CN101744465B - Chair back cushion adjusting support frame - Google Patents
Chair back cushion adjusting support frame Download PDFInfo
- Publication number
- CN101744465B CN101744465B CN201010103500XA CN201010103500A CN101744465B CN 101744465 B CN101744465 B CN 101744465B CN 201010103500X A CN201010103500X A CN 201010103500XA CN 201010103500 A CN201010103500 A CN 201010103500A CN 101744465 B CN101744465 B CN 101744465B
- Authority
- CN
- China
- Prior art keywords
- pull bar
- push rod
- shell
- support frame
- back cushion
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03294—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
- A47C1/0325—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by means of clamps or friction locking members
Abstract
The invention relates to an adjusting frame for a chair, in particular to a chair back cushion adjusting support frame, which belongs to the technical field of chair manufacture, and comprises a support frame, an adjusting frame and a base seat connecting part, and is characterized in that the adjusting frame comprises an ejector rod assembly and a pull rod assembly, and the ejector rod assembly comprises an ejector rod case and an ejector rod sleeved in the ejector rod case; the pull rod assembly comprises a pull rod case, a pull rod sleeved in the pull rod case, and a limit block for propping against the pull rod; one end of the pull rod, which is used for connecting with the chair cushion frame, is provided with a back cushion connecting part. The invention has the characteristics of simple and novel structure and safe and convenient use.
Description
Technical field
The present invention relates to a kind of adjusting bracket of chair, relate in particular to a kind of chair back cushion adjusting support frame, belong to chair manufacturing technology field.
Background technology
Chair is a seat tool commonly used during people live, and modal chair is fixed, and is promptly highly fixing, backrest is fixed and the chair body can not turn to.But because the development of society, people have also proposed increasing requirement to chair.In numerous functions of chair, backrest whether scalable this, become the watershed of chair class.For satisfying the high-grade chair demand of people to occasions such as offices, each manufacturer is one after another at the adjustable chair of trial-production backrest.Like the patent No. is 200720105497.9 Chinese patent, discloses a kind of chair frame, and it can realize the adjusting of backrest.This chair frame comprises base 6, arm-rest frame 3, cushion frame 2, leans against frame 1 and is connected chassis 7; Leaning against frame and arm-rest frame flexibly connects; Leaning against frame and cushion frame flexibly connects; Cushion frame two side lower parts are provided with sliding bar mechanism 4 with being connected between the chassis, a wherein side lower part of cushion frame is provided with slide bar detent mechanism 5 with being connected between the chassis.This Chair structure is simple, and is but also impracticable, and it is reasonable inadequately to say from use angle; The first, when regulating backrest, the power of adjusting acts on two sliding bar mechanisms dispersedly; And the size of these two component is normally different; The power that acts on a sideslip linkage usually can hinder the adjusting of opposite side sliding bar mechanism, therefore is prone to the phenomenon that slightly tilts of regulating difficulty and backrest, also only when adjusting power acts on two place's sliding bar mechanisms equably; The ability head it off; But people are normally lying on the chair, have an effect through waist and regulate, so this point is difficult to guarantee; Second; After regulating completion; Because secund sliding bar mechanism has the slide bar detent mechanism, in a single day the user lies in and occurs the figure inclination on the chair, will produce the power of harm chair litter detent mechanism; Normal this can make the run-off the straight at leisure of the chair left and right sides in the past, even made shorten greatly the service life of chair; If the sliding bar mechanism of both sides all has the litter detent mechanism, regulating backrest so obviously is a difficult thing of trouble again.
Summary of the invention
The object of the invention provides a kind of chair back cushion adjusting support frame, and it is arranged on the centre position of seat cushions frame bottom, has therefore fundamentally solved above-mentioned technical problem.
Above-mentioned technical purpose of the present invention is achieved through following technical scheme:
Chair back cushion adjusting support frame comprises bracing frame, adjusting bracket and base connector, and it is characterized in that: said adjusting bracket comprises push rod component and rod assembly; Said push rod component comprises push rod shell and the push rod that is set in said push rod enclosure; Said rod assembly comprises the pull bar shell, is set in pull bar in the said pull bar shell and the limited block that is used to suppress pull bar; The set inside of not stretching out this port at push rod shell cylinder lever connecting rod shell one end has nut, and the port is fixedly connected with said pull bar shell; Push rod is provided with screw thread in the corresponding position of said nut, and push rod has a roof pressure section at an end that suppresses said limited block; Be connected for the contact roof pressure between said limited block and the said roof pressure section; The end place that said pull bar is used to connect the seat cushions frame is provided with the cushion frame connector.
In the technique scheme, the setting of push rod component and rod assembly has realized that the present invention is arranged on the centre position of seat cushions frame bottom.Backrest has steadily advantage fast when regulating.
Preferred as technique scheme is equipped with the card cap of tightly filling in this end port in push rod shell other end port.
Preferred as technique scheme, said pull bar be two and between have the fixed connection structure arranged side by side of the pole of certain interval; Said two pole two ends are fixed, and the middle part is fixed; Said rod assembly also comprises spacer pin; Said spacer pin is arranged on, and fixed position, the fixed position of pull bar front of motor and two poles with certain interval of pull bar in the middle of the pull bar are in the formed rectangular area; Locate corresponding to said rectangular area at said pull bar shell, be provided with the limiting through hole that is used to install said spacer pin.
The supporting of spacer pin and pull bar rectangular area is designed to the invention provides a guarantee, though the present invention does not have spacer pin also can normally use, is drawn out of because the pull bar shell also can hinder pull bar; But the existence of spacer pin, the consumer is more relieved undoubtedly in use, even if exert oneself also can't pull bar be extracted out from the pull bar shell, uses safer.
Preferred as technique scheme, said push rod component also includes universal joint, connecting rod and handwheel; Universal joint connects connecting rod, and connecting rod connects handwheel.
In the technique scheme, universal joint any position that the handwheel of having realized indirect control push rod can be arranged on chair is set; Certainly, usually handwheel is arranged on the right lateral side of chair from angle easy to use.
Preferred as technique scheme, said push rod is divided into 4 sections from the end to end that suppresses said limited block, and these 4 sections one connect, and are followed successively by roof pressure section, projection thread segment, smooth section and depression thread segment; Said depression thread segment is threaded with said universal joint; The corresponding said smooth section of said card cap, and contact turnably with said smooth section and to be connected; The nut of the corresponding said push rod shell of said projection thread segment; A said roof pressure Duan Weiyi tapered section.
The back is rotated in the enforcement of technique scheme, handwheel rotates push rod through universal joint, and under the effect of nut, the tapered section of push rod just can outwards promote.Rotate handwheel gently and just can obtain huge thrust, the power of rotation handwheel has substantial connection with ratio and handwheel radius, the projection thread segment radius of push rod and the helicity of push rod projection thread segment of the thrust of acquisition.In the technique scheme; The high card release cap of projection thread segment is tightly filled in the edge of push rod shell, can prevent that handwheel push rod when reversing is excessive from withdrawing from the push rod shell, certainly; The projection thread segment of push rod is unsuitable long, and its length can determine according to the length of push rod shell and the length of push rod smooth section.
Preferred as technique scheme, said pull bar shell comprises pull bar shell and pull bar inner casing, it is an integral body that said push rod shell is fixedly connected with said pull bar shell; The remaining parts of push rod component and rod assembly all is installed in this integral body.
In the technique scheme, the material of pull bar shell and push rod shell can be steel, and the material of pull bar inner casing can be plastics, and the remaining parts of push rod component and rod assembly all is installed in this integral body, can realize that better quality of the present invention, result of use are better.
Preferred as technique scheme, the said limited block side of being platform shape structure, and on the said limited block, the pole contact-making surface place with said pull bar is the arc surfaced concave face; Said limited block material is a steel.
In the technique scheme, limited block and pull bar cooperate the veneer design to make the fixing backrest inclination angle of chair is just had desirable fixed effect, the material of said limited block is preferably steel.The inventor originally be to use bloom, and pad has soft materials such as plastics or rubber between bloom and pull bar, but the bloom better effects if is directly used in the result of study demonstration when research limited block material.Though pad has soft material that bigger stiction can be provided, the intensity of soft material own is not high, is easy to occur cracked or the excessive phenomenon that rubs.
Preferred as technique scheme, said base connector have one be used for the socket base steel pipe, said steel pipe welds with base connector body.
Preferred as technique scheme is connected to welding between support frame as described above, adjusting bracket and the base connector three.
In sum, the present invention has following beneficial effect:
1, the present invention has novelty simple in structure, characteristics safe and convenient to use;
2, because the present invention makes chair unnecessary stressing conditions can not occur in use, also obviously increase service life;
3, the present invention's structure that will be used to regulate the backrest inclination angle be arranged on the seat cushions frame under, make chair have the more stable characteristics in ground, station, say more elegant in appearance from the visual effect angle;
4, the present invention can regulate the trigger switch-handwheel of backrest inclination angle the most at last, is arranged on the right lateral side of chair, uses more conveniently, and its design is also humanized.
Description of drawings
Fig. 1 is the front view of background technology of the present invention;
Fig. 2 is a perspective view of the present invention;
Fig. 3 is the explosive decomposition figure of rod assembly of the present invention and push rod component;
Fig. 4 is the effect sketch map that the present invention is installed on chair;
Among the figure, the 1st, lean against frame, the 2nd, the cushion frame, the 3rd, arm-rest frame, the 4th, sliding bar mechanism, the 5th, the slide bar detent mechanism, the 6th, base, the 7th, connect the chassis;
The 11st, bracing frame, the 12nd, adjusting bracket, the 13rd, base connector, the 14th, push rod shell, the 15th, push rod, the 16th, pull bar; The 17th, limited block, the 18th, nut, the 19th, roof pressure section, the 20th, cushion frame connector, the 21st, card cap, the 22nd, spacer pin; The 23rd, pull bar front of motor, the 24th, limiting through hole, the 25th, universal joint, the 26th, connecting rod, the 27th, handwheel, the 28th, projection thread segment; The 29th, smooth section, the 30th, depression thread segment, the 31st, pull bar shell, the 32nd, pull bar inner casing, the 33rd, steel pipe.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further explain.
As shown in Figure 1, the patent No. is 200720105497.9 the disclosed a kind of chair frame of Chinese patent, comprises base 6, arm-rest frame 3, cushion frame 2, leans against frame 1 and is connected chassis 7; Lean against frame 1 and flexibly connect with arm-rest frame 3, lean against frame 1 and flexibly connect with cushion frame 2,2 liang of side lower parts of cushion frame are provided with sliding bar mechanism 4 with being connected between the chassis 7, and a wherein side lower part of cushion frame 2 is provided with slide bar detent mechanism 5 with being connected between the chassis 7.
To shown in Figure 4, chair back cushion adjusting support frame comprises bracing frame 11, adjusting bracket 12 and base connector 13 like Fig. 2, and adjusting bracket 12 comprises push rod component and rod assembly; Said push rod component comprises push rod shell 14 and the push rod 15 that is set in said push rod shell 14 inside; Said rod assembly comprises the pull bar shell, is set in pull bar 16 in the said pull bar shell and the limited block 25 that is used to suppress pull bar 16; The set inside of not stretching out this port at push rod shell 14 cylinder lever connecting rod shells one end has nut 18, and the port is fixedly connected with said pull bar shell; In push rod shell 14 other end ports card cap 21 of tightly filling in this end port is installed; Push rod 15 is provided with screw thread in the corresponding position of nut 18, and push rod 15 has a roof pressure section 19 at an end that suppresses limited block 17; Be connected for the contact roof pressure between limited block 17 and the roof pressure section 19; The end place that pull bar 16 is used to connect the seat cushions frame is provided with cushion frame connector 20.Pull bar 16 be two and between have the fixed connection structure arranged side by side of the pole of certain interval; Said two pole two ends are fixed, and the middle part is fixed; Said rod assembly also comprises spacer pin 22; Spacer pin 22 is arranged on, and fixed position, the fixed position of pull bar front of motor 23 and two poles with certain interval of pull bar 16 in the middle of the pull bar 16 are in the formed rectangular area; Locate corresponding to said rectangular area at said pull bar shell, be provided with the limiting through hole 24 that is used to install spacer pin 22.Said push rod component also includes universal joint 25, connecting rod 26 and handwheel 27; Universal joint 25 connects connecting rod 26, and connecting rod 26 connects handwheel 27.Push rod 15 is divided into 4 sections from the end to end that suppresses limited block 17, and these 4 sections one connect, and is followed successively by roof pressure section 19, projection thread segment 28, smooth section 29 and depression thread segment 30; Depression thread segment 30 is threaded with universal joint 25; Block cap 21 corresponding smooth section 29, and be connected with smooth section 29 turnable contacts; The nut 18 of projection thread segment 28 corresponding push rod shells 14; Roof pressure section 19 is a tapered section.Said pull bar shell comprises pull bar shell 31 and pull bar inner casing 32, and it is an integral body that push rod shell 14 is fixedly connected with pull bar shell 31; The remaining parts of push rod component and rod assembly all is installed in this integral body.Limited block 17 side's of being platform shape structures, and on this limited block 17, the pole contact-making surface place with pull bar 16 is the arc surfaced concave face; These limited block 17 materials are steel.Base connector 3 have one be used for the socket base steel pipe 33, this steel pipe 33 and the welding of base connector 3 bodies.Be connected to welding between support frame as described above 1, adjusting bracket 2 and base connector 3 threes.
Claims (10)
1. chair back cushion adjusting support frame comprises bracing frame (11), adjusting bracket (12) and base connector (13), and it is characterized in that: said adjusting bracket comprises push rod component and rod assembly; Said push rod component comprises push rod shell (14) and is set in the push rod (15) of said push rod enclosure; Said rod assembly comprises the pull bar shell, is set in pull bar (16) in the said pull bar shell and the limited block (17) that is used to suppress pull bar; The set inside of not stretching out the port of this end at push rod shell cylinder lever connecting rod shell one end has nut (18), and the port is fixedly connected with said pull bar shell; Push rod is provided with screw thread in the corresponding position of said nut, and push rod has a roof pressure section (19) at an end that suppresses said limited block; Be connected for the contact roof pressure between said limited block and the said roof pressure section; The end place that said pull bar is used to connect the seat cushions frame is provided with cushion frame connector (20).
2. chair back cushion adjusting support frame according to claim 1 is characterized in that: the card cap (21) of tightly filling in this end port is installed in push rod shell other end port.
3. chair back cushion adjusting support frame according to claim 1 and 2 is characterized in that: said pull bar be two and between have the fixed connection structure arranged side by side of the pole of certain interval, the pole two ends are fixed, the middle part is fixed; Said rod assembly also comprises spacer pin (22); Said spacer pin is arranged on, and fixed position, the fixed position of pull bar front of motor (23) and two poles with certain interval of pull bar in the middle of the pull bar are in the formed rectangular area; Locate corresponding to said rectangular area at said pull bar shell, be provided with the limiting through hole (24) that is used to install said spacer pin.
4. chair back cushion adjusting support frame according to claim 2 is characterized in that: said push rod component also includes universal joint (25), connecting rod (26) and handwheel (27); Universal joint connects connecting rod, and connecting rod connects handwheel.
5. chair back cushion adjusting support frame according to claim 4; It is characterized in that: said push rod is divided into 4 sections from the end to end that suppresses said limited block; These 4 sections one connect, and are followed successively by roof pressure section, projection thread segment (28), smooth section (29) and depression thread segment (30); Said depression thread segment is threaded with said universal joint; The corresponding said smooth section of said card cap, and contact turnably with said smooth section and to be connected; The nut of the corresponding said push rod shell of said projection thread segment; A said roof pressure Duan Weiyi tapered section.
6. chair back cushion adjusting support frame according to claim 1 and 2 is characterized in that: said pull bar shell comprises pull bar shell (31) and pull bar inner casing (32), and it is an integral body that said push rod shell is fixedly connected with said pull bar shell; The remaining parts of push rod component and rod assembly all is installed in this integral body.
7. chair back cushion adjusting support frame according to claim 3 is characterized in that: the said limited block side of being platform shape structure, and on the said limited block, the pole contact-making surface place with said pull bar is the arc surfaced concave face; Said limited block material is a steel.
8. according to according to claim 1 or 2 or 5 or 7 described chair back cushion adjusting support frames, it is characterized in that: said base connector have one be used for the socket base steel pipe (33), said steel pipe and the welding of base connector body.
9. according to chair back cushion adjusting support frame according to claim 3, it is characterized in that: said base connector have one be used for the socket base steel pipe, said steel pipe and the welding of base connector body.
10. according to chair back cushion adjusting support frame according to claim 1 and 2, it is characterized in that: be connected to welding between support frame as described above, adjusting bracket and the base connector three.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010103500XA CN101744465B (en) | 2010-01-26 | 2010-01-26 | Chair back cushion adjusting support frame |
| PCT/CN2010/070554 WO2011091612A1 (en) | 2010-01-26 | 2010-02-06 | Adjusting stand for chairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010103500XA CN101744465B (en) | 2010-01-26 | 2010-01-26 | Chair back cushion adjusting support frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101744465A CN101744465A (en) | 2010-06-23 |
| CN101744465B true CN101744465B (en) | 2012-05-23 |
Family
ID=42472534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010103500XA Expired - Fee Related CN101744465B (en) | 2010-01-26 | 2010-01-26 | Chair back cushion adjusting support frame |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101744465B (en) |
| WO (1) | WO2011091612A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101744465B (en) * | 2010-01-26 | 2012-05-23 | 浙江邦格家具有限公司 | Chair back cushion adjusting support frame |
| CN104026894B (en) * | 2014-06-30 | 2016-06-22 | 宁波大学 | A kind of Multifunctional stool with board |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6010189A (en) * | 1997-03-12 | 2000-01-04 | Leggett & Platt, Incorporated | Synchronized chair seat and backrest tilt control mechanism |
| CN1592691A (en) * | 2002-09-17 | 2005-03-09 | 凯波有限责任两合公司 | Adjuster for a vehicle seat |
| CN1767966A (en) * | 2003-04-03 | 2006-05-03 | 凯波有限责任两合公司 | Fitting system for a vehicle seat |
| CN201001524Y (en) * | 2007-01-11 | 2008-01-09 | 祝伟华 | Chair frame |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10145473A1 (en) * | 2001-09-14 | 2003-04-10 | Bernd Gramlich | Therapeutic chair has four legs, seat surface, chest-rest, thorax support, foot rest and adjusting mechanism |
| DE202005003707U1 (en) * | 2005-03-04 | 2005-05-19 | Bock 1 Gmbh & Co. Kg | Office chair has back with rectangular frame, horizontal cross-bar being mounted across side bars of frame and carrying slides which move in grooves on support post for back, allowing its height to be adjusted |
| JP4989804B2 (en) * | 2005-05-23 | 2012-08-01 | プラス株式会社 | Height-adjustable chair with locking function |
| CN2847990Y (en) * | 2005-12-02 | 2006-12-20 | 王彩根 | Chair back regulation structure |
| CN201011967Y (en) * | 2007-02-07 | 2008-01-30 | 厦门革新金属制品有限公司 | Folding chair back regulating mechanism |
| CN201200154Y (en) * | 2008-05-30 | 2009-03-04 | 杭州中泰实业有限公司 | Swivel chair bracket tray with multifunctional regulated back board |
| CN101744465B (en) * | 2010-01-26 | 2012-05-23 | 浙江邦格家具有限公司 | Chair back cushion adjusting support frame |
-
2010
- 2010-01-26 CN CN201010103500XA patent/CN101744465B/en not_active Expired - Fee Related
- 2010-02-06 WO PCT/CN2010/070554 patent/WO2011091612A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6010189A (en) * | 1997-03-12 | 2000-01-04 | Leggett & Platt, Incorporated | Synchronized chair seat and backrest tilt control mechanism |
| CN1592691A (en) * | 2002-09-17 | 2005-03-09 | 凯波有限责任两合公司 | Adjuster for a vehicle seat |
| CN1767966A (en) * | 2003-04-03 | 2006-05-03 | 凯波有限责任两合公司 | Fitting system for a vehicle seat |
| CN201001524Y (en) * | 2007-01-11 | 2008-01-09 | 祝伟华 | Chair frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101744465A (en) | 2010-06-23 |
| WO2011091612A1 (en) | 2011-08-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20140126 |