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CN210018642U - Seat back cushion for children - Google Patents

Seat back cushion for children Download PDF

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Publication number
CN210018642U
CN210018642U CN201920510742.7U CN201920510742U CN210018642U CN 210018642 U CN210018642 U CN 210018642U CN 201920510742 U CN201920510742 U CN 201920510742U CN 210018642 U CN210018642 U CN 210018642U
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inflatable
inflatable part
back pad
hole
child seat
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金汶性
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Abstract

本实用新型涉及一种儿童用座椅背垫。本实用新型的儿童用座椅背垫,包括背垫本体,所述背垫本体包括第一充气部、第二充气部、第三充气部和密封的扁平部;所述第一充气部上端中部向下凹陷;所述第二充气部设置于所述第一充气部上端,所述第二充气部上端中部向下凹陷;所述第三充气部设置于所述第二充气部中部,且所述第三充气部的下部位于所述第一充气部的凹陷处,所述第三充气部上设有与所述第二充气部气路连通的通气孔;所述扁平部设置于所述第二充气部的凹陷处;所述第一充气部上设有第一充气孔;所述第二充气部上设有第二充气孔。本实用新型的儿童用座椅背垫具有固定性更好、使用舒适、方便收纳、便于携带、使用方便等特点。

Figure 201920510742

The utility model relates to a back pad for a child's seat. The child seat back pad of the utility model comprises a back pad body, the back pad body comprises a first inflatable part, a second inflatable part, a third inflatable part and a sealed flat part; the upper middle part of the first inflatable part The second inflatable part is arranged at the upper end of the first inflatable part, and the middle part of the upper end of the second inflatable part is depressed downward; the third inflatable part is arranged in the middle of the second inflatable part, and the The lower part of the third inflatable part is located in the depression of the first inflatable part, and the third inflatable part is provided with a ventilation hole communicating with the air passage of the second inflatable part; the flat part is arranged on the first inflatable part. Two depressions of the inflatable part; the first inflatable part is provided with a first inflatable hole; the second inflatable part is provided with a second inflatable hole. The child seat back cushion of the utility model has the characteristics of better fixation, comfortable use, convenient storage, easy portability, convenient use and the like.

Figure 201920510742

Description

一种儿童用座椅背垫A child seat back pad

技术领域technical field

本实用新型涉及气垫领域,特别是涉及一种儿童用座椅背垫。The utility model relates to the field of air cushions, in particular to a child seat back cushion.

背景技术Background technique

一般情况下,休息座椅或长途汽车、客船、飞机上的座椅都是以标准体型为基准进行折中设计的,因此其尺寸或者形态等无法满足所有人的体型需求,导致很多人在较长时间使用上述座椅时,背部不适。特别是儿童,他们的身体没完全成长,往往比座椅的高度还矮,而且儿童一般比较好动,喜欢晃动身体,因此针对成人设计的座椅靠背,坐垫等往往不能固定住儿童的身体,遇到一些紧急情况,例如紧急刹车等,也容易造成儿童的安全隐患。Under normal circumstances, rest seats or seats on coaches, passenger ships, and airplanes are designed as compromises based on standard body shapes. Therefore, their size or shape cannot meet the body shape needs of everyone. Back discomfort when using the above seat for a long time. Especially children, their bodies are not fully grown, and they are often shorter than the height of the seat, and children are generally more active and like to shake their bodies. Therefore, seat backs and cushions designed for adults often cannot fix children's bodies. In some emergency situations, such as emergency braking, it is also easy to cause safety hazards for children.

现有的解决方式是在颈部或者背部增加一个内部填充棉花或海绵等缓冲材料的靠垫,但其形态固定,非针对每个人的身形设计,舒适感不强。The existing solution is to add a cushion filled with cushioning materials such as cotton or sponge on the neck or back, but its shape is fixed, it is not designed for everyone's body shape, and the comfort is not strong.

因此,一种符合儿童颈部、背部、腰部及臀部曲线设计,舒适感强的儿童用座椅背垫就显得很有必要。Therefore, it is necessary to have a child seat back pad that is designed to fit the curves of the child's neck, back, waist and buttocks and has a strong sense of comfort.

实用新型内容Utility model content

基于此,本实用新型的目的在于,提供一种符合儿童颈部、背部、腰部及臀部曲线设计,舒适感强的儿童用座椅背垫。Based on this, the purpose of the present invention is to provide a child seat back cushion that is designed in line with the curves of the neck, back, waist and buttocks of children and has a strong sense of comfort.

本实用新型的儿童用座椅背垫,包括背垫本体,所述背垫本体包括第一充气部、第二充气部、第三充气部和密封的扁平部;所述第一充气部上端中部向下凹陷;所述第二充气部设置于所述第一充气部上端,所述第二充气部上端中部向下凹陷;所述第三充气部呈V字形,所述第三充气部设置于所述第二充气部中部,且所述第三充气部的下部位于所述第一充气部的凹陷处,所述第三充气部上设有与所述第二充气部气路连通的通气孔;所述扁平部设置于所述第二充气部的凹陷处;所述第一充气部上设有第一充气孔;所述第二充气部上设有第二充气孔。The child seat back pad of the utility model comprises a back pad body, the back pad body comprises a first inflatable part, a second inflatable part, a third inflatable part and a sealed flat part; the upper middle part of the first inflatable part The second inflatable part is arranged at the upper end of the first inflatable part, and the middle part of the upper end of the second inflatable part is depressed downward; the third inflatable part is V-shaped, and the third inflatable part is arranged at The middle part of the second inflatable part, and the lower part of the third inflatable part is located in the depression of the first inflatable part, and the third inflatable part is provided with a ventilation hole communicating with the air passage of the second inflatable part ; the flat part is arranged in the depression of the second inflatable part; the first inflatable part is provided with a first inflatable hole; the second inflatable part is provided with a second inflatable hole.

本实用新型的儿童用座椅背垫,通过设置所述第一充气部,可以垫靠使用者的臀部及腰部;所述第三充气部的设置,可以垫靠使用者的背部,所述第三充气部内的气体是所述第二充气部内的气体通过所述通气孔进入,所述第三充气部的充气速度小于第二充气部的充气速度,所述第二充气部和所述第三充气部之间的充气后存在厚度差,其厚度差可以将使用者的背部包裹并固定住;所述扁平部的设置,可以放置使用者的头部,利用所述第二充气部上端的凹陷处,可以固定使用者的头部;可防止车辆晃动时,使用者掉落坐垫。采用可充气的设置,可以根据个人身形需求选择充气量,使用更舒适;使用后,放掉里面的气体就可以收纳,便于携带。本实用新型的儿童用座椅背垫,符合儿童颈部、背部、腰部及臀部曲线设计,可以很好的包裹住儿童、防止掉落,具有固定性更好、使用舒适、方便收纳、便于携带、使用方便等特点。In the child seat back cushion of the present invention, the first inflatable part can be arranged to cushion the user's buttocks and waist; the third inflatable part can be arranged to cushion the user's back; The gas in the third inflatable part is that the gas in the second inflatable part enters through the vent hole, the inflation speed of the third inflatable part is lower than the inflation speed of the second inflatable part, the second inflatable part and the third inflatable part enter. There is a difference in thickness between the inflatable parts after inflating, and the difference in thickness can wrap and fix the back of the user; the flat part can be set so that the head of the user can be placed, and the depression on the upper end of the second inflatable part can be used. It can fix the user's head; it can prevent the user from falling off the seat cushion when the vehicle shakes. With the inflatable setting, you can choose the amount of inflation according to your personal body shape requirements, making it more comfortable to use; after use, you can store it by releasing the gas inside, making it easy to carry. The child seat back cushion of the utility model conforms to the curve design of the child's neck, back, waist and buttocks, can well wrap the child, prevent falling, and has better fixation, comfortable use, convenient storage and portability , easy to use and so on.

进一步优选地,所述通气孔为两个,2个所述通气孔分别位于所述第三充气部两端内侧。Further preferably, there are two ventilation holes, and the two ventilation holes are respectively located inside both ends of the third inflatable part.

进一步优选地,所述第一充气孔设置于所述第一充气部的背面。Further preferably, the first inflatable hole is arranged on the back of the first inflatable part.

进一步优选地,所述第二充气孔设置于所述第二充气部的背面。Further preferably, the second inflatable hole is arranged on the back of the second inflatable part.

进一步优选地,所述第一充气孔与所述第二充气孔之间的连线与所述背垫本体的中轴线平行。Further preferably, the connecting line between the first inflatable hole and the second inflatable hole is parallel to the central axis of the back pad body.

进一步优选地,所述第一充气孔与所述第二充气孔上均设有可拆卸的密封盖。Further preferably, a detachable sealing cover is provided on both the first inflatable hole and the second inflatable hole.

进一步优选地,所述第一充气部下端中部向内凹陷。Further preferably, the middle part of the lower end of the first inflatable part is recessed inward.

进一步优选地,所述第三充气部与所述第二充气部的上端、左侧和右侧均留有间距。Further preferably, the third inflatable part is spaced apart from the upper end, the left side and the right side of the second inflatable part.

进一步优选地,所述第一充气部、第二充气部、第三充气部和所述扁平部的中心均设置于所述背垫本体的中轴线上。Further preferably, the centers of the first inflatable part, the second inflatable part, the third inflatable part and the flat part are all arranged on the central axis of the back pad body.

相对于现有技术,本实用新型的儿童用座椅背垫,通过设置所述第一充气部,可以垫靠使用者的臀部及腰部;所述第三充气部的设置,可以垫靠使用者的背部,所述第三充气部内的气体是所述第二充气部内的气体通过所述通气孔进入,所述第三充气部的充气速度小于第二充气部的充气速度,所述第二充气部和所述第三充气部之间的充气后存在厚度差,其厚度差可以将使用者的背部包裹并固定住;所述扁平部的设置,可以放置使用者的头部,利用所述第二充气部上端的凹陷处,可以固定使用者的头部;可防止车辆晃动时,使用者掉落坐垫。采用可充气的设置,可以根据个人身形需求选择充气量,使用更舒适;使用后,放掉里面的气体就可以收纳,便于携带。本实用新型的儿童用座椅背垫,符合儿童颈部、背部、腰部及臀部曲线设计,可以很好的包裹住儿童、防止掉落,具有固定性更好、使用舒适、方便收纳、便于携带、使用方便等特点。Compared with the prior art, the back pad of the child seat of the present invention can cushion the user's buttocks and waist by providing the first inflatable part; and the third inflatable part can cushion the user's back. The gas in the third inflatable part is the gas in the second inflatable part that enters through the vent hole, the inflation speed of the third inflatable part is lower than the inflation speed of the second inflatable part, the second inflatable part is inflated There is a difference in thickness between the flat part and the third inflatable part after inflation, and the difference in thickness can wrap and fix the user's back; Second, the depression on the upper end of the inflatable part can fix the user's head; it can prevent the user from falling off the seat cushion when the vehicle shakes. With the inflatable setting, you can choose the amount of inflation according to your personal body shape needs, making it more comfortable to use; after use, you can store it by releasing the gas inside, making it easy to carry. The child seat back cushion of the utility model conforms to the curve design of the child's neck, back, waist and buttocks, can well wrap the child, prevent falling, and has better fixation, comfortable use, convenient storage and portability , easy to use and so on.

为了更好地理解和实施,下面结合附图详细说明本实用新型。For better understanding and implementation, the present utility model is described in detail below with reference to the accompanying drawings.

附图说明Description of drawings

图1是本实用新型的儿童用座椅背垫的结构示意图。FIG. 1 is a schematic structural diagram of a child seat back pad of the present invention.

图2是本实用新型的儿童用座椅背垫的正面结构示意图。FIG. 2 is a schematic view of the front structure of the child seat back pad of the present invention.

图3是本实用新型的儿童用座椅背垫的充气状态结构示意图。3 is a schematic structural diagram of the inflated state of the child seat back cushion of the present invention.

图4是本实用新型的儿童用座椅背垫放置在座椅上的使用状态示意图。FIG. 4 is a schematic diagram of the use state of the child seat back cushion of the present invention placed on the seat.

图5是本实用新型的儿童用座椅背垫的使用状态示意图。FIG. 5 is a schematic diagram of the use state of the child seat back cushion of the present invention.

具体实施方式Detailed ways

在本说明书中提到或者可能提到的上、下、左、右、前、后、正面、背面、顶部、底部等方位用语是相对于各附图中所示的构造进行定义的,它们是相对的概念,因此有可能会根据其所处不同位置、不同使用状态而进行相应地变化。所以,也不应当将这些或者其他的方位用语解释为限制性用语。Orientation terms such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possibly mentioned in this specification are defined relative to the configurations shown in the respective drawings, which are It is a relative concept, so it may change accordingly according to its different locations and different usage states. Therefore, these and other terms of orientation should not be construed as limiting.

请参阅图1-3,图1是本实用新型的儿童用座椅背垫的结构示意图,图2是本实用新型的儿童用座椅背垫的正面结构示意图,图3是本实用新型的儿童用座椅背垫的充气状态结构示意图。Please refer to FIGS. 1-3, FIG. 1 is a schematic diagram of the structure of the child seat back pad of the present invention, FIG. 2 is a frontal structural schematic diagram of the child seat back pad of the present invention, and FIG. 3 is a child seat back pad of the present invention. Schematic diagram of the inflated state of the seat back cushion.

一种儿童用座椅背垫,包括背垫本体1,所述背垫本体1包括第一充气部11、第二充气部12、第三充气部13和密封的扁平部14;所述第一充气部11上端中部向下凹陷;所述第二充气部12设置于所述第一充气部11上端,所述第二充气部12上端中部向下凹陷;所述第三充气部13呈V字形,所述第三充气部13设置于所述第二充气部12中部,且所述第三充气部13的下部位于所述第一充气部11的凹陷处,所述第三充气部13上设有与所述第二充气部12气路连通的通气孔131;所述扁平部14设置于所述第二充气部12的凹陷处;所述第一充气部11上设有第一充气孔111;所述第二充气部12上设有第二充气孔121。A child seat back pad, comprising a back pad body 1, the back pad body 1 includes a first inflatable portion 11, a second inflatable portion 12, a third inflatable portion 13 and a sealed flat portion 14; The middle part of the upper end of the inflatable part 11 is depressed downward; the second inflatable part 12 is arranged on the upper end of the first inflatable part 11 , and the middle part of the upper end of the second inflatable part 12 is depressed downward; the third inflatable part 13 is V-shaped , the third inflatable part 13 is arranged in the middle of the second inflatable part 12 , and the lower part of the third inflatable part 13 is located in the depression of the first inflatable part 11 , and the third inflatable part 13 is provided with There is a ventilation hole 131 communicating with the second inflatable part 12; the flat part 14 is arranged in the depression of the second inflatable part 12; the first inflatable part 11 is provided with a first inflatable hole 111 ; The second inflatable part 12 is provided with a second inflatable hole 121 .

本实用新型的儿童用座椅背垫,通过设置所述第一充气部11,可以垫靠使用者的臀部及腰部;所述第三充气部13的设置,可以垫靠使用者的背部,所述第三充气部13内的气体是所述第二充气部12内的气体通过所述通气孔131进入,所述第三充气部13的充气速度小于第二充气部12的充气速度,所述第二充气部12和所述第三充气部13之间的充气后存在厚度差,其厚度差可以将使用者的背部包裹并固定住;所述扁平部14的设置,可以放置使用者的头部,利用所述第二充气部12上端的凹陷处,可以固定使用者的头部;可防止车辆晃动时,使用者掉落坐垫。采用可充气的设置,可以根据个人身形需求选择充气量,使用更舒适;使用后,放掉里面的气体就可以收纳,便于携带。本实用新型的儿童用座椅背垫,符合儿童颈部、背部、腰部及臀部曲线设计,可以很好的包裹住儿童、防止掉落,具有固定性更好、使用舒适、方便收纳、便于携带、使用方便等特点。In the child seat back cushion of the present invention, the first inflatable part 11 can be arranged to cushion the user's buttocks and waist; the third inflatable part 13 can be arranged to cushion the user's back, so The gas in the third inflatable part 13 is that the gas in the second inflatable part 12 enters through the vent hole 131 , and the inflation speed of the third inflatable part 13 is lower than the inflation speed of the second inflatable part 12 . There is a difference in thickness between the second inflatable part 12 and the third inflatable part 13 after inflation, and the difference in thickness can wrap and fix the user's back; the flat part 14 can be arranged to place the user's head The user's head can be fixed by using the recess at the upper end of the second inflatable part 12; it can prevent the user from falling off the seat cushion when the vehicle shakes. With the inflatable setting, you can choose the amount of inflation according to your personal body shape requirements, making it more comfortable to use; after use, you can store it by releasing the gas inside, making it easy to carry. The child seat back cushion of the utility model conforms to the curve design of the child's neck, back, waist and buttocks, can well wrap the child, prevent falling, and has better fixation, comfortable use, convenient storage and portability , easy to use and so on.

所述第一充气部11、第二充气部12、第三充气部13和所述扁平部14的中心均设置于所述背垫本体1的中轴线上。如此设置,在所述背垫本体1充气后,左右对称,使用时更舒适。The centers of the first inflatable portion 11 , the second inflatable portion 12 , the third inflatable portion 13 and the flat portion 14 are all arranged on the central axis of the back pad body 1 . In this way, after the back pad body 1 is inflated, the left and right sides are symmetrical, and it is more comfortable to use.

所述第三充气部13与所述第二充气部12的上端、左侧和右侧均留有间距。如此设置,可以让所述第二充气部12两侧的进气速度更快,防止部分区域进气不均。The upper end, the left side and the right side of the third inflatable part 13 and the second inflatable part 12 are all spaced apart. With this arrangement, the air intake speed on both sides of the second inflatable portion 12 can be made faster, thereby preventing uneven air intake in some areas.

所述第一充气部11下端中部向内凹陷。如此设置,更贴合儿童臀部的曲线设计。The middle part of the lower end of the first inflatable part 11 is recessed inward. This setting is more suitable for the curved design of the child's buttocks.

所述通气孔131为两个,2个所述通气孔131分别位于所述第三充气部13两端内侧。如此设置,可以让所述第三充气部13左右两侧的进气和放气速度一致,所述第三充气部13更平整,使用时更舒适。且将所述通气孔131设置在所述第三充气部13两端的内侧,还可以减缓所述通气孔131的进气速度。There are two ventilation holes 131 , and the two ventilation holes 131 are located on the inner sides of both ends of the third inflatable portion 13 respectively. In this way, the air intake and air discharge speeds on the left and right sides of the third inflatable portion 13 can be made consistent, and the third inflatable portion 13 is flatter and more comfortable to use. In addition, arranging the ventilation holes 131 on the inner sides of both ends of the third inflatable portion 13 can also slow down the air intake speed of the ventilation holes 131 .

所述第一充气孔111设置于所述第一充气部11的背面。因为设置所述第一充气孔111的部位相对不够平整,使用时不够舒适,将所述第一充气孔111设置在所述第一充气部11的背面就不会影响使用者的使用体验。The first inflatable hole 111 is disposed on the back of the first inflatable portion 11 . Because the part where the first inflatable hole 111 is arranged is relatively not flat enough to be used comfortably, arranging the first inflatable hole 111 on the back of the first inflatable part 11 will not affect the user's experience.

为了密封所述第一充气孔111,防止漏气,所述第一充气孔111上设有可拆卸的密封盖。In order to seal the first inflation hole 111 and prevent air leakage, a detachable sealing cover is provided on the first inflation hole 111 .

所述第二充气孔121设置于所述第二充气部12的背面。因为设置所述第二充气孔121的部位相对不够平整,使用时不够舒适,将所述第二充气孔121设置于所述第二充气部12的背面就不会影响使用者的使用体验。The second inflatable hole 121 is disposed on the back of the second inflatable portion 12 . Because the part where the second inflatable hole 121 is arranged is relatively not flat enough to be comfortable in use, arranging the second inflatable hole 121 on the back of the second inflatable part 12 will not affect the user's experience.

为了密封所述第二充气孔121,防止漏气,所述第二充气孔121上设有可拆卸的密封盖。In order to seal the second inflatable hole 121 and prevent air leakage, a detachable sealing cover is provided on the second inflatable hole 121 .

所述第一充气孔111与所述第二充气孔121之间的连线与所述背垫本体1的中轴线平行。如此设置,可以尽量缩短所述第一充气孔111与所述第二充气孔121之间的距离,在充气时,比较方便操作。The connecting line between the first air hole 111 and the second air hole 121 is parallel to the central axis of the back pad body 1 . In this way, the distance between the first inflating hole 111 and the second inflating hole 121 can be shortened as much as possible, which is more convenient to operate during inflation.

因为儿童的身形较小,所以没有在所述第二充气部12上单独设置一个放置颈部的区域。本实用新型的儿童用座椅背垫适合身高40cm-60cm的儿童使用。Because of the small size of the child, there is no separate area for placing the neck on the second inflatable part 12 . The child seat back cushion of the utility model is suitable for children with a height of 40cm-60cm.

请参阅图4-图5,图4是本实用新型的儿童用座椅背垫放置在座椅上的使用状态示意图,图5是本实用新型的儿童用座椅背垫的使用状态示意图。Please refer to FIGS. 4-5 , FIG. 4 is a schematic diagram of the use state of the child seat back cushion of the present invention placed on the seat, and FIG. 5 is a use state schematic diagram of the child seat back cushion of the present invention.

本实用新型的儿童用座椅背垫使用方法:The use method of the child seat back cushion of the present utility model:

1、通过所述第一充气孔111对所述第一充气部11充气;1. Inflate the first inflatable part 11 through the first inflatable hole 111;

2、通过所述第二充气孔121对所述第二充气部12和所述第三充气部13充气;2. Inflate the second inflatable part 12 and the third inflatable part 13 through the second inflatable hole 121;

3、将充气后的所述儿童用座椅背垫依靠在座椅靠背上即可使用;3. The inflated child seat back pad can be used by leaning on the seat back;

4、收纳时,通过所述第一充气孔111和所述第二充气孔121放气后即可收纳。4. During storage, it can be stored after being deflated through the first inflatable hole 111 and the second inflatable hole 121 .

相对现有技术,本实用新型的儿童用座椅背垫,通过设置所述第一充气部,可以垫靠使用者的臀部及腰部;所述第三充气部的设置,可以垫靠使用者的背部,所述第三充气部内的气体是所述第二充气部内的气体通过所述通气孔进入,所述第三充气部的充气速度小于第二充气部的充气速度,所述第二充气部和所述第三充气部之间的充气后存在厚度差,其厚度差可以将使用者的背部包裹并固定住;所述扁平部的设置,可以放置使用者的头部,利用所述第二充气部上端的凹陷处,可以固定使用者的头部;可防止车辆晃动时,使用者掉落坐垫。采用可充气的设置,可以根据个人身形需求选择充气量,使用更舒适;使用后,放掉里面的气体就可以收纳,便于携带。本实用新型的儿童用座椅背垫,符合儿童颈部、背部、腰部及臀部曲线设计,可以很好的包裹住儿童、防止掉落,具有固定性更好、使用舒适、方便收纳、便于携带、使用方便等特点。Compared with the prior art, the back pad of the child seat of the present invention can cushion the user's buttocks and waist by providing the first inflatable part; the third inflatable part can cushion the user's waist. Back, the gas in the third inflatable part is the gas in the second inflatable part entering through the vent hole, the inflation speed of the third inflatable part is lower than the inflation speed of the second inflatable part, the second inflatable part There is a difference in thickness between the third inflatable part and the third inflatable part, and the difference in thickness can wrap and fix the user's back; The depression at the upper end of the inflatable part can fix the user's head; it can prevent the user from falling off the seat cushion when the vehicle shakes. With the inflatable setting, you can choose the amount of inflation according to your personal body shape requirements, making it more comfortable to use; after use, you can store it by releasing the gas inside, making it easy to carry. The child seat back cushion of the utility model conforms to the curve design of the child's neck, back, waist and buttocks, can well wrap the child, prevent falling, and has better fixation, comfortable use, convenient storage and portability , easy to use and so on.

以上所述实施例仅表达了本实用新型的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对实用新型专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本实用新型构思的前提下,还可以做出若干变形和改进,这些都属于本实用新型的保护范围。The above-mentioned embodiments only represent several embodiments of the present utility model, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims (9)

1.一种儿童用座椅背垫,其特征在于:包括背垫本体,所述背垫本体包括第一充气部、第二充气部、第三充气部和密封的扁平部;所述第一充气部上端中部向下凹陷;所述第二充气部设置于所述第一充气部上端,所述第二充气部上端中部向下凹陷;所述第三充气部呈V字形,所述第三充气部设置于所述第二充气部中部,且所述第三充气部的下部位于所述第一充气部的凹陷处,所述第三充气部上设有与所述第二充气部气路连通的通气孔;所述扁平部设置于所述第二充气部的凹陷处;1. A child seat back pad, characterized in that: comprising a back pad body, the back pad body comprising a first inflatable portion, a second inflatable portion, a third inflatable portion and a sealed flat portion; the first inflatable portion The middle part of the upper end of the inflatable part is depressed downward; the second inflatable part is arranged on the upper end of the first inflatable part, and the middle part of the upper end of the second inflatable part is depressed downward; the third inflatable part is V-shaped, and the third inflatable part is V-shaped. The inflatable part is arranged in the middle of the second inflatable part, and the lower part of the third inflatable part is located in the depression of the first inflatable part, and the third inflatable part is provided with an air path with the second inflatable part connected ventilation holes; the flat part is arranged in the depression of the second inflatable part; 所述第一充气部上设有第一充气孔;所述第二充气部上设有第二充气孔。The first inflatable part is provided with a first inflatable hole; the second inflatable part is provided with a second inflatable hole. 2.根据权利要求1所述的儿童用座椅背垫,其特征在于:所述通气孔为两个,2个所述通气孔分别位于所述第三充气部两端内侧。2 . The back pad for a child seat according to claim 1 , wherein the number of the ventilation holes is two, and the two ventilation holes are respectively located on the inner sides of both ends of the third inflatable part. 3 . 3.根据权利要求1所述的儿童用座椅背垫,其特征在于:所述第一充气孔设置于所述第一充气部的背面。3 . The back pad for a child seat according to claim 1 , wherein the first inflatable hole is disposed on the back of the first inflatable portion. 4 . 4.根据权利要求3所述的儿童用座椅背垫,其特征在于:所述第二充气孔设置于所述第二充气部的背面。4 . The back pad for a child seat according to claim 3 , wherein the second inflatable hole is disposed on the back of the second inflatable portion. 5 . 5.根据权利要求4所述的儿童用座椅背垫,其特征在于:所述第一充气孔与所述第二充气孔之间的连线与所述背垫本体的中轴线平行。5 . The back pad for a child seat according to claim 4 , wherein the connecting line between the first inflatable hole and the second inflatable hole is parallel to the central axis of the back pad body. 6 . 6.根据权利要求5所述的儿童用座椅背垫,其特征在于:所述第一充气孔与所述第二充气孔上均设有可拆卸的密封盖。6 . The back pad for a child seat according to claim 5 , wherein a detachable sealing cover is provided on the first inflatable hole and the second inflatable hole. 7 . 7.根据权利要求1-6任一项所述的儿童用座椅背垫,其特征在于:所述第一充气部下端中部向内凹陷。7 . The back pad for a child seat according to claim 1 , wherein the middle part of the lower end of the first inflatable part is recessed inward. 8 . 8.根据权利要求1-6任一项所述的儿童用座椅背垫,其特征在于:所述第三充气部与所述第二充气部的上端、左侧和右侧均留有间距。8. The child seat back cushion according to any one of claims 1-6, wherein the third inflatable part and the second inflatable part are spaced apart from the upper end, the left side and the right side . 9.根据权利要求1-6任一项所述的儿童用座椅背垫,其特征在于:所述第一充气部、第二充气部、第三充气部和所述扁平部的中心均设置于所述背垫本体的中轴线上。9 . The back pad for a child seat according to claim 1 , wherein the center of the first inflatable part, the second inflatable part, the third inflatable part and the flat part are all arranged in the center. 10 . on the central axis of the back pad body.
CN201920510742.7U 2019-04-16 2019-04-16 Seat back cushion for children Expired - Fee Related CN210018642U (en)

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