CN204580569U - A kind ofly lean against protruding adjustable seat - Google Patents

A kind ofly lean against protruding adjustable seat Download PDF

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Publication number
CN204580569U
CN204580569U CN201520294522.7U CN201520294522U CN204580569U CN 204580569 U CN204580569 U CN 204580569U CN 201520294522 U CN201520294522 U CN 201520294522U CN 204580569 U CN204580569 U CN 204580569U
Authority
CN
China
Prior art keywords
fagging
curtain
gear
axle
seat
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN201520294522.7U
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Chinese (zh)
Inventor
何军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Vocational and Technical College
Original Assignee
Sichuan Vocational and Technical College
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 Sichuan Vocational and Technical College filed Critical Sichuan Vocational and Technical College
Priority to CN201520294522.7U priority Critical patent/CN204580569U/en
Application granted granted Critical
Publication of CN204580569U publication Critical patent/CN204580569U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Lean against a protruding adjustable seat, primarily of seat cushion, seat board, foot rest, backrest, form by curtain, fagging, fagging axle, gear, tumbler gear, tooth bar, handle.Be with the rope of elastic to wear by many by block by curtain even to make.Be fixed in backrest by the upper and lower limit of curtain.By being provided with two groups of faggings after curtain.Fagging straight flange is mounted with fagging axle, and that limit relative with fagging axle is the curved surface of an outwardly convex.Below fagging axle, gear is installed.One of them fagging shaft gear is meshed with a tumbler gear.Engage with gear and tumbler gear respectively by a toothed rack.One rhizoid bar, through nut seat, is flexibly connected with tooth bar.The handle of shake screw mandrel termination, can make tooth bar move to left or move to right, and drives fagging to being parallel to by the direction of curtain or rotating perpendicular to the direction by curtain, makes to regain straight or outwardly convex by curtain.This seat can use for the different crowd liking height to lean against and not like height to lean against.

Description

A kind ofly lean against protruding adjustable seat
Art
The utility model belongs to chair art, particularly a kind ofly leans against protruding adjustable seat.
Background technology
The seat of the seat around existing seat, especially Domestic dining table and beach, Condom, leans against and only has a kind of shape mostly separately, or to recurve or slightly-inclined is straight or slightly convex arch.The people that present people suffer from lumbar vertebra disease is more, and particularly, the elderly, what have is sitting on chair, always likes with a pad group pad leaning against at seat.Like this, they can feel comfortable.But present most of seat back does not have outwardly convex part, or not protruding, can not meet part population to the requirement leaning against degree of convexity, bring uncomfortable sensation to them.
Summary of the invention
The purpose of this utility model is to provide and a kind ofly leans against the adjustable seat of bossing, is both applicable to suffering from lumbar vertebra disease and likes leaning against protruding high crowd, be applicable to again not suffering from lumbar vertebra disease and most young crowd use.
The utility model is achieved in that and a kind ofly leans against protruding adjustable seat, primarily of seat cushion, seat board, foot rest, backrest, by curtain, fagging, fagging axle, gear, tumbler gear, tooth bar, handle composition, the needs according to people can change seat outwardly convex degree with handle.Here with tradition old-fashioned by seat cushion, seat board, lean against, seat that foot rest forms describes.On leaning against, arranging a width by curtain, is wear Lian Duogen by the rope of band elastic to make by block by curtain.By curtain top be arranged on the upper, lower horizontal frame of backrest below.By being provided with fagging after curtain.Fagging one side is straight flange from top to bottom.Fagging straight flange is mounted with fagging axle.Fagging axle upper and lower end is provided with axle sleeve.The upper and lower axle sleeve of fagging axle is arranged on the upper, lower horizontal frame of backrest respectively.That limit facing to fagging axle on fagging is a curve.Curve becomes the smooth form of an outwardly convex from top to bottom.Fagging and fagging axle have Second Mate, are arranged on side by side on the upper and lower frame of backrest, have certain distance each other.The transmission mechanism that fagging rotates is made up of rack and pinion and tumbler gear.A gear is installed below fagging axle separately.Pinion rotation makes fagging axle rotate.The gear side of a fagging axle there is also mounted a tumbler gear.Support installing, below backrest, support has been installed the fairlead of tooth bar.Be provided with tooth bar in fairlead, the tumbler gear that tooth bar matches with gear and another root fagging shaft gear of a fagging axle is meshed.Tooth bar one end is flexibly connected with screw mandrel.The nut of screw mandrel is fixed on the support below backrest.Screw mandrel outer end is connected with handle.Swinging handle, screw mandrel pulls tooth bar to move horizontally, and rack drives gear and tumbler gear rotate, and two pairs of faggings are all rotated towards the direction parallel with by curtain.Reverse swinging handle, screw mandrel tooth pushing bar oppositely moves horizontally, and driven gear and tumbler gear rotate backward, and Second Mate's fagging is all rotated towards the direction vertical with by curtain.Leaning against protruding shape is that the angle of being rotated by fagging axle is determined.Detailed process is: when not needing to lean against projection, swinging handle, and tooth bar forward is moved, and driven gear and tumbler gear rotate, and drives fagging to rotate towards the direction parallel with by curtain, makes to set level by curtain; When needs lean against projection, reverse swinging handle, makes tooth bar oppositely movement, and driven gear and tumbler gear, fagging axle rotate backward, and fagging is rotated towards the direction vertical with by curtain, makes by curtain outwardly convex.Namely outwardly convex is leaned against by curtain outwardly convex.
The utility model has the advantage of: lean against the degree that can regulate outwardly convex.When fagging is with when leaning against vertical, the highest by curtain outwardly convex, when fagging is parallel with by curtain, just losing the support of outwardly convex by curtain, do not have outwardly convex by curtain, is be closed flat state.A seat, can be applicable to the needs that needs lean against protruding crowd, can be applicable to again the needs that not needs lean against protruding crowd.
Accompanying drawing explanation
Fig. 1 is the seat figure leaning against outwardly convex state.
Fig. 2 is fagging and transmission associated structural component structure chart.
Fig. 3 leans against not outwardly convex situation map.
In accompanying drawing, by curtain 1, seat cushion 2, seat board 3, foot rest 4, backrest 5, fagging 6, fagging axle 7, handle 8, threaded block 9, screw mandrel 10, fairlead 11, gear 12, axle sleeve 13, tooth bar 14, tumbler gear 15, support 16.
Detailed description of the invention
In Fig. 1, it is the seat leaning against outwardly convex state.Seat is formed by by curtain 1, seat cushion 2, seat board 3, foot rest 4, backrest 5.Backrest 5 is the support frames leaned against.Worn Lian Duogen made by block by the rope of band elastic by curtain 1.By curtain 1 the top and be separately fixed at bottom on the upper, lower horizontal frame of backrest 5.During by curtain 1 outwardly convex, elastic slightly elongates, and respectively slightly becomes large by gap between block.By after curtain, fagging 6 is installed, is straight flange on the right of fagging 6, straight flange is mounted with fagging axle 7.Fagging 6 left side is arch outwardly from top to bottom, in order to prop up the shape being supported by curtain and protruding.Handle 8 is arranged on backrest 5 side frame lower end.
In Fig. 2, be fagging and transmission associated structural component structure.Backrest 5 is installed two groups of faggings 6 and fagging axle 7, often has suitable distance between group.In figure, two groups of faggings are all turn to the position parallel with leaning on curtain.Fagging axle 7 upper and lower end is arranged in respective axle sleeve 13.The upper and lower axle sleeve 13 of fagging axle is arranged on the upper, lower horizontal frame of backrest respectively.A gear 12 is installed below two fagging axles 7 separately.Gear 12 rotates and fagging axle 7 is rotated.Gear 12 installation site below that root fagging axle of the right exceeds the height of a gear than the gear position below the fagging axle of the left side.That gear of the right is meshed with a tumbler gear 15.Tumbler gear 15 has two gears high like that, and that gear lower end of lower end and the left side is concordant.Support 16 is provided with outside backrest 5 lower transverse frame.The pivot pin at tumbler gear center is arranged in axle sleeve 13 fixing on backrest lower transverse frame.The gear of tumbler gear and two fagging axles is arranged side by side.Tooth bar 14 level is installed, and engages with the gear on the fagging axle of the left side and tumbler gear.Tooth bar 14 upper surface, a little less than the gear lower end on the fagging axle of the right, is not interfered mutually.Two fairleads 11 are fixed on support 16, and tooth bar is arranged in fairlead 11, in order to support tooth bar and guiding tooth bar.Threaded block 9 is fixed on support 16.Screw mandrel 10 is through threaded block 9, and right-hand member is flexibly connected with tooth bar, screw mandrel is rotated in threaded block and left and right mobile time can draw, tooth pushing bar is left and right moves horizontally.Screw mandrel is mounted with handle 8 in threaded block 9 outer end.
In Fig. 3, be lean against not outwardly convex situation.When rotating clockwise handle 8, screw mandrel 10 rotation move right simultaneously, tooth pushing bar moves to right, on the right of rack drives fagging axle cog inhour rotate, fagging is rotated towards with paper parallel direction.Rack drives tumbler gear counter-clockwise direction is rotated simultaneously, and tumbler gear drives the right fagging axle to cog and rotates clockwise.As a result, the right fagging also rotates towards with paper parallel direction simultaneously.Finally, two groups of faggings all turn to parallel with paper, then lose outside support by curtain, become the straightened condition of withdrawal.
Rotate the handle in Fig. 2 when counter-clockwise direction, then two groups of faggings all rotate towards the direction vertical with by curtain, when two pieces of faggings turn to vertical with by curtain, by curtain outwardly convex to extreme higher position, as Fig. 1.
Swinging handle, adjustable fagging overturns different angles, makes by curtain projection in various degree.

Claims (4)

1. one kind leans against protruding adjustable seat, primarily of seat cushion, seat board, foot rest, backrest, form by curtain, fagging, fagging axle, gear, tumbler gear, tooth bar, handle, needs according to people can change seat outwardly convex degree with handle, it is characterized in that:
(1) be, worn Lian Duogen made by block by the rope of band elastic by curtain;
(2), fagging straight flange is mounted with fagging axle;
(3), by being provided with fagging after curtain;
(4), a gear is installed below fagging axle separately;
(5), leaning against protruding shape is that the angle of being rotated by fagging axle is determined.
2. according to claim 1ly a kind ofly lean against protruding adjustable seat, it is characterized in that: by curtain top be arranged on the upper, lower horizontal frame of backrest below.
3. according to claim 1ly a kind ofly lean against protruding adjustable seat, it is characterized in that: the upper and lower axle sleeve of fagging axle is arranged on the upper, lower horizontal frame of backrest respectively.
4. according to claim 1ly a kind ofly lean against protruding adjustable seat, it is characterized in that: the transmission mechanism that fagging rotates is made up of rack and pinion and tumbler gear.
CN201520294522.7U 2015-05-09 2015-05-09 A kind ofly lean against protruding adjustable seat Expired - Fee Related CN204580569U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520294522.7U CN204580569U (en) 2015-05-09 2015-05-09 A kind ofly lean against protruding adjustable seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520294522.7U CN204580569U (en) 2015-05-09 2015-05-09 A kind ofly lean against protruding adjustable seat

Publications (1)

Publication Number Publication Date
CN204580569U true CN204580569U (en) 2015-08-26

Family

ID=53916783

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520294522.7U Expired - Fee Related CN204580569U (en) 2015-05-09 2015-05-09 A kind ofly lean against protruding adjustable seat

Country Status (1)

Country Link
CN (1) CN204580569U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112914242A (en) * 2021-03-01 2021-06-08 谢美凤 Desk and chair convenient to adjust

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112914242A (en) * 2021-03-01 2021-06-08 谢美凤 Desk and chair convenient to adjust
CN112914242B (en) * 2021-03-01 2022-07-19 浙江树人工贸有限公司 Desk and chair convenient to adjust

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150826

Termination date: 20160509