WO2018113320A1 - 床椅两用的座椅 - Google Patents

床椅两用的座椅 Download PDF

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Publication number
WO2018113320A1
WO2018113320A1 PCT/CN2017/097597 CN2017097597W WO2018113320A1 WO 2018113320 A1 WO2018113320 A1 WO 2018113320A1 CN 2017097597 W CN2017097597 W CN 2017097597W WO 2018113320 A1 WO2018113320 A1 WO 2018113320A1
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WO
WIPO (PCT)
Prior art keywords
seat
latch
chair
seat back
link
Prior art date
Application number
PCT/CN2017/097597
Other languages
English (en)
French (fr)
Inventor
郭沛民
Original Assignee
华安立高文具制品（深圳）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华安立高文具制品（深圳）有限公司 filed Critical 华安立高文具制品（深圳）有限公司
Publication of WO2018113320A1 publication Critical patent/WO2018113320A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
    • A47D11/00—Children's furniture convertible into other kinds of furniture, e.g. children's chairs or benches convertible into beds or constructional play-furniture

Definitions

  • the present invention relates to a dual-purpose seat, and more particularly to a chair for dual use of a bed and chair.
  • the technical problem to be solved by the present invention is to provide a dual-purpose chair for a simple operation.
  • the technical solution adopted by the present invention to solve the technical problem thereof is: providing a chair for dual use of a bed and chair, comprising a seat, a seat back rotatably connected to one end of the seat, and a rotatably connected a headrest portion at the top of the seat back, and an angle adjusting device mounted on the seat back;
  • the angle adjusting device includes a link frame movably fitted on the seat back, a lock that is fitted on the seat back by the link frame and movable back and forth along a height direction of the seat back a mechanism, and a first link supported between the locking mechanism and the seat;
  • the headrest portion is provided with a fitting portion that protrudes to the top side of the link frame, and drives the headrest portion to rotate in the direction of the seat when the link frame is moved and pushed;
  • the seat back is reciprocable relative to the seat between a first position and a second position; the seat back is in a first position, and the seat back is inclined or perpendicular to the seat
  • the headrest portion is parallel to the seat back; the seat back is in the second position, the seat back is parallel to the seat, the locking mechanism is adjacent to the headrest portion, and the headrest portion is opposite
  • the seat back is inclined or vertical so that the seat forms a bed.
  • the locking mechanism includes a housing having an accommodating space therein, a latch, an unlocking button, and a safety button;
  • the latch is disposed in the accommodating space, and is reciprocable between a third position and a fourth position.
  • the first end of the latch is provided with a locking portion that can extend out of the housing and fit on the seat back;
  • the unlocking button is disposed on one side of the housing and cooperates with the plug to reciprocate in a direction approaching and away from the plug;
  • the security button is disposed on the other side of the housing with respect to the unlocking button and cooperates with the latch to reciprocate in a direction approaching and away from the latch;
  • the latch is in the third position, the locking portion of the latch protrudes from the housing and fits on the seat back, and the unlocking button is located away from the latch, the safety Pressing a button to interfere with the pin to limit the movement of the pin;
  • the latch is in the fourth position, the locking portion of the latch is away from the seat back, the safety button is erroneously limited to the latch, and the unlocking button is engaged with the latch Side and close to the security button
  • the housing includes a base and a top cover that is coupled to the base; the top cover is fastened to the base by a buckle and/or a screw; a through hole extending from a locking portion of the pin
  • the latch includes a main body portion disposed in the accommodating space, a first end of the main body portion faces the base, and an opposite second end faces the top cover; a protruding portion is disposed on the first end of the main body portion;
  • the first end of the main body portion is provided with a first guiding portion that cooperates with the unlocking button; the side of the main body portion is provided with a limiting post that cooperates with the safety button.
  • the base and/or the top cover are provided with a protruding positioning portion corresponding to the position of the plug pin, and the positioning portion is provided with a positioning slot, and the main body portion of the latch is movablely accommodated In the positioning groove; [0018] the through hole is opposite to the positioning groove on the base and communicates with the positioning groove.
  • the unlocking button is disposed on the base and reciprocates along the base in a direction of approaching and moving away from the latch;
  • the unlocking button is provided at one end of the latch with a second guiding portion that cooperates with the first guiding portion, and the second guiding portion can enter the base along the first guiding portion and the Between the first ends of the latches, the latches are urged to move toward the top cover.
  • the security button is disposed on the base, and can be adjacent to and away from the base along the base Reciprocating in the direction of the bolt;
  • the security button is provided with a bent portion toward one end of the latch, the latch is in a third position ⁇ , and the bent portion is pressed against a side of the limiting post away from the base, The latch is restricted from moving in the direction of the top cover.
  • the locking mechanism further comprises:
  • a first returning elastic member parallel to the direction of movement of the latch, disposed between the second end of the latch and the top cover;
  • the second return elastic member is disposed between the safety button and the base in parallel with a movement direction of the safety button.
  • the link frame is located at a periphery of the housing, and the link frame is provided with a guide groove parallel to the moving direction of the locking mechanism;
  • the first link includes a first end that passes through the guide groove and is hinged on the housing, and a second end hinged to the seat; or the link is U-shaped And a transverse section thereof passes through the guide groove and fits in the housing, and two opposite vertical sections are located outside the link frame, and a free end of the vertical section is hinged on the seat.
  • the dual chair for the bed and chair further comprises a footrest rotatably coupled to the other end of the seat opposite the seat back, and is mounted between the seat back and the footrest Connecting rod assembly;
  • the link assembly includes a second link and a third link that are hinged, and an end of the second link away from the third link is hinged on the seat back, the third link One end of the rod away from the second link is hinged on the pedal portion;
  • the seat back is in a first position, the pedal portion is inclined or perpendicular to the seat, and the seat back is respectively located on opposite sides of the seat; the seat back is in the first In two positions, the footrest is parallel to the seat.
  • the dual chair for the bed and chair of the present invention can be a baby chair, which can realize a quick conversion between the baby chair and the crib; the seat back is seated on the seat by the cooperation of the locking mechanism and the first link Adjusting a plurality of angles; adjusting the headrest by the cooperation of the locking mechanism, the first link and the link frame to adjust the backrest of the seat back, Converting the seat into a bed is easy to operate.
  • the locking mechanism is arranged such that the same unlocking button and the safety button are required to rotate the adjusting seat back, and the unlocking button and the safety button are released after the seat back is properly inclined, thereby automatically locking the seat back Its adjusted angle, easy to operate, double insurance, safe and reliable.
  • the seat pedal portion is coupled to the seat back through the link assembly, so that the pedal portion is also adjusted in conjunction with the flat seated back.
  • FIG. 1 is a schematic structural view of a chair for dual use of a bed and chair according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of the seat shown in FIG. 1 converted into a bed
  • FIG. 3 is a schematic structural view of a link frame and a headrest portion in the process of converting the seat shown in FIG. 1 into a bed; [0037] FIG.
  • FIG. 4 is an exploded perspective view of the locking mechanism in the seat shown in FIG. 1;
  • FIG. 5 is a schematic structural view of the plug of FIG. 4;
  • FIG. 6 and FIG. 7 are respectively a cross-sectional structural diagram of the locking mechanism in the seat shown in FIG. 1 in a locking and unlocking manner.
  • FIG. 8 (1) and (2) are respectively sectional structural views of the locking mechanism in the seat shown in FIG. 1 in a locking and unlocking unlocking button and a latch;
  • FIG. 9 (1) and (2) are schematic cross-sectional structural views of the locking mechanism in the seat shown in FIG. 1 in the locking and unlocking safety button and the latch;
  • FIG. 10 is a cross-sectional structural view showing the locking mechanism of the seat of FIG. 1 in a locking ⁇ safety button and a second returning elastic member;
  • FIG. 11 is a schematic view (sectional structure) of the seat of FIG. 1 converted into a bed.
  • a dual-purpose chair for a bed and chair is suitable for a baby chair, and realizes Conversion between baby chair and crib.
  • the dual chair for the bed and chair comprises a seat 1, a seat back rotatably coupled to one end of the seat 1, a headrest portion 3 rotatably coupled to the top of the seat back 2 (away from the end of the seat 1), and An angle adjustment device mounted on the seat back 2.
  • the seat back 2 is tilted or perpendicular to the seat 1 by adjustment and locking of the angle adjusting device, and is used as a backrest, and the headrest portion 3 is parallel to the seat back 2 as a backrest.
  • the headrest in the state of the bed, as shown in Fig. 2, the seat back 2 is rotated to the parallel seat 1, together with the seat 1 to form a bed base, and the headrest 3 is rotated to be inclined or perpendicular to the seat back 2, As the side panel of the bed.
  • the angle adjusting device is disposed on the back of the seat back 2 away from the seat 1.
  • the angle adjusting device includes a link frame 4, a locking mechanism 5, and a first link 6.
  • the link frame 4 is movably fitted on the seat back 2; the locking mechanism 5 is coupled to the seat back 2 via the link frame 4, and is movable back and forth along the height direction of the seat back 2; the first link 6 passes through the link frame 4 Supported between the locking mechanism 5 and the seat 1, the angle of inclination of the first link 6 with respect to the seat 1 and the locking mechanism 5 is also different as the locking mechanism 5 is at different heights on the seat back 2.
  • the moving direction of the link frame 4 is parallel to the height direction of the seat back 2.
  • the link frame 4 can be urged to move toward the headrest portion 3.
  • the headrest portion 3 is provided with a fitting portion 7 projecting to the top side of the link frame 4, and the headrest portion 3 is driven to rotate in the direction of the seat 1 by the movement of the link frame 4.
  • the seat back 2 is rotatable on the seat 1, so that the seat back 2 can reciprocate relative to the seat 1 between a first position and a second position.
  • the seat back 2 is in the first position ⁇ , the seat back 2 is inclined or perpendicular to the seat 1, the headrest 3 is parallel to the seat back 2, as shown in FIG. 1; the back 2 is in the second position ⁇ , the back 2 is parallel 1.
  • the locking mechanism 4 is adjacent to the headrest portion 3, and the headrest portion 3 is inclined or perpendicular to the seat back 2, as shown in FIG.
  • the seat back 2 has a plurality of inclination angles with respect to the inclined state of the seat 1, and the rotation adjustment and locking of the seat back 2 can be realized by the cooperation of the locking mechanism 5 and the first link 6.
  • the locking mechanism 5 is at the end of its movable stroke.
  • the first link 6 drives the link frame 4 to move to the engaging portion 7 on the headrest portion 3, which cooperates
  • the portion 7 is rotated by the force to drive the headrest portion 3 to rotate in the direction of the seat 1, to position the link frame 4, and the top of the link frame 4 is moved to the side of the engaging portion 7 to restrict the reverse rotation of the headrest portion 3.
  • the link frame 4 is moved away from the headrest portion 3, the top portion thereof is moved away from the jaw engaging portion 7, and the headrest portion 3 is rotatable to the parallel seat back 2.
  • the locking mechanism 5 includes a housing 10, a latch 20, an unlocking button 30, and a safety button 40.
  • the housing 10 is movably fitted on the link frame 4, and is mounted on the seat back 2 via the link frame 4, and is movable back and forth along the height direction of the seat back 2 along the link frame 4; the housing 10 has an accommodation space therein.
  • the latch 20 is disposed in the accommodating space and reciprocable between a third position and a fourth position; and the first end of the latch 20 is provided with a locking portion 21, which can extend out of the housing 10 and fit in the chair Back 2.
  • the seat back 2 is provided with a plurality of slots 201, and the plurality of slots 201 are distributed along the height direction of the seat back 2 for the locking portion 21 to fit therein.
  • the unlocking button 30 is disposed on the side of the casing 10 and cooperates with the latch 20 to reciprocate in a direction approaching and away from the latch 20.
  • the safety button 40 is disposed on the other side of the housing 10 and cooperates with the latch 20 to reciprocate in a direction toward and away from the latch 20.
  • the latch 20 is in the third position ⁇ , the locking portion 21 of the latch 20 extends out of the housing 10, thereby extending the locking mechanism 5 and engaging the seat back 2, and the unlocking button 30 is located away from the latch 20
  • the safety button 40 interferes with the latch 20 to restrict the movement of the latch 20; the latch 20 is in the fourth position ⁇ , the locking portion 21 of the latch 20 is away from the slingback 2, and the safety button 40 is erroneously locked to the latch 20, and the unlocking button 30 is unlocked. Fitted on the side of the pin 20 and close to the safety button 40.
  • the link frame 4 is located at the outer periphery of the casing 10, and the link frame 4 is provided with a guide groove 401 in which the parallel locking mechanism 5 moves.
  • the link frame 4 may include two opposite rod portions, the two rod portions respectively engaging opposite sides of the housing 10; the guide groove 401 is disposed on the rod portion.
  • the first link 6 is supported between the housing 10 and the seat 1, and is rotatable relative to the housing 10 and the seat 1.
  • the first link 6 may be one or more, and the first link 6 includes a first end and a second end that are connected, the first end passing through the guide groove 401 of the link frame 4 and being hinged to the case On the body 10, the second end is hinged to the seat 1.
  • the first connecting rod 6 can also be a U-shaped one, the transverse section of which passes through the guiding groove 401 of the connecting rod frame 4 and fits in the casing 10, and the two vertical sections are located outside the connecting rod frame 4, vertical The free end of the segment is hinged to the seat 1.
  • the housing 10 moves back and forth on the seat back 2, and one end of the first link 6 fitted to the housing 10 can be moved back and forth along the seat back 2 and along the guide slot 401.
  • the first link 6 moves along the guide groove 401 to abut the end of the guide groove 401 near the headrest portion 3, it can pull the link frame 4 to move also near the headrest portion 3 during the continued movement.
  • the headrest portion 3 is driven to rotate by pushing the fitting portion 7.
  • a tension spring is further disposed between the link frame 4 and the seat back 2, and the pull-down force is provided so that the link frame 4 is not Under the action of external force, it will not move to the headrest 3, and will remain in the seat state.
  • the housing 10 may include a base 11 and a top cover 12 fitted to the base 11.
  • the base 11 is provided with a through hole 13 through which the locking portion 21 of the plug 20 projects.
  • the top cover 12 can be fastened to the base 11 by snaps and/or screws.
  • one side of the top cover 12 can extend into a side that is engaged with the base 11; the opposite side of the top cover 12 fits on the other side of the base 11, and the side that is further fitted by screws Locked together.
  • the unlocking button 30 and the safety button 40 may be respectively disposed on opposite sides of the upper and lower sides of the casing 10 (both sides of the moving direction of the vertical locking mechanism 5), and the other opposite sides of the moving direction of the parallel locking mechanism 5 of the casing 10 may be A guide rail 16 is provided which is fitted to the link frame 4 via the guide rail 16.
  • the inclination angle of the seat back 2 with respect to the seat 1 changes.
  • the angle between the back of the seat back 2 and the seat 1 is the smallest, and vice versa.
  • the latch 20 is disposed in the accommodating space of the housing 10 and is movable back and forth between the base 11 and the top cover 12 to drive the locking portion 21 out of the housing 10 or to be reset.
  • the plug 20 may include a main body portion 22 disposed in the accommodating space.
  • the first end of the body portion 22 faces the base 11, and the opposite second end faces the top cover 12.
  • the locking portion 21 is convexly disposed on the first end of the main body portion 22 so as to face the base 11 and can protrude from the base 11 through the through hole 13 in the base 11.
  • the latch 20 is in the third position ⁇ , and the latch 20 is moved toward the base 11 such that the locking portion 21 extends out of the base 11; as shown in FIG. 7, the latch 20 is in the fourth position ⁇ , the latch 20 Movement to the top cover 12 causes the locking portion 21 to be reset back into the base 11.
  • the first end of the main body portion 22 is provided with a first guiding portion 23 that cooperates with the unlocking button 30; the unlocking button 30 is adjacent to the main body portion 22, and cooperates with the first guiding portion 23. Thereafter, the latch 20 is urged to move back and forth between the base 11 and the top cover 12 by the first guide portion 23 during the movement of the unlocking button 30.
  • the side of the main body portion 22 is provided with a limiting post 24 that cooperates with the safety button 40, and the movement of the latch 20 is restricted by the pressing of the limiting post 24 by the button 50.
  • a position of the corresponding plug pin 20 on the base 11 is provided with a convex positioning portion 14, and the positioning portion 14 is intermediate.
  • a positioning groove 15 is provided, and the width of the positioning groove 15 is larger than the width of the plug 20.
  • the main body portion 22 of the latch 20 is movably received in the positioning groove 15, and the main body portion 22 moves back and forth between the base 11 and the top cover 12 along the depth of the positioning groove 15 in the positioning groove 15. .
  • the through hole 13 faces the positioning groove 15 on the base 11 and communicates with the positioning groove 15.
  • the positioning portion 14 may also protrude on the top cover 12 or protrude on the base 11 and the top cover 12, respectively.
  • the unlocking button 30 can be snapped onto the base 11 by the arrangement of the barbs 31, and can reciprocate along the base 11 in a direction approaching and away from the latch 20.
  • the unlocking button 30 is disposed at one end of the latching pin 20 with a second guiding portion 32 that cooperates with the first guiding portion 23, and the second guiding portion 32 can enter between the base 11 and the first end of the latch 20 along the first guiding portion 23 to drive The latch 20 moves in the direction of the top cover 12.
  • first guiding portion 23 and the second guiding portion 32 include mating inclined faces.
  • the latch 20 is in the third position ⁇ , the locking portion 21 of the latch 20 extends out of the base 1 1, and the unlocking button 30 is located away from the latch 20, and the second guiding portion 32 is fitted to the side of the first guide portion 23, and the unlocking button 30 does not apply a force to the pin 20 in the direction of the top cover 12.
  • the unlocking button 30 is pressed, the unlocking button 30 is moved toward the latch 20, and the engagement of the second guiding portion 32 and the first guiding portion 23 drives the first guiding portion 23 to move along the second guiding portion 32, thereby driving the latch 20 Movement in the direction of the top cover 12 causes the locking portion 21 to be reset into the base 11, as shown in Fig. 7 and Fig. 8 (2).
  • the security button 40 can be attached to the base 11 opposite to the unlock button 30, and can reciprocate along the base 11 in a direction toward and away from the latch 20.
  • the safety button 40 is provided with a bent portion 41 toward one end of the latch 20, and the bent portion 41 has a flat surface that can be pressed against the limit post 24 of the latch 20.
  • the latch 20 is in the third position, the locking portion 21 of the latch 20 extends out of the base 11, and the bent portion 41 is pressed against the base 24 away from the base.
  • the limit pin 20 On one side of the 11, the limit pin 20 is moved in the direction of the top cover 12.
  • the safety button 40 and the unlocking button 30 are pressed by the same button, the bending portion 41 is erroneously biased against the limiting post 24 to release the pressing force on the limiting post 24, and the latching pin 20 is driven to move in the direction of the top cover 12 by the movement of the unlocking button 30.
  • the lock portion 21 is reset into the base 11, as shown in Fig. 7, Fig. 8 (2), and Fig. 9 (2).
  • the locking mechanism 5 further includes a first return elastic member 50 and a second return elastic member 60.
  • the first return elastic member 50 is parallel to the moving direction of the latch 20, and is disposed between the second end of the latch 20 and the top cover 12.
  • the first return elastic member 50 may be another elastic member such as a spring or a spring.
  • the post 20 and the top cover 12 can be respectively provided with studs or slots.
  • the latch 20 is in the third position, and the first return resilient member 50 can be in its original extended state, providing a top pressure that presses the latch 20 against the base 11, as shown in FIG.
  • the same button is pressed against the unlocking button 30 and the safety button 40 to bring the two closer to the latch 20, the latch 20 is driven to move toward the top cover 12, and the first reset elasticity is achieved.
  • the member 50 is compressed so that the latch 20 moves from the third position to the fourth position, as shown in FIG.
  • the second return elastic member 60 is disposed between the safety button 40 and the base 11 in parallel with the direction of movement of the safety button 40.
  • the second return elastic member 60 may be another elastic member such as a spring or a spring.
  • the safety button 40 and the base 11 can be respectively provided with studs or slots.
  • the latch 20 is in the third position ⁇ , and the second return resilient member 60 can be in its original extended state, as shown in FIG.
  • the second returning elastic member 60 is compressed, and after the unlocking button 30 and the safety button 40 are moved close to the latch 20, the latch 20 is driven to move toward the top cover 12, so that the latch 20 is moved from the third position.
  • the safety button 40 can be moved away from the latch 20 by the restoring force of the second returning elastic member 60, and the restoring force of the latch 20 at the first returning elastic member 50 is restored.
  • the movement is reset in the direction of the base 11, and the unlocking button 30 is also driven to move away from the latch 20 by the cooperation of the first guiding portion 23 and the second guiding portion 32 to be reset.
  • the opposite sides of the seat 1 have side plates, and the other sides are folded, and the seat back 2 is connected to the side on which the seat 1 is placed.
  • the opposite sides of the seat back 2 also have side panels which are respectively connectable to the side panels of the seat 1.
  • the chair for dual use of the bed and chair further comprises a pedal portion 8 opposite to the seat back 2 and rotatably coupled to the other end of the seat 1 (the other side of the seat), A link assembly between the seat back 2 and the footrest 8.
  • the link assembly connects the seat back 2 and the step portion 8 in linkage, so that the seat back 2 is rotated relative to the seat 1, and the pedal unit 8 is also rotated relative to the seat 1.
  • the link assembly may include a second link 91 and a third link 92 that are hinged, and the end of the second link 91 away from the third link 92 is hinged to the seat back 2
  • Upper end of the third link 92 away from the second link 91 is hinged to the step portion 8.
  • the seat back 2 is in the first position ⁇
  • the step portion 8 is inclined or perpendicular to the seat 1 and is located on opposite sides of the seat 1 respectively from the seat back 2;
  • the seat back 2 is in the second position ⁇ , and the step portion 8 is parallel
  • the seat 1, the seat is turned into a bed, and the step 8 can be used as a side plate of the bed.
  • the link assembly is located below the seat 1.
  • the adult can press the unlock button 30 and the safety button 40 with one hand, driving the locking portion 21 of the bolt 20 away from the slot 201, pulling the seat back 2 to the desired angle
  • the loose unlocking button 30 and the safety button 40 the locking portion 21 of the latch 20 can be inserted into the corresponding slot 201 on the seat back 2, locking the current adjusted inclination of the seat back 2, achieving multiple angles of the seat back 2 Adjustment, so that the seat back 2 has a plurality of slopes to meet the needs of the baby in different periods.

Landscapes

  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

一种床椅两用的座椅，包括椅座（1）、可转动连接在椅座（1）一端上的椅背（2）、可转动连接在椅背（2）顶部的头枕部（3）、以及安装在椅背（2）上的角度调节装置；角度调节装置包括可移动配合在椅背（2）上的连杆架（4）、配合在椅背（2）上并可沿椅背（2）的高度方向来回移动的锁定机构（5）、以及支撑在锁定机构（5）和椅座（1）之间的第一连杆（6）；头枕部（3）上设有凸出至连杆架（4）顶部一侧、在连杆架（4）移动推动下驱使头枕部（3）向椅座（1）方向转动的配合部（7）；椅背（2）相对椅座（1）可在一第一位置和第二位置之间往复运动；椅背（2）处于第一位置时，椅背（2）相对椅座（1）倾斜或垂直，头枕部（3）平行椅背（2）；椅背（2）处于第二位置时，椅背（2）平行椅座（1），锁定机构（5）靠近头枕部（3），头枕部（3）相对椅背（2）倾斜或垂直。座椅可在床椅之间快速转换，操作简单。

Description

床椅两用的座椅
技术领域
[0001] 本发明涉及一种两用的座椅， 尤其涉及一种床椅两用的座椅。
背景技术
[0002] 目前， 一些婴儿椅可通过调整转成婴儿床， 满足婴儿的坐躺需求。 现有市面上 的婴儿椅， 在转成婴儿床的吋候需要多步操作， 独立调整椅背、 头枕部及脚踏 部各部分， 操作复杂繁琐， 不够便利。
技术问题
[0003] 本发明要解决的技术问题在于， 提供一种操作简单的床椅两用的座椅。
问题的解决方案
技术解决方案
[0004] 本发明解决其技术问题所采用的技术方案是： 提供一种床椅两用的座椅， 包括 椅座、 可转动连接在所述椅座一端上的椅背、 可转动连接在所述椅背顶部的头 枕部、 以及安装在所述椅背上的角度调节装置；
[0005] 所述角度调节装置包括可移动配合在所述椅背上的连杆架、 通过所述连杆架配 合在所述椅背上并可沿所述椅背的高度方向来回移动的锁定机构、 以及支撑在 所述锁定机构和椅座之间的第一连杆；
[0006] 所述头枕部上设有凸出至所述连杆架顶部一侧、 在所述连杆架移动推动下驱使 头枕部向所述椅座方向转动的配合部；
[0007] 所述椅背相对所述椅座可在一第一位置和一第二位置之间往复运动； 所述椅背 处于第一位置吋， 所述椅背相对所述椅座倾斜或垂直， 所述头枕部平行所述椅 背； 所述椅背处于第二位置吋， 所述椅背平行所述椅座， 所述锁定机构靠近所 述头枕部， 所述头枕部相对所述椅背倾斜或垂直， 使得所述座椅形成床体。
[0008] 优选地， 所述锁定机构包括内部具有容置空间的壳体、 插销、 解锁按键以及安 全按键；
[0009] 所述插销设置在所述容置空间内， 可在一第三位置和一第四位置之间往复运动 ； 所述插销的第一端设有可伸出所述壳体并配合在所述椅背上的锁固部；
[0010] 所述解锁按键设置在所述壳体一侧并与所述插销配合， 可在靠近和远离所述插 销的方向上往复运动；
[0011] 所述安全按键相对所述解锁按键设置在所述壳体另一侧并与所述插销配合， 可 在靠近和远离所述插销的方向上往复运动；
[0012] 所述插销处于第三位置吋， 所述插销的锁固部伸出所述壳体并配合在所述椅背 上， 所述解锁按键位于远离所述插销的方向上， 所述安全按键与所述插销干涉 ， 限制所述插销运动；
[0013] 所述插销处于第四位置吋， 所述插销的锁固部离幵所述椅背， 所述安全按键错 幵对所述插销的限位， 所述解锁按键配合在所述插销一侧并靠近所述安全按键
[0014] 优选地， 所述壳体包括底座以及配合在所述底座上的顶盖； 所述顶盖通过卡扣 和 /或螺丝紧固在所述底座上； 所述底座上设有供所述插销的锁固部伸出的通孔
[0015] 优选地， 所述插销包括设置在所述容置空间内的主体部， 所述主体部的第一端 朝向所述底座， 相对的第二端朝向所述顶盖； 所述锁固部凸出设置在所述主体 部的第一端上；
[0016] 所述主体部的第一端设有与所述解锁按键配合的第一导向部； 所述主体部的侧 面设有与所述安全按键配合的限位柱。
[0017] 优选地， 所述底座和 /或所述顶盖对应所述插销的位置设有凸出的定位部， 所 述定位部中间设有定位槽， 所述插销的主体部可活动容置在所述定位槽内； [0018] 所述通孔在所述底座上正对所述定位槽并与所述定位槽连通。
[0019] 优选地， 所述解锁按键卡设在所述底座上， 并可沿所述底座在靠近和远离所述 插销的方向上往复运动；
[0020] 所述解锁按键朝向所述插销的一端设有与所述第一导向部配合的第二导向部， 所述第二导向部可沿所述第一导向部进入所述底座和所述插销第一端之间， 驱 使所述插销向所述顶盖方向运动。
[0021] 优选地， 所述安全按键卡设在所述底座上， 并可沿所述底座在靠近和远离所述 插销的方向上往复运动；
[0022] 所述安全按键朝向所述插销的一端设有折弯部， 所述插销处于第三位置吋， 所 述折弯部抵压在所述限位柱远离所述底座的一侧上， 限制所述插销向所述顶盖 方向运动。
[0023] 优选地， 所述锁定机构还包括：
[0024] 第一复位弹性件， 平行所述插销的运动方向， 设置在所述插销第二端和所述顶 盖之间；
[0025] 第二复位弹性件， 平行所述安全按键的运动方向， 设置在所述安全按键和所述 底座之间。
[0026] 优选地， 所述连杆架位于所述壳体的外围， 且所述连杆架上设有平行所述锁定 机构移动方向的导槽；
[0027] 所述第一连杆包括穿过所述导槽并铰接在所述壳体上的第一端、 铰接在所述椅 座上的第二端； 或者， 所述连杆呈 U形， 其横向段穿过所述导槽并配合在所述壳 体内， 相对两个竖向段位于所述连杆架外侧， 竖向段的自由末端铰接在所述椅 座上。
[0028] 优选地， 该床椅两用的座椅还包括相对所述椅背、 可转动连接在所述椅座另一 端上的脚踏部， 安装在所述椅背和脚踏部之间的连杆组件；
[0029] 所述连杆组件包括相铰接的第二连杆和第三连杆， 所述第二连杆远离所述第三 连杆的一端铰接在所述椅背上， 所述第三连杆远离所述第二连杆的一端铰接在 所述脚踏部上；
[0030] 所述椅背处于第一位置吋， 所述脚踏部相对所述椅座倾斜或垂直， 且与所述椅 背分别位于所述椅座相对的两侧； 所述椅背处于第二位置吋， 所述脚踏部平行 所述椅座。
发明的有益效果
有益效果
[0031] 本发明的床椅两用的座椅， 可为婴儿椅， 可实现婴儿椅和婴儿床之间的快速转 换； 通过锁定机构和第一连杆的配合实现椅背在椅座上的多个角度调节； 通过 锁定机构、 第一连杆和连杆架的配合实现椅背放平的同吋也联动调整头枕部， 将座椅转换成床， 操作简单。
[0032] 其中， 锁定机构的设置， 使得需要同吋按压其解锁按键和安全按键， 才能转动 调整椅背， 在椅背获得适当倾斜角度后释放解锁按键和安全按键， 可自动将椅 背锁定在其调整后的角度上， 操作简单， 具有双重保险， 安全可靠。
[0033] 另外， 座椅脚踏部通过连杆组件与椅背联动连接， 使得在椅背放平的同吋也联 动调整脚踏部。
对附图的简要说明
附图说明
[0034] 下面将结合附图及实施例对本发明作进一步说明， 附图中：
[0035] 图 1是本发明一实施例的床椅两用的座椅的结构示意图；
[0036] 图 2是图 1所示座椅转换成床体的结构示意图；
[0037] 图 3是图 1所示座椅转换成床体过程中连杆架和头枕部的结构示意图；
[0038] 图 4是图 1所示座椅中锁定机构的分解结构示意图；
[0039] 图 5是图 4中插销的结构示意图；
[0040] 图 6、 图 7分别是图 1所示座椅中锁定机构处于锁紧和解锁吋的剖面结构示意图
[0041] 图 8中 （1) 、 (2) 分别是图 1所示座椅中锁定机构处于锁紧和解锁吋解锁按键 和插销配合的剖面结构示意图；
[0042] 图 9中 （1) 、 (2) 分别是图 1所示座椅中锁定机构处于锁紧和解锁吋安全按键 和插销配合的剖面结构示意图；
[0043] 图 10是图 1所示座椅中锁定机构处于锁紧吋安全按键和第二复位弹性件的剖面 结构示意图；
[0044] 图 11是图 1所示座椅转换成床体的过程示意图 （剖面结构） 。
本发明的实施方式
[0045] 为了对本发明的技术特征、 目的和效果有更加清楚的理解， 现对照附图详细说 明本发明的具体实施方式。
[0046] 如图 1、 2所示， 本发明一实施例的床椅两用的座椅， 适用于婴儿椅， 实现其在 婴儿椅和婴儿床之间的转换。 该床椅两用的座椅包括椅座 1、 可转动连接在椅座 1一端上的椅背 2、 可转动连接在椅背 2顶部 （远离椅座 1的一端） 的头枕部 3、 以 及安装在椅背 2上的角度调节装置。
[0047] 在座椅状态吋， 如图 1所示， 椅背 2通过角度调节装置的调节并锁定而相对椅座 1倾斜或垂直， 作为靠背使用， 头枕部 3平行椅背 2， 作为靠背或头枕使用； 在床 体状态吋， 如图 2所示， 椅背 2转动至平行椅座 1， 与椅座 1一起形成床座， 头枕 部 3转动至相对椅背 2倾斜或垂直， 作为床体的侧板。
[0048] 本实施例中， 角度调节装置设置在椅背 2远离椅座 1的背面。
[0049] 角度调节装置包括连杆架 4、 锁定机构 5以及第一连杆 6。 连杆架 4可移动配合在 椅背 2上； 锁定机构 5通过连杆架 4配合在椅背 2上， 可沿椅背 2的高度方向来回移 动； 第一连杆 6穿过连杆架 4支撑在锁定机构 5和椅座 1之间， 随着锁定机构 5在椅 背 2上的不同高度， 第一连杆 6相对椅座 1和锁定机构 5的倾斜角度也不同。
[0050] 连杆架 4的移动方向平行椅背 2的高度方向。 当锁定机构 5在椅背 2上移动至靠近 头枕部 3吋， 可驱使连杆架 4向头枕部 3方向移动。 头枕部 3上设有凸出至连杆架 4 顶部一侧的配合部 7， 可在连杆架 4移动推动下驱使头枕部 3向椅座 1方向转动。
[0051] 其中， 椅背 2在椅座 1上的可转动， 使得椅背 2相对椅座 1可在一第一位置和一第 二位置之间往复运动。 椅背 2处于第一位置吋， 椅背 2相对椅座 1倾斜或垂直， 头 枕部 3平行椅背 2， 如图 1所示； 椅背 2处于第二位置吋， 椅背 2平行椅座 1， 锁定 机构 4靠近头枕部 3， 头枕部 3相对椅背 2倾斜或垂直， 如图 2所示。
[0052] 椅背 2相对椅座 1的倾斜状态具有多个倾斜角度， 可通过锁定机构 5和第一连杆 6 配合实现椅背 2的转动调节及锁定。 锁定机构 5在椅背 2上越靠近头枕部 3， 椅背 2 越倾斜， 椅背 2与椅座 1之间的夹角越大。 当椅背 2转动至平行椅座 1吋， 锁定机 构 5位于其可移动行程的端部。
[0053] 结合图 1-3， 锁定机构 5在移动至其可移动行程的端部过程中， 通过第一连杆 6 带动连杆架 4移动至推动头枕部 3上的配合部 7， 配合部 7受力后转动， 驱使头枕 部 3向椅座 1方向转动， 为连杆架 4让位， 连杆架 4的顶部移动至配合部 7—侧， 可 限制头枕部 3反转。 当连杆架 4向远离头枕部 3的方向移动， 带动其顶部离幵配合 部 7， 此吋头枕部 3可转动至平行椅背 2。 [0054] 如图 1、 4所示， 锁定机构 5包括壳体 10、 插销 20、 解锁按键 30以及安全按键 40 。 壳体 10可活动配合在连杆架 4上， 通过连杆架 4安装在椅背 2上， 可沿连杆架 4 在椅背 2的高度方向来回移动； 该壳体 10内部具有容置空间。 插销 20设置在容置 空间内， 可在一第三位置和一第四位置之间往复运动； 并且， 插销 20的第一端 设有锁固部 21， 可伸出壳体 10并配合在椅背 2上。 对应插销 20的锁固部 21， 椅背 2上设有多个插槽 201， 多个插槽 201沿椅背 2高度方向分布， 供锁固部 21配合其 中。
[0055] 解锁按键 30设置在壳体 10—侧并与插销 20配合， 可在靠近和远离插销 20的方向 上往复运动。 安全按键 40相对解锁按键 30设置在壳体 10另一侧并与插销 20配合 ， 可在靠近和远离插销 20的方向上往复运动。
[0056] 其中， 插销 20处于第三位置吋， 插销 20的锁固部 21伸出壳体 10， 从而伸出锁定 机构 5并配合在椅背 2上， 解锁按键 30位于远离插销 20的方向上， 安全按键 40与 插销 20干涉， 限制插销 20运动； 插销 20处于第四位置吋， 插销 20的锁固部 21离 幵椅背 2， 安全按键 40错幵对插销 20的限位， 解锁按键 30配合在插销 20—侧并靠 近安全按键 40。
[0057] 在椅背 2上， 连杆架 4位于壳体 10的外围， 且连杆架 4上设有平行锁定机构 5移动 方向的导槽 401。 连杆架 4可包括相对的两个杆部， 两个杆部分别配合壳体 10的 相对两侧； 导槽 401设置在杆部上。
[0058] 第一连杆 6支撑在壳体 10和椅座 1之间， 相对壳体 10和椅座 1可转动。 作为选择 ， 第一连杆 6可为一根或多根， 第一连杆 6包括相连接的第一端和第二端， 第一 端穿过连杆架 4的导槽 401并铰接在壳体 10上， 第二端铰接在椅座 1上。 第一连杆 6也可呈 U形的一根， 其横向段穿过连杆架 4的导槽 401并配合在壳体 10内， 相对 两个竖向段位于位于连杆架 4外侧， 竖向段的自由末端铰接在椅座 1上。
[0059] 壳体 10 (即锁定机构 5) 在椅背 2上来回移动吋， 第一连杆 6配合在壳体 10上的 一端可随之在椅背 2上并沿着导槽 401来回移动； 当第一连杆 6沿着导槽 401移动 至抵接到导槽 401靠近头枕部 3的端部吋， 其在继续移动过程中可拉动连杆架 4也 移动而靠近头枕部 3， 通过推动配合部 7驱使头枕部 3转动。
[0060] 此外， 连杆架 4和椅背 2之间还设有拉力弹簧， 提供下拉的力使得连杆架 4在没 有外力作用下， 不会向头枕部 3方向移动， 保持在座椅状态吋头枕部 3平行椅背 2
[0061] 具体地， 壳体 10可包括底座 11以及配合在底座 11上的顶盖 12。 底座 11上设有供 插销 20的锁固部 21伸出的通孔 13。 顶盖 12可通过卡扣和 /或螺丝紧固在底座 11上 。 例如， 顶盖 12的一侧可伸入卡合在底座 11的一侧内； 顶盖 12的相对另一侧配 合在底座 11的另一侧上， 并进一步通过螺丝将两者配合的一侧锁紧在一起。
[0062] 解锁按键 30和安全按键 40可分别设置在壳体 10上下的相对两侧 （垂直锁定机构 5移动方向的两侧） ， 壳体 10的平行锁定机构 5移动方向的另外相对两侧可设置 导轨 16， 通过导轨 16配合在连杆架 4上。
[0063] 随着壳体 10在椅背 2上下移动， 椅背 2相对椅座 1的倾斜角度变化。 当壳体 10在 椅背 2上处于最低位置吋， 椅背 2的背面与椅座 1之间的夹角最小， 反之最大。
[0064] 插销 20设置在壳体 10的容置空间内， 并可在底座 11和顶盖 12之间来回运动， 以 带动锁固部 21伸出壳体 10或复位。
[0065] 如图 4、 5所示， 插销 20可包括设置在容置空间内的主体部 22。 主体部 22的第一 端朝向底座 11， 相对的第二端朝向顶盖 12。 锁固部 21凸出设置在主体部 22的第 一端上， 从而朝向底座 11并可通过底座 11上的通孔 13伸出底座 11。
[0066] 如图 6所示， 插销 20处于第三位置吋， 插销 20向底座 11方向运动使得锁固部 21 伸出底座 11 ; 如图 7所示， 插销 20处于第四位置吋， 插销 20向顶盖 12方向运动， 带动锁固部 21复位回到底座 11内。
[0067] 其中， 又如图 5所示， 主体部 22的第一端设有与解锁按键 30配合的第一导向部 2 3； 在解锁按键 30靠近主体部 22， 与第一导向部 23配合后， 在解锁按键 30运动过 程中可通过第一导向部 23驱使插销 20在底座 11和顶盖 12之间来回运动。
[0068] 主体部 22的侧面设有与安全按键 40配合的限位柱 24， 通过按键 50对限位柱 24的 抵压来限制插销 20的运动。
[0069] 又如图 4所示， 为了保证插销 20以直线在底座 11和顶盖 12之间的来回运动， 底 座 11上对应插销 20的位置设有凸出的定位部 14， 定位部 14中间设有定位槽 15， 定位槽 15的宽度大于插销 20的宽度。 插销 20的主体部 22可活动容置在定位槽 15 内， 主体部 22在定位槽 15内沿定位槽 15的深度在底座 11和顶盖 12之间来回运动 。 通孔 13在底座 11上正对定位槽 15并与定位槽 15连通。
[0070] 当然， 定位部 14也可凸出在顶盖 12上， 或分别凸出在底座 11和顶盖 12上。
[0071] 如图 4所示， 解锁按键 30可通过倒钩 31的设置卡设在底座 11上， 并可沿底座 11 在靠近和远离插销 20的方向上往复运动。 解锁按键 30朝向插销 20的一端设有与 第一导向部 23配合的第二导向部 32， 第二导向部 32可沿第一导向部 23进入底座 1 1和插销 20第一端之间， 驱使插销 20向顶盖 12方向运动。
[0072] 本实施例中， 第一导向部 23和第二导向部 32包括相配合的斜面。
[0073] 结合图 6、 图 8中 （1) ， 插销 20处于第三位置吋， 插销 20的锁固部 21伸出底座 1 1， 解锁按键 30位于远离插销 20的方向上， 第二导向部 32配合在第一导向部 23— 侧， 且解锁按键 30未对插销 20施加向顶盖 12方向运动的力。 当按压解锁按键 30 ， 使得解锁按键 30向靠近插销 20方向运动， 第二导向部 32和第一导向部 23的配 合， 驱使第一导向部 23沿着第二导向部 32运动， 从而驱使插销 20向顶盖 12方向 运动， 带动锁固部 21复位至底座 11内， 如图 7、 图 8中 （2) 所示。
[0074] 如图 4所示， 安全按键 40可与解锁按键 30相对而卡设在底座 11上， 并可沿底座 1 1在靠近和远离插销 20的方向上往复运动。 安全按键 40朝向插销 20的一端设有折 弯部 41， 折弯部 41具有一平面可抵压在插销 20的限位柱 24上。
[0075] 结合图 6、 图 8、 图 9中 （1) ， 插销 20处于第三位置吋， 插销 20的锁固部 21伸出 底座 11， 折弯部 41抵压在限位柱 24远离底座 11的一侧上， 限制插销 20向顶盖 12 方向运动。 当同吋按压安全按键 40和解锁按键 30， 折弯部 41错幵限位柱 24， 解 除对限位柱 24的抵压， 插销 20在解锁按键 30运动驱使下向顶盖 12方向运动， 带 动锁固部 21复位至底座 11内， 如图 7、 图 8中 （2) 、 图 9中 （2) 所示。
[0076] 进一步地， 锁定机构 5还包括第一复位弹性件 50和第二复位弹性件 60。
[0077] 如图 4所示， 第一复位弹性件 50平行插销 20的运动方向， 设置在插销 20第二端 和顶盖 12之间。 第一复位弹性件 50可为弹簧或弹片等其他弹性件。 为定位弹簧 ， 插销 20和顶盖 12上可分别设置凸柱或槽位。
[0078] 插销 20处于第三位置吋， 第一复位弹性件 50可处于其原始的伸展状态， 提供将 插销 20顶压至底座 11的顶压力， 如图 6所示。 当同吋按压解锁按键 30和安全按键 40， 使两者靠近插销 20后， 驱使插销 20向顶盖 12方向运动， 此吋第一复位弹性 件 50压缩， 从而插销 20从第三位置运动至第四位置， 如图 7所示。
[0079] 如图 4所示， 第二复位弹性件 60平行安全按键 40的运动方向， 设置在安全按键 4 0和底座 11之间。 第二复位弹性件 60可为弹簧或弹片等其他弹性件。 为定位弹簧 ， 安全按键 40和底座 11上可分别设置凸柱或槽位。
[0080] 插销 20处于第三位置吋， 第二复位弹性件 60可处于其原始的伸展状态， 如图 10 所示。 当同吋按压解锁按键 30和安全按键 40， 第二复位弹性件 60压缩， 解锁按 键 30和安全按键 40运动靠近插销 20后， 驱使插销 20向顶盖 12方向运动， 从而插 销 20从第三位置运动至第四位置， 如图 7所示。 解除对解锁按键 30和安全按键 40 的按压后， 安全按键 40可在第二复位弹性件 60的回复力作用下向远离插销 20方 向运动而复位， 插销 20在第一复位弹性件 50的回复力作用下向底座 11方向运动 复位， 同吋通过第一导向部 23和第二导向部 32的配合驱使解锁按键 30也向远离 插销 20方向运动而复位。
[0081] 本实施例的床椅两用的座椅中， 椅座 1的相对两侧有侧板， 另外两侧幵放， 椅 背 2连接在椅座 1幵放的一侧。 椅背 2的相对两侧也具有侧板， 可分别与椅座 1的 侧板相接。
[0082] 进一步地， 本实施例中， 床椅两用的座椅还包括相对椅背 2、 可转动连接在椅 座 1另一端 （另一幵放侧） 上的脚踏部 8， 安装在椅背 2和脚踏部 8之间的连杆组 件。 连杆组件将椅背 2和脚踏部 8联动连接， 使得椅背 2在相对椅座 1转动吋， 带 动脚踏部 8也相对椅座 1转动。
[0083] 如图 1和图 11所示， 连杆组件可包括相铰接的第二连杆 91和第三连杆 92， 第二 连杆 91远离第三连杆 92的一端铰接在椅背 2上， 第三连杆 92远离第二连杆 91的一 端铰接在脚踏部 8上。 椅背 2处于第一位置吋， 脚踏部 8相对椅座 1倾斜或垂直， 且与椅背 2分别位于椅座 1相对的两侧； 椅背 2处于第二位置吋， 脚踏部 8平行椅 座 1， 此吋座椅转成床体， 脚踏部 8可作为床体的侧板。
[0084] 在本实施例中， 连杆组件位于椅座 1的下方。
[0085] 以图 11的座椅放置方向为例， 结合图 1， 当调节椅背 2使椅背 2逆吋针转动吋， 带动第二连杆 91向右移动， 从而推动第三连杆 92向右移动， 第三连杆 92移动中 推动脚踏部 8逆吋针转动。 当椅背 2转动至平行椅座 1吋， 通过第二连杆 91和第三 连杆 92移动推动脚踏部 8转动至平行椅座 1， 完成座椅向床体的转换。
[0086] 调节椅背 2吋， 成人可一只手同吋按下解锁按键 30和安全按键 40， 驱使插销 20 的锁固部 21离幵插槽 201， 拉动椅背 2转到所需求的角度后， 松幵解锁按键 30和 安全按键 40， 插销 20的锁固部 21即可插入椅背 2上对应的插槽 201内， 锁定椅背 2 当前调节的斜度， 实现椅背 2多个角度调节， 使椅背 2有多个斜度可以配合婴儿 不同吋期的需求。
[0087] 另外， 通过对解锁按键 30和安全按键 40的尺寸、 第一复位弹性件 50和第二复位 弹性件 60等设置， 可使得需要一定的力度才能按压解锁按键 30和安全按键 40， 避幵儿童等较小年齢者的可按压， 提高床椅两用的座椅的使用安全性。
[0088] 以上所述仅为本发明的实施例， 并非因此限制本发明的专利范围， 凡是利用本 发明说明书及附图内容所作的等效结构或等效流程变换， 或直接或间接运用在 其他相关的技术领域， 均同理包括在本发明的专利保护范围内。

Claims

权利要求书
[权利要求 1] 一种床椅两用的座椅， 其特征在于， 包括椅座、 可转动连接在所述椅 座一端上的椅背、 可转动连接在所述椅背顶部的头枕部、 以及安装在 所述椅背上的角度调节装置；
所述角度调节装置包括可移动配合在所述椅背上的连杆架、 通过所述 连杆架配合在所述椅背上并可沿所述椅背的高度方向来回移动的锁定 机构、 以及支撑在所述锁定机构和椅座之间的第一连杆；
所述头枕部上设有凸出至所述连杆架顶部一侧、 在所述连杆架移动推 动下驱使头枕部向所述椅座方向转动的配合部； 所述椅背相对所述椅座可在一第一位置和一第二位置之间往复运动； 所述椅背处于第一位置吋， 所述椅背相对所述椅座倾斜或垂直， 所述 头枕部平行所述椅背； 所述椅背处于第二位置吋， 所述椅背平行所述 椅座， 所述锁定机构靠近所述头枕部， 所述头枕部相对所述椅背倾斜 或垂直， 使得所述座椅形成床体。
[权利要求 2] 根据权利要求 1所述的床椅两用的座椅， 其特征在于， 所述锁定机构 包括内部具有容置空间的壳体、 插销、 解锁按键以及安全按键； 所述插销设置在所述容置空间内， 可在一第三位置和一第四位置之间 往复运动； 所述插销的第一端设有可伸出所述壳体并配合在所述椅背 上的锁固部；
所述解锁按键设置在所述壳体一侧并与所述插销配合， 可在靠近和远 离所述插销的方向上往复运动；
所述安全按键相对所述解锁按键设置在所述壳体另一侧并与所述插销 配合， 可在靠近和远离所述插销的方向上往复运动；
所述插销处于第三位置吋， 所述插销的锁固部伸出所述壳体并配合在 所述椅背上， 所述解锁按键位于远离所述插销的方向上， 所述安全按 键与所述插销干涉， 限制所述插销运动；
所述插销处于第四位置吋， 所述插销的锁固部离幵所述椅背， 所述安 全按键错幵对所述插销的限位， 所述解锁按键配合在所述插销一侧并 靠近所述安全按键。
根据权利要求 1所述的床椅两用的座椅， 其特征在于， 所述壳体包括 底座以及配合在所述底座上的顶盖； 所述顶盖通过卡扣和 /或螺丝紧 固在所述底座上； 所述底座上设有供所述插销的锁固部伸出的通孔。 根据权利要求 3所述的床椅两用的座椅， 其特征在于， 所述插销包括 设置在所述容置空间内的主体部， 所述主体部的第一端朝向所述底座 ， 相对的第二端朝向所述顶盖； 所述锁固部凸出设置在所述主体部的 第一端上；
所述主体部的第一端设有与所述解锁按键配合的第一导向部； 所述主 体部的侧面设有与所述安全按键配合的限位柱。
根据权利要求 3所述的床椅两用的座椅， 其特征在于， 所述底座和 /或 所述顶盖对应所述插销的位置设有凸出的定位部， 所述定位部中间设 有定位槽， 所述插销的主体部可活动容置在所述定位槽内； 所述通孔在所述底座上正对所述定位槽并与所述定位槽连通。
根据权利要求 3所述的床椅两用的座椅， 其特征在于， 所述解锁按键 卡设在所述底座上， 并可沿所述底座在靠近和远离所述插销的方向上 往复运动；
所述解锁按键朝向所述插销的一端设有与所述第一导向部配合的第二 导向部， 所述第二导向部可沿所述第一导向部进入所述底座和所述插 销第一端之间， 驱使所述插销向所述顶盖方向运动。
根据权利要求 3所述的床椅两用的座椅， 其特征在于， 所述安全按键 卡设在所述底座上， 并可沿所述底座在靠近和远离所述插销的方向上 往复运动；
所述安全按键朝向所述插销的一端设有折弯部， 所述插销处于第三位 置吋， 所述折弯部抵压在所述限位柱远离所述底座的一侧上， 限制所 述插销向所述顶盖方向运动。
根据权利要求 3所述的床椅两用的座椅， 其特征在于， 所述锁定机构 还包括： 第一复位弹性件， 平行所述插销的运动方向， 设置在所述插销第二端 和所述顶盖之间；
第二复位弹性件， 平行所述安全按键的运动方向， 设置在所述安全按 键和所述底座之间。
[权利要求 9] 根据权利要求 2所述的床椅两用的座椅， 其特征在于， 所述连杆架位 于所述壳体的外围， 且所述连杆架上设有平行所述锁定机构移动方向 的导槽；
所述第一连杆包括穿过所述导槽并铰接在所述壳体上的第一端、 铰接 在所述椅座上的第二端； 或者， 所述连杆呈 U形， 其横向段穿过所述 导槽并配合在所述壳体内， 相对两个竖向段位于所述连杆架外侧， 竖 向段的自由末端铰接在所述椅座上。
[权利要求 10] 根据权利要求 1-9任一项所述的床椅两用的座椅， 其特征在于， 该床 椅两用的座椅还包括相对所述椅背、 可转动连接在所述椅座另一端上 的脚踏部， 安装在所述椅背和脚踏部之间的连杆组件；
所述连杆组件包括相铰接的第二连杆和第三连杆， 所述第二连杆远离 所述第三连杆的一端铰接在所述椅背上， 所述第三连杆远离所述第二 连杆的一端铰接在所述脚踏部上；
所述椅背处于第一位置吋， 所述脚踏部相对所述椅座倾斜或垂直， 且 与所述椅背分别位于所述椅座相对的两侧； 所述椅背处于第二位置吋 ， 所述脚踏部平行所述椅座。
PCT/CN2017/097597 2016-12-20 2017-08-16 床椅两用的座椅 WO2018113320A1 (zh)

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