CN103612578B - A kind of armrest structure for chair and car front seat - Google Patents
A kind of armrest structure for chair and car front seat Download PDFInfo
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- CN103612578B CN103612578B CN201310625944.3A CN201310625944A CN103612578B CN 103612578 B CN103612578 B CN 103612578B CN 201310625944 A CN201310625944 A CN 201310625944A CN 103612578 B CN103612578 B CN 103612578B
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- handrail
- backrest
- lining
- hinged
- gathering sill
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- 238000005299 abrasion Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000003313 weakening effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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- Seats For Vehicles (AREA)
Abstract
Disclosure one armrest structure for chair and car front seat, relate to automotive seating art field, for improving intensity, reduces cost and invents。Described armrest structure for chair, including handrail and backrest, described handrail is hinged with described backrest, on described handrail, the side near described backrest is provided with lead, position corresponding with described lead on described backrest is provided with gathering sill, described lead is equipped with in described gathering sill, and described gathering sill is arc-shaped structure, and the center of circle of described arc-shaped structure is positioned in the hinge axes of described handrail and described backrest。Armrest structure for chair of the present invention is used for car front seat。
Description
Technical field
The present invention relates to automotive seating art field, particularly relate to a kind of armrest structure for chair and car front seat。
Background technology
Automotive seat is as the important component part of automobile; the comfort level taken is had considerable influence by the design of its structure and adnexa; at present; in order to provide support would generally design armrest structure for chair on the seat to the arm of occupant; get on or off the bus in order to avoid handrail affects occupant simultaneously; armrest structure for chair is generally liftable; when occupant sits on the seat; armrest can provide for arm and support; increase comfort level; when member leaves seat or preparation takes, by armrest structure for chair, armrest can be lifted, conveniently take。
Existing armrest structure for chair is to be fixed on long hook bolt on seat back-rest framework for locating shaft, and spine frame sets two leads, handrail is provided with two corresponding with two leads respectively gathering sills, handrail, with locating shaft for center of rotation, coordinates path to rotate between horizontal level and cocked position for direction with lead and gathering sill。But the gathering sill of this structure is opened on handrail, owing to the structure of handrail is generally less, offering the gathering sill intensity to handrail has adverse effect, and the intensity to increase handrail then needs to increase the thickness of the local that handrail is provided with gathering sill, increase the volume and weight of handrail, make cost increase。
Summary of the invention
Embodiments of the invention provide a kind of armrest structure for chair and car front seat, can improve intensity, reduce cost。
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
Embodiment of the present invention one armrest structure for chair includes handrail and backrest, described handrail is hinged with described backrest, on described handrail, the side near described backrest is provided with lead, position corresponding with described lead on described backrest is provided with gathering sill, described lead is equipped with in described gathering sill, described gathering sill is arc-shaped structure, and the center of circle of described arc-shaped structure is positioned in the hinge axes of described handrail and described backrest。
Further, described gathering sill can limit described handrail by described lead and rotate between primary importance and the second position, and when described handrail is in described primary importance, described handrail is level, when described handrail is in the described second position, described handrail is lifting status。
Specifically, the central angle of described gathering sill is 105 °。
Further, described handrail is hinged by positioning component and described backrest, described positioning component includes bolt and column sleeve, described column sleeve is fixing with described backrest to be connected, described column sleeve is provided with the female thread that can coordinate with described bolt, described handrail one end offers hinged through hole, described handrail is sheathed on described column sleeve by described hinged through hole, described bolt is arranged in described hinged through hole and is connected with the screw-internal thread fit of described column sleeve, described handrail can be compressed by the bolt head of described bolt to described backrest direction, described handrail can rotate around the axis of described column sleeve。
Further, described hinged through hole is counter bore structure, and described bolt head is fully located in described counter bore structure。
Further, it is provided with the first lining between described hinged through hole and described column sleeve, it is provided with the second lining between described hinged through hole and described bolt, the end of described first lining and described second lining is equipped with flange, described handrail is compressed to described backrest direction by described bolt head by the flange of described second lining, and described first lining is compressed to described backrest direction by described handrail by the flange of described first lining。
Further, it is provided with wave washer between flange and the described bolt head of described second lining, between described wave washer and described bolt head, is provided with the 3rd lining。
Further, described hinged through hole is provided with near one end of described bolt head and the blanking cover of described hinged through hole clamping。
Further, described lead is arranged with the 4th lining, and described lead is coordinated with described gathering sill by described 4th lining。
In the armrest structure for chair that the embodiment of the present invention provides, described handrail is hinged with described backrest, described lead on described handrail coordinate with the described gathering sill on described backrest carry out spacing, achieve the function that described handrail can rotate around the hinge axes of described handrail with described backrest, owing to the structure of described handrail is generally less, offer described gathering sill thereon and may affect the intensity of described handrail, therefore, need the thickness improving the local of the gathering sill of described handrail to increase the intensity of handrail, this makes the weight and volume of described handrail increase, cost increases, described gathering sill is arranged on described backrest by the armrest structure for chair that the embodiment of the present invention provides, described lead is arranged on described handrail, do not affect coordinating of described lead and described gathering sill, and the weakening to described handrail intensity of the described gathering sill can be prevented, avoid and increase handrail thickness cause that cost increases for improving the intensity of described handrail, thus, the intensity of described handrail can be improved, reduce cost, and using and in operating process, simply, convenient, comfortableness is high。
The embodiment of the present invention also provides for a kind of car front seat, including the armrest structure for chair described in as above any technology scheme。
In the armrest structure for chair that the car front seat that the embodiment of the present invention provides adopts, described handrail is hinged with described backrest, described lead on described handrail coordinate with the described gathering sill on described backrest carry out spacing, achieve the function that described handrail can rotate around the hinge axes of described handrail with described backrest, owing to the structure of described handrail is generally less, offer described gathering sill thereon and may affect the intensity of described handrail, therefore, need the thickness improving the local of the gathering sill of described handrail to increase the intensity of handrail, this makes the weight and volume of described handrail increase, cost increases, described gathering sill is arranged on described backrest by the armrest structure for chair that the embodiment of the present invention provides, described lead is arranged on described handrail, do not affect coordinating of described lead and described gathering sill, and the weakening to described handrail intensity of the described gathering sill can be prevented, avoid and increase handrail thickness cause that cost increases for improving the intensity of described handrail, thus, the intensity of described car front seat can be made to get a promotion by the intensity of the described handrail of raising, the reduction of described handrail cost also makes the cost of car front seat be reduced, and using and in operating process, simply, convenient, comfortableness is high。
Accompanying drawing explanation
Fig. 1 is the rotary state figure of embodiment of the present invention armrest structure for chair；
Fig. 2 is that the A-A of Fig. 1 is to sectional view；
Fig. 3 is that the B-B of Fig. 1 is to sectional view；
Fig. 4 is the partial enlarged view in C portion in Fig. 2。
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present invention one armrest structure for chair and car front seat are described in detail。
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of the description present invention and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention。
Term " first ", " second " only for descriptive purposes, and it is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic。Thus, define " first ", the feature of " second " can express or implicitly include one or more these features。In describing the invention, except as otherwise noted, " multiple " are meant that two or more。
With reference to Fig. 1, Fig. 1 is the rotary state figure of embodiment of the present invention armrest structure for chair, armrest structure for chair described in the present embodiment includes handrail 1 and backrest 2, handrail 1 is hinged with backrest 2, on handrail 1, the side near backrest 2 is provided with lead 4, and position corresponding with lead 4 on backrest 2 is provided with gathering sill 3, and lead 4 is equipped with in gathering sill 3, gathering sill 3 is in arc-shaped structure, and the center of circle of arc-shaped structure is positioned in the hinge axes of handrail 1 and backrest 2。
In the armrest structure for chair that the embodiment of the present invention provides, handrail 1 is hinged with backrest 2, lead 4 on handrail 1 coordinate with the gathering sill 3 on backrest 2 carry out spacing, achieve the function that handrail 1 can rotate around the hinge axes of handrail 1 with backrest 2, owing to the volume and weight of handrail 1 is generally less, offer gathering sill 3 thereon and may affect the intensity of handrail 1, therefore, need the thickness improving the local of the gathering sill 3 of handrail 1 to increase the intensity of handrail 1, this makes the weight and volume of handrail 1 increase, cost increases, the armrest structure for chair that the embodiment of the present invention provides is directed to groove 3 and is arranged on backrest 2, it is directed to post 4 and is arranged on handrail 1, do not affect coordinating of lead 4 and gathering sill 3, and the gathering sill 3 weakening to described handrail 1 intensity can be prevented, avoid and increase handrail 1 thickness for improving the intensity of handrail 1 and cause that cost increases, thus, the intensity of described handrail 1 can be improved, reduce cost, and using and in operating process, simply, convenient, comfortableness is high。
Move to make handrail 1 be between suitable position, gathering sill 3 can limit handrail 1 by lead 4 and rotate between primary importance and the second position, when handrail 1 is in primary importance, handrail 1 is level (as shown by the solid lines of fig. 1 position), now occupant arm can be provided and support by handrail 1, improve the comfort level taken, when handrail 1 is in the second position, handrail 1 is lifting status (as shown in phantom in fig. 1 position), handrail 1 can be avoided to hinder passenger riding seat, and the use making seat is convenient。
Owing to the rotation of handrail 1 is limited by gathering sill 3, therefore to be in the angle of handrail 1 when primary importance and the second position equal with the central angle of gathering sill 3 for handrail 1, if the central angle of gathering sill 1 is too small, although then handrail 1 is in lifting status, but still driver and crew can be hindered to take seat, if the central angle of gathering sill 3 is excessive, then add and handrail 1 is carried out unnecessary rotation, and handrail 1 may turn to the back side of backrest 2, affect passenger riding back seat, therefore have only to turn to handrail 1 parallel with backrest 2, according to base of principle of human engineering, the angle of inclination of the backrest 2 of vehicle is set to ride quality when 105 ° better, therefore the central angle that can be directed to groove 3 is set to 105 °, make when handrail 1 is in the second position, the position of handrail 1 and backrest 2 adapts, avoid the interference to passenger riding seat。
With reference to Fig. 2, Fig. 3 and Fig. 4, it is hinged with backrest 2 that handrail 1 can pass through positioning component, positioning component includes bolt 6 and column sleeve 5, column sleeve 5 is fixing with backrest 2 to be connected, column sleeve 5 is provided with the female thread that can coordinate with bolt 6, handrail 1 one end offers hinged through hole 7, handrail 1 is sheathed on column sleeve 5 by hinged through hole 7, bolt 6 is arranged in hinged through hole 7 and is connected with the screw-internal thread fit of column sleeve 5, handrail 1 can be compressed by the bolt head 61 of bolt 6 to backrest 2 direction, and handrail 1 can rotate around the axis of column sleeve 5。Make handrail 1 can column sleeve 5 and bolt 6 composition generally rotating shaft rotate, when installing positioning component, can first handrail 1 be sheathed on column sleeve 5, again bolt 6 is threadeded through hinged through hole 7 with column sleeve 5, installation and removal process is simple, thus, handrail 1 and the hinged of backrest 2 can be made realizing handrail 1 to be easily achieved while the axis rotation of described column sleeve 5
In order to avoid other parts of bolt head 61 with seat interfere with each other, hinged through hole 7 can be set to counter bore structure, and make bolt head 61 be fully located in described counter bore structure, thus bolt 6 can be made to be fully located in hinged through hole 7, in use, can ensure that bolt head 61 is without departing from handrail 1, it is to avoid bolt head 61 interferes with each other with other parts on seat, affect the normal use of armrest structure for chair。
Owing to handrail 1 needs frequent rotation, therefore the friction between hinged through hole 7 and column sleeve 5 and between hinged through hole 7 and bolt 6 is comparatively frequent, in order to avoid hinged through hole 7, the abrasion of column sleeve 5 and bolt 6, first lining 8 can be set between hinged through hole 7 and column sleeve 5, and the second lining 9 is set between hinged through hole 7 and bolt 6, first lining 8 and the second lining 9 are wear-resistant and easily change, thus avoiding the hinged through hole 7 that hinged through hole 7 causes when directly contacting with column sleeve 5 and bolt 6, the abrasion of column sleeve 5 and bolt 6, simultaneously in order to prevent handrail 1 from automatically falling after turning to lifting status, flange 81 can be set in the end of the first lining 8, it is respectively provided with flange 91 in the end of the second lining 9, and make bolt head 61 be compressed to backrest 2 direction by handrail 1 by the flange 91 of the second lining 9, handrail 1 is made to be compressed to backrest 2 direction by first lining 8 by the flange 81 of the first lining 8, so that handrail 1 is compressed to backrest 2, by increasing the frictional force between handrail 1 and backrest 2, make to need during rotary handle 1 certain operating physical force, and when making handrail 1 be in lifting status, will not automatically fall, flange 81 can avoid handrail 1 directly to contact with backrest 2 with flange 91, also bolt head 61 can be avoided directly to contact with handrail 1, thus preventing handrail 1, the abrasion of backrest 2 and bolt head 61。
In order to make operating physical force during rotary handle 1 stable, wave washer 10 can be set between the flange 91 of the second lining 9 and bolt head 61, and the 3rd lining 11 is set between wave washer 10 and bolt head 61, wave washer 10 is between the flange 91 and bolt head 61 of the second lining 9, the waveform configuration of wave washer 10 can make there is stable active force all the time between flange 91 and the bolt head 61 of the second lining 9, thus ensureing that handrail 1 is compressed with stable active force by bolt 6 to backrest 2 direction, so that when rotary handle 1, required operating physical force is stable, simultaneously for the ease of operation, can by selecting the installation site of different wave washers 10 or adjustment wave washer 10 to make operating physical force during rotary handle 1 be maintained at 6N-20N, test through multi-pass operation Force meansurement, operating physical force during known rotary handle is when 6N-20N, both automatically fell after being possible to prevent handrail 1 to lift, also can avoid crossing ambassador's handrail 1 because of operating physical force to be difficult to rotate, and when bolt 6 or the second lining 9 loosen, wave washer 10 can be compressed or be stretched, therefore the active force between the flange 91 of the second lining 9 and bolt head 61 still can be made to remain stable for, 3rd lining 11 can prevent wave washer 10 from directly contacting with bolt head 61, avoid the abrasion of bolt head 61 and the second lining 9, thus, operating physical force during rotary handle 1 can be made stable, improve armrest structure for chair reliability。
In order to reduce the normal impact used of external environment handrail 1, can at the hinged through hole 7 blanking cover 12 near one end of bolt head 61 setting with the clamping of hinged through hole 7。Owing to positioning component is arranged in the hinged through hole 7 in handrail 1, if the end-enclosed of hinged through hole 7 is poor, then bolt 6 metallic element such as grade is oxidized easily, if and have outside granule enter, the normal rotation of handrail 1 may be affected, blanking cover 12 can improve the closure of hinged through hole 7, thus, external environment can be avoided to affect the normal use of handrail 1。
Owing to lead 4 can move along gathering sill 3, life-time service is likely to result in the abrasion to lead 4 and gathering sill 3, the replacing of lead 4 and gathering sill 3 comparatively bothers, and the simple in construction of lining and easily changing, therefore can on lead 4 sheathed 4th lining 13, lead 4 is made to be coordinated with gathering sill 3 by the 4th lining 13, thus gathering sill 3 and lead 4 mediate contact can be made, avoid lead 4 and gathering sill 3 weares and teares mutually, the 4th lining 13 is changed after life-time service, simultaneously, the preferred plastics of material of the 4th lining 13, owing to plastic material quality is softer, can prevent from when rotary handle 1 producing abnormal sound because of the friction of lead 4 and gathering sill 3, thus, gathering sill 3 and the abrasion of lead 4 can be avoided, the service life of extended seat chair armrest structure。
The embodiment of the present invention also provides for a kind of car front seat, including the armrest structure for chair described in any of the above-described technical scheme。Armrest structure for chair owing to using in the car front seat of the present embodiment is identical with the armrest structure for chair provided in each embodiment of above-mentioned armrest structure for chair, and therefore the two can solve the problem that identical technical problem, and reaches identical Expected Results。
Other compositions about the car front seat of the embodiment of the present invention wait known by those skilled in the art, no longer describe in detail at this。
In the description of this specification, specific features, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example。
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention。Therefore, protection scope of the present invention should be as the criterion with described scope of the claims。
Claims (8)
1. an armrest structure for chair, including handrail and backrest, it is characterized in that, described handrail is hinged with described backrest, on described handrail, the side near described backrest is provided with lead, and position corresponding with described lead on described backrest is provided with gathering sill, and described lead is equipped with in described gathering sill, described gathering sill is arc-shaped structure, and the center of circle of described arc-shaped structure is positioned in the hinge axes of described handrail and described backrest；
Described handrail is hinged by positioning component and described backrest, described positioning component includes bolt and column sleeve, described column sleeve is fixing with described backrest to be connected, described column sleeve is provided with the female thread that can coordinate with described bolt, described handrail one end offers hinged through hole, described handrail is sheathed on described column sleeve by described hinged through hole, described bolt is arranged in described hinged through hole and is connected with the screw-internal thread fit of described column sleeve, described handrail can be compressed by the bolt head of described bolt to described backrest direction, and described handrail can rotate around the axis of described column sleeve；
It is provided with the first lining between described hinged through hole and described column sleeve, it is provided with the second lining between described hinged through hole and described bolt, the end of described first lining and described second lining is equipped with flange, described handrail is compressed to described backrest direction by described bolt head by the flange of described second lining, and described first lining is compressed to described backrest direction by described handrail by the flange of described first lining。
2. armrest structure for chair according to claim 1, it is characterized in that, described gathering sill can limit described handrail by described lead and rotate between primary importance and the second position, when described handrail is in described primary importance, described handrail is level, when described handrail is in the described second position, described handrail is lifting status。
3. armrest structure for chair according to claim 2, it is characterised in that the central angle of described gathering sill is 105 °。
4. armrest structure for chair according to claim 1, it is characterised in that described hinged through hole is counter bore structure, and described bolt head is fully located in described counter bore structure。
5. armrest structure for chair according to claim 1, it is characterised in that be provided with wave washer between flange and the described bolt head of described second lining, be provided with the 3rd lining between described wave washer and described bolt head。
6. armrest structure for chair according to claim 1, it is characterised in that described hinged through hole is provided with near one end of described bolt head and the blanking cover of described hinged through hole clamping。
7. armrest structure for chair according to claim 1, it is characterised in that be arranged with the 4th lining on described lead, and described lead is coordinated with described gathering sill by described 4th lining。
8. a car front seat, it is characterised in that include the armrest structure for chair as according to any one of claim 1～7。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310625944.3A CN103612578B (en) | 2013-11-29 | 2013-11-29 | A kind of armrest structure for chair and car front seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310625944.3A CN103612578B (en) | 2013-11-29 | 2013-11-29 | A kind of armrest structure for chair and car front seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103612578A CN103612578A (en) | 2014-03-05 |
| CN103612578B true CN103612578B (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310625944.3A Active CN103612578B (en) | 2013-11-29 | 2013-11-29 | A kind of armrest structure for chair and car front seat |
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| Country | Link |
|---|---|
| CN (1) | CN103612578B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4848840A (en) * | 1988-08-11 | 1989-07-18 | Tachi-S Co., Ltd. | Locking mechanism for armrest |
| US5984416A (en) * | 1998-04-30 | 1999-11-16 | Calvin College | Adjustable armrest |
| DE102004020911A1 (en) * | 2004-04-28 | 2005-11-24 | Johnson Controls Gmbh | Armrest, in particular for car seat, comprising bolt guided in curved slot with elastic narrow section |
| CN101259831A (en) * | 2007-03-05 | 2008-09-10 | 车辆座位制造工业公司 | Seat for public transportation vehicles |
| CN201998856U (en) * | 2011-02-24 | 2011-10-05 | 上海通用汽车有限公司 | Automobile front seat armrest and seat with armrest |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9132755B2 (en) * | 2011-03-17 | 2015-09-15 | Lear Corporation | Structure and method for pivotably supporting an armrest on a seat |
-
2013
- 2013-11-29 CN CN201310625944.3A patent/CN103612578B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4848840A (en) * | 1988-08-11 | 1989-07-18 | Tachi-S Co., Ltd. | Locking mechanism for armrest |
| US5984416A (en) * | 1998-04-30 | 1999-11-16 | Calvin College | Adjustable armrest |
| DE102004020911A1 (en) * | 2004-04-28 | 2005-11-24 | Johnson Controls Gmbh | Armrest, in particular for car seat, comprising bolt guided in curved slot with elastic narrow section |
| CN101259831A (en) * | 2007-03-05 | 2008-09-10 | 车辆座位制造工业公司 | Seat for public transportation vehicles |
| CN201998856U (en) * | 2011-02-24 | 2011-10-05 | 上海通用汽车有限公司 | Automobile front seat armrest and seat with armrest |
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| Publication number | Publication date |
|---|---|
| CN103612578A (en) | 2014-03-05 |
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