WO2021088412A1 - 一种座椅头靠调档机构及可调座椅 - Google Patents

一种座椅头靠调档机构及可调座椅 Download PDF

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Publication number
WO2021088412A1
WO2021088412A1 PCT/CN2020/102935 CN2020102935W WO2021088412A1 WO 2021088412 A1 WO2021088412 A1 WO 2021088412A1 CN 2020102935 W CN2020102935 W CN 2020102935W WO 2021088412 A1 WO2021088412 A1 WO 2021088412A1
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WO
WIPO (PCT)
Prior art keywords
headrest
seat
slider mechanism
handle
hook
Prior art date
Application number
PCT/CN2020/102935
Other languages
English (en)
French (fr)
Inventor
曹旸
Original Assignee
江苏安用座椅科技有限公司
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Filing date
Publication date
Application filed by 江苏安用座椅科技有限公司 filed Critical 江苏安用座椅科技有限公司
Priority to RU2020134956U priority Critical patent/RU208647U1/ru
Priority to JP2020600184U priority patent/JP3239984U/ja
Priority to DE212020000229.0U priority patent/DE212020000229U1/de
Publication of WO2021088412A1 publication Critical patent/WO2021088412A1/zh

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Classifications

    • 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
    • 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
    • B60N2/80—Head-rests
    • B60N2/806—Head-rests movable or adjustable
    • B60N2/809—Head-rests movable or adjustable vertically slidable
    • B60N2/812—Head-rests movable or adjustable vertically slidable characterised by their locking devices
    • 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
    • B60N2/80—Head-rests
    • B60N2/806—Head-rests movable or adjustable
    • B60N2/809—Head-rests movable or adjustable vertically slidable
    • B60N2/829—Head-rests movable or adjustable vertically slidable characterised by their adjusting mechanisms, e.g. electric motors

Definitions

  • the utility model relates to a seat headrest gear adjustment mechanism and an adjustable seat.
  • the headrest of the car seat plays a very important role, not only can provide a comfortable riding experience, but also the safest way to lean the head against the center of the headrest in the event of an external impact.
  • the existing headrests of car seats generally have a fixed structure and also have an adjustable structure, but the structure is relatively complicated and it is not convenient to adjust.
  • the utility model provides a seat headrest shifting mechanism and an adjustable seat aiming at the above defects, which is especially suitable for infants.
  • the present invention provides a seat headrest shifting mechanism and an adjustable seat, which have a simple structure and convenient adjustment, which is especially suitable for infants and is safer and more reliable.
  • a seat headrest shift mechanism wherein the headrest body is provided with an inclined slider mechanism, one end of the inclined slider mechanism is fixed on the headrest body and the other end of the inclined slider mechanism is a free end, so
  • the tilt slider mechanism is provided with a bayonet
  • the seat headrest shifting mechanism includes a spring and a headrest handle that can be inserted into the headrest body
  • the headrest handle includes a connected grip and a pull rod.
  • the tail end of the pull rod is provided with a snapping portion
  • the bottom of the snapping portion is provided with a first hook
  • one end of the spring is connected to the first hook and the other end is connected to the second hook on the headrest body.
  • the joint part is engaged with the free end of the inclined slider mechanism, and the locking pin is driven to move along the track of the seat body or locked on the seat body by pushing and pulling of the gripping part.
  • the engaging portion is provided with a guide channel, and the free end of the inclined slider mechanism is clamped in the guide channel.
  • the guide channel includes a connected vertical channel and an inclined channel.
  • the grip portion is a handle or a pull ring.
  • the headrest handle is provided with a limit mechanism that can be engaged with the headrest body.
  • an adjustable seat includes a headrest body and a seat body, the seat body is provided with an adjustment track, and further includes a seat headrest adjustment mechanism, the seat headrest adjustment mechanism includes a spring And a headrest handle that can be inserted into the headrest body, the headrest body is provided with an oblique slider mechanism, one end of the oblique slider mechanism is fixed on the headrest body and the other end of the oblique slider mechanism is a free end ,
  • the inclined slider mechanism is provided with a bayonet, the headrest handle includes a connected holding part and a pull rod, the tail end of the pull rod is provided with an engaging part, and the bottom of the engaging part is provided with a first A hook, one end of the spring is connected to the first hook and the other end is connected to the second hook on the headrest body, the engaging portion is connected to the free end of the inclined slider mechanism and is driven by pushing and pulling of the holding portion
  • the bayonet moves along the track of the seat body or is locked on the seat body.
  • a second hook is provided at the bottom of the headrest body, and one end of the inclined slider mechanism is fixed to the bottom of the headrest body.
  • the inclined slider mechanism is made of plastic material.
  • the engaging portion is provided with a guide channel, and the free end of the inclined slider mechanism is clamped in the guide channel.
  • the guide channel includes a connected vertical channel and an inclined channel
  • the grip part is a handle or a pull ring.
  • the adjusting track of the seat body is provided with a card slot adapted to the card pin.
  • the headrest handle is provided with a limit mechanism that can be engaged with the headrest body.
  • the bayonet is provided with embedded iron.
  • an engaging structure is provided on the seat body, a sliding groove is provided on the headrest body, and the sliding groove is engaged with the engaging structure and the sliding groove is slidable along the engaging structure.
  • the engaging structure is a T hook with a "T” shape or a “mountain” shape in cross section.
  • protrusions are provided on both sides of the headrest body, and corresponding sliding rails are provided on the seat body.
  • the protrusions are engaged with the sliding rails and the protrusions can slide along the sliding rails.
  • protrusions are provided on both sides of the headrest body, and corresponding sliding rails are provided on the seat body.
  • the protrusions are engaged with the sliding rails and the protrusions can slide along the sliding rails.
  • the protrusions are arranged below the sliding groove, and the protrusions on both sides of the headrest body and the engaging structure are in a triangular arrangement positional relationship.
  • the headrest handle When installing, first put the headrest handle into the headrest body, and install the spring in the direction of the back of the headrest body.
  • the upper end of the spring is connected to the handle and the lower end is connected to the body.
  • the spring pulls down to hold the headrest handle, the inclined slider mechanism sinks, and its pin is exposed and snaps into the card slot of the seat body.
  • the headrest moves up and down to lock and cannot move.
  • you need to adjust the position of the headrest pull the handle or the ring upwards, the inclined slider mechanism rises, and the bayonet retracts into the headrest body, disengaging the card slot of the seat body. At this time, the headrest moves up and down to unlock.
  • the headrest body and the seat body also realize the reliable fixation of the headrest body through the engagement of the engagement structure and the sliding groove, and the engagement of the protrusion and the sliding track.
  • the structure is simple and easy to adjust, especially suitable for infants, safer and more reliable.
  • Figure 1 is a partial structural diagram of an adjustable seat of the present invention
  • Figure 2 is a schematic diagram of the split structure of an adjustable seat of the present invention.
  • Figure 3 is a schematic diagram of the structure of the headrest body of the present invention.
  • Figure 4 is a left side view of Figure 3;
  • Figure 5 is a top view of Figure 3;
  • Figure 6 is the first structural diagram of the headrest handle of the present invention.
  • Figure 7 is a left side view of Figure 6;
  • Figure 8 is the second structural diagram of the headrest handle of the present invention.
  • Figure 9 is a schematic diagram of the first step of installation of the adjustable seat of the present invention.
  • Figure 10 is a schematic diagram of the second step of the installation of the adjustable seat of the present invention.
  • Figure 11 is a schematic diagram of the third step of the installation of the adjustable seat of the present invention.
  • Figure 12 is a schematic diagram of the seat of the present invention adjusted to the bottommost position
  • Figure 13 is the third structural diagram of the headrest handle of the present invention.
  • Figure 14 is a right side view of Figure 13;
  • Figure 15 is a schematic diagram of the headrest body and the seat body after being integrated
  • Figure 16 is a partial schematic view of the connecting part of the headrest body and the seat body
  • FIG. 17 is a schematic diagram of the structure of the T hook
  • Figure 18 is a partial schematic view of a sliding track
  • Figure 19 is a second partial schematic view of the sliding track
  • a seat headrest shift mechanism wherein the headrest body 1 is provided with an inclined slider mechanism 5, and one end of the inclined slider mechanism 5 is fixed on the headrest body 1 and The other end of the inclined slider mechanism 5 is a free end, and a bayonet 6 is provided on the inclined slider mechanism 5.
  • the seat headrest shifting mechanism includes a spring 3 and a headrest handle 2 that can be embedded in the headrest body 1.
  • the headrest handle 2 includes a connected grip and a pull rod 8.
  • the grip can be a handle or a pull handle.
  • the grip part in FIG. 2 is a handle
  • the grip part in FIG. 6 is a pull ring 7.
  • the headrest handle 2 is also provided with a limit mechanism 14 that can be engaged with the headrest body 1.
  • the headrest handle 2 is provided with a stopper mechanism 14 that can be engaged with the headrest body 1.
  • the limiting mechanism 14 performs limiting to prevent the headrest handle 2 from being forced upward from the headrest body 1.
  • the tail end of the pull rod 8 is provided with an engaging portion 9.
  • the engaging portion 9 is provided with a guide channel 10, and the free end of the inclined slider mechanism 5 is clamped in the guide channel 10.
  • the guide channel 10 includes a connected vertical channel and an inclined channel. In use, the vertical channel is located above and the inclined channel is located below.
  • the bottom of the engaging portion 9 is provided with a first hook 11, and a second hook 13 is provided on the headrest body 1.
  • One end of the spring 3 is connected to the first hook 11 and the other end is connected to the first hook on the headrest body 1.
  • the two hooks 13 are connected, the engaging portion 9 is engaged with the free end of the inclined slider mechanism 5, and the locking pin 6 is driven to move along the track of the seat body 4 or locked on the seat body 4 by pushing and pulling of the gripping portion on.
  • the headrest handle 2 is pulled down by the spring 3.
  • the bayonet 6 is in the locked state, and the headrest body 1 cannot be moved.
  • the gripping part applies upward force to drive the inclined slider mechanism 5 to move, so that the bayonet 6 returns to the vertical direction, releases the restriction of the bayonet slot, and realizes vertical movement.
  • An adjustable seat as shown in Figure 2, includes a headrest body 1 and a seat body 4.
  • the seat body 4 is provided with an adjusting track.
  • the adjusting track is arranged symmetrically, and the seat body 4
  • a card slot 12 adapted to the card pin 6 is provided on the adjusting track.
  • the card slot 12 and the card pin 6 are symmetrically arranged on the left and right, and the card pin 6 can be inserted into or removed from the card slot 12 to achieve locking or unlocking operations.
  • the adjustable seat also includes a seat headrest shifting mechanism.
  • the seat headrest shifting mechanism includes a spring 3 and a headrest handle 2 that can be embedded in the headrest body 1.
  • the headrest body 1 is provided with a tilt A slider mechanism 5, one end of the inclined slider mechanism 5 is fixed on the headrest body 1 and the other end of the inclined slider mechanism 5 is a free end, the inclined slider mechanism 5 is provided with a bayonet 6, the
  • the headrest handle 2 includes a connected holding portion and a pull rod 8.
  • the end of the pull rod 8 is provided with an engaging portion 9, and the bottom of the engaging portion 9 is provided with a first hook 11, and one end of the spring 3 is connected to The first hook 11 is connected and the other end is connected with the second hook 13 on the headrest body 1.
  • the engaging portion 9 is engaged with the free end of the inclined slider mechanism 5, and the locking pin 6 is driven by the pushing and pulling of the holding portion. It moves along the track of the seat body 4 or is locked on the seat body 4.
  • a second hook 13 is provided at the bottom of the headrest body 1, and one end of the inclined slider mechanism 5 is fixed to the bottom of the headrest body 1.
  • the inclined slider mechanism 5 is made of plastic material. The free end can rotate around the bottom.
  • the engaging portion 9 is provided with a guide channel 10, the free end of the inclined slider mechanism 5 is clamped in the guide channel 10, and the guide channel 10 includes a connected vertical channel and an inclined channel.
  • the grip part is a handle or a ring 7.
  • the headrest handle 2 is also provided with a limit mechanism 14 that can be engaged with the headrest body 1.
  • the headrest handle 2 is provided with a stopper mechanism 14 that can be engaged with the headrest body 1.
  • the limiting mechanism 14 performs limiting to prevent the headrest handle 2 from being forced upward from the headrest body 1.
  • the bayonet 6 is provided with embedded iron (not shown in the figure), for example, the bayonet 6 can be set as a plastic part to have elasticity, and the embedded iron is built into the elastic bayonet 6 to the root to effectively increase the card The strength of the pin 6, when the pin 6 is stressed or collided, even if the plastic part of the pin 6 collapses, its embedded iron can hook the seat tightly to ensure safety.
  • embedded iron not shown in the figure
  • the seat body 4 is provided with an engaging structure
  • the headrest body 1 is provided with a sliding groove 18, and the sliding groove 18 is engaged with the engaging structure and is slidably connected.
  • the slot 18 can slide along the engaging structure.
  • the engaging structure is a T hook 15 with a "T” or “mountain” shape in cross section.
  • FIG. 17 shows a T hook 15 with a "mountain” shape in cross section.
  • protrusions 17 are provided on both sides of the headrest body 1, and corresponding sliding rails 16 are provided on the seat body 4.
  • the protrusions 17 are engaged with the sliding rails 16 and the protrusions 17 can be moved along Sliding along the sliding rail 16, as shown in Figures 18 and 19, the sliding rail 16 can be set as a "U"-shaped groove in cross section, and the protrusions on both sides are locked in the "U"-shaped grooves on both sides.
  • the protrusion is squeezed in the "U"-shaped groove, and a certain pressure is generated between the two to realize the connection.
  • the headrest body and the seat body can be fixed only by providing the engagement structure and the sliding groove, or the headrest body and the seat body can only be fixed by providing the protrusion and the sliding track.
  • the fixation is realized, or, as shown in FIG. 16, the headrest body and the seat body are simultaneously engaged with the sliding groove and the protrusion and the sliding track through the engagement structure and the sliding track, so as to realize the reliable fixation of the headrest body.
  • the sliding groove 18 can be arranged at the centerline position of the headrest body 1, and the protrusions on both sides are arranged symmetrically on both sides of the bottom of the headrest body, and the protrusions 17 are arranged below the sliding groove 18, and the headrest body
  • the protrusions 17 on both sides of 1 and the engaging structure are arranged in a triangular arrangement position, which makes the connection between the headrest body and the seat body more stable and reliable.
  • FIG. 12 is a schematic diagram of the headrest adjusted to the bottom position. At this time, the headrest body is completely placed in the seat body, and the headrest body and the seat body are also engaged, raised and slid through the engagement structure and the sliding groove
  • the clasp of the track realizes the reliable fixation of the headrest on the body.
  • the structure is simple and easy to adjust, especially suitable for infants, safer and more reliable.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

一种座椅头靠调档机构，其中，头靠本体（1）上设置有斜滑块机构（5），斜滑块机构（5）的一端固定在头靠本体（1）上且斜滑块机构（5）的另一端为自由端，斜滑块机构（5）上设置有卡销（6），座椅头靠调档机构包括弹簧（3）和可嵌入头靠本体（1）内的头靠拉手（2），头靠拉手（2）包括相连的握持部和拉杆（8），拉杆（8）的尾端设置有卡合部（9），卡合部（9）的底部设置有第一挂钩（11），弹簧（3）的一端与第一挂钩（11）相连且另一端与头靠本体（1）上的第二挂钩（13）相连，卡合部（9）与斜滑块机构（5）的自由端卡合连接且通过握持部的推拉带动卡销（6）沿着座椅本体（4）的轨道移动或锁定在座椅本体上。还涉及一种可调座椅。此座椅头靠调档机构结构简单且方便调节，尤其适用于婴儿使用，更安全可靠。

Description

一种座椅头靠调档机构及可调座椅 技术领域
本实用新型涉及一种座椅头靠调档机构及可调座椅。
背景技术
汽车座椅头靠有着非常重要的作用，不仅可以提供舒适的乘车体验，而且，在遭遇外力冲击时,头部靠在头靠中央也是最为安全的。现有设计的汽车座椅头靠，一般多为固定结构，也有可调节的结构，但是结构比较复杂，不方便调节。本实用新型针对上述缺陷提供一种座椅头靠调档机构及可调座椅，尤其适用于婴儿使用。
实用新型内容
针对上述问题，本实用新型提供一种座椅头靠调档机构及可调座椅，结构简单且方便调节，尤其适用于婴儿使用，更安全可靠。
为实现上述技术目的，达到上述技术效果，本实用新型通过以下技术方案实现：
一种座椅头靠调档机构，其中，头靠本体上设置有斜滑块机构，所述斜滑块机构的一端固定在头靠本体上且斜滑块机构的另一端为自由端，所述斜滑块机构上设置有卡销，所述座椅头靠调档机构包括弹簧和可嵌入头靠本体内的头靠拉手，所述头靠拉手包括相连的握持部和拉杆，所述拉杆的尾端设置有卡合部，所述卡合部的底部设置有第一挂钩，所述弹簧的一端与第一挂钩相连且另一端与头靠本体上的第二挂钩相连，所述卡合部与斜滑块机构的自由端卡合连接且通过握持部的推拉带动卡销沿着座椅本体的轨道移动或锁定在座椅本体上。
优选，所述卡合部设置有导向通道，所述斜滑块机构的自由端卡接在导向通道内。
优选，所述导向通道包括相连通的垂直通道和倾斜通道。
优选，所述握持部为拉手或拉环。
优选，所述头靠拉手设置有可与头靠本体卡合的限位机构。
对应的，一种可调座椅，包括头靠本体和座椅本体，所述座椅本体设置有调节轨道，还包括座椅头靠调档机构，所述座椅头靠调档机构包括弹簧和可嵌入头靠本体内的头靠拉手，所述头靠本体上设置有斜滑块机构，所述斜滑块机构的一端固定在头靠本体上且斜滑块机构的另一端为自由端，所述斜滑块机构上设置有卡销，所述头靠拉手包括相连的握持部和拉杆，所述拉杆的尾端设置有卡合部，所述卡合部的底部设置有第一挂钩，所述弹簧的一端与第一挂钩相连且另一端与头靠本体上的第二挂钩相连，所述卡合部与斜滑块机构的自由端卡合连接且通过握持部的推拉带动卡销沿着座椅本体的轨道移动或锁定在座椅本体上。
优选，所述头靠本体底部设置有第二挂钩，所述斜滑块机构的一端固定在头靠本体底部。
优选，所述斜滑块机构为塑料材质。
优选，所述卡合部设置有导向通道，所述斜滑块机构的自由端卡接在导向通道内。
优选，所述导向通道包括相连通的垂直通道和倾斜通道，所述握持部为拉手或拉环。
优选，所述座椅本体的调节轨道上设置有与卡销相适配的卡槽。
优选，所述头靠拉手设置有可与头靠本体卡合的限位机构。
优选，所述卡销设置有预埋铁。
优选，所述座椅本体上设置有卡合结构，所述头靠本体上设置有滑槽，所述滑槽与卡合结构卡合连接且滑槽可沿着卡合结构滑动。
优选，所述卡合结构为横截面呈“T”形或“山”形的T钩。
优选，所述头靠本体的两侧设置有凸起，所述座椅本体上设置有对应的滑动轨道，所述凸起卡合在滑动轨道上且凸起可沿着滑动轨道滑动。
优选，所述头靠本体的两侧设置有凸起，所述座椅本体上设置有对应的滑动轨道，所述凸起卡合在滑动轨道上且凸起可沿着滑动轨道滑动。
优选，所述凸起设置在滑槽的下方且头靠本体两侧的凸起与卡合结构呈三角排列位置关系。
本实用新型的有益效果是：
安装时，先将头靠拉手置入头靠本体上，在头靠本体背部方向安装弹簧，其中，弹簧上端接头靠拉手，下端接头靠本体，将组装后的头靠本体安装在座椅本体上。默认状态下，弹簧向下拉住头靠拉手，斜滑块机构下沉，其卡销露出并卡入座椅本体的卡槽内，此时头靠上下运动锁定，不能移动。当需要调节头靠位置时，拉手或拉环向上拉起，斜滑块机构上升，其卡销缩入头靠本体内，脱开座椅本体的卡槽，此时头靠上下运动解锁，可以上下移动，调节到合适的位置后，松开拉手或拉环，卡销锁定在卡槽内，头靠上下运动锁定。头靠本体和座椅本体还通过卡合结构与滑槽的卡合、凸起与滑动轨道的卡合，实现头靠本体的可靠固定。结构简单且方便调节，尤其适用于婴儿使用，更安全可靠。
附图说明
图1是本实用新型一种可调座椅的部分结构示意图；
图2是本实用新型一种可调座椅的拆分结构示意图；
图3是本实用新型头靠本体的结构示意图；
图4是图3的左视图；
图5是图3的俯视图；
图6是本实用新型头靠拉手的结构示意图一；
图7是图6的左视图；
图8是本实用新型头靠拉手的结构示意图二；
图9是本实用新型可调座椅的安装第一步示意图；
图10是本实用新型可调座椅的安装第二步示意图；
图11是本实用新型可调座椅的安装第三步示意图；
图12是本实用新型座椅调节到最底部位置处的示意图；
图13是本实用新型头靠拉手的结构示意图三；
图14是图13的右视图；
图15是头靠本体和座椅本体连为一体后的示意图；
图16是头靠本体和座椅本体连接部分的部分示意图；
图17是T钩的结构示意图；
图18是滑动轨道的部分示意图一；
图19是滑动轨道的部分示意图二；
附图的标记含义如下：
1：头靠本体；2：头靠拉手；3：弹簧；4：座椅本体；5：斜滑块机构；6：卡销；7：拉环；8：拉杆；9：卡合部；10：导向通道；11：第一挂钩；12：卡槽；13：第二挂钩；14：限位机构；15：T钩；16：滑动轨道；17：凸起；18：滑槽。
具体实施方式
下面结合附图和具体的实施例对本实用新型技术方案作进一步的详细描述，以使本领域的技术人员可以更好的理解本实用新型并能予以实施，但所举实施例不作为对本实用新型的限定。
如图1-12所示，一种座椅头靠调档机构，其中，头靠本体1上设置有斜滑块机构5，所述斜滑块机构5的一端固定在头靠本体1上且斜滑块机构5的另一端为自由端，所述斜滑块机构5上设置有卡销6。所述座椅头靠调档机构包括弹簧3和可嵌入头靠本体1内的头靠拉手2，所述头靠拉手2包括相连的握持部和拉杆8，握持部可以为拉手或拉环7，图2中握持部为拉手，图6中握持部为拉环7。
优选，所述头靠拉手2还设置有可与头靠本体1卡合的限位机构14，如图13和图14所示，头靠拉手2设置有可卡合在头靠本体1上的限位机构14进行限位，防止头靠拉手2向上受力脱离头靠本体1。
所述拉杆8的尾端设置有卡合部9，优选，如图7所示，卡合部9设置有导向通道10，所述斜滑块机构5的自由端卡接在导向通道10内，比如，导向通道10包括相连通的垂直通道和倾斜通道，使用状态下，垂直通道位于上方，而倾斜通道位于下方。
所述卡合部9的底部设置有第一挂钩11，头靠本体1上设置有第二挂钩13，所述弹簧3的一端与第一挂钩11相连且另一端与头靠本体1上的第二挂钩13相连，所述卡合部9与斜滑块机构5的自由端卡合连接且通过握持部的推拉带动卡销6沿着座椅本体4的轨道移动或锁定在座椅本体4上。默认状态下，通过弹簧3向下拉住头靠拉手2，此时，卡销6是锁定状态，头靠本体1无法实现移动。当需要调节时，通过握持部向上施力，带动斜滑块机构5移动，使得卡 销6回归垂直方向，脱开卡槽的限定，从而实现上下移动。
一种可调座椅，如图2所示，包括头靠本体1和座椅本体4，所述座椅本体4设置有调节轨道，一般的，调节轨道呈左右对称设置，座椅本体4的调节轨道上设置有与卡销6相适配的卡槽12，卡槽12和卡销6均左右对称设置，卡销6可插入或脱开卡槽12，实现锁定或解锁操作。
可调座椅还包括座椅头靠调档机构，所述座椅头靠调档机构包括弹簧3和可嵌入头靠本体1内的头靠拉手2，所述头靠本体1上设置有斜滑块机构5，所述斜滑块机构5的一端固定在头靠本体1上且斜滑块机构5的另一端为自由端，所述斜滑块机构5上设置有卡销6，所述头靠拉手2包括相连的握持部和拉杆8，所述拉杆8的尾端设置有卡合部9，所述卡合部9的底部设置有第一挂钩11，所述弹簧3的一端与第一挂钩11相连且另一端与头靠本体1上的第二挂钩13相连，所述卡合部9与斜滑块机构5的自由端卡合连接且通过握持部的推拉带动卡销6沿着座椅本体4的轨道移动或锁定在座椅本体4上。
优选，如图3所示，头靠本体1底部设置有第二挂钩13，所述斜滑块机构5的一端固定在头靠本体1底部，一般的，斜滑块机构5为塑料材质，其自由端可以绕着底部做旋转运动。
相应的，所述卡合部9设置有导向通道10，所述斜滑块机构5的自由端卡接在导向通道10内，所述导向通道10包括相连通的垂直通道和倾斜通道，所述握持部为拉手或拉环7。
优选，所述头靠拉手2还设置有可与头靠本体1卡合的限位机构14，如图13和图14所示，头靠拉手2设置有可卡合在头靠本体1上的限位机构14进行限位，防止头靠拉手2向上受力脱离头靠本体1。
优选，卡销6设置有预埋铁(图中未示出)，比如，可以将卡销6设置成塑料件以具备弹性，在弹性的卡销6内置有预埋铁至根部可以有效增加卡销6的强度，当卡销6受力或碰撞后，即使卡销6的塑料件塌陷，其预埋铁可以死死勾住座椅，保证安全。
如图15-19所示，优选，所述座椅本体4上设置有卡合结构，所述头靠本体1上设置有滑槽18，所述滑槽18与卡合结构卡合连接且滑槽18可沿着卡合结构滑动。优选卡合结构为横截面呈“T”形或“山”形的T钩15，图17所示为横截面呈“山”形的T钩15。
优选，所述头靠本体1的两侧设置有凸起17，所述座椅本体4上设置有对应的滑动轨道16，所述凸起17卡合在滑动轨道16上且凸起17可沿着滑动轨道16滑动，如图18和19所示，滑动轨道16可以设置成横截面呈“U”形的凹槽，两侧的凸起卡合在两侧的“U”形的凹槽内，凸起被挤压在“U”形的凹槽内，二者之间产生一定的压力以实现连接。
其中，头靠本体和座椅本体之间可以仅通过设置卡合结构与滑槽的卡合实现固定，或者，头靠本体和座椅本体之间可以仅通过设置凸起与滑动轨道的卡合实现固定，或者，如图16所示，头靠本体和座椅本体同时通过卡合结构与滑槽的卡合、凸起与滑动轨道的卡合，共同实现头靠本体的可靠固定。优选，其中滑槽18可以设置在头靠本体1的中心线位置处，而两侧的凸起对称设置在头靠本体底部的两侧，凸起17设置在滑槽18的下方，头靠本体1两侧的凸起17与卡合结构呈三角排列位置关系，使得头靠本体与座椅本体的连接更稳固可靠。
安装时，如图9所示，先将头靠拉手置入头靠本体上，接着，如图10所示，在头靠本体背部方向安装弹簧，其中，弹簧上端接头靠拉手，下端接头靠本体， 最后，如图11所示，将组装后的头靠本体安装在座椅本体上。默认状态下，弹簧向下拉住头靠拉手，斜滑块机构下沉，其卡销露出并卡入座椅本体的卡槽内，此时头靠上下运动锁定，不能移动。当需要调节头靠位置时，拉手或拉环向上拉起，斜滑块机构上升，其卡销缩入头靠本体内，脱开座椅本体的卡槽，此时头靠上下运动解锁，可以上下移动，调节到合适的位置后，松开拉手或拉环，卡销锁定在卡槽内，头靠上下运动锁定。图12为头靠调节到最底部的位置示意图，此时，头靠本体完全置于座椅本体内，头靠本体和座椅本体还通过卡合结构与滑槽的卡合、凸起与滑动轨道的卡合，实现头靠本体的可靠固定。结构简单且方便调节，尤其适用于婴儿使用，更安全可靠。
以上仅为本实用新型的优选实施例，并非因此限制本实用新型的专利范围，凡是利用本实用新型说明书及附图内容所作的等效结构或者等效流程变换，或者直接或间接运用在其他相关的技术领域，均同理包括在本实用新型的专利保护范围内。

Claims (18)

  1. 一种座椅头靠调档机构，其中，头靠本体(1)上设置有斜滑块机构(5)，所述斜滑块机构(5)的一端固定在头靠本体(1)上且斜滑块机构(5)的另一端为自由端，所述斜滑块机构(5)上设置有卡销(6)，其特征在于，所述座椅头靠调档机构包括弹簧(3)和可嵌入头靠本体(1)内的头靠拉手(2)，所述头靠拉手(2)包括相连的握持部和拉杆(8)，所述拉杆(8)的尾端设置有卡合部(9)，所述卡合部(9)的底部设置有第一挂钩(11)，所述弹簧(3)的一端与第一挂钩(11)相连且另一端与头靠本体(1)上的第二挂钩(13)相连，所述卡合部(9)与斜滑块机构(5)的自由端卡合连接且通过握持部的推拉带动卡销(6)沿着座椅本体(4)的轨道移动或锁定在座椅本体(4)上。
  2. 根据权利要求1所述的一种座椅头靠调档机构，其特征在于，所述卡合部(9)设置有导向通道(10)，所述斜滑块机构(5)的自由端卡接在导向通道(10)内。
  3. 根据权利要求2所述的一种座椅头靠调档机构，其特征在于，所述导向通道(10)包括相连通的垂直通道和倾斜通道。
  4. 根据权利要求1所述的一种座椅头靠调档机构，其特征在于，所述握持部为拉手或拉环(7)。
  5. 根据权利要求1所述的一种座椅头靠调档机构，其特征在于，所述头靠拉手(2)设置有可与头靠本体(1)卡合的限位机构(14)。
  6. 一种可调座椅，包括头靠本体(1)和座椅本体(4)，所述座椅本体(4)设置有调节轨道，其特征在于，还包括座椅头靠调档机构，所述座椅头靠调档 机构包括弹簧(3)和可嵌入头靠本体(1)内的头靠拉手(2)，所述头靠本体(1)上设置有斜滑块机构(5)，所述斜滑块机构(5)的一端固定在头靠本体(1)上且斜滑块机构(5)的另一端为自由端，所述斜滑块机构(5)上设置有卡销(6)，所述头靠拉手(2)包括相连的握持部和拉杆(8)，所述拉杆(8)的尾端设置有卡合部(9)，所述卡合部(9)的底部设置有第一挂钩(11)，所述弹簧(3)的一端与第一挂钩(11)相连且另一端与头靠本体(1)上的第二挂钩(13)相连，所述卡合部(9)与斜滑块机构(5)的自由端卡合连接且通过握持部的推拉带动卡销(6)沿着座椅本体(4)的轨道移动或锁定在座椅本体(4)上。
  7. 根据权利要求6所述的一种可调座椅，其特征在于，所述头靠本体(1)底部设置有第二挂钩(13)，所述斜滑块机构(5)的一端固定在头靠本体(1)底部。
  8. 根据权利要求7所述的一种可调座椅，其特征在于，所述斜滑块机构(5)为塑料材质。
  9. 根据权利要求7所述的一种可调座椅，其特征在于，所述卡合部(9)设置有导向通道(10)，所述斜滑块机构(5)的自由端卡接在导向通道(10)内。
  10. 根据权利要求9所述的一种可调座椅，其特征在于，所述导向通道(10)包括相连通的垂直通道和倾斜通道，所述握持部为拉手或拉环(7)。
  11. 根据权利要求6所述的一种可调座椅，其特征在于，所述座椅本体(4)的调节轨道上设置有与卡销(6)相适配的卡槽(12)。
  12. 根据权利要求6所述的一种可调座椅，其特征在于，所述头靠拉手(2)设置有可与头靠本体(1)卡合的限位机构(14)。
  13. 根据权利要求6所述的一种可调座椅，其特征在于，所述卡销(6)设置有预埋铁。
  14. 根据权利要求6所述的一种可调座椅，其特征在于，所述座椅本体(4)上设置有卡合结构，所述头靠本体(1)上设置有滑槽(18)，所述滑槽(18)与卡合结构卡合连接且滑槽(18)可沿着卡合结构滑动。
  15. 根据权利要求14所述的一种可调座椅，其特征在于，所述卡合结构为横截面呈“T”形或“山”形的T钩(15)。
  16. 根据权利要求6所述的一种可调座椅，其特征在于，所述头靠本体(1)的两侧设置有凸起(17)，所述座椅本体(4)上设置有对应的滑动轨道(16)，所述凸起(17)卡合在滑动轨道(16)上且凸起(17)可沿着滑动轨道(16)滑动。
  17. 根据权利要求14所述的一种可调座椅，其特征在于，所述头靠本体(1)的两侧设置有凸起(17)，所述座椅本体(4)上设置有对应的滑动轨道(16)，所述凸起(17)卡合在滑动轨道(16)上且凸起(17)可沿着滑动轨道(16)滑动。
  18. 根据权利要求17所述的一种可调座椅，其特征在于，所述凸起(17)设置在滑槽(18)的下方且头靠本体(1)两侧的凸起(17)与卡合结构呈三角排列位置关系。
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