽(301),水平滑杆(2)***滑槽(301)中;拉板(4),拉板(4)的一端套设在水平滑杆(2)上并与水平滑杆(2)同轴转动连接; U型扣板(5),U型扣板(5)的开口端与所述固定板(3)转动连接,U型扣板(5)的中部与拉板(4)的另一端转动连接;转动U型扣板(5)可使水平滑杆(2)沿滑槽(301)滑动;壳体(6),U型扣板(5)贯穿壳体(6)并延伸至壳体(6)的上方,壳体(6)上设有固定插槽(601),当U型扣板(5)转动至***固定插槽(601)中时,水平滑杆(2)被固定于滑槽(301)的上端。该座椅基座能提高儿童安全座椅在汽车急停时的可靠性。
Description
本申请要求于2019年02月27日提交中国专利局、申请号为201910146433.0、发明名称为“座椅基座”的中国专利申请的优先权;
还要求于2019年02月27日提交中国专利局、申请号为201920248296.7、发明名称为“座椅基座”的中国专利申请的优先权;
两者的全部内容通过引用结合在本申请中。
本申请涉及婴儿用品技术领域,尤其涉及一种座椅基座。
ISOFIX(International Standards Organization FIX,儿童安全座椅固定***)是指一种儿童安全座椅与车辆连接的***。
一般地,传统的儿童安全座椅均通过ISOFIX连接杆与汽车上的ISOFIX接口连接。传统的ISOFIX连接杆与儿童安全座椅之间通过水平的滑槽滑动连接。例如,申请号为CN201711003013.4的专利文件公开一种儿童安全座椅骨架,其中,ISOFIX连接杆上固设有限位件,底板骨架上对应限位件开设有限位槽,限位件滑设于限位槽内,且随ISOFIX连接杆移动,通过限位件位于限位槽的端部从而限位ISOFIX在底板骨架上的位置。在CN201711003013.4所公开的技术方案中,限位槽就是水平设置的,即ISOFIX连接杆的滑动方向与汽车座椅的上表面几乎平行。
具体地,图1是现有技术中儿童安全座椅固定***的示意图,参见图1,ISOFIX连接杆100通过可以水平滑动的限位件200与儿童安全座椅300连接,其中,限位件200的位置较低,儿童安全座椅300的位置较高,当汽车因受到撞击或者因急刹车而突然停止时,儿童安全座椅300的下部会沿着箭头①的方向与限位件200发生水平方向的相对运动,当儿童安全座椅300运动至极限位置时,儿童安全座椅300的下部因受限位件200的限制而停止运动,儿童安全座椅300的上部则由于惯性会有一个沿箭头②顺时针转动的趋势,同理,儿童安全座椅300中的婴儿的头部也会存在沿箭头②顺时针转动的趋势,该惯性作用最终可能导致婴儿的头部位移量增加沿着儿童安全座椅300斜向上的箭头③的方向触碰硬物以致产生危险。
因此,传统的安全座椅在汽车急停时的可靠性较差,存在一定的事故风险。
申请内容
本申请的一个目的在于,提供一种座椅基座,能提高儿童安全座椅在汽车急停时的可靠性。
为达以上目的,本申请提供一种座椅基座,用于固定儿童安全座椅,包括:
ISOFIX连接杆,所述ISOFIX连接杆的一端用于与汽车的儿童座椅接口连接;
水平滑杆,所述ISOFIX连接杆的另一端与所述水平滑杆连接;
固定板,所述固定板上设有倾斜设置的滑槽,所述水平滑杆***所述滑槽中并沿所述滑槽滑动。
优选地,所述滑槽靠近儿童座椅接口的一端低于远离儿童座椅接口的一端。
优选地,还包括:
拉板,所述拉板的一端套设在所述水平滑杆上并与所述水平滑杆同轴转动连接;
U型扣板,所述U型扣板的开口端与所述固定板转动连接,所述U型扣板的中部与所述拉板的另一端转动连接;转动所述U型扣板可使所述水平滑杆沿所述滑槽滑动;
壳体,所述U型扣板贯穿所述壳体并延伸至所述壳体的上方,所述壳体上设有固定插槽,当所述U型扣板转动至***所述固定插槽中时,所述水平滑杆被固定于所述滑槽的上端。
优选地,还包括:
支架,所述固定板与所述支架固定连接;
第一立板,所述第一立板与所述支架固定连接,所述第一立板的顶部设有用于与儿童安全座椅的底部卡接的第一卡槽;
第一上卡板,所述第一上卡板的上端与所述第一立板转动连接,所述第一上卡板设有圆弧部;
第一拉簧,所述第一拉簧与所述第一上卡板的下端连接,用于驱动所述第一上卡板转动以使所述圆弧部挡住所述第一卡槽的开口;
第一下卡板,所述第一下卡板的中部与所述第一立板转动连接,所述第一下卡板靠近所述圆弧部的一端设有卡口;
第二拉簧,所述第二拉簧与所述第一下卡板连接,用于驱动所述卡口卡住所述圆弧部以限制所述第一上卡板继续转动;
拉杆,所述拉杆的一端与所述第一上卡板的下端连接;
横拉部,所述横拉部与所述拉杆连接,用于拉动所述拉杆以使所述圆弧部转离所述第一卡槽的开口。
优选地,还包括:
第二立板,所述第二立板与所述支架的固定连接,所述第二立板的顶部设有用于与儿童安全座椅的底部卡接的第二卡槽;
第二上勾板,所述第二上勾板的中部与所述第二立板转动连接,所述第二上勾板的上部设有倒钩;所述拉杆的另一端与所述第二上勾板的下端连接;
第三拉簧,所述第三拉簧与所述横拉部连接,用于通过所述拉杆驱动所述倒钩转动至挡住所述第二卡槽的开口;
第二下勾板,所述第二下勾板的中部与所述第二立板转动连接,所述第二下勾板卡进所述倒钩的一端位于所述倒钩的下方;
扭簧,所述扭簧与所述第二下勾板连接,用于驱动所述第二下勾板转动至挡住所述第二卡槽。
优选地,还包括:
支撑脚,竖直设置的所述支撑脚与所述支架固定连接,所述支撑脚的长度可调。
本申请的有益效果在于:提供一种座椅基座,通过设置倾向向上设置的滑槽,能提高儿童安全座椅在汽车急停时的可靠性。
为了更清楚地说明本申请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申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其它的附图。
图1为现有技术中儿童安全座椅固定***的示意图;
图2为实施例提供的座椅基座的外观示意图;
图3为实施例提供的座椅基座的内部结构示意图;
图4为实施例提供的固定板和U型扣板的连接关系示意图;
图5为实施例提供的儿童安全座椅固定***的示意图。
图中:
100、ISOFIX连接杆;200、限位件;300、儿童安全座椅;
1、ISOFIX连接杆;2、水平滑杆;3、固定板;301、滑槽;4、拉板;5、U型扣板;6、壳体;601、固定插槽;7、支架;8、第一立板;801、第一卡槽;9、第一上卡板;10、第一拉簧;11、第一下卡板;12、第二拉簧;13、拉杆;14、横拉部;15、第二立板;1501、第二卡槽;16、第二上勾板;17、第三拉簧;18、第二下勾板;19、扭簧;20、支撑脚;21、儿童安全座椅***重心。
为使得本申请的目的、特征、优点能够更加的明显和易懂,下面将结合本发明实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,下面所描述的实施例仅仅是本申请一部分实施例,而非全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
在本申请的描述中,需要理解的是,当一个组件被认为是“连接”另一个组件,它可以是直接连接到另一个组件或者可能同时存在居中设置的组件。当一个组件被认为是“设置在”另一个组件,它可以是直接设置在另一个组件上或者可能同时存在居中设置的组件。
此外,术语“长”“短”“内”“外”等指示方位或位置关系为基于附图所展示的方位或者位置关系,仅是为了便于描述本申请,而不是指示或暗示所指的装置或原件必须具有此特定的方位、以特定的方位构造进行操作, 以此不能理解为本申请的限制。
下面结合附图并通过具体实施方式来进一步说明本发明的技术方案。
参见图2~图4,本实施例提供一种用于固定儿童安全座椅的座椅基座,包括ISOFIX连接杆1、水平滑杆2、固定板3、拉板4、U型扣板5和壳体6。所述ISOFIX连接杆1的一端用于与汽车的儿童座椅接口连接;所述ISOFIX连接杆1的另一端与所述水平滑杆2连接。所述固定板3上设有倾斜设置的滑槽301,所述水平滑杆2***所述滑槽301中。所述拉板4的一端套设在所述水平滑杆2上并与所述水平滑杆2同轴转动连接。所述U型扣板5的开口端与所述固定板3转动连接,所述U型扣板5的中部与所述拉板4的另一端转动连接;转动所述U型扣板5可使所述水平滑杆2沿所述滑槽301滑动。所述U型扣板5贯穿所述壳体6并延伸至所述壳体6的上方,所述壳体6上设有固定插槽601,当所述U型扣板5转动至***所述固定插槽601中时,所述水平滑杆2被固定于所述滑槽301的上端。优选地,所述滑槽301靠近儿童座椅接口的一端低于远离儿童座椅接口的一端。
具体地,本实施例提供的滑槽301倾斜设置,当发生车祸或者急刹车时,固定板3不会直直地沿水平方向前滑,而是会沿着滑槽301倾斜向上滑动,通过重力来降低固定板3向前的动量,从而提高儿童安全座椅在汽车急停时的可靠性。进一步地,传统的水平滑杆2限位方式需要多次操作,十分不便,本实施例提供的U型扣板5,可以轻松实现水平滑杆2的定位,方便简单且实用可靠。
本实施例中,座椅基座还包括支架7、第一立板8、第一上卡板9、第一拉簧10、第一下卡板11、第二拉簧12、拉杆13和横拉部14。所述固定板3与所述支架7固定连接。所述第一立板8与所述支架7固定连接,所述第一立板8的顶部设有用于与儿童安全座椅的底部卡接的第一卡槽801。所述第一上卡板9的上端与所述第一立板8转动连接,所述第一上卡板9设有圆弧部。所述第一拉簧10与所述第一上卡板9的下端连接,用于驱动所述第一上卡板9转动以使所述圆弧部挡住所述第一卡槽801的开口。所述第一下卡板11的中部与所述第一立板8转动连接,所述第一下卡板11靠近所述圆弧部的一端设有卡口。所述第二拉簧12与所述第一下卡板11 连接,用于驱动所述卡口卡住所述圆弧部以限制所述第一上卡板9继续转动。所述拉杆13的一端与所述第一上卡板9的下端连接。所述横拉部14与所述拉杆13连接,用于拉动所述拉杆13以使所述圆弧部转离所述第一卡槽801的开口。
具体地:
①在一般状态下,第一上卡板9因受第一拉簧10的影响逆时针转动,第一下卡板11因受第二拉簧12的影响顺时针转动,直至卡扣抵住圆弧部,此时第一卡槽801被第一上卡板9和第二上卡板挡住;
②儿童安全座椅的底部一般设有前水平杆,当将儿童安全座椅的底部从上往下压入第一卡槽801时,前水平杆克服第一拉簧10和第二拉簧12的拉力,将第一上卡板9和第一下卡板11挤开,然后进入到第一卡槽801中,由于前水平杆的直径不大,所以当前水平杆进入到第一卡槽801的槽底时,第一上卡板9在第一拉簧10的作用下重新逆时针转动,最终圆弧部转动至第一卡槽801上方并将前水平杆锁在第一卡槽801中;
③当需要释放儿童安全座椅时,向前拉动横拉部14,横拉部14通过拉杆13使第一上卡板9顺时针转动,圆弧部转离第一卡槽801的开口处,往上提起儿童安全座椅即可使儿童安全座椅与座椅基座脱离。
进一步地,座椅基座还包括第二立板15、第二上勾板16、第三拉簧17、第二下勾板18和扭簧19。所述第二立板15与所述支架7的固定连接,所述第二立板15的顶部设有用于与儿童安全座椅的底部卡接的第二卡槽1501。所述第二上勾板16的中部与所述第二立板15转动连接,所述第二上勾板16的上部设有倒钩;所述拉杆13的另一端与所述第二上勾板16的下端连接。所述第三拉簧17与所述横拉部14连接,用于通过所述拉杆13驱动所述倒钩转动至挡住所述第二卡槽1501的开口。所述第二下勾板18的中部与所述第二立板15转动连接,所述第二下勾板18卡进所述倒钩的一端位于所述倒钩的下方。所述扭簧19与所述第二下勾板18连接,用于驱动所述第二下勾板18转动至挡住所述第二卡槽1501。
具体地:
①在一般状态下,第二上卡板因受第三拉簧17的影响逆时针转动,第二下卡板因受扭簧19的影响也逆时针转动,直至第二下卡板被倒钩所勾 住,此时第二卡槽1501被第二上卡板和第二上卡板挡住;
②儿童安全座椅的底部一般还设有后水平杆,当将儿童安全座椅的底部从上往下压入第二卡槽1501时,后水平杆克服第三拉簧17和扭簧19的作用力,将第二上卡板和第二下卡板挤开,然后进入到第二卡槽1501中,由于后水平杆的直径不大,所以当后水平杆进入到第二卡槽1501的槽底时,第二上卡板在第三拉簧17的作用下重新逆时针转动,最终倒钩转动至第二卡槽1501上方并将后水平杆锁在第二卡槽1501中;
③当需要释放儿童安全座椅时,向前拉动横拉部14,横拉部14通过拉杆13使第二上卡板顺时针转动,倒钩转离第二卡槽1501的开口处,往上提起儿童安全座椅即可使儿童安全座椅与座椅基座脱离。
优选地,座椅基座还包括支撑脚20,竖直设置的所述支撑脚20与所述支架7固定连接,所述支撑脚20的长度可调。
参见图5,ISOFIX连接杆1的虎口与汽车扣合,通过可以沿箭头④倾斜向上滑动的水平滑杆2与儿童安全座椅连接,其中,水平滑杆2的位置较低,儿童安全座椅***重心21位置较高(儿童安全座椅***含婴儿、座椅基座和儿童安全座椅),当汽车因受到撞击或者因急刹车而突然停止时,儿童安全座椅***重心21和水平滑杆2与ISOFIX连接杆1的虎口等,三者将往三点共线的趋势发生相对运动,由于水平滑杆2的位置比传统限位件200高,水平滑杆2位于所述其它两点连线之上方,儿童安全座椅的上部则由于惯性会有一个沿箭头⑤逆时针转动的趋势,同理,儿童安全座椅中的婴儿的头部也会存在沿箭头⑤逆时针转动的趋势,该转动的趋势可以减少婴儿的头部位移量,从而避免险情的发生。
于本实施例中,为了保证当儿童安全座椅运动至极限位置时,儿童安全座椅的上部由于惯性会有一个沿箭头⑤逆时针转动的趋势,可以使座椅基座与汽车座椅安装好后,滑槽与水平面之间的倾斜角度大于45°。进一步地,若使壳体6的底部为一平整平面,且座椅基座与汽车座椅安装好后该平整平面与座椅的椅面贴合,也可以使滑槽301与平整平面之间的倾斜角度大于45°。
进一步地,将滑槽301设置成倾斜的方式,可能会导致ISOFIX连接杆1与汽车的儿童座椅接口连接时ISOFIX连接杆1会沿着倾斜的滑槽301 后退,这或许会为座椅基座的安装带来不必要的麻烦,相应地,本实施例提供的U型扣板则5可以很好的解决该问题,一旦将U型扣板5的位置定好,则ISOFIX连接杆1就不会发生后退的情况。优选地,本实施例提供的U型扣板5只是限制ISOFIX连接杆1后退的其中一种方式,也可才采用制动电机等其它方式限制ISOFIX连接杆1的后退,此处不再赘述。
以上实施例仅用以说明本申请的技术方案,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。
Claims (6)
- 一种座椅基座,用于固定儿童安全座椅,其特征在于,包括:ISOFIX连接杆(1),所述ISOFIX连接杆(1)的一端用于与汽车的儿童座椅接口连接;水平滑杆(2),所述ISOFIX连接杆(1)的另一端与所述水平滑杆(2)连接;固定板(3),所述固定板(3)上设有倾斜设置的滑槽(301),所述水平滑杆(2)***所述滑槽(301)中并沿所述滑槽(301)滑动。
- 根据权利要求1所述的座椅基座,其特征在于,所述滑槽(301)靠近儿童座椅接口的一端低于远离儿童座椅接口的一端。
- 根据权利要求1所述的座椅基座,其特征在于,还包括:拉板(4),所述拉板(4)的一端套设在所述水平滑杆(2)上并与所述水平滑杆(2)同轴转动连接;U型扣板(5),所述U型扣板(5)的开口端与所述固定板(3)转动连接,所述U型扣板(5)的中部与所述拉板(4)的另一端转动连接;转动所述U型扣板(5)可使所述水平滑杆(2)沿所述滑槽(301)滑动;壳体(6),所述U型扣板(5)贯穿所述壳体(6)并延伸至所述壳体(6)的上方,所述壳体(6)上设有固定插槽(601),当所述U型扣板(5)转动至***所述固定插槽(601)中时,所述水平滑杆(2)被固定于所述滑槽(301)的上端。
- 根据权利要求3所述的座椅基座,其特征在于,还包括:支架(7),所述固定板(3)与所述支架(7)固定连接;第一立板(8),所述第一立板(8)与所述支架(7)固定连接,所述第一立板(8)的顶部设有用于与儿童安全座椅的底部卡接的第一卡槽(801);第一上卡板(9),所述第一上卡板(9)的上端与所述第一立板(8)转动连接,所述第一上卡板(9)设有圆弧部;第一拉簧(10),所述第一拉簧(10)与所述第一上卡板(9)的下端连接,用于驱动所述第一上卡板(9)转动以使所述圆弧部挡住所述第一卡槽(801)的开口;第一下卡板(11),所述第一下卡板(11)的中部与所述第一立板(8)转动连接,所述第一下卡板(11)靠近所述圆弧部的一端设有卡口;第二拉簧(12),所述第二拉簧(12)与所述第一下卡板(11)连接,用于驱动所述卡口卡住所述圆弧部以限制所述第一上卡板(9)继续转动;拉杆(13),所述拉杆(13)的一端与所述第一上卡板(9)的下端连接;横拉部(14),所述横拉部(14)与所述拉杆(13)连接,用于拉动所述拉杆(13)以使所述圆弧部转离所述第一卡槽(801)的开口。
- 根据权利要求4所述的座椅基座,其特征在于,还包括:第二立板(15),所述第二立板(15)与所述支架(7)的固定连接,所述第二立板(15)的顶部设有用于与儿童安全座椅的底部卡接的第二卡槽(1501);第二上勾板(16),所述第二上勾板(16)的中部与所述第二立板(15)转动连接,所述第二上勾板(16)的上部设有倒钩;所述拉杆(13)的另一端与所述第二上勾板(16)的下端连接;第三拉簧(17),所述第三拉簧(17)与所述横拉部(14)连接,用于通过所述拉杆(13)驱动所述倒钩转动至挡住所述第二卡槽(1501)的开口;第二下勾板(18),所述第二下勾板(18)的中部与所述第二立板(15)转动连接,所述第二下勾板(18)卡进所述倒钩的一端位于所述倒钩的下方;扭簧(19),所述扭簧(19)与所述第二下勾板(18)连接,用于驱动所述第二下勾板(18)转动至挡住所述第二卡槽(1501)。
- 根据权利要求5所述的座椅基座,其特征在于,还包括:支撑脚(20),竖直设置的所述支撑脚(20)与所述支架(7)固定连接,所述支撑脚(20)的长度可调。
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