WO2018018917A1 - 一种座椅及头枕 - Google Patents

一种座椅及头枕 Download PDF

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Publication number
WO2018018917A1
WO2018018917A1 PCT/CN2017/078994 CN2017078994W WO2018018917A1 WO 2018018917 A1 WO2018018917 A1 WO 2018018917A1 CN 2017078994 W CN2017078994 W CN 2017078994W WO 2018018917 A1 WO2018018917 A1 WO 2018018917A1
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Prior art keywords
headrest
recess
seat back
worm
seat
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PCT/CN2017/078994
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English (en)
French (fr)
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赵小辉
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赵小辉
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Publication of WO2018018917A1 publication Critical patent/WO2018018917A1/zh

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  • the invention relates to a seat and a headrest, and is particularly suitable for the fields of vehicles, office and home.
  • the position corresponding to the head of the person on the seat is generally a plane integrated with the seat back, or a headrest which is protruded from the pillow of the home bed, and is generally accepted from the habit and appearance.
  • the present invention is directed to a seat and a headrest that prevents head displacement, avoids cervical spine damage, and accommodates users of different head types.
  • a headrest includes a headrest body, and the headrest body is provided on a side contacting the back of the human body a recess that cooperates with a curved surface of the posterior brain of the human body, and is characterized in that the maximum depth of the recess is 3 cm to 12 cm; the headrest body is provided with an adjusting device for adjusting the size of the recess; preferably, the size of the adjusting recess is Refers to adjusting the depth of the depression and/or the size of the depression.
  • the headrest of the present invention can adjust the structure of the headrest according to the head shape of the user, thereby maximally ensuring the comfort of the user.
  • the present invention can be further optimized, and the following is a technical solution formed after optimization:
  • the headrest body includes an inner skeleton and a flexible pad surrounding the inner frame; the adjustment device is mounted within the inner frame.
  • the inner frame comprises a casing
  • the adjusting device is a worm gear mechanism
  • the worm gear mechanism comprises a worm mounted in the casing, and the worm gear meshed with the worm, the worm wheel is mounted on the worm wheel
  • An axially movable gear shaft the gear shaft is equipped with a gear near one end of the recess;
  • the flexible gasket is fixedly connected with a pillow belt, and both ends of the pillow belt are provided with a rack, the rack Engagement with the gear causes the pillow belt to be tightened or relaxed; when the pillow belt is tightened, the recess of the flexible cushion becomes deep, and when the cushion belt is relaxed, the recess of the flexible cushion becomes shallow; preferably, one end of the worm is fitted Knob or motor.
  • the worm wheel drives the gear shaft to rotate, and the gear on the gear shaft meshes with the rack of the pillow belt to tighten or relax the pillow belt.
  • the pillow belt presses the gear backward.
  • the gear shaft causes the gear to move backward in the axial direction, the recess becomes deeper, and the contour size of the recess becomes larger; when the cushion belt is relaxed, the gear belt and the gear shaft are pulled forward by the pillow belt, so that the gear shaft moves forward in the axial direction, and the recess becomes shallow.
  • the outline size of the recess becomes small.
  • the inner frame includes a casing
  • the adjusting device is a worm gear mechanism
  • the worm gear mechanism includes a worm mounted in the casing, and meshes with the worm a worm wheel mounted on a screw shaft, the hole thread of the worm wheel meshing with the screw shaft to drive the screw shaft to move axially;
  • the screw shaft is fitted with a flexible gasket near one end of the recess a fixedly connected connecting member that moves forward or backward as the screw shaft moves; when the connecting member moves forward, the connecting member pushes the recess of the flexible pad forward to make the recess shallower, when the connecting member is oriented When moving rearward, the connecting member pulls the recess of the flexible pad backwards to make the recess deeper; preferably, one end of the worm is equipped with a knob or a motor.
  • the worm wheel drives the gear shaft to rotate while moving back and forth.
  • the connecting member on the gear shaft pushes the flexible pad forward, the recess becomes shallow, and the contour of the recess becomes larger; the gear shaft
  • the connecting member on the gear shaft pulls the flexible pad backward, the recess becomes deeper, and the contour size of the recess becomes smaller.
  • the flexible pad is a sponge or a memory foam.
  • the concave portion of the present invention adopts the memory cotton, it is kept consistent with the level of the seat when it is not pressed by the human head.
  • the recess is a circular or upper open U-shaped or long-axis elliptical or horizontally elliptical; preferably the diameter of the recess or the major or minor axis is 15 cm - 30 cm .
  • the diameter of the depression or the major or minor axis is 15 cm to 30 cm, which is suitable for the head shape of most people within the normal width of the seat.
  • the recess is close to the lower end of the headrest, that is, the distance from the upper edge of the recess to the upper end of the headrest is greater than the distance from the lower edge of the recess to the lower end of the headrest.
  • the headrest is double-sided, one side is provided with a protrusion matching the back surface of the human neck, and the other side is provided with a recess matching the curved surface of the human brain; and the headrest can be
  • the support frame rotates on both sides of the shaft.
  • the headrest is provided with a headrest cover which is hingedly connected with the headrest; when the headrest cover covers the headrest, the contact surface of the headrest cover with the human body Flat
  • the face is provided with a protrusion that matches the curved surface of the neck of the human body.
  • it can be opened to the side or opened upward; the contact surface of the headrest cover with the human body is flat or has a protrusion matching the curved surface of the human neck.
  • the lower part of the headrest is provided with a bag for being fitted on the seat back and fixed on the seat back; preferably, the bag is elastic Made of cloth; preferably, the bottom of the bag is provided with a neck.
  • the present invention also provides a seat including a seat back, the top of the seat back is provided with the headrest; preferably, the headrest is disposed between the headrest and the seat back Angle adjustment mechanism and/or height adjustment mechanism.
  • the headrest is mounted on the seat back by a support frame; preferably, the support frame has the following two structural forms:
  • the support frame comprises two parallel shafts, and the top of the seat back is provided with a discharge hole or a sliding slot for mounting a parallel shaft; the sliding groove is provided with a lock nut.
  • the support frame is a support rod, and a top of the seat back is provided with a hole or a sliding slot for mounting a support rod; the sliding slot is provided with a lock nut; and the top end of the headrest and the support rod is The ball is hinged.
  • the headrest can be horizontally adjusted relative to the seat back, preferably the maximum displacement of the headrest relative to the seat back level is 15 cm-20 cm.
  • the headrest of the invention is hinged with the seat back, the internal skeleton structure is hinged, and the outer package is filled with a filling material as a whole.
  • the maximum displacement of the headrest relative to the seat back of the present invention is 15 cm-20 cm, and the distance between the user and the headrest is adjusted to a suitable state.
  • the invention can also improve the connection design of the support frame and the headrest, and the spacing between the headrest and the seat back can be adjusted to be suitable for use by people of different heights.
  • the headrest is detachably fixed to the top of the seat back; more preferably, the headrest is connected to the seat back by a plug-in structure.
  • the insertion and removal structure may be: a mounting rod installed at a lower end of the headrest, and a mounting hole that cooperates with the mounting rod is provided in the seat back.
  • the invention has the beneficial effects that the invention achieves the object of the invention by adopting the above technical solution, and the depression cooperates with the curved surface of the human brain to prevent the head pillow from coming out of the brain;
  • the angle or displacement between the pillow and the seat back is adjustable, the composite ergonomics, better support and protection of the neck, suitable for a variety of vehicles and home, office furniture.
  • Embodiment 1 is a schematic structural view of Embodiment 1 of the present invention.
  • Figure 2 is a view of the A-A of Figure 1;
  • FIG. 3 is a schematic structural view of Embodiment 2 of the present invention.
  • Figure 4 is a B-B view of Figure 2;
  • Figure 5 is a schematic structural view of Embodiment 4 of the present invention.
  • Figure 6 is a C-C view of Figure 5;
  • Figure 7 is a schematic structural view of Embodiment 5 of the present invention.
  • Figure 8 is a schematic structural view of Embodiment 6 of the present invention.
  • Figure 9 is a D-D view of Figure 8.
  • Figure 10 is a schematic view of a headrest of a U-shaped structure of the present invention.
  • Figure 11 is a longitudinal sectional view of the adjusting device of the present invention.
  • Figure 12 is a cross-sectional view taken along line E-E of Figure 11;
  • Fig. 13 is a view taken along the line F in Fig. 11;
  • a headrest mounted on a seat comprising a headrest body, the head pillow body and a side corresponding to the rear of the human brain are provided with a recess 2, and the recess 2 is matched with a curved surface of a human brain; the headrest 1
  • the angle between the seat back 3 and the seat back 3 is adjustable;
  • the recess 2 is an ellipse having a circular or long axis or a horizontal ellipse (in this embodiment, an ellipse having a long axis), and the recess
  • the maximum depth of 2 is 3 cm - 12 cm (12 cm in this embodiment).
  • the headrest body is provided with a recess depth adjusting device for adjusting the size of the recessed portion of the recessed area.
  • the working principle of the recessed depth adjusting device is to realize the depth and shallowness of the recessed area according to the difference of the shape of the individual head.
  • Adjustment that is, turning the adjustment knob 23, can also be driven by a micro motor, which drives the worm shaft 15 to rotate, thereby driving the worm wheel 12 to rotate in a vertical direction, and the worm wheel 12 drives the gear shaft 14 to rotate, one end of the gear shaft is a gear, and is mounted on The inner ring of the pillow belt 18 in the gear sleeve 17 is meshed by the gear rack.
  • the pillow belt is made of soft material, and the two ends are provided with a rack 19, and the pillow belt is tightened when the gear shaft rotates clockwise, and the recessed area
  • the depth becomes deeper, and the contour size of the recess becomes larger; when the gear shaft rotates counterclockwise, the pillow belt relaxes, the recessed area becomes shallow, and the contour size of the recess becomes small.
  • the gear shaft slides along the sliding key of the worm wheel through the keyway, wherein the gear shaft 14 and the bearing 13 are in a clearance fit, and the bearing 13 and the worm wheel 12 are interference fit, and the recessed area can realize the range. It is a depth adjustment between 30mm and 120mm.
  • the headrest of the present invention can be produced or sold separately.
  • a seat includes a seat back 3, and the upper end of the seat back 3 is provided with the above-described headrest 1 attached to the seat.
  • the headrest 1 of the present invention is hinged to the seat back 3, the internal skeleton structure is hinged, and the outer portion is covered with a filling material as a whole; the recess 2 is close to the lower end of the headrest 1, that is, the upper edge of the recess 2 is from the upper end of the headrest 1 The distance is greater than the distance from the lower edge of the recess 2 to the lower end of the headrest 1.
  • a seat according to the present invention is characterized in that the diameter 2 or the major axis or the minor axis of the recess 2 is 15 cm - 30 cm (the long axis of the recess 2 is 30 cm in this embodiment), and is within the normal width of the seat. Suitable for most people's head types.
  • a seat includes a seat back 3, and the upper end of the seat back 3 is provided with a headrest 1, and the headrest 1 is provided with a recess 2 on a side corresponding to the rear of the human brain.
  • the recess 2 cooperates with a curved surface of the human brain; the angle between the headrest 1 and the seat back 3 can be adjusted.
  • the recess 2 is an elliptical shape having a circular or long axis or a horizontal ellipse (the ellipse having a short axis in the present embodiment), and the maximum depth of the recess 2 is 3 cm to 12 cm (this The example is 3 cm).
  • the short axis of the recess 2 in this embodiment is 17 cm.
  • the headrest 1 of the present invention is hinged to the seat back 3, the internal skeleton structure is hinged, and the outer portion is covered with a filling material as a whole; the recess 2 is close to the lower end of the headrest 1, that is, the upper edge of the recess 2 is from the upper end of the headrest 1 The distance is greater than the distance from the lower edge of the recess 2 to the lower end of the headrest 1.
  • a seat according to the present invention is characterized in that the diameter or the major or minor axis of the recess 2 is 15 cm-30 Cm (the short axis of the recess 2 of this embodiment is 15 cm) is suitable for the head shape of most people within the normal width of the seat.
  • the present invention is adapted to be suitable for rest and is suitable for use by a driver.
  • the headrest 1 is provided with a headrest cover 4, and the headrest cover 4 is hinged to the headrest 1, and can be opened or swayed to one side when rest is required.
  • the headrest cover 4 of the present embodiment can be opened upwards; when the headrest cover 4 covers the headrest 1, the contact surface with the human body is flat or has a protrusion matching the curved surface of the human neck.
  • the recess 2 in the present embodiment is a U-shaped recess with an upper opening, which can also be understood as a semi-circular recess with an upward opening.
  • the bag 10 can also be disposed at the lower portion of the headrest 1.
  • the purpose of the setting is that the headrest can be carried around, and the bag 10 can be used on the seat back 3 when in use.
  • the bag 10 is preferably made of an elastic cloth, preferably with a cutout at the bottom of the bag 10.
  • FIG. 5 and FIG. 6 show a seat including a support frame at an upper end of the seat back 3, and a headrest 1 connected to the support frame; the headrest 1 is disposed on a side corresponding to the rear of the human brain There is a recess 2 which cooperates with a curved surface of the human brain; the headrest 1 can be horizontally adjusted with respect to the seat back 3; the recess 2 is an elliptical or short axis with a circular or long axis being horizontal
  • the horizontal ellipse (this embodiment is an ellipse whose horizontal axis is horizontal), the maximum depth of the recess 2 is 3 cm - 12 cm (12 cm in this embodiment).
  • the support frame of the present invention comprises two parallel shafts, and the top of the seat back 3 is provided for safety
  • the row of holes 6 or the chutes 8 (in this embodiment, the rows of holes 6) of the parallel shafts 5 are mounted to achieve stepless adjustment or stepwise adjustment of the headrest 1 in the horizontal direction.
  • the maximum displacement of the headrest 1 of the present invention with respect to the horizontal adjustment of the seat back 3 is 15 cm to 20 cm (20 cm in this embodiment), and the distance between the user and the headrest 1 is adjusted to a suitable state.
  • a seat according to the present invention is characterized in that the diameter or the major axis or the minor axis of the recess 2 is 15 cm - 30 cm (the long axis of the recess 2 is 30 cm in this embodiment), and the normal width of the seat The range is suitable for most people's head types.
  • the recess 2 of the present embodiment is an elliptical shape having a long axis, and the maximum depth of the recess 2 is 3 cm - 12 cm (12 cm in this embodiment).
  • the support frame of the present invention comprises two parallel shafts 5, and the top of the seat back 3 is provided with a discharge hole 6 or a sliding groove 8 (in this embodiment, a chute 8) for mounting the parallel shaft 5 to realize the headrest 1 stepless adjustment or stepwise adjustment in the horizontal direction; the chute 8 is provided with a lock nut 7.
  • the maximum displacement of the headrest 1 according to the present invention with respect to the horizontal adjustment of the seat back 3 is 15 cm - 20 cm (15 cm in this embodiment), and the distance between the user and the headrest 1 is adjusted to a suitable state.
  • a seat according to the present invention is characterized in that the diameter or the major axis or the minor axis of the recess 2 is 15 cm - 30 cm (the long axis of the recess 2 is 28 cm in this embodiment), and the normal width of the seat The range is suitable for most people's head types.
  • the recess 2 is circular in the embodiment, and the maximum depth of the recess 2 is 8 cm.
  • the support frame of the present invention is a support rod, and the top of the seat back 3 is provided with a support for mounting a row of holes 6 or chutes 8 (in this embodiment, the chute 8) to achieve stepless adjustment or stepwise adjustment of the headrest 1 in the horizontal direction; the chute 8 is provided with a lock nut 7; The headrest 1 and the top end of the support rod are hinged to the ball, and the headrest 1 and the back angle of the seat are adjusted.
  • the headrest 1 of the present invention has two sides, one side is provided with a protrusion 9 matching the curved surface of the human neck, and the other side is provided with a recess 2 matching the curved surface of the human brain; and the headrest 1 can support the frame Rotate the two sides of the shaft alternately to meet the different needs of the user.
  • the maximum displacement of the headrest 1 according to the present invention with respect to the horizontal adjustment of the seat back 3 is 15 cm to 20 cm (18 cm in this embodiment), and the distance between the user and the headrest 1 is adjusted to a suitable state.
  • the seat of the present invention is characterized in that the diameter or the major axis or the minor axis of the recess 2 is 15 cm-30 cm (the diameter of the recess 2 of the embodiment is 15 cm), and is suitable for the normal width of the seat. For most people's head types.
  • the maximum displacement of the headrest 1 of the present invention with respect to the horizontal adjustment of the seat back 3 is 15 cm to 20 cm (20 cm in this embodiment), and the distance between the user and the headrest 1 is adjusted to a suitable state.
  • a headrest mounted on a seat is similar to that of Embodiment 1, except that the recess depth adjusting means is different.
  • the headrest body is provided with a recess depth adjusting device for adjusting the size of the recessed portion of the recessed area.
  • the working principle of the recessed depth adjusting device is to: adjust the depth and shallowness of the recessed area according to the difference of the shape of the individual head, that is, the internal skeleton
  • the housing 16 includes a worm gear mechanism including a worm 15 mounted in the outer casing 16 and meshing with the worm 15 to drive the worm gear 11 mounted on a screw shaft.
  • the hole thread of the worm wheel 11 is meshed with the screw shaft to drive the screw shaft to move axially; the screw shaft is mounted near one end of the recess a connecting member fixedly coupled to the flexible pad, the connecting member moving forward or backward as the screw shaft moves; when the connecting member moves forward, the connecting member pushes the recess of the flexible pad forward to make the recess shallow, At the same time, the outline size of the recess becomes small, and when the connecting member moves rearward, the connecting member pulls the recess of the flexible gasket rearward to make the recess deeper, while the outline size of the recess becomes large.

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Abstract

一种座椅及头枕（1），所述头枕（1）包括头枕体，所述头枕体用于与人体后脑部接触的一面设有与人体后脑部曲面配合的凹陷（2），其结构特点是，所述凹陷（2）的最大深度为3㎝-12㎝；所述头枕体内装有用于调节凹陷（2）深度的调节装置；该头枕防止头部位移、避免颈椎损伤，同时适应不同头型的使用者。

Description

一种座椅及头枕 技术领域
本发明涉及一种座椅及头枕，尤其适用于交通工具及办公、家居等领域。
背景技术
随着社会经济发展，人类生活的压力也越来越大，追求简洁而舒适的要求也越来越高，特别是随着交通工具的发展，人们在汽车、飞机、火车、轮船等交通工具度过的时间也相对增多，面对舟车劳顿引起的疲惫感，利用行程的时间进行休息是常有的事。
目前，座椅上与人的头部对应的位置一般为与座椅靠背一体的平面，或是由居家床用枕头演绎而来凸出的头枕，从习惯和外观上已被人们普遍接受。
而实际情况是，人们在交通工具的座椅上休息时，由于座位前后间距不够大，不能过多的调节座椅靠背，大多为坐姿休息，而无法躺下。一旦睡着，在交通工具的晃动下，人的头部不能固定会随之左右移动，甚至靠到素不相识的邻座乘客的肩头引起尴尬，或撞到一旁的窗户上造成疼痛。休息时，睡眠质量无法保证，左摇右晃对颈椎也会带来损伤。
发明内容
本发明旨在提供一种座椅及头枕，该头枕防止头部位移、避免颈椎损伤，同时适应不同头型的使用者。
为了实现上述目的，本发明所采用的技术方案是：
一种头枕，包括头枕体，所述头枕体用于与人体后脑部接触的一面设有 与人体后脑部曲面配合的凹陷，其结构特点是，所述凹陷的最大深度为3㎝-12㎝；所述头枕体内装有用于调节凹陷尺寸的调节装置；优选所述调节凹陷尺寸是指调节凹陷的深度和/或凹陷的大小。
由此，本发明的头枕可以根据使用者的头型调整头枕的结构，从而最大程度地保证使用者的舒适度。
根据本发明的实施例，还可以对本发明作进一步的优化，以下为优化后形成的技术方案：
所述头枕体包括内部骨架和包绕所述内部骨架的柔性衬垫；所述调节装置安装在所述内部骨架内。
根据本发明的一个实施例，所述内部骨架包括外壳，所述调节装置为蜗轮蜗杆机构，该涡轮蜗杆机构包括装在外壳内的蜗杆，与该蜗杆啮合传动的蜗轮，所述蜗轮装在一可轴向移动的齿轮轴上，该齿轮轴靠近所述凹陷的一端装有齿轮；所述柔性衬垫上固定连接有靠枕带，该靠枕带的两端部均设有齿条，该齿条与所述齿轮啮合使靠枕带收紧或放松；当靠枕带收紧时，柔性衬垫的凹陷变深，当靠枕带放松时，柔性衬垫的凹陷变浅；优选所述蜗杆的一端装有旋钮或电机。由此，通过蜗杆的转动，蜗轮带动齿轮轴转动，齿轮轴上的齿轮与靠枕带的齿条啮合从而使靠枕带收紧或放松，靠枕带收紧时，靠枕带向后挤压所述齿轮和齿轮轴，使得齿轮轴向后移动，凹陷变深，凹陷的轮廓尺寸变大；靠枕带放松时，靠枕带向前拉动所述齿轮和齿轮轴，使得齿轮轴向前移动，凹陷变浅，凹陷的轮廓尺寸变小。
根据本发明的另一个实施例，所述内部骨架包括外壳，所述调节装置为蜗轮蜗杆机构，该涡轮蜗杆机构包括装在外壳内的蜗杆，与该蜗杆啮合传动 的蜗轮，所述蜗轮装在一螺杆轴上，所述蜗轮的孔螺纹与所述螺杆轴啮合传动而驱动螺杆轴轴向移动；所述螺杆轴靠近所述凹陷的一端装有与柔性衬垫固定相连的连接元件，该连接元件随着螺杆轴的运动向前或向后移动；当连接元件向前移动时，连接元件推动柔性衬垫的凹陷向前而使得凹陷变浅，当连接元件向后移动时，连接元件拉动柔性衬垫的凹陷向后而使得凹陷变深；优选所述蜗杆的一端装有旋钮或电机。由此，通过蜗杆的转动，蜗轮带动齿轮轴转动同时前后移动，齿轮轴向前移动时，齿轮轴上的连接元件推动柔性衬垫向前，凹陷变浅，凹陷的轮廓尺寸变大；齿轮轴向后移动时，齿轮轴上的连接元件拉动柔性衬垫向后，凹陷变深，凹陷的轮廓尺寸变小。
优选地，所述柔性衬垫为海绵或记忆棉。本发明凹陷部分采用记忆棉时，不受人体头部压迫时保持与座椅靠谱的平整一致。
优选地，所述凹陷为圆形或上部开口的U形或长轴为水平的椭圆形或短轴为水平的椭圆形；优选所述凹陷的直径或长轴或短轴为15㎝-30㎝。所述凹陷的直径或长轴或短轴为15㎝-30㎝，在座位正常宽度范围内适用于大多数人的头型。
所述凹陷接近头枕的下端，即凹陷上缘距头枕上端的距离大于凹陷下缘距头枕下端的距离。
为了满足使用者不同的需求，所述头枕为双面，一面设有与人体颈部后方曲面相配合的凸起，另一面设有与人体脑部后方曲面相配合的凹陷；且头枕可以支撑架为轴旋转两面交替。
为了既适合依靠休息又适于驾驶者使用，所述头枕上设有头枕盖，该头枕盖与头枕铰接相连；所述头枕盖覆盖头枕时，头枕盖与人体的接触面为平 面或设有与人体颈部后方曲面相配合的凸起。需要休息时可往一侧掀开或往上掀开；所述头枕盖与人体的接触面为平面或设有与人体颈部后方曲面相配合的凸起。
为了方便头枕随身携带，提高便携性能，所述头枕的下部设有套袋，该套袋用于套装在座椅靠背上并固定在所述座椅靠背上；优选所述套袋由弹性布料制成；有优选所述套袋的底部设有缩口。
基于同一个发明构思，本发明还提供了一种座椅，其包括座椅靠背，所述座椅靠背的顶部装有所述的头枕；优选所述头枕与座椅靠背之间设有角度调节机构和/或高度调节机构。
所述头枕通过支撑架安装在座椅靠背；优选所述支撑架为如下两种结构形式：
I、所述支撑架包括两根平行轴，所述座椅靠背的顶部开设有用于安装平行轴的排孔或滑槽；所述滑槽设有锁紧螺母。
II、所述支撑架为支撑杆，所述座椅靠背的顶部开设有用于安装支撑杆的排孔或滑槽；所述滑槽设有锁紧螺母；所述头枕与支撑杆的顶端为球铰接。由此，方便实现头枕与椅背角度调节
优选地，为了适应不同体型的使用者，所述头枕可相对座椅靠背水平调节，优选所述头枕相对座椅靠背水平调节的最大位移为15㎝-20㎝。
本发明所述头枕与座椅靠背铰接，内部骨架结构铰接，外部包有填充材料为一个整体。
本发明所述头枕相对座椅靠背水平调节的最大位移为15㎝-20㎝，使用者与头枕的距离调节到合适状态。
本发明还可对支撑架与头枕的连接设计进行改进，使头枕与座椅靠背之间的间距可调，以适用于不同身高者的使用。
优选地，所述头枕可拆卸地固定在座椅靠背顶部；更优选所述头枕通过拔插结构与所述座椅靠背相连。拔插结构可以是：在头枕下端安装的安装杆，在座椅靠背内设有与所述安装杆配合的安装孔。
与现有技术相比，本发明的有益效果是：由于采用上述技术方案，本发明较好的实现了发明目的，其凹陷与人体脑部后方曲面相配合，防止在脑部脱出头枕；头枕与座椅靠背之间的角度或位移可调，复合人体工学，更好支撑和保护颈部，适用于多种交通工具和居家、办公家具。
附图说明
图1是本发明实施例1的结构示意图；
图2是图1的A-A视图；
图3是本发明实施例2的结构示意图；
图4是图2的B-B视图；
图5是本发明实施例4的结构示意图；
图6是图5的C-C视图；
图7是本发明实施例5的结构示意图；
图8是本发明实施例6的结构示意图；
图9是图8的D-D视图；
图10是本发明U形结构的头枕示意图；
图11是本发明所述调节装置的纵剖面示意图；
图12是图11的E-E剖面图；
图13是图11的F向视图。
具体实施方式
以下将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本发明中的实施例及实施例中的特征可以相互组合。为叙述方便，下文中如出现“上”、“下”、“左”、“右”字样，仅表示与附图本身的上、下、左、右方向一致，并不对结构起限定作用。
实施例1
一种装在座椅上的头枕，包括头枕体，该头枕体与人体脑部后方对应的一面设有凹陷2，所述凹陷2与人体脑部后方曲面配合；所述头枕1与座椅靠背3之间的角度可调节；所述凹陷2为圆形或长轴为水平的椭圆形或短轴为水平的椭圆形(本实施例为长轴为水平的椭圆形)，凹陷2的最大深度为3㎝-12㎝(本实施例为12㎝)。
如图11-13所示，所述头枕体内设有调节凹陷区凹陷尺寸的凹陷深度调节装置，该凹陷深度调节装置工作原理为：根据个人头部形状的差异，实现对凹陷区域进行深浅度调节，即：转动调节旋钮23，也可以采用微型电机驱动，带动蜗杆轴15转动，进而带动蜗轮12进行垂直方向转动，由蜗轮12带动齿轮轴14转动，齿轮轴的一端为齿轮，和安装在齿轮套17内的靠枕带18的内圈通过齿轮齿条的方式啮合，靠枕带为软质材料，两端部均设有齿条19，当齿轮轴顺时针转动时靠枕带收紧，凹陷区变深，同时凹陷的轮廓尺寸变大；齿轮轴逆时针转动时靠枕带放松，凹陷区变浅，同时凹陷的轮廓尺寸变小。当凹陷区变深或下降时，齿轮轴会通过键槽沿蜗轮的滑键实现滑动，其中齿轮轴14与轴承13为间隙配合，轴承13与蜗轮12为过盈配合，凹陷区可以实现范围 为30mm-120mm之间的深度调节。当靠枕带受到头部的作用力时，可通过蜗轮蜗杆实现装置的自锁。
本发明的头枕可以单独生产或出售。
由图1、图2可知，一种座椅，它包括座椅靠背3，座椅靠背3的上端设有上述装在座椅上的头枕1。
本发明所述头枕1与座椅靠背3铰接，内部骨架结构铰接，外部包有填充材料为一个整体；所述凹陷2接近头枕1的下端，即凹陷2上缘距头枕1上端的距离大于凹陷2下缘距头枕1下端的距离。
本发明所述一种座椅，其特征是所述凹陷2的直径或长轴或短轴为15㎝-30㎝(本实施例凹陷2的长轴为30㎝)，在座位正常宽度范围内适用于大多数人的头型。
实施例2
由图3、图4可知，一种座椅，它包括座椅靠背3，座椅靠背3的上端设有头枕1，所述头枕1与人体脑部后方对应的一面设有凹陷2，所述凹陷2与人体脑部后方曲面配合；所述头枕1与座椅靠背3之间的角度可调节。
所述凹陷2为圆形或长轴为水平的椭圆形或短轴为水平的椭圆形(本实施例为短轴为水平的椭圆形)，凹陷2的最大深度为3㎝-12㎝(本实施例为3㎝)。
本实施例所述凹陷2的短轴为17㎝。
本发明所述头枕1与座椅靠背3铰接，内部骨架结构铰接，外部包有填充材料为一个整体；所述凹陷2接近头枕1的下端，即凹陷2上缘距头枕1上端的距离大于凹陷2下缘距头枕1下端的距离。
本发明所述一种座椅，其特征是所述凹陷2的直径或长轴或短轴为15㎝-30 ㎝(本实施例凹陷2的短轴为15㎝)，在座位正常宽度范围内适用于大多数人的头型。
本发明为了即适合依靠休息又适于驾驶者使用，所述头枕1上设有头枕盖4，头枕盖4与头枕1铰接，需要休息时可往一侧掀开或往上掀开(本实施例头枕盖4可往上掀开)；所述头枕盖4覆盖头枕1时，与人体的接触面为平面或设有与人体颈部后方曲面相配合的凸起。
余同实施例1。
实施例3:
如图10所示，本实施例所述凹陷2为上部开口的U形凹陷，也可以理解为开口向上的半圆形凹陷。
此外，如图10所示，还可以在头枕1的下部设置套袋10，这样设置的目的是，头枕可以随身携带，使用时，将套袋10套在座椅靠背3上即可使用。为了适应不同尺寸的座椅，套袋10优选由弹性布料制成，最好是在套袋10的底部设有缩口。
余同实施例2。
实施例4
由图5、图6可知，一种座椅，它包括，座椅靠背3的上端设有支撑架，支撑架上连接有头枕1；所述头枕1与人体脑部后方对应的一面设有凹陷2，所述凹陷2与人体脑部后方曲面相配合；所述头枕1可相对座椅靠背3水平调节；所述凹陷2为圆形或长轴为水平的的椭圆形或短轴为水平的椭圆形(本实施例为长轴为水平的椭圆形)，凹陷2的最大深度为3㎝-12㎝(本实施例为12㎝)。
本发明所述支撑架包括两根平行轴，所述座椅靠背3的顶部开设有用于安 装平行轴5的排孔6或滑槽8(本实施例为排孔6)，以实现头枕1在水平方向上的无级调节或有级调节。
本发明所述头枕1相对座椅靠背3水平调节的最大位移为15㎝-20㎝(本实施例为20㎝)，使用者与头枕1的距离调节到合适状态。
本发明所述一种座椅，其特征是所述凹陷2的直径或长轴或短轴为15㎝-30㎝(本实施例所述凹陷2的长轴为30㎝)，在座位正常宽度范围内适用于大多数人的头型。
实施例5
由图7可知，本实施例的凹陷2为长轴为水平的椭圆形)，凹陷2的最大深度为3㎝-12㎝(本实施例为12㎝)。
本发明所述支撑架包括两根平行轴5，所述座椅靠背3的顶部开设有用于安装平行轴5的排孔6或滑槽8(本实施例为滑槽8)，以实现头枕1在水平方向上的无级调节或有级调节；所述滑槽8设有锁紧螺母7。
本发明所述头枕1相对座椅靠背3水平调节的最大位移为15㎝-20㎝(本实施例为15㎝)，使用者与头枕1的距离调节到合适状态。
本发明所述一种座椅，其特征是所述凹陷2的直径或长轴或短轴为15㎝-30㎝(本实施例所述凹陷2的长轴为28㎝)，在座位正常宽度范围内适用于大多数人的头型。
余同实施例4。
实施例6
由图8、图9可知，本实施例所述凹陷2为圆形，凹陷2的最大深度为8㎝。
本发明所述支撑架为支撑杆，所述座椅靠背3的顶部开设有用于安装支撑 杆的排孔6或滑槽8(本实施例为滑槽8)，以实现头枕1在水平方向上的无级调节或有级调节；所述滑槽8设有锁紧螺母7；所述头枕1与支撑杆的顶端为球铰接，实现头枕1与椅背角度调节。
本发明所述头枕1为双面，一面设有与人体颈部后方曲面相配合的凸起9，另一面设有与人体脑部后方曲面相配合的凹陷2；且头枕1可以支撑架为轴旋转两面交替，以满足使用者不同的需求。
本发明所述头枕1相对座椅靠背3水平调节的最大位移为15㎝-20㎝(本实施例为18㎝)，使用者与头枕1的距离调节到合适状态。
本发明所述一种座椅，其特征是所述凹陷2的直径或长轴或短轴为15㎝-30㎝(本实施例凹陷2的直径为15㎝)，在座位正常宽度范围内适用于大多数人的头型。
本发明所述头枕1相对座椅靠背3水平调节的最大位移为15㎝-20㎝(本实施例为20㎝)，使用者与头枕1的距离调节到合适状态。
余同实施例5。
实施例7
一种装在座椅上的头枕，与实施例1类似，其区别在于凹陷深度调节装置有所不同。所述头枕体内设有调节凹陷区凹陷尺寸的凹陷深度调节装置，该凹陷深度调节装置工作原理为：根据个人头部形状的差异，实现对凹陷区域进行深浅度调节，即：所述内部骨架包括外壳16，所述凹陷深度调节装置为蜗轮蜗杆机构，该涡轮蜗杆机构包括装在外壳16内的蜗杆15，与该蜗杆15啮合传动的蜗轮11，所述蜗轮11装在一螺杆轴上，所述蜗轮11的孔螺纹与所述螺杆轴啮合传动而驱动螺杆轴轴向移动；所述螺杆轴靠近所述凹陷的一端装有 与柔性衬垫固定相连的连接元件，该连接元件随着螺杆轴的运动向前或向后移动；当连接元件向前移动时，连接元件推动柔性衬垫的凹陷向前而使得凹陷变浅，同时凹陷的轮廓尺寸变小，当连接元件向后移动时，连接元件拉动柔性衬垫的凹陷向后而使得凹陷变深，同时凹陷的轮廓尺寸变大。
上述实施例阐明的内容应当理解为这些实施例仅用于更清楚地说明本发明，而不用于限制本发明的范围，在阅读了本发明之后，本领域技术人员对本发明的各种等价形式的修改均落入本申请所附权利要求所限定的范围。

Claims (14)

  1. 一种头枕，包括头枕体，所述头枕体用于与人体后脑部接触的一面设有与人体后脑部曲面配合的凹陷(2)，其特征在于，所述凹陷的最大深度为3㎝-12㎝；所述头枕体内装有用于调节凹陷(2)尺寸的调节装置；优选所述调节凹陷(2)尺寸是指调节凹陷(2)的深度和/或凹陷(2)的大小。
  2. 根据权利要求1所述的头枕，其特征在于，所述头枕体包括内部骨架和包绕所述内部骨架的柔性衬垫；所述调节装置安装在所述内部骨架内。
  3. 根据权利要求2所述的头枕，其特征在于，所述内部骨架包括外壳(16)，所述调节装置为蜗轮蜗杆机构，该涡轮蜗杆机构包括装在外壳(16)内的蜗杆(15)，与该蜗杆(15)啮合传动的蜗轮(11)，所述蜗轮(11)装在一可轴向移动的齿轮轴(14)上，该齿轮轴(14)靠近所述凹陷的一端装有齿轮(25)；所述柔性衬垫上固定连接有靠枕带(18)，该靠枕带(18)的两端部均设有齿条(19)，该齿条(19)与所述齿轮(25)啮合使靠枕带(18)收紧或放松；当靠枕带(18)收紧时，柔性衬垫的凹陷变深，当靠枕带(18)放松时，柔性衬垫的凹陷变浅；优选所述蜗杆(15)的一端装有旋钮或电机。
  4. 根据权利要求2所述的头枕，其特征在于，所述内部骨架包括外壳(16)，所述调节装置为蜗轮蜗杆机构，该涡轮蜗杆机构包括装在外壳(16)内的蜗杆(15)，与该蜗杆(15)啮合传动的蜗轮(11)，所述蜗轮(11)装在一螺杆轴上，所述蜗轮(11)的孔螺纹与所述螺杆轴啮合传动而驱动螺杆轴轴向移动；所述螺杆轴靠近所述凹陷的一端装有与柔性衬垫固定相连的连接元件，该连接元件随着螺杆轴的运动向前或向后移动；当连接元件向前移动时，连接元件推动柔性衬垫的凹陷向前而使得凹陷变浅，当连接元件向后移动时，连接元件拉动柔性衬垫的凹陷向后而使得凹陷变深；优选所述蜗杆 (15)的一端装有旋钮或电机。
  5. 根据权利要求2-4中任一项所述的头枕，其特征在于，所述柔性衬垫为海绵或记忆棉。
  6. 根据权利要求1-5中任一项所述的头枕，其特征在于，所述凹陷(2)为圆形或上部开口的U形或长轴为水平的椭圆形或短轴为水平的椭圆形；优选所述凹陷的直径或长轴或短轴为15㎝-30㎝。
  7. 根据权利要求1-5中任一项所述的头枕，其特征在于，所述凹陷(2)接近头枕的下端，即凹陷(2)上缘距头枕(1)上端的距离大于凹陷(2)下缘距头枕(1)下端的距离。
  8. 根据权利要求1-5中任一项所述的头枕，其特征在于，所述头枕(1)为双面，一面设有与人体颈部后方曲面相配合的凸起(9)，另一面设有与人体脑部后方曲面相配合的凹陷；且头枕(9)可以支撑架为轴旋转两面交替。
  9. 根据权利要求1-5中任一项所述的头枕，其特征在于，所述头枕(1)上设有头枕盖(4)，该头枕盖(4)与头枕(1)铰接相连；所述头枕盖(4)覆盖头枕(1)时，头枕盖(4)与人体的接触面为平面或设有与人体颈部后方曲面相配合的凸起。
  10. 根据权利要求1-5中任一项所述的头枕，其特征在于，所述头枕(1)的下部设有套袋，该套袋用于套装在座椅靠背(3)上并固定在所述座椅靠背(3)上；优选所述套袋(10)由弹性布料制成；有优选所述套袋(10)的底部设有缩口。
  11. 一种座椅，包括座椅靠背(3)，其特征在于，所述座椅靠背(3)的顶部装有如权利要求1-10中任一项所述的头枕(1)；优选所述头枕(1)与座椅靠背(3)之间设有角度调节机构和/或高度调节机构。
  12. 根据权利要求11所述的座椅，其特征在于，所述头枕(1)通过支撑架安装在座椅靠背(3)；优选所述支撑架为如下两种结构形式：
    I、所述支撑架包括两根平行轴，所述座椅靠背的顶部开设有用于安装平行轴的排孔或滑槽；所述滑槽设有锁紧螺母；
    II、所述支撑架为支撑杆，所述座椅靠背的顶部开设有用于安装支撑杆的排孔或滑槽(8)；所述滑槽设有锁紧螺母；所述头枕与支撑杆的顶端为球铰接。
  13. 根据权利要求11或12所述的座椅，其特征在于，所述头枕(1)可相对座椅靠背(3)水平调节，优选所述头枕(1)相对座椅靠背(3)水平调节的最大位移为15㎝-20㎝。
  14. 根据权利要求11-13中任一项所述的座椅，其特征在于，所述头枕(1)可拆卸地固定在座椅靠背(3)顶部；优选所述头枕(1)通过拔插结构与所述座椅靠背(3)相连。
PCT/CN2017/078994 2016-07-27 2017-03-31 一种座椅及头枕 WO2018018917A1 (zh)

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