CN109674276A - A kind of slidingtype head rest pushes away the electromechanical extension device of back - Google Patents

A kind of slidingtype head rest pushes away the electromechanical extension device of back Download PDF

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Publication number
CN109674276A
CN109674276A CN201910018589.0A CN201910018589A CN109674276A CN 109674276 A CN109674276 A CN 109674276A CN 201910018589 A CN201910018589 A CN 201910018589A CN 109674276 A CN109674276 A CN 109674276A
Authority
CN
China
Prior art keywords
head rest
plate
sliding rail
pushes away
transverse tube
Prior art date
Application number
CN201910018589.0A
Other languages
Chinese (zh)
Inventor
顾伟杰
张王良
Original Assignee
浙江飞力科技股份有限公司
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 浙江飞力科技股份有限公司 filed Critical 浙江飞力科技股份有限公司
Priority to CN201910018589.0A priority Critical patent/CN109674276A/en
Publication of CN109674276A publication Critical patent/CN109674276A/en

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C17/00Sofas; Couches; Beds
    • A47C17/86Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C20/00Head -, foot -, or like rests for beds, sofas or the like
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C20/00Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors

Abstract

The present invention provides the electromechanical extension devices that a kind of slidingtype head rest pushes away back.The structure that it solves existing something or somebody to fall back on backrest linkage device is too simple, can only simply release upwards something or somebody to fall back on, the technical problems such as using effect difference.This slidingtype head rest pushes away the electromechanical extension device of back, including left plate, right side plate and installation transverse tube, in the middle part of left plate and installation transverse tube left end is fixedly connected with, it is fixedly connected in the middle part of right side plate with installation transverse tube right end, left plate and right side plate are provided with head rest plate between the two and push away backboard, and head rest plate is in the top for pushing away backboard, the extension means one that head rest plate can make it be unfolded or pack up with one are connected, the extension means two that pushing away backboard can make it be unfolded or pack up with one are connected, and extension means one include left sliding rail, right sliding rail, left-hand rotation movable plate, right-hand rotation movable plate and upper linkage transverse tube.The present invention has the advantages that using effect is good.

Description

A kind of slidingtype head rest pushes away the electromechanical extension device of back

Technical field

The invention belongs to field of mechanical technique, it is related to the electromechanical extension device that a kind of slidingtype head rest pushes away back.

Background technique

Sofa is a kind of chair equipped with cushion, in people's daily life, has become a kind of very universal family Tool can be divided into function sofa, fixed back sofa, stepless self-controlled sofa, manual sofa and Electric sofa etc..With people's life water Flat continuous improvement, people are also higher and higher to the requirement of sofa, and sofa that is common and having a single function will be gradually by people Give up, in order to keep the function of sofa more sound, regulation performance is more flexible, can rest the head on the head rest waist in sofa and carry out individually It sets, the function of making it have expansion or pack up.

Through retrieving, as Chinese patent literature disclose a kind of something or somebody to fall back on backrest linkage device [application number: 201020209129.0;Publication number: CN 201718809U].This something or somebody to fall back on backrest linkage device, it is characterised in that: be provided with bottom Portion's connector, lifting connector, stops connector, backrest connecting bracket, pipe fitting and something or somebody to fall back on pipe fitting, bottom at drive connection part The rotation connection of one end of portion's connector and drive connection part, the other end of drive connection part and the one end for stopping connector, which rotate, to be connected It connects, the other end and lifting connector, backrest connecting bracket for stopping connector being rotatablely connected, backrest connecting bracket and backrest module It is fixedly connected, the other end and pipe fitting for going up and down connector are rotatablely connected, and pipe fitting is fixedly connected with something or somebody to fall back on pipe fitting, is stopped Limit pin is installed, lifting connector is equipped with lifting connector groove, and limit pin is located at lifting connector groove on connector In, backrest module is equipped with pilot hole, and something or somebody to fall back on pipe fitting passes through pilot hole.

Something or somebody to fall back on backrest linkage device disclosed in the patent is although convenient and practical, still, the something or somebody to fall back on backrest linkage device Structure is too simple, can only simply release upwards something or somebody to fall back on, and using effect is poor, therefore, designs a kind of slidingtype head rest and pushes away The electromechanical extension device of back is necessary.

Summary of the invention

The purpose of the present invention is there is the above problem in view of the prior art, the electricity that a kind of slidingtype head rest pushes away back is proposed Dynamic mechanical extending device, the electromechanical extension device have the characteristics that using effect is good.

Object of the invention can be realized by the following technical scheme: a kind of slidingtype head rest pushes away the electromechanical extension of back Device, including left plate, right side plate and installation transverse tube, in the middle part of left plate and installation transverse tube left end are fixedly connected with, in the middle part of right side plate and Installation transverse tube right end is fixedly connected with, and left plate and right side plate are provided with head rest plate between the two and push away backboard, and head rest plate is in and pushes away The top of backboard, head rest plate can make that it is unfolded or the extension means one packed up are connected with one, push away backboard and one can make its expansion or The extension means two packed up are connected, which is characterized in that the extension means one include left sliding rail, right sliding rail, left-hand rotation movable plate, turn right Movable plate and upper linkage transverse tube, left plate upper end have at least two left limit guide parts, and left sliding rail setting is on left plate upper end, a left side There is arc-shaped sliding slot one, the sliding of left limit guide part is located in sliding slot one, and left sliding rail upper end passes through finger in the middle part of sliding rail Component one is connected with head rest plate left end, and left sliding rail lower end is connected with left-hand rotation movable plate lower end, left-hand rotation movable plate upper end and upper linkage transverse tube Left end is fixedly connected with, and right side plate upper end has at least two right limit guide parts, and right sliding rail is arranged in right side plate upper end, right sliding rail Portion has arc-shaped sliding slot two, and the sliding of right limit guide part is located in arc chute two, and right sliding rail upper end passes through finger group Part two is connected with head rest plate right end, and right sliding rail lower end is connected with right-hand rotation movable plate lower end, and right-hand rotation movable plate upper end and upper linkage transverse tube are right End is fixedly connected with, and the driving structure one that upper linkage transverse tube can also drive it to move with one is connected.

Working principle of the present invention is as follows: drive linkage transverse tube mobile by driving structure one, upper linkage transverse tube drives Corresponding left-hand rotation movable plate and right-hand rotation movable plate are mobile, and left-hand rotation movable plate and right-hand rotation movable plate drive corresponding left sliding rail and right sliding rail mobile, Limition orientation is carried out to sliding slot one by left limit guide part, left sliding rail is made to form arcuate movement, meanwhile, it is oriented to by right limit Part carries out limition orientation to sliding slot two, so that right sliding rail is formed arcuate movement, that is, passes through the arc sliding of left sliding rail and right sliding rail, can Head rest plate is set to reach required angle and height, using effect is good.

The driving structure one includes push-rod electric machine one, the push rod end of push-rod electric machine one by detachable member one with it is upper It is hinged in the middle part of linkage transverse tube, the fuselage of push-rod electric machine one in the middle part of detachable member two and installation transverse tube by being hinged.

Using the above structure, the push rod for controlling push-rod electric machine one is mobile, and the push rod of push-rod electric machine one makes the transverse tube shifting that links It is dynamic;And the installation and removal of push-rod electric machine one can be facilitated by detachable member one and disassembly component two.

The extension means two include that a left side pushes away back connection sheet, the right side pushes away back connection sheet, left swing movable plate, right oscillating deck and lower linkage Transverse tube, a left side push away back connection sheet one end and push away backboard left end and be fixedly connected with, and a left side pushes away in the middle part of back connection sheet and the rotation of left swing movable plate lower end connects It connects, a left side, which pushes away the back connection sheet other end, also has left guide post part one, and left swing movable plate lower end also has guide groove one, and left guide post part one slides It is located in guide groove one, left swing movable plate upper end and the rotation connection of left plate lower end, left swing movable plate middle part and lower linkage transverse tube left end phase It is connected, the right side pushes away back connection sheet one end and pushes away backboard right end and is fixedly connected with, and the right side pushes away in the middle part of back connection sheet and the rotation of right oscillating deck lower end connects It connects, the right side, which pushes away the back connection sheet other end, also has right guide post part one, and right oscillating deck lower end also has guide groove two, and right guide post part two slides It is located in guide groove two, right oscillating deck upper end and the rotation connection of right side plate lower end, right oscillating deck middle part and lower linkage transverse tube right end phase It is connected, the driving structure two that lower linkage transverse tube can also drive it to move with one is connected.

Using the above structure, drive lower linkage transverse tube mobile by driving structure two, lower linkage transverse tube drives corresponding left Oscillating deck and the movement of right oscillating deck, left swing movable plate and the corresponding left side of right oscillating deck drive push away back connection sheet and the right side pushes away back connection sheet and moves Dynamic, a left side pushes away back connection sheet and the right side pushes away back connection sheet and drives accordingly and pushes away backboard movement, and during pushing away backboard and moving, due to A left side pushes away in the middle part of back connection sheet and the rotation connection of left swing movable plate lower end, the right side push away in the middle part of back connection sheet and the rotation of right oscillating deck lower end connects It connects, can make to push away backboard and moved in specified guide groove one and guide groove two by being used as rotation fulcrum at the rotation connection, pass through Left guide post part one and left guide post part two limit up and down, generate certain angle, push away height and angle that backboard reaches needs, Client is enabled to make to push away backboard to the function of automatically achieving adjusting angle and height by flexible bandage when installing.

The driving structure two includes push-rod electric machine two, and the push rod end of push-rod electric machine two is by detachable member three under It is hinged in the middle part of linkage transverse tube, the fuselage of push-rod electric machine two in the middle part of detachable member four and installation transverse tube by being hinged.

Using the above structure, the push rod for controlling push-rod electric machine two is mobile, and the push rod of push-rod electric machine two moves lower linkage transverse tube It is dynamic;And the installation and removal of push-rod electric machine two can be facilitated by detachable member three and disassembly component four.

The finger component one includes the left head rest installation sheet of anti-pinch hand-type and Zola's spring, the left head rest installation sheet of anti-pinch hand-type One end and head rest plate left end are fixedly connected with, and are rotatablely connected in the middle part of the left head rest installation sheet of anti-pinch hand-type with left sliding rail upper end, anti-pinch hand-type Also there is left guide post part two, left sliding rail upper end also has guide groove three, and the left sliding of guide post part two, which is located at, to be led in the middle part of left head rest installation sheet In slot three, the left head rest installation sheet other end of anti-pinch hand-type is connected by Zola's spring nail one with Zola's spring upper end, logical in the middle part of left sliding rail Zola's spring nail two is crossed to be connected with Zola's spring lower end;Finger component two includes the right head rest installation sheet of anti-pinch hand-type and right tension spring, is prevented Clamp hand type right head rest installation sheet one end and head rest plate right end are fixedly connected with, in the middle part of the right head rest installation sheet of anti-pinch hand-type and right sliding rail upper end Rotation connection, the right head rest installation sheet middle part of anti-pinch hand-type also have right guide post part two, and right sliding rail upper end also has guide groove four, and the right side is led The sliding of column two is located in guide groove four, and the right head rest installation sheet other end of anti-pinch hand-type passes through right tension spring nail one and right tension spring upper end phase Even, it is connected by right tension spring nail two with right tension spring lower end in the middle part of right sliding rail.

Using the above structure, due to the left head rest installation sheet middle part of anti-pinch hand-type and the rotation connection of left sliding rail upper end, finger It is rotatablely connected in the middle part of the right head rest installation sheet of type with right sliding rail upper end, anti-pinch can be made by being used as rotation fulcrum at rotation connection The left head rest installation sheet of hand-type and the right head rest installation sheet of anti-pinch hand-type move in specified guide groove three and guide groove four, pass through left guide post Part two and about two right guide post parts limit, and head rest plate can have certain activity point of view, and be carried out by Zola's spring and right tension spring It resets, so that the function of finger is played, it is highly-safe.

Also there is support rod between the left sliding rail lower end and right sliding rail lower end.

Using the above structure, synchronous and will not distort both when by support rod left sliding rail being moved with right sliding rail, it props up Support is reliable.

The left limit guide part is identical with the structure of right limit guide part, and left limit guide part includes rotation riveting rivet, modeling Expect bushing and plastic spacer.

Using the above structure, it can be achieved that the limition orientation of left limit guide part and right limit guide part acts on, meanwhile, it can be with Left sliding rail and right sliding rail is avoided to generate noise when moving.

The left guide post part one, right guide post part one, left guide post part two, the structure of right guide post part two are identical, left guide post part one Including step self-tapping screw and gasket.

The left sliding rail lower end is connected with left-hand rotation movable plate lower end by least two rivets one, is arranged with plastics on rivet one Bushing one;Right sliding rail lower end is connected with right-hand rotation movable plate lower end by least two rivets two, is arranged with plastic bushing on rivet two Two.

Using the above structure, by the structure of rivet one, rivet two, plastic bushing one and plastic bushing two, it can avoid it Noise is generated when movement.

The detachable member one includes pin shaft one and circlip one, and the push rod end of push-rod electric machine one has connecting hole one, It is fixed with installation sheet one in the middle part of upper linkage transverse tube, location hole one is offered on installation sheet one, one end of pin shaft one has protrusion Limiting section one, the other end of pin shaft one sequentially pass through connecting hole one and location hole one, and circlip one is connected to the other end of pin shaft one On;Detachable member two includes pin shaft two and circlip two, has interconnecting piece one on the fuselage of push-rod electric machine one, opens on interconnecting piece one Equipped with connecting hole two, installing has installation sheet two in the middle part of transverse tube, and location hole two, one end tool of pin shaft two are offered on installation sheet two There is the limiting section two of protrusion, the other end of pin shaft two sequentially passes through connecting hole two and location hole two, and circlip two is connected to pin shaft two The other end on.

Using the above structure, by the effect of pin shaft one and circlip one, push-rod electric machine one and upper linkage transverse tube two can be facilitated It is dismounted between person;By the effect of pin shaft two and circlip two, push-rod electric machine one can be facilitated to dismount between the two with installation transverse tube.

The detachable member three includes pin shaft three and circlip three, and the push rod end of push-rod electric machine two has connecting hole three, It is fixed with installation sheet three in the middle part of lower linkage transverse tube, location hole three is offered on installation sheet three, one end of pin shaft three has protrusion Limiting section three, the other end of pin shaft three sequentially pass through connecting hole three and location hole three, and circlip three is connected to the other end of pin shaft three On;Detachable member four includes pin shaft four and circlip four, has interconnecting piece two on the fuselage of push-rod electric machine two, opens on interconnecting piece two Equipped with connecting hole four, installing has installation sheet four in the middle part of transverse tube, and location hole four, one end tool of pin shaft four are offered on installation sheet four There is the limiting section four of protrusion, the other end of pin shaft four sequentially passes through connecting hole four and location hole four, and circlip four is connected to pin shaft four The other end on.

Using the above structure, by the effect of pin shaft three and circlip three, push-rod electric machine two and lower linkage transverse tube two can be facilitated It is dismounted between person;By the effect of pin shaft four and circlip four, push-rod electric machine two can be facilitated to dismount between the two with installation transverse tube.

Compared with prior art, the electromechanical extension device that this slidingtype head rest pushes away back has the advantages that this: in the present invention Drive linkage transverse tube mobile by driving structure one, upper linkage transverse tube drives corresponding left-hand rotation movable plate and right-hand rotation movable plate mobile, Left-hand rotation movable plate and right-hand rotation movable plate drive corresponding left sliding rail and right sliding rail mobile, are limited by left limit guide part sliding slot one Position guiding makes left sliding rail form arcuate movement, meanwhile, limition orientation is carried out to sliding slot two by right limit guide part, makes right cunning Rail forms arcuate movement, that is, passes through the arc sliding of left sliding rail and right sliding rail, head rest plate can be made to reach required angle and height, Using effect is good.

Detailed description of the invention

Fig. 1 is positive structure schematic of the invention.

Fig. 2 is structure schematic diagram of the invention.

Fig. 3 is the schematic perspective view of extension means one in the present invention.

Fig. 4 is the schematic perspective view that extension means one remove part in the present invention.

Fig. 5 is the schematic perspective view of left sliding rail and right sliding rail in the present invention.

Fig. 6 is the explosive view of left limit guide part in the present invention.

Fig. 7 is the schematic perspective view of left guide post part one in the present invention.

Fig. 8 is the schematic perspective view of extension means two in the present invention.

Fig. 9 is the schematic perspective view that extension means two remove part in the present invention.

In figure, 1, left plate;2, transverse tube is installed;3, push-rod electric machine two;4, backboard is pushed away;5, push-rod electric machine one;6, right side plate; 7, right limit guide part;8, right-hand rotation movable plate;9, right sliding rail;9a, sliding slot two;9b, guide groove four;10, right guide post part two;11, anti-pinch The right head rest installation sheet of hand-type;12, right tension spring;13, upper linkage transverse tube;14, Zola's spring;15, the left head rest installation sheet of anti-pinch hand-type; 16, left guide post part two;17, left sliding rail;17a, sliding slot one;17b, guide groove three;18, left limit guide part;18a, rotation riveting rivet; 18b, plastic bushing;18c, plastic spacer;19, left-hand rotation movable plate;20, support rod;21, right oscillating deck;21a, guide groove two;22, right Guide post part one;23, the right side pushes away back connection sheet;24, lower linkage transverse tube;25, a left side pushes away back connection sheet;26, left guide post part one;26a, step Self-tapping screw;26b, gasket;27, left swing movable plate;27a, guide groove one;28, Zola's spring nail two;29, Zola's spring nail one;30, right drawing Spring nail one;31, right tension spring nail two;32, circlip two;33, installation sheet two;34, pin shaft two;35, pin shaft one;36, installation sheet one; 37, circlip one;38, pin shaft four;39, installation sheet four;40, circlip four;41, circlip three;42, pin shaft three;43, installation sheet three.

Specific embodiment

Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.

As shown in figs. 1-9, this slidingtype head rest pushes away the electromechanical extension device of back, including left plate 1, right side plate 6 With installation transverse tube 2, in the present embodiment, left plate 1 or right side plate 6 are formed using one piece of plate punching press and bending, certainly, according to Performance, left plate 1 and right side plate 6 use two boards punching press and bending, and two boards are connected to one finally by fastener It rises and forms left plate 1 or right side plate 6, so as to reduce production cost;1 middle part of left plate and installation 2 left end of transverse tube are mutually solid Even, in the present embodiment, it is fixedly connected in the middle part of left plate 1 by fastener and installation 2 left end of transverse tube;6 middle part of right side plate and installation 2 right end of transverse tube is fixedly connected with, and in the present embodiment, is fixedly connected in the middle part of right side plate 6 by fastener and installation 2 right end of transverse tube;Left side Plate 1 and right side plate 6 are provided with head rest plate between the two and push away backboard 4, and head rest plate is in the top for pushing away backboard 4, head rest plate and One can make that it is unfolded or the extension means one packed up are connected, and push away the extension means two-phase that backboard 4 can make its expansion or pack up with one Even, extension means one include left sliding rail 17, right sliding rail 9, left-hand rotation movable plate 19, right-hand rotation movable plate 8 and upper linkage transverse tube 13, left plate 1 Upper end has at least two left limit guide parts 18, and in the present embodiment, the quantity of left limit guide part 18 is two;Left cunning Rail 17, which is arranged in the middle part of 1 upper end of left plate, left sliding rail 17, has arc-shaped one 17a of sliding slot, and the sliding of left limit guide part 18 is set In one 17a of sliding slot, left 17 upper end of sliding rail is connected by finger component one with head rest plate left end, left 17 lower end of sliding rail and a left side 19 lower end of rotatable lamella is connected, and 19 upper end of left-hand rotation movable plate and upper 13 left end of linkage transverse tube are fixedly connected with, and in the present embodiment, turns left dynamic 19 upper end of piece is fixedly connected with upper 13 left end of linkage transverse tube by welding;6 upper end of right side plate has at least two right limits Guide part 7, in the present embodiment, the quantity of right limit guide part 7 are two;Right sliding rail 9 is arranged in 6 upper end of right side plate, right cunning There is arc-shaped two 9a of sliding slot, the sliding of right limit guide part 7 is located in two 9a of arc chute, right 9 upper end of sliding rail in the middle part of rail 9 It is connected by finger component two with head rest plate right end, right 9 lower end of sliding rail is connected with 8 lower end of right-hand rotation movable plate, on right-hand rotation movable plate 8 End and upper 13 right end of linkage transverse tube are fixedly connected with, and in the present embodiment, 8 upper end of right-hand rotation movable plate is horizontal with upper linkage by welding 13 right end of pipe is fixedly connected with;The driving structure one that upper linkage transverse tube 13 can also drive it to move with one is connected.

Driving structure one includes push-rod electric machine 1, and the push rod end of push-rod electric machine 1 passes through detachable member one and the first line of a couplet It is hinged in the middle part of dynamic transverse tube 13, the fuselage of push-rod electric machine 1 in the middle part of detachable member two and installation transverse tube 2 by being hinged;It adopts With the structure, the installation and removal of push-rod electric machine 1 can be facilitated by detachable member one and disassembly component two;Certainly, according to Performance, driving structure one also use other existing structures.

Extension means two include a left side push away back connection sheet 25, the right side push away back connection sheet 23, left swing movable plate 27, right oscillating deck 21 and under Link transverse tube 24, and a left side pushes away back 25 one end of connection sheet and pushes away 4 left end of backboard and is fixedly connected with, and in the present embodiment, a left side pushes away back connection sheet 25 One end, which passes through fastener and pushes away 4 left end of backboard, to be fixedly connected with;A left side pushes away 25 middle part of back connection sheet and the rotation of 27 lower end of left swing movable plate connects It connects, a left side, which pushes away back 25 other end of connection sheet, also has left guide post part 1, and 27 lower end of left swing movable plate also has one 27a of guide groove, and a left side is led The sliding of column 1 is located in one 27a of guide groove, 27 upper end of left swing movable plate and the rotation connection of 1 lower end of left plate, in left swing movable plate 27 Portion and lower 24 left end of linkage transverse tube are fixedly connected with, in the present embodiment, the middle part of left swing movable plate 27 by welding with lower linkage 24 left end of transverse tube is fixedly connected with;The right side pushes away back 23 one end of connection sheet and pushes away 4 right end of backboard and is fixedly connected with, and in the present embodiment, the right side pushes away back and connects 23 one end of contact pin, which passes through fastener and pushes away 4 right end of backboard, to be fixedly connected with;The right side pushes away 23 middle part of back connection sheet and right 21 lower end of oscillating deck turns Dynamic connection, the right side, which pushes away back 23 other end of connection sheet, also has right guide post part 1, and right 21 lower end of oscillating deck also has two 21a of guide groove, The right sliding of guide post part 2 10 is located in two 21a of guide groove, right 21 upper end of oscillating deck and the rotation connection of 6 lower end of right side plate, right oscillating deck 21 middle parts and lower 24 right end of linkage transverse tube are fixedly connected with, and in the present embodiment, right 21 middle part of oscillating deck is by welding under Linkage 24 right end of transverse tube is fixedly connected with;The driving structure two that lower linkage transverse tube 24 can also drive it to move with one is connected.

Driving structure two includes push-rod electric machine 23, and the push rod end of push-rod electric machine 23 passes through detachable member three and the second line of a couplet It is hinged in the middle part of dynamic transverse tube 24, the fuselage of push-rod electric machine 23 in the middle part of detachable member four and installation transverse tube 2 by being hinged;It adopts With the structure, the installation and removal of push-rod electric machine 23 can be facilitated by detachable member three and disassembly component four;Certainly, according to Performance, driving structure two also use other existing structures.

Finger component one includes the left head rest installation sheet 15 of anti-pinch hand-type and Zola's spring 14, the left head rest installation sheet of anti-pinch hand-type 15 one end and head rest plate left end are fixedly connected with, in the present embodiment, left 15 one end of head rest installation sheet of anti-pinch hand-type by fastener and Head rest plate left end is fixedly connected with;Left 15 middle part of head rest installation sheet of anti-pinch hand-type and the rotation connection of left 17 upper end of sliding rail, anti-pinch hand-type are left 15 middle part of head rest installation sheet also has left guide post part 2 16, and left 17 upper end of sliding rail also has three 17b of guide groove, left guide post part 2 16 Sliding is located in three 17b of guide groove, and left 15 other end of head rest installation sheet of anti-pinch hand-type passes through on Zola's spring nail 1 and Zola's spring 14 End is connected, and is connected by Zola's spring nail 2 28 with 14 lower end of Zola's spring in the middle part of left sliding rail 17;Finger component two includes finger The right head rest installation sheet 11 of type and right tension spring 12, right 11 one end of head rest installation sheet of anti-pinch hand-type and head rest plate right end are fixedly connected with, at this In embodiment, right 11 one end of head rest installation sheet of anti-pinch hand-type is fixedly connected with by fastener and head rest plate right end;The right head of anti-pinch hand-type It is rotatablely connected by 11 middle part of installation sheet and right 9 upper end of sliding rail, right 11 middle part of head rest installation sheet of anti-pinch hand-type also has right guide post part 2 10, right 9 upper end of sliding rail also has four 9b of guide groove, and the right sliding of guide post part 2 10 is located in four 9b of guide groove, the right head rest of anti-pinch hand-type 11 other end of installation sheet is connected by right tension spring nail 1 with right 12 upper end of tension spring, passes through right tension spring nail 2 31 in the middle part of right sliding rail 9 It is connected with right 12 lower end of tension spring;Using the structure, since left 15 middle part of head rest installation sheet of anti-pinch hand-type and left 17 upper end of sliding rail turn Dynamic connection, right 11 middle part of head rest installation sheet of anti-pinch hand-type and the rotation connection of 9 upper end of right sliding rail, can pass through conduct at rotation connection Rotation fulcrum, make the left head rest installation sheet 15 of anti-pinch hand-type and the right head rest installation sheet 11 of anti-pinch hand-type in specified three 17b of guide groove and Movement in four 9b of guide groove, is limited by left guide post part 2 16 and about 2 10 right guide post part, and head rest plate can have certain activity Angle, and resetted by Zola's spring 14 and right tension spring 12, so that the function of finger is played, it is highly-safe.

Also there is support rod 20, in the present embodiment, left 17 lower end of sliding rail between 9 lower end of left 17 lower end of sliding rail and right sliding rail It is fixedly connected with by fastener and 20 left end of support rod, right 9 lower end of sliding rail is fixedly connected with by fastener and 20 right end of support rod;Using The structure, synchronous both when by support rod 20 left sliding rail 17 being moved with right sliding rail 9 and will not distort, support is reliable.

Left limit guide part 18 is identical with the structure of right limit guide part 7, and left limit guide part 18 includes rotation riveting rivet 18a, plastic bushing 18b and plastic spacer 18c;Using the structure, it can be achieved that left limit guide part 18 and right limit guide part 7 Limition orientation effect, meanwhile, noise is generated when can move to avoid left sliding rail 17 and right sliding rail 9.

Left guide post part 1, right guide post part 1, left guide post part 2 16, the structure of right guide post part 2 10 are identical, left guide post Part 1 includes step self-tapping screw 26a and gasket 26b.

Left 17 lower end of sliding rail is connected with 19 lower end of left-hand rotation movable plate by least two rivets one, in the present embodiment, rivet One quantity is two;Plastic bushing 18b mono- is arranged on rivet one;Right 9 lower end of sliding rail and 8 lower end of right-hand rotation movable plate are by extremely Few two rivets two are connected, and in the present embodiment, the quantity of rivet two is two;Plastic bushing 18b bis- is arranged on rivet two; Using the structure, by the structure of rivet one, rivet two, plastic bushing 18b mono- and plastic bushing 18b bis-, its movement can avoid When generate noise.

Detachable member one includes pin shaft 1 and circlip 1, and the push rod end of push-rod electric machine 1 has connecting hole one, It is fixed with installation sheet 1 in the middle part of upper linkage transverse tube 13, location hole one, one end tool of pin shaft 1 are offered on installation sheet 1 There is the limiting section one of protrusion, the other end of pin shaft 1 sequentially passes through connecting hole one and location hole one, and circlip 1 is connected to pin On the other end of axis 1;Detachable member two includes pin shaft 2 34 and circlip 2 32, is had on the fuselage of push-rod electric machine 1 Interconnecting piece one offers connecting hole two on interconnecting piece one, and installing has installation sheet 2 33 in the middle part of transverse tube 2, opens on installation sheet 2 33 Equipped with location hole two, one end of pin shaft 2 34 has the limiting section two of protrusion, and the other end of pin shaft 2 34 sequentially passes through connecting hole Two and location hole two, circlip 2 32 be connected on the other end of pin shaft 2 34;Using the structure, pass through pin shaft 1 and circlip one 37 effect can facilitate push-rod electric machine 1 to dismount between the two with upper linkage transverse tube 13;Pass through pin shaft 2 34 and circlip 2 32 Effect, can facilitate push-rod electric machine 1 with installation transverse tube 2 dismount between the two.

Detachable member three includes pin shaft 3 42 and circlip 3 41, and the push rod end of push-rod electric machine 23 has connecting hole three, It is fixed with installation sheet 3 43 in the middle part of lower linkage transverse tube 24, location hole three, one end tool of pin shaft 3 42 are offered on installation sheet 3 43 There is the limiting section three of protrusion, the other end of pin shaft 3 42 sequentially passes through connecting hole three and location hole three, and circlip 3 41 is connected to pin On the other end of axis 3 42;Detachable member four includes pin shaft 4 38 and circlip 4 40, is had on the fuselage of push-rod electric machine 23 Interconnecting piece two offers connecting hole four on interconnecting piece two, and installing has installation sheet 4 39 in the middle part of transverse tube 2, opens on installation sheet 4 39 Equipped with location hole four, one end of pin shaft 4 38 has the limiting section four of protrusion, and the other end of pin shaft 4 38 sequentially passes through connecting hole Four and location hole four, circlip 4 40 be connected on the other end of pin shaft 4 38;Using the structure, pass through pin shaft 3 42 and circlip three 41 effect can facilitate push-rod electric machine 23 to dismount between the two with lower linkage transverse tube 24;Pass through pin shaft 4 38 and circlip 4 40 Effect, can facilitate push-rod electric machine 23 with installation transverse tube 2 dismount between the two.

Working principle of the present invention is as follows: the push rod of control push-rod electric machine 1 is mobile, and the push rod of push-rod electric machine 1 makes The transverse tube 13 that links is mobile, and upper linkage transverse tube 13 drives corresponding left-hand rotation movable plate 19 and right-hand rotation movable plate 8 mobile, left-hand rotation movable plate 19 and the right side Rotatable lamella 8 drives corresponding left sliding rail 17 and right sliding rail 9 mobile, is limited by left limit guide part 18 to one 17a of sliding slot Guiding makes left sliding rail 17 form arcuate movement, meanwhile, limition orientation is carried out to two 9a of sliding slot by right limit guide part 7, makes the right side Sliding rail 9 forms arcuate movement, that is, passes through the arc sliding of left sliding rail 17 and right sliding rail 9, head rest plate can be made to reach required angle And height;The push rod for controlling push-rod electric machine 23 is mobile, and the push rod of push-rod electric machine 23 keeps lower linkage transverse tube 24 mobile, and lower linkage is horizontal Pipe 24 drives corresponding left swing movable plate 27 and right oscillating deck 21 mobile, and left swing movable plate 27 and right oscillating deck 21 drive a corresponding left side to push away It carries on the back connection sheet 25 and the right side pushes away the back movement of connection sheet 23, a left side pushes away back connection sheet 25 and the right side pushes away corresponding drive of back connection sheet 23 and pushes away back Plate 4 moves, and during pushing away the movement of backboard 4, since a left side pushes away 25 middle part of back connection sheet and 27 lower end of left swing movable plate rotation company Connect, the right side pushes away back connection sheet 23 middle part and the rotation connection of 21 lower end of right oscillating deck, can by the rotation connection as rotation branch Point, makes to push away backboard 4 and moves in specified two 21a of one 27a of guide groove and guide groove, passes through left guide post part 1 and left guide post part two 16 carry out limit up and down, generate certain angle, push away height and angle that backboard 4 reaches needs, so that client passes through when installing Flexible bandage enables to push away backboard 4 to the function of automatically achieving adjusting angle and height.

For the structure in the present invention, according to actual needs, it can only assemble extension means one or only assemble and stretch Open up mechanism two;Or extension means one and extension means two are assembled simultaneously.

Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (9)

1. a kind of slidingtype head rest pushes away the electromechanical extension device of back, including left plate, right side plate and installation transverse tube, left plate Middle part and installation transverse tube left end are fixedly connected with, and are fixedly connected in the middle part of right side plate with installation transverse tube right end, both left plate and right side plate it Between be provided with head rest plate and push away backboard, and head rest plate is in the top for pushing away backboard, and head rest plate can make its expansion with one or pack up Extension means one are connected, and the extension means two that pushing away backboard can make it be unfolded or pack up with one are connected, which is characterized in that the stretching, extension Mechanism one includes left sliding rail, right sliding rail, left-hand rotation movable plate, right-hand rotation movable plate and upper linkage transverse tube, and left plate upper end has at least two Left limit guide part, left sliding rail setting have arc-shaped sliding slot one, left limit guide part in the middle part of left plate upper end, left sliding rail Sliding is located in sliding slot one, and left sliding rail upper end is connected by finger component one with head rest plate left end, left sliding rail lower end and left-hand rotation Movable plate lower end is connected, and left-hand rotation movable plate upper end and upper linkage transverse tube left end are fixedly connected with, and right side plate upper end has at least two right limits Guide part, right sliding rail setting have arc-shaped sliding slot two in the middle part of right side plate upper end, right sliding rail, and the sliding of right limit guide part is set In arc chute two, right sliding rail upper end is connected by finger component two with head rest plate right end, and right sliding rail lower end and right-hand rotation are dynamic Piece lower end is connected, and right-hand rotation movable plate upper end and upper linkage transverse tube right end are fixedly connected with, and upper linkage transverse tube can also drive it to move with one Driving structure one is connected.
2. the electromechanical extension device that slidingtype head rest according to claim 1 pushes away back, which is characterized in that the driving Structure one includes push-rod electric machine one, and the push rod end of push-rod electric machine one in the middle part of detachable member one and upper linkage transverse tube by mutually cutting with scissors It connects, the fuselage of push-rod electric machine one in the middle part of detachable member two and installation transverse tube by being hinged.
3. the electromechanical extension device that slidingtype head rest according to claim 1 pushes away back, which is characterized in that the stretching, extension Mechanism two includes that a left side pushes away back connection sheet, the right side pushes away back connection sheet, left swing movable plate, right oscillating deck and lower linkage transverse tube, and a left side pushes away back connection It piece one end and pushes away backboard left end and is fixedly connected with, a left side pushes away in the middle part of back connection sheet and the rotation connection of left swing movable plate lower end, and a left side pushes away back connection sheet The other end also has left guide post part one, and left swing movable plate lower end also has guide groove one, and the left sliding of guide post part one is located in guide groove one, left Oscillating deck upper end and the rotation connection of left plate lower end, left swing movable plate middle part and lower linkage transverse tube left end are fixedly connected with, and the right side pushes away back connection It piece one end and pushes away backboard right end and is fixedly connected with, the right side pushes away in the middle part of back connection sheet and the rotation connection of right oscillating deck lower end, and the right side pushes away back connection sheet The other end also has right guide post part one, and right oscillating deck lower end also has guide groove two, and the right sliding of guide post part two is located in guide groove two, right Oscillating deck upper end and the rotation connection of right side plate lower end, right oscillating deck middle part and lower linkage transverse tube right end are fixedly connected with, lower linkage transverse tube The driving structure two that can also drive it to move with one is connected.
4. the electromechanical extension device that slidingtype head rest according to claim 3 pushes away back, which is characterized in that the driving Structure two includes push-rod electric machine two, and the push rod end of push-rod electric machine two in the middle part of detachable member three and lower linkage transverse tube by mutually cutting with scissors It connects, the fuselage of push-rod electric machine two in the middle part of detachable member four and installation transverse tube by being hinged.
5. the electromechanical extension device that slidingtype head rest according to claim 3 pushes away back, which is characterized in that the anti-pinch Hand component one includes the left head rest installation sheet of anti-pinch hand-type and Zola's spring, anti-pinch hand-type left head rest installation sheet one end and head rest plate left end It is fixedly connected with, is rotatablely connected in the middle part of the left head rest installation sheet of anti-pinch hand-type with left sliding rail upper end, in the middle part of the left head rest installation sheet of anti-pinch hand-type Also there is left guide post part two, left sliding rail upper end also has guide groove three, and the left sliding of guide post part two is located in guide groove three, and anti-pinch hand-type is left The head rest installation sheet other end is connected by Zola's spring nail one with Zola's spring upper end, passes through Zola's spring nail two and Zola in the middle part of left sliding rail Spring lower end is connected;Finger component two includes the right head rest installation sheet of anti-pinch hand-type and right tension spring, the right head rest installation sheet of anti-pinch hand-type One end and head rest plate right end are fixedly connected with, and are rotatablely connected in the middle part of the right head rest installation sheet of anti-pinch hand-type with right sliding rail upper end, anti-pinch hand-type Also there is right guide post part two, right sliding rail upper end also has guide groove four, and the right sliding of guide post part two, which is located at, to be led in the middle part of right head rest installation sheet In slot four, the right head rest installation sheet other end of anti-pinch hand-type is connected by right tension spring nail one with right tension spring upper end, logical in the middle part of right sliding rail Right tension spring nail two is crossed to be connected with right tension spring lower end.
6. the electromechanical extension device that slidingtype head rest according to claim 1 pushes away back, which is characterized in that the left cunning Also there is support rod between rail lower end and right sliding rail lower end.
7. the electromechanical extension device that slidingtype head rest according to claim 1 pushes away back, which is characterized in that the left limit Position guide part is identical with the structure of right limit guide part, and left limit guide part includes rotation riveting rivet, plastic bushing and plastic spacer.
8. the electromechanical extension device that slidingtype head rest according to claim 5 pushes away back, which is characterized in that lead on the left side Column one, right guide post part one, left guide post part two, the structure of right guide post part two are identical, and left guide post part one includes step self-tapping screw And gasket.
9. the electromechanical extension device that slidingtype head rest according to claim 1 pushes away back, which is characterized in that the left cunning Rail lower end is connected with left-hand rotation movable plate lower end by least two rivets one, and plastic bushing one is arranged on rivet one;Under right sliding rail End is connected with right-hand rotation movable plate lower end by least two rivets two, and plastic bushing two is arranged on rivet two.
CN201910018589.0A 2019-01-09 2019-01-09 A kind of slidingtype head rest pushes away the electromechanical extension device of back CN109674276A (en)

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CN201910018589.0A CN109674276A (en) 2019-01-09 2019-01-09 A kind of slidingtype head rest pushes away the electromechanical extension device of back
PCT/CN2019/122441 WO2020143362A1 (en) 2019-01-09 2019-12-02 Electric-powered mechanically slidable expansion device for headrest and ratchet back mechanism

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WO2020143362A1 (en) * 2019-01-09 2020-07-16 浙江飞力科技股份有限公司 Electric-powered mechanically slidable expansion device for headrest and ratchet back mechanism

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CN109674276A (en) * 2019-01-09 2019-04-26 浙江飞力科技股份有限公司 A kind of slidingtype head rest pushes away the electromechanical extension device of back

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020143362A1 (en) * 2019-01-09 2020-07-16 浙江飞力科技股份有限公司 Electric-powered mechanically slidable expansion device for headrest and ratchet back mechanism

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