CN108340815B - child safety seat - Google Patents
child safety seat Download PDFInfo
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- CN108340815B CN108340815B CN201710047807.4A CN201710047807A CN108340815B CN 108340815 B CN108340815 B CN 108340815B CN 201710047807 A CN201710047807 A CN 201710047807A CN 108340815 B CN108340815 B CN 108340815B
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- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims description 3
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- 238000009434 installation Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
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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
- B60N2/2851—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with head-rests
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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
- B60N2/2827—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part part of the base being supported by the seat sub-frame
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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
- B60N2/2875—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle inclinable, as a whole or partially
- B60N2/2878—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle inclinable, as a whole or partially the back-rest being inclinable
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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
本发明公开了一种儿童安全座椅,包括:座椅本体、头枕和高度调整机构,椅背上设有导向槽,椅背的外侧面在导向槽的两侧分别形成滑行面,每个滑行面上设有多个卡槽,头枕设在椅背的内侧面上;高度调整机构包括:操作部、固定部和调节部,操作部与头枕相连,操作部上设有滑槽,滑槽的上表面和下表面在朝向椅背的外侧面的方向上远离彼此延伸;固定部包括滑板和导向块,导向块插入至导向槽内且与头枕相连,滑板沿两侧滑行面滑动;调节部包括:卡杆、凸柱和弹性件,卡杆卡合在两侧卡槽内,凸柱穿过导向槽插入至滑槽内,弹性件用于常驱动凸柱朝向头枕移动。根据本发明的儿童安全座椅,结构简单、加工成本低,调节便利。
The invention discloses a child safety seat, comprising: a seat body, a headrest and a height adjustment mechanism, a guide groove is arranged on the seat back, and sliding surfaces are respectively formed on both sides of the guide groove on the outer surface of the seat back, each There are multiple card slots on the sliding surface, and the headrest is arranged on the inner side of the seat back; the height adjustment mechanism includes: an operation part, a fixing part and an adjustment part, the operation part is connected with the headrest, and there is a chute on the operation part The upper surface and the lower surface of the slide groove extend away from each other in the direction toward the outer side of the seat back; the fixed part includes a slide plate and a guide block, the guide block is inserted into the guide groove and connected with the headrest, and the slide plate slides along the sliding surfaces on both sides The adjustment part includes: a lever, a boss and an elastic piece. The lever is engaged in the slots on both sides, the boss passes through the guide groove and is inserted into the chute, and the elastic piece is used to drive the boss to move toward the headrest. According to the child safety seat of the present invention, the structure is simple, the processing cost is low, and the adjustment is convenient.
Description
技术领域technical field
本发明涉及儿童安全座椅领域。The invention relates to the field of child safety seats.
背景技术Background technique
现在的儿童安全座椅上设置的头枕大多是高度不可调的,给不同年龄段的儿童乘坐带来诸多不便。也有的儿童安全座椅上设置了可调节头枕高度的机构,有的调节机构中头枕可直接伸缩设置,利用摩擦力止动,这样的头枕调节容易失效。也有的调节机构中头枕利用螺栓固定在座椅不同高度处,头枕调节过于麻烦。Most of the headrests provided on current child safety seats are non-adjustable in height, which brings a lot of inconvenience to children of different ages. Some child safety seats are also equipped with a mechanism that can adjust the height of the headrest. In some adjustment mechanisms, the headrest can be directly stretched and set, and the friction force is used to stop the headrest. Such headrest adjustment is prone to failure. In the adjusting mechanism that also has, headrest utilizes bolt to be fixed at different heights of seat, and headrest adjustment is too troublesome.
发明内容Contents of the invention
本申请是旨在解决现有技术中存在的技术问题,因此提出一种儿童安全座椅,可方便地调节头枕高度。The present application aims to solve the technical problems existing in the prior art, and therefore proposes a child safety seat, which can conveniently adjust the height of the headrest.
根据本发明的儿童安全座椅,包括:座椅本体,所述座椅本体包括椅座和椅背,所述椅背具有内侧面和外侧面,所述椅背上设有在厚度方向贯通的导向槽,所述椅背的外侧面设有沿竖向排布的多个卡槽;头枕,所述头枕设在所述椅背的内侧面上;高度调整机构,所述高度调整机构包括:操作部,所述操作部与所述头枕相连,所述操作部在朝向所述椅背的外侧面一侧设有滑槽,所述滑槽的上表面和下表面在朝向所述椅背的外侧面的方向上远离彼此延伸;固定部,所述固定部与所述头枕相连且沿所述导向槽竖向滑动;调节部,所述调节部可移动地设在所述固定部上,所述调节部包括:卡杆、凸柱和弹性件,所述卡杆卡合在所述导向槽两侧的所述卡槽内,所述凸柱穿过所述导向槽插入至所述滑槽内,所述弹性件用于常驱动所述凸柱朝向所述头枕移动。The child safety seat according to the present invention includes: a seat body, the seat body includes a seat and a seat back, the seat back has an inner surface and an outer surface, and the seat back is provided with a guide groove, the outer surface of the chair back is provided with a plurality of card slots arranged vertically; the headrest, the headrest is arranged on the inner surface of the chair back; the height adjustment mechanism, the height adjustment mechanism It includes: an operation part, the operation part is connected with the headrest, the operation part is provided with a sliding groove on the side facing the outer side of the seat back, and the upper surface and the lower surface of the sliding groove are facing the The direction of the outer side of the seat back extends away from each other; the fixing part is connected with the headrest and slides vertically along the guide groove; the adjusting part is movably arranged on the fixing part On the part, the adjusting part includes: a lever, a boss and an elastic member, the lever is engaged in the groove on both sides of the guide groove, and the boss is inserted into the guide groove through the guide groove. In the chute, the elastic member is used to constantly drive the protrusion to move toward the headrest.
根据本发明实施例的儿童安全座椅,通过设置高度调整机构来调节头枕在座椅本体上的高度,儿童安全座椅整体结构简单、加工成本低,且只要上下拉动头枕或者操作部就能调节头枕的高度,停止拉动时头枕又能较好地卡在座椅本体上,从而使头枕高度调节非常便利。According to the child safety seat of the embodiment of the present invention, the height of the headrest on the seat body is adjusted by setting a height adjustment mechanism. The height of the headrest can be adjusted, and the headrest can be better stuck on the seat body when the pulling is stopped, so that the height adjustment of the headrest is very convenient.
在一些实施例中,所述调节部还包括滚轮,所述滚轮设在所述凸柱的伸入至所述滑槽的端部。In some embodiments, the adjustment part further includes a roller, and the roller is provided at the end of the protrusion protruding into the slide groove.
在一些实施例中,所述固定部上设有贯通的导向孔,所述凸柱可伸缩地设在所述导向孔内。In some embodiments, the fixing part is provided with a through guide hole, and the protrusion is telescopically arranged in the guide hole.
在一些实施例中,所述弹性件为弹簧,所述弹簧设在所述导向孔内且外套在所述凸柱上,所述弹簧的一端抵接在所述固定部上且另一端抵接在所述凸柱上。In some embodiments, the elastic member is a spring, the spring is arranged in the guide hole and covered on the boss, one end of the spring abuts against the fixing part and the other end abuts against on the boss.
在一些实施例中,所述凸柱的远离所述头枕的一端形成轴套,所述轴套可拆卸地外套在所述卡杆上。In some embodiments, an end of the protrusion away from the headrest forms a bushing, and the bushing is detachably covered on the clamping rod.
在一些实施例中,所述固定部包括滑板和导向块,所述导向块设在所述滑板的朝向所述头枕的一侧,所述导向块插入至所述导向槽内且与所述头枕相连,所述滑板沿所述导向槽竖向滑动,其中,所述调节部可移动地设在所述导向块上。In some embodiments, the fixing part includes a slide plate and a guide block, the guide block is provided on the side of the slide plate facing the headrest, the guide block is inserted into the guide groove and is in contact with the The headrests are connected, and the slide plate vertically slides along the guide groove, wherein the adjustment part is movably arranged on the guide block.
在一些实施例中,所述椅背上设有多个间隔开的所述导向槽,所述固定部上设有分别配合在多个所述导向槽内的多个所述导向块。In some embodiments, the seat back is provided with a plurality of spaced apart guide grooves, and the fixing part is provided with a plurality of guide blocks respectively fitted in the plurality of guide grooves.
在一些实施例中,所述操作部对应每个所述导向槽均设有所述滑槽,所述调节部包括对应多个所述滑槽的多个所述凸柱和弹性件。In some embodiments, the operating part is provided with the sliding slot corresponding to each of the guiding slots, and the adjusting part includes a plurality of the protrusions and elastic members corresponding to the plurality of sliding slots.
在一些实施例中,所述操作部的顶端设有拉手,所述滑槽形成在所述操作部的底端。In some embodiments, a handle is provided on the top end of the operation part, and the slide groove is formed on the bottom end of the operation part.
在一些实施例中,所述头枕在朝向所述椅背的一侧设有固定槽,所述操作部设在所述固定槽内,所述高度调整机构还包括滑盖,所述滑盖盖合在所述固定槽上,所述滑盖位于所述操作部和所述椅背之间。In some embodiments, the headrest is provided with a fixing groove on the side facing the seat back, the operating part is arranged in the fixing groove, and the height adjustment mechanism further includes a slide cover, and the slide cover The cover is closed on the fixing groove, and the slide cover is located between the operation part and the seat back.
在一些实施例中,儿童安全座椅还包括:底座,所述底座上设有转孔;座椅调节机构,所述座椅调节机构包括:转盘,所述转盘可转动地设在所述转孔内,所述座椅本体设在所述转盘上,且所述座椅本体与所述底座之间的转动部件仅包括所述转盘。In some embodiments, the child safety seat further includes: a base, a rotating hole is arranged on the base; a seat adjustment mechanism, the seat adjustment mechanism includes: a turntable, the turntable is rotatably arranged on the turntable In the hole, the seat body is arranged on the turntable, and the rotating part between the seat body and the base only includes the turntable.
在一些实施例中,所述底座上设有多个环绕所述转盘设置的第一档位孔;所述座椅调节机构还包括:拉板,所述拉板设在所述座椅本体和所述转盘之间,所述拉板具有连接端和拉动端,所述连接端与所述座椅本体相连,所述拉动端上设有卡栓,所述拉动端可在所述座椅本体和所述转盘之间上下活动,当所述拉动端向下活动时可带动所述卡栓插入所述第一档位孔,当所述拉动端向上活动时可带动所述卡栓拔出;档位保持弹性件,所述档位保持弹性件设在所述座椅本体和所述拉动端之间以常驱动拉动端向下活动。In some embodiments, the base is provided with a plurality of first gear holes arranged around the turntable; the seat adjustment mechanism further includes: a pull plate, the pull plate is arranged on the seat body and Between the turntables, the pull plate has a connecting end and a pulling end, the connecting end is connected to the seat body, a latch is provided on the pulling end, and the pulling end can be placed on the seat body Move up and down with the turntable, when the pulling end moves downward, it can drive the latch to be inserted into the first gear hole, and when the pulling end moves upward, it can drive the latch to be pulled out; The gear holding elastic member is arranged between the seat body and the pulling end to constantly drive the pulling end to move downward.
本发明的附加方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得明显,或通过本发明的实践了解到。Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
附图说明Description of drawings
本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解,其中:The above and/or additional aspects and advantages of the present invention will become apparent and understandable from the description of the embodiments in conjunction with the following drawings, wherein:
图1是根据本发明实施例的儿童安全座椅的立体结构示意图;Fig. 1 is a three-dimensional structural schematic diagram of a child safety seat according to an embodiment of the present invention;
图2是根据本发明实施例的座椅本体及头枕、高度调整机构的立体结构示意图;Fig. 2 is a three-dimensional structural schematic diagram of a seat body, a headrest, and a height adjustment mechanism according to an embodiment of the present invention;
图3是图2中的座椅本体及头枕、高度调整机构的分解示意图;Fig. 3 is an exploded schematic view of the seat body, the headrest, and the height adjustment mechanism in Fig. 2;
图4是部分高度调整机构的放大示意图;Fig. 4 is an enlarged schematic diagram of a part of the height adjustment mechanism;
图5是根据本发明实施例的座椅本体的侧视图;5 is a side view of a seat body according to an embodiment of the present invention;
图6是根据本发明实施例的底座及座椅调节机构的立体图;6 is a perspective view of a base and a seat adjustment mechanism according to an embodiment of the present invention;
图7是根据本发明实施例的底座及转盘的立体图;7 is a perspective view of a base and a turntable according to an embodiment of the present invention;
图8是图7所示的底座及转盘的剖视图;Fig. 8 is a sectional view of the base and the turntable shown in Fig. 7;
图9是根据本发明实施例的拉板的立体图。Fig. 9 is a perspective view of a pull plate according to an embodiment of the present invention.
附图标记:Reference signs:
儿童安全座椅100、
座椅本体1、椅座11、椅背12、椅背的内侧面S1、椅背的外侧面S2、导向槽13、卡槽14、第一卡块15、第二卡块16、滑轨17、
头枕2、固定槽21、
底座3、转孔30、上底壳31、下底壳32、悬板34、第一档位孔36、限位槽37、第二档位孔38、
高度调整机构4、操作部41、滑槽411、滑槽的上表面F1、滑槽的下表面F2、拉手412、固定部42、导向块421、滑板422、导向孔423、缺口424、调节部43、卡杆431、凸柱432、弹性件433、滚轮434、轴套435、滑盖44、Height adjustment mechanism 4,
座椅调节机构5、转盘51、挡块511、拉板52、卡栓521、连接端P1、拉动端P2、保持块522、插接块523、档位保持弹性件53、滑块54。
具体实施方式Detailed ways
下面详细描述本发明的实施例,所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的,旨在用于解释本发明,而不能理解为对本发明的限制。Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
下面参考附图描述根据本发明实施例的儿童安全座椅100。A
根据本发明实施例的儿童安全座椅100,如图1所示,包括:座椅本体1、头枕2和底座3。A
具体地,座椅本体1包括椅座11和椅背12,可以理解的是,儿童安全座椅100使用时,儿童坐在椅座11上且背靠在椅背12上,椅背12具有内侧面S1和外侧面S2,椅背12的被倚靠的表面为椅背12的内侧面S1,椅背12的与内侧面S1相对的表面则为椅背12的外侧面S2。Specifically, the
参照图1-图3,头枕2设在椅背12的内侧面S1上,儿童安全座椅100还包括用于调整头枕2在椅背12上高度的高度调整机构4。Referring to FIGS. 1-3 , the
具体地,如图3所示,椅背12上设有在厚度方向贯通的导向槽13,椅背12的外侧面S2在导向槽13的水平两侧分别形成滑行面,每个滑行面上设有沿竖向排布的多个卡槽14。Specifically, as shown in FIG. 3 , the
如图2-图4所示,高度调整机构4包括:操作部41、固定部42和调节部43,操作部41与头枕2相连,操作部41在朝向椅背12的外侧面S2一侧设有滑槽411,滑槽411的上表面F1和下表面F2在朝向椅背12的外侧面S2的方向上远离彼此延伸。固定部42包括滑板422和导向块421,导向块421设在滑板422的朝向头枕2的一侧且与头枕2相连,导向块421插入至导向槽13内且可沿导向槽13上下滑动,滑板422可沿导向槽13两侧的滑行面滑动。该实施例中滑板422的设置可使固定部42与座椅本体1的椅背12接触面积大、滑行平稳,但是本发明实施例中固定部42的结构可不限于此,在其他实施例中,固定部42也可仅设置有沿导向槽13上下滑动的导向块421,这就相当于固定部42上去掉了滑板422的结构。As shown in FIGS. 2-4 , the height adjustment mechanism 4 includes: an
调节部43可移动地设在固定部42上,调节部43包括:卡杆431、凸柱432和弹性件433,卡杆431卡合在导向槽13两侧的卡槽14内,凸柱432穿过导向槽13插入至滑槽411内,弹性件433用于常驱动凸柱432朝向头枕2移动。这里,“常”指的是常态,“常驱动”表示弹性件433对凸柱432具有一个经常朝向某个方向推动的趋势。The
具体而言,高度调整机构4中操作部41与固定部42均与头枕2相连,其中的操作部41甚至可一体形成在头枕2上,当将头枕2、操作部41和固定部42中的一个上下拉动时,其余两个可随之上下滑动。Specifically, the operating
这里,由于固定部42包括滑板422和导向块421,导向块421与头枕2相连,滑板422沿导向槽13两侧的滑行面滑动,从而导向块421连接在头枕2和滑板422之间,头枕2和滑板422夹设在椅背12的两侧。由于固定部42中导向块421配合在椅背12上的导向槽13内,因此当头枕2高度调整时,头枕2、操作部41及固定部42均沿导向槽13的延伸方向滑动。Here, since the fixed
由于调节部43中,卡杆431卡合在导向槽13两侧的卡槽14内,凸柱432穿过导向槽13插入至滑槽411内,弹性件433用于常驱动凸柱432朝向头枕2移动,因此高度调整机构4具有两种状态,一种为高度稳定状态,另一种为高度调节状态。Because in the
在头枕2高度稳定状态下,弹性件433将凸柱432紧紧地扣在滑槽411内,凸柱432被压紧(或拉紧)在滑槽411内后,卡杆431的两端可分别紧紧地卡合在导向槽13两侧的卡槽14内,从而头枕2不能上下滑动。When the height of the
当向上拉动头枕2(或者操作部41)时,操作部41会相对调节部43的凸柱432向上移动,使得调节部43的凸柱432止抵在滑槽411的下表面F2上。在操作部41向上移动的过程中,凸柱432克服了弹性件433的弹性力而被滑槽411的下表面F2向外顶出。在凸柱432向外顶出的同时,调节部43的卡杆431也随之向卡槽14外顶出。没有卡杆431的卡止作用后,固定部42可随头枕2沿滑行面向上滑动。直到停止向上拉动头枕2(或者操作部41)后,凸柱432再次被弹性件433压紧(或拉紧)在滑槽411内,卡杆431的两端也分别紧紧地卡合在卡槽14内,从而头枕2不能再向上调节。When the headrest 2 (or the operation part 41 ) is pulled upward, the
同样,当向下按动头枕2(或者操作部41)时,操作部41会相对调节部43的凸柱432向下移动,使得调节部43的凸柱432止抵在滑槽411的上表面F1上。在操作部41向下移动的过程中,凸柱432克服了弹性件433的弹性力而被滑槽411的上表面F1向外顶出。在凸柱432向外顶出的同时,调节部43的卡杆431也随之向卡槽14外顶出,固定部42可随头枕2沿滑行面向下滑动。直到停止向下按动头枕2(或者操作部41)后,凸柱432再次被弹性件433压紧(或拉紧)在滑槽411内,卡杆431的两端也分别紧紧地卡合在卡槽14内,从而头枕2不能再向下调节。Similarly, when the headrest 2 (or the operating part 41 ) is pushed down, the operating
根据本发明实施例的儿童安全座椅100,通过设置高度调整机构4来调节头枕2在座椅本体1上的高度,儿童安全座椅100整体结构简单、加工成本低,且只要上下拉动头枕2或者操作部41就能调节头枕2的高度,停止拉动时头枕2又能较好地卡在座椅本体1上,从而使头枕2高度调节非常便利。According to the
具体地,如图2-图4所示,椅背12上设有多个间隔开的导向槽13,固定部42上设有分别配合在多个导向槽13内的多个导向块421。多个导向块421的导向作用,可使头枕2在水平方向受力均衡,高度调节时滑动平稳。Specifically, as shown in FIGS. 2-4 , the seat back 12 is provided with a plurality of spaced apart guide
在一些具体实施例中,如图2-图4所示,椅背12上设有左右间隔开的两个导向槽13,椅背12的外侧面S2中每个导向槽13的两侧均为滑行面,每个滑行面上均设有沿上下方向均匀间隔开的多个卡槽14。如图3所示,椅背12上设有两个竖向延伸的导向槽13,椅背12上还设有三列竖向排布的卡槽列,每列均包括多个沿横向延伸的卡槽14。In some specific embodiments, as shown in FIGS. Each sliding surface is provided with a plurality of
在该实施例中,每个卡槽列中多个卡槽14之间相互平行,三列卡槽列中多个卡槽14一一对应设置,即同一行的三个卡槽14的高度相同。In this embodiment, the plurality of draw-in
在一些实施例中,如图2和图3所示,操作部41固定连接在头枕2的背面,操作部41形成为长条直板状,操作部41的顶端设有拉手412,滑槽411形成在操作部41的底端。这样当调整头枕2高度时,可直接上下拉动拉手412,操作更加容易。In some embodiments, as shown in Fig. 2 and Fig. 3, the operating
具体地,如图3所示,当椅背12上设有多个导向槽13时,操作部41可对应每个导向槽13设置滑槽411,同时调节部43可对应多个滑槽411设置多个凸柱432和多个弹性件433。这样可保证在调整头枕2高度时,头枕2在水平方向上受力均匀,运动平稳。Specifically, as shown in Figure 3, when the seat back 12 is provided with a plurality of
在图4所示的实施例中,操作部41底部可设有两个滑槽411,具体地,操作部41底部形成有方形块,方形块的左右两侧面上形成有滑槽411,左侧的滑槽411在左侧是敞开的,右侧的滑槽411在右侧是敞开的。In the embodiment shown in Fig. 4, two sliding
进一步地,如图3所示,头枕2在朝向椅背12的一侧设有固定槽21,操作部41设在固定槽21内。这样头枕2滑动时,操作部41不会产生干涉妨碍。Further, as shown in FIG. 3 , the
具体地,如图2和图3所示,高度调整机构4还包括滑盖44,滑盖44盖合在固定槽21上,滑盖44位于操作部41和椅背12之间。由图3可以看出,滑盖44的朝向椅背12的表面是平滑面,滑盖44的设置可减小头枕2调整时操作部41与椅背12之间的摩擦力,使头枕2的高度调整更加省力。Specifically, as shown in FIG. 2 and FIG. 3 , the height adjustment mechanism 4 further includes a sliding
在一些实施例中,如图2-图4所示,调节部43包括:卡杆431、凸柱432、弹性件433和滚轮434。凸柱432可为一个或者多个,每个凸柱432上配置有弹性件433和滚轮434。In some embodiments, as shown in FIGS. 2-4 , the adjusting
其中,卡杆431可为长直的圆杆,而座椅本体1上所有卡槽14的竖向截面均为半圆形,有利地,卡杆431的半径与卡槽14的竖向截面的半径大体相等,这样卡杆431滑入或者滑出卡槽14时均较平缓,可避免卡杆431卡死的现象。Wherein, the clamping
具体地,如图4所示,凸柱432的远离头枕2的一端形成轴套435,轴套435可拆卸地外套在卡杆431上,这样可方便调节部43的装配。Specifically, as shown in FIG. 4 , an end of the
更具体地,如图4所示,凸柱432的另一端设有滚轮434,即滚轮434设在凸柱432的伸入至滑槽411的端部,这样当上下调节头枕2时,滚轮434可沿滑槽411的下表面F2或者上表面F1滑动,滚轮434的设置可将凸柱432与滑槽411表面之间的滑动摩擦转化为滚动摩擦,从而可使头枕2的高度调节更加顺畅省力。More specifically, as shown in FIG. 4 , the other end of the
在一些具体实施例中,如图4和图2所示,导向块421上设有贯通的导向孔423,凸柱432可伸缩地设在导向孔423内。这样可限制调节部43在固定部42上的活动范围,保证头枕2在上下活动时,调节部43的凸柱432沿导向孔423的延伸方向伸缩,从而可提高头枕2调节的结构可靠性。In some specific embodiments, as shown in FIG. 4 and FIG. 2 , the
具体地,弹性件433为弹簧,弹簧设在导向孔423内且外套在凸柱432上,弹簧的一端抵接在导向块421上且另一端抵接在凸柱432上。用弹簧外套在凸柱432上且用弹簧来驱动凸柱432活动,一方面可保证弹性件433不从凸柱432上脱落,另一方面也是可保证弹性件433的弹性力大而稳定,从而保证调节部43的结构可靠性高。Specifically, the
更具体地,如图4和图3所示,固定部42上每个导向块421的上端均超出滑板422的上端,导向块421在上端远离头枕2的一侧形成缺口424,调节部43的卡杆431卡在该缺口424内,缺口424的竖向截面为圆弧形。轴套435的竖向截面为圆环形,轴套435位于缺口424内,无论凸柱432被弹性件433松开还是拉紧,轴套435均能稳固地位于缺口424内而不致歪斜卡死。More specifically, as shown in FIG. 4 and FIG. 3 , the upper end of each guide block 421 on the fixed
如图4所示,导向块421在对应缺口424处设置有导向孔423,导向孔423在朝向头枕2的方向贯通导向块421。导向孔423包括大孔段和小孔段(图未示出),导向孔423中远离头枕2的部分为小孔段,导向孔423中邻近头枕2的部分为大孔段,大孔段与小孔段之间限定出台阶。弹簧设在大孔段内,弹簧的一端止抵在上述台阶上,弹簧的另一端止抵在凸柱432的设置滚轮434的端头上。As shown in FIG. 4 , the
在一些实施例中,如图6和图7所示,儿童安全座椅100的底座3上设有圆形的转孔30,儿童安全座椅100还包括座椅调节机构5,座椅调节机构5包括转盘51,转盘51可转动地设在转孔30内,座椅本体1设在转盘51上,且座椅本体1与底座3之间的转动部件仅包括所述转盘51。In some embodiments, as shown in FIGS. 6 and 7 , the
可以理解的是,现有的儿童安全座椅上如果座椅本体能够相对底座转动,座椅本体与底座之间通过设置的是转轴。而转轴较细,转轴的截面面积通常不足座椅本体的椅座面积的十分之一,较细的转轴承受的转矩、弯矩过大,转轴易折或者变形,导致座椅本体容易卡死而无法转动。It can be understood that, in the existing child safety seat, if the seat body can rotate relative to the base, a rotating shaft is provided between the seat body and the base. The rotating shaft is thinner, and the cross-sectional area of the rotating shaft is usually less than one-tenth of the seat area of the seat body. The torque and bending moment of the thinner rotating shaft are too large, and the rotating shaft is easy to break or deform, causing the seat body to be easily stuck. Dead and unable to turn.
也有的儿童安全座椅上不仅设置了转轴,转轴上方还设置转盘,该座椅转动时以转轴作为主要转动支撑部件,而以转盘作为辅助支撑部件,这就导致座椅结构复杂、成本较高。Some child safety seats are not only equipped with a rotating shaft, but also a turntable is arranged above the rotating shaft. When the seat is turned, the rotating shaft is used as the main rotating support part, and the turntable is used as the auxiliary supporting part, which leads to a complicated seat structure and high cost. .
而本发明实施例中,通过在座椅本体1和底座3之间设置转盘51,转盘51的截面面积大于等于椅座11面积的十分之一,转盘51面积大、承重能力强,转盘51不易损坏也不易歪斜、卡死,转动平稳、可靠性高。而且由于转盘51的截面面积较大,加工精度要求较低,从而可降低加工成本。In the embodiment of the present invention, by setting the
在本发明的一些具体示例中,转盘51的截面面积约为椅座11在水平面上的投影面积的1/5~1/3,优选地,转盘51的截面面积为椅座11在水平面上的投影面积的1/4。这里,转盘51的截面面积指的是转盘51在垂直于其转动轴线的截面上的面积。In some specific examples of the present invention, the cross-sectional area of the
在一些实施例中,如图8所示,底座3包括:上底壳31和下底壳32,下底壳32盖合在上底壳31的底部,上底壳31与下底壳32之间限定出安装空间。这种空壳结构可降低底座3重量及材料加工成本。In some embodiments, as shown in FIG. 8 , the
具体地,如图8所示,转孔30设在上底壳31上,转盘51的底端伸入到安装空间内,且转盘51的部分底端支撑在下底壳32上。Specifically, as shown in FIG. 8 , the rotating
需要说明的是,现有技术中当座椅本体通过转轴连接在底座上时,转轴与底座的连接处接触应力较大,需要在底座上设置特殊的轴座,或者转轴与底座之间连接轴承。但是轴承的设置增加了零件数量,且底座在轴承安装处结构复杂,成本增加。It should be noted that, in the prior art, when the seat body is connected to the base through a rotating shaft, the contact stress at the joint between the rotating shaft and the base is relatively large, and it is necessary to install a special shaft seat on the base, or to connect the bearing between the rotating shaft and the base. . However, the arrangement of the bearing increases the number of parts, and the structure of the base at the place where the bearing is installed is complicated, and the cost increases.
而本发明实施例中,由于转盘51截面面积较大,转盘51与底座3连接处挤压应力较小,因此转盘51可以直接置于底座3上,不仅节省了零件数量,而且也简化了座椅结构,这也是本发明实施例的儿童安全座椅100的一大优势。However, in the embodiment of the present invention, since the cross-sectional area of the
具体地,如图8所示,底座3还包括悬板34,悬板34设在安装空间内,悬板34与上底壳31之间限定出悬挂空间,转盘51的部分边缘夹设在悬挂空间内。这样相当于转盘51由下底壳32提供部分支撑力,还由上底壳31提供另一部分支撑力,转盘51上支撑力分散后,有利于提高整体支撑的平稳性。Specifically, as shown in Figure 8, the
在一些实施例中,如图8所示,转盘51上设有挡块511,挡块511设在安装空间内且止挡在上底壳31上。In some embodiments, as shown in FIG. 8 , a
具体地,转盘51的外周缘上设有环形的挡块511,转盘51从上底壳31的下方伸入到转孔30内,然后转盘51通过挡块511卡止在上底壳31上,避免转盘51整个从上底壳31上脱出。Specifically, an
一些实施例中,如图7所示,底座3上设有多个环绕转盘51设置的第一档位孔36。In some embodiments, as shown in FIG. 7 , the
如图6所示,座椅调节机构5还包括:拉板52和档位保持弹性件53,拉板52设在座椅本体1和转盘51之间,如图9和图6所示,拉板52具有连接端P1和拉动端P2,连接端P1与座椅本体1相连,拉动端P2上设有卡栓521,拉动端P2可在座椅本体1和转盘51之间上下活动,当拉动端P2向下活动时可带动卡栓521插入第一档位孔36,当拉动端P2向上活动时可带动卡栓521拔出。档位保持弹性件53设在座椅本体1和拉动端P2之间,以常驱动拉动端P2向下活动。这里,“常”指的是常态,“常驱动”表示档位保持弹性件53对拉板52具有一个经常朝向某个方向推动的趋势。As shown in Figure 6, the
这样在座椅本体1需要转动角度时,可将拉板52的拉动端P2向上拉动,使拉动端P2上卡栓521从底座3上的一个第一档位孔36内拔出,然后拉动该拉动端P2,从而可带动整个座椅本体1转动,调节其角度。当座椅本体1调整至需要的角度后可松开拉动端P2,拉动端P2在档位保持弹性件53的作用下向下活动,拉动端P2带动卡栓521插入另一个第一档位孔36中。在档位保持弹性件53的弹力压制下,卡栓521不易从该第一档位孔36中脱出,从而座椅本体1可保持该角度状态。In this way, when the
可以理解的是,底座3上的多个第一档位孔36位于卡栓521的转动轨迹上,从而在座椅本体1转动时,卡栓521可插在合适的第一档位孔36内定位。It can be understood that the multiple first gear holes 36 on the
在图9中拉板52上仅设有一个卡栓521,但是在其他实施例中拉板52上也可设置多个卡栓521,同时,底座3上多个第一档位孔36的设置位置与之相适配。Only one
具体地,如图9和图6所示,拉板52上设有保持块522,保持块522可为十字形,档位保持弹性件53可为弹簧,弹簧的底端外套在保持块522上而上端止抵在座椅本体1的椅座11上。Specifically, as shown in Figure 9 and Figure 6, the
进一步地,如图6所示,座椅本体1的底部设有第一卡块15和第二卡块16,如图9和图6所示,拉板52上设有卡在第一卡块15和第二卡块16之间的插接块523,这样可便于在拉动和推动拉板52时,可以对座椅本体1进行前后的角度调节。另外,拉板52可拆卸地连接在座椅本体1上,可便于儿童安全座椅100的拆装收纳。Further, as shown in FIG. 6, the bottom of the
在一些实施例中,如图1所示,座椅本体1上设有滑轨17,如图6所示,座椅调节机构5还包括滑块54,滑块54设在转盘51上,座椅本体1通过滑块54与滑轨17的配合可滑动地设在转盘51上。这样设置可调整座椅本体1相对转盘51的位置,使座椅本体1调整方向更加多元,使用更加舒适。In some embodiments, as shown in FIG. 1 , a
具体地,如图所示,座椅本体1的椅座11具有一定弧度,滑轨17沿座椅本体1的长度方向延伸,这位当将滑块54相对滑轨17滑动时,可调整座椅本体1的靠背的倾斜角度,使儿童使用更加舒适、安全。Specifically, as shown in the figure, the
具体地,如图7所示,底座3或者转盘51上设有第二档位孔38,座椅本体1滑动时、拉板52上的卡栓521可在第一档位孔36和第二档位孔38之间转换。Specifically, as shown in FIG. 7 , the
这样在座椅本体1需要调整位置时,可将卡栓521可从多个第一档位孔36之间转换,卡栓521也可从第一档位孔36和第二档位孔38之间转换,当第二档位孔38为多个时,卡栓521还可从多个第二档位孔38之间转换。In this way, when the position of the
如果第二档位孔38与其中一个第一档位孔36位于与滑轨17的延伸方向相平行的同一直线上,当卡栓521卡入该第一档位孔36时,可将拉板52的拉动端P2向上拉动,使拉动端P2上卡栓521从第一档位孔36内拔出,然后沿滑轨17的延伸方向拉动拉动端P2,从而可带动整个座椅本体1滑动,调节其位置。当座椅本体1调整至需要的位置后可松开拉动端P2,拉动端P2在档位保持弹性件53的作用下向下活动,拉动端P2带动卡栓521插入第二档位孔38中。在档位保持弹性件53的弹力压制下,卡栓521不易从该第二档位孔38中脱出,从而座椅本体1可保持该位置状态。If the
可以理解的是,底座3或者转盘51上均可设有一个或者多个第二档位孔38,第二档位孔38位于卡栓521的活动轨迹上,从而在座椅本体1滑动时,卡栓521可插在合适的第二档位孔38内定位。It can be understood that one or more second gear holes 38 can be provided on the
具体地,座椅本体1上设有在厚度方向贯通的贯通槽以构成滑轨17,滑块54卡在贯通槽内。这样设置的滑轨17和滑块54,结构简单,制造成本较低。Specifically, the
具体地,如图6所示,滑块54形成为长条形,滑块54在垂直于长度方向上的截面为T形,座椅本体1上设有长条形的贯通槽,贯通槽在垂直于长度方向上的截面为与滑块54相适配的T形。Specifically, as shown in FIG. 6 , the
具体地,如图6和图7所示,底座3上设有用于限制第二卡块16滑动范围的限位槽37,限位槽37的设置,可限制座椅本体1相对底座3滑动的幅度,避免滑动幅度过大导致卡死的现象。Specifically, as shown in FIGS. 6 and 7 , the
下面结合图1-图9,描述一个具体实施例中儿童安全座椅100的结构。The structure of a
如图1所示,儿童安全座椅100包括头枕2、座椅本体1和底座3。As shown in FIG. 1 , a
如图1-图4所示,儿童安全座椅100还包括高度调整机构4,高度调整机构4包括操作部41、调节部43和固定部42;头枕2与操作部41、固定部42之间固定连接,调节部43可伸缩的设置于固定部42中;座椅本体1背面设置有若干条相互平行的卡槽14。As shown in Figures 1-4, the
操作部41的上端设置有拉手412,下端设置有滑槽411。A
调节部43包括横向延伸的卡杆431、凸柱432、滚轮434和弹簧;凸柱432一端为轴套435、另一端连接滚轮434,弹簧套入凸柱432后伸入凸柱432,并连接滚轮端的凹孔中,卡杆431贯穿轴套435且与卡槽14匹配卡接。The
固定部42设置有贯通的导向孔423,调节部43的凸柱432穿过导向孔423与操作部41下端的滑槽411相匹配。The fixing
头枕2升降原理为:拉住操作部41上端的拉手412上提或下压,滚轮434可顺着操作部41下端滑槽411的上斜面或下斜面移动,从而挤压弹簧,推动凸柱432带动卡杆431脱离卡槽14,当将头枕2上提或下压至合适高度,卡杆431重新与卡槽14卡接。仅通过上提或下推,而不需要额外的操作就能实现头枕2的调节。The lifting principle of the
如图6-图9所示,底座3与座椅本体1之间设置有座椅调节机构5,座椅调节机构5包括:转盘51、拉板52和弹簧。As shown in FIGS. 6-9 , a
转盘51套设于底座3中间,因此不需设置转轴,座椅本体1就可以相对底座3旋转,为滑动摩擦。The
转盘51上设置T型凸柱432、拉板52和弹簧;拉板52下端设置卡栓521;底座3上表面的后侧设有限位槽37。The
底座3表面设置若干第一档位孔36,第一档位孔36设置于卡栓521的运动轨迹上。A plurality of first shift holes 36 are arranged on the surface of the
座椅本体1底部设置弧形的贯通槽、第一卡块15和第二卡块16;弧形贯通槽套接于T型的滑块54上,且可沿T型滑块54滑动,座椅本体1可随转盘51一起转动;第二卡块16与限位槽37相配合,令拉板52在前后移动的时候带动座椅本体1沿着滑块54滑动,且向后滑动时不能超出限位槽37限制的范围。The bottom of the
座椅档位调节原理:当需要调节档位时,向上按压拉板52的拉动端P2,拉板52下端的卡栓521脱离底座3上的第一档位孔36或者第二档位孔38,旋转或前后拉动拉板52到合适位置,令卡栓521卡住对应位置的第一档位孔36或者第二档位孔38,松开手后,在弹簧的弹力作用下,拉板52的位置固定。Seat gear adjustment principle: When the gear position needs to be adjusted, press the pull end P2 of the
在本实施例中,第一档位孔36在卡栓521旋转的圆周轨迹上对称设置四个,在卡栓521前后移动轨迹上设置与其中一个第一档位孔36相对的两个第二档位孔38。In this embodiment, four first gear holes 36 are symmetrically arranged on the circular track of the
在本发明的描述中,需要理解的是,术语“中心”、“横向”、“长度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。In describing the present invention, it should be understood that the terms "center", "transverse", "length", "thickness", "upper", "lower", "front", "rear", "left", " The orientation or positional relationship indicated by "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" is Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood To limit the present invention.
此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中,除非另有说明,“多个”的含义是两个或两个以上。In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.
在本发明的描述中,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”、“固定”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.
在本说明书的描述中,参考术语“实施例”、“示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不一定指的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。尽管已经示出和描述了本发明的实施例,本领域的普通技术人员可以理解:在不脱离本发明的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由权利要求及其等同物限定。In the description of this specification, a description referring to the terms "embodiment", "example" and the like means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention . In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.
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CN102390294A (en) * | 2011-10-17 | 2012-03-28 | 江苏幸运宝贝安全装置制造有限公司 | Full-azimuth, three-dimensional and adjustable children vehicle-mounted restraint system |
CN205387081U (en) * | 2016-03-10 | 2016-07-20 | 宁波贝维尔婴童用品制造有限公司 | Headrest adjustment mechanism and safe seat thereof |
CN205768804U (en) * | 2016-05-21 | 2016-12-07 | 浙江力合汽车用品有限公司 | Child safety seat |
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US7246852B2 (en) * | 2004-03-10 | 2007-07-24 | Cosco Management, Inc. | Headrest actuator for juvenile vehicle seat |
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CN205387081U (en) * | 2016-03-10 | 2016-07-20 | 宁波贝维尔婴童用品制造有限公司 | Headrest adjustment mechanism and safe seat thereof |
CN205768804U (en) * | 2016-05-21 | 2016-12-07 | 浙江力合汽车用品有限公司 | Child safety seat |
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