CN1706312A - Tilting equipment for chair - Google Patents
Tilting equipment for chair Download PDFInfo
- Publication number
- CN1706312A CN1706312A CNA2005100752269A CN200510075226A CN1706312A CN 1706312 A CN1706312 A CN 1706312A CN A2005100752269 A CNA2005100752269 A CN A2005100752269A CN 200510075226 A CN200510075226 A CN 200510075226A CN 1706312 A CN1706312 A CN 1706312A
- Authority
- CN
- China
- Prior art keywords
- hinge axis
- backing
- backboard
- plate
- chair
- 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.)
- Granted
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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
- A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/02—Rocking chairs
- A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
- A47C3/026—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with central column, e.g. rocking office chairs; Tilting chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/021—Detachable or loose seat cushions
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/42—Support for the head or the back for the back of detachable or loose type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/54—Supports for the arms
- A47C7/541—Supports for the arms of adjustable type
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses tilting equipment for chair; the equipment has a base plate supporting the user's thigh, a backboard supporting the user's thoracic vertebra, and a tilting base set under the base plate which connects to the support leg and allows the base plate and the backboard to incline, the said tilting equipment comprises: a back rest plate which is set between the base plate and the backboard to support the user's waist; the first hinge axis connecting to the seat frame foreside of the base plate; the second hinge axis connecting to the seat frame backside and the back rest lower end of the back rest plate; the third hinge axis connecting to the tilting base set foreside and the back rest lower end of the back rest plate; the fourth hinge axis connecting to the back rest middle part of the back rest plate and the back rest frame middle part; a ahead connecting piece connecting to the first and the third hinge axis. The tilting equipment of the invention increases the user's waist extension effect and support the waist stably.
Description
Technical field
The present invention is broadly directed to the reclining device of chair, and relate more specifically to a kind of seat board, chair reclining device that back up plate and backboard tilt with different angles.
Background technology
If a people is sitting on the chair for a long time with fixed pose, the blood and the nutrition that are fed to interverbebral disc will reduce.The result is that this people's vertebra will become stiff along with the time.Particularly, keep abnormal vertebra attitude may cause hunchback (spinal curvature causes the back protruding arc of the back of the body) for a long time.If hunchback is sustained, therefore the interverbebral disc of vertebra compressing spinal nerve causes pain.
Therefore, in the time of on being sitting in chair, be mobile vertebra suitably, the user should often lean on and stretch health backward.Like this, interverbebral disc and relevant loosening all muscles, and stably supply with blood and nutrition.For achieving the above object, various chair with tilt function has been proposed, wherein chair depends on motion to recede by the back of user.
At first, the inclination of chair only has the function that stretches user's health, but it is developed to improve the sensation of inclination.Recently, proposed the reclining device of synchronized model, wherein operated seat board and backboard synergistically by three or four bindiny mechanisms, wherein connector is connected to each other by a plurality of hinges.
Fig. 1 shows the view with chair of conventional synchronization type reclining device.As shown in Figure 1, the chair with synchronized model reclining device be provided with one its be provided with seat frame 4 and an inclined base 8 that is connected to seat frame 4 by first hinge axis 6 of a seat board 2.Inclined base 8 is connected with rack leg 10.Second hinge axis 12 is connected to inclined base 8 in first hinge axis, 6 rears.A backboard connector 16 that connects backboard 14 is connected with inclined base 8 by second hinge axis 12.At second hinge axis, 12 rears, the 3rd hinge axis 18 is arranged at the centre position of backboard connector 16.Because the connector that does not show, the 3rd hinge axis 18 and first and second hinge axis 6 and 12 are partly shared a common rotate path.
In the chair that is provided with conventional bevel equipment (it has above-mentioned structure), if a user sits on the chair and dependence backward, seat board 2 clockwise rotates around first hinge axis 6, and backboard 14 clockwise rotates around second hinge axis 12.At this moment, seat board 2 and backboard 14 collaborative moving.Chair tilts as illustrated in fig. 2 as a result.The 3rd hinge axis 18 is connected with 12 with first and second hinge axis 6 by connector, and therefore, chair tilts always, and is overlapping until two rotate paths being determined around first and second hinge axis 6 and 12 rotations by the 3rd hinge axis 18.That is to say that the 3rd hinge axis 18 is limited in the inclination of chair in the predetermined scope.
In the conventional bevel equipment of chair, seat board 2 and backboard 14 are provided with individually.Therefore, when chair receded, user's upper body and the buttocks angle between the lower part of the body increased, thereby loosened user's the back of the body, waist and thigh.Like this, conventional bevel equipment can make the user stretch his or her health.But the inclination angle of chair is constant.In addition, conventional bevel equipment only stretches the effect of user's health, the effect of the waist that do not stretch one's body.
In addition, because backboard 14 is different with the rotate path of seat board 2, a space (S) is arranged between user's waist and chair's back plate 14.Thereby, must be suspended in the air by the waist of firm support, thereby cause pain.
At length, because the hinge axis of backboard 14 and seat board 2 does not correspond to the rotation summit (hip joint summit) of the buttocks angle of user's health, therefore produced path difference owing to rotating relatively.This path difference abnormity has become the waist of chair and user's health and the space (S) between the waist bottom.The result is, because this space (S), the waist of user's health supports built on the sand, thereby influences the physiological situation of user's waist.
Summary of the invention
Therefore, the present invention considered these problems that taken place in the prior art and proposed, and an object of the present invention is to provide a kind of reclining device of chair, and it increases the stretching, extension effect of user's health waist and supports waist securely, thereby prevents the waist anxiety.
In order to realize above-mentioned purpose, the invention provides a kind of reclining device of chair, thereby it is provided with the seat board of a support user thigh, a backboard that supports user's thoracic vertebrae portion is arranged at the seat board below and is connected the inclined base that rack leg can both tilt seat board and backboard with one, and wherein this reclining device comprises: one is arranged between seat board and the backboard to support the plate of backing up of user's waist; Be connected to first hinge axis of the seat frame front portion of seat board; Be connected to second hinge axis of the back rest lower end of seat frame rear portion and backboard; Be connected to the 3rd hinge axis of the frame lower end of backing up of the inclined base front portion and the plate of backing up; Be connected to the 4th hinge axis of the frame middle part of backing up of the back rest middle part of backboard and the plate of backing up; With a preceding connector that is connected to the first and the 3rd hinge axis.
This reclining device can comprise further that the handrail of a pair of frame of backing up that is connected to the plate of backing up is to support user's arm.
This reclining device can further comprise the connection cushion of plate and backboard of backing up, thereby makes this cushion uphold according to the banking motion of chair or shorten.
This cushion can be connected to the front surface of the front surface of backboard and the plate of backing up.
Selectively, this reclining device can further comprise the common mat that is connected to backboard and backs up the plate front surface, and common mat interconnects by cushion.
Description of drawings
By detailed description below in conjunction with accompanying drawing, can more clearly understand above-mentioned and other purpose, feature and advantage of the present invention, wherein:
Fig. 1 shows the view with chair of conventional reclining device;
Fig. 2 is the view that shows the operation of chair among Fig. 1;
Fig. 3 shows a view that has according to the chair of the reclining device of a preferred embodiment of the invention;
Fig. 4 is the back three-dimensional view of chair among Fig. 3;
Fig. 5 a and 5b are stereogram, have shown the inclined base and the inclined base that is connected to the rack leg of chair of Fig. 3 medium dip equipment respectively;
Fig. 6 a and 6b are stereogram, have shown the plate and be connected to the frame of backing up of the plate of backing up of the inclined base of Fig. 5 a by the 3rd hinge axis of backing up of Fig. 3 medium dip equipment respectively;
Fig. 7 a and 7b are stereogram, have shown the backboard of Fig. 3 medium dip equipment respectively and have been connected to the back rest of backboard of the frame of backing up of Fig. 6 a by the 4th hinge axis;
Fig. 8 a and 8b are stereogram, have shown the seat board of Fig. 3 medium dip equipment and the chair that assembles respectively, and wherein the framework of seat board is connected to first and second hinge axis; With
Fig. 9 shows to handle the view that has according to the chair of reclining device of the present invention.
The specific embodiment
Now by with reference to the accompanying drawings a preferred embodiment of the present invention being elaborated.
Shown in Fig. 3 and 4, the chair with reclining device of the present invention comprises a seat board 20 and a backboard 30 that supports thoracic vertebrae that supports user's thigh.Inclined base 40 is arranged at the below of seat board 20 and is connected with rack leg 70.The plate 50 of backing up is arranged between seat board 20 and the backboard 30 to support user's lumbar vertebrae.Seat board, backboard and the plate of backing up tilt with different angles.
In the reclining device of this chair, first hinge axis 62 is connected to the front portion of the seat frame 22 of seat board 20.Second hinge axis 64 is connected to the lower end of the back rest 32 of the rear portion of seat frame 22 of seat board 20 and backboard 30.The 3rd hinge axis 66 is connected to the lower end of the frame 52 of backing up of the front portion of inclined base 40 and the plate 50 of backing up.The 4th hinge axis 68 is connected to the middle part of back rest 32 of backboard and the middle part of the frame 52 of backing up of the plate of backing up.First hinge axis 62 and the 3rd hinge axis 66 are by being connected with inclined base 40 all-in-one-piece connecting pieces 42.
In addition, pair of armrests 80 is connected to the frame 52 of backing up of the plate 50 of backing up to support user's arm.Backboard 30 is upheld by a banking motion according to chair with the plate 50 of backing up or the cushion 90 that shortens is connected.
The handrail 80 and the plate 50 of backing up that are connected to the frame 52 of backing up of the plate 50 of backing up recede together.Therefore, no matter the angle of inclination of chair is much, handrail can firmly support user's arm.
Cushion 90 is integrally connected to the front surface of the backboard 30 and the plate 50 of backing up.Selectively, can common mat additionally be set at the front surface of the backboard 30 and the plate 50 of backing up, thereby can common mat be interconnected by cushion 90.
Fig. 5 a and 5b are stereogram, have shown inclined base 40 and the inclined base 40 that is connected to rack leg 70 respectively.Shown in Fig. 5 a and 5b, preceding connector 42 is outstanding integratedly from inclined base 40.A torsionspring or torque rod are arranged in inclined base 40, therefore provide moment of torsion to chair.The structure of such inclined base 40 is identical with known conventional art.
Fig. 6 a and 6b are stereogram, have shown respectively to back up plate 50 and be connected to the frame 52 of backing up of the plate 50 of backing up of inclined base 40 by the 3rd hinge axis 66.Shown in Fig. 6 a and 6b, the 3rd hinge axis 66 is inserted in the inclined base 40.Handrail 80 is integrally connected to the frame of backing up by a upper arm 82.The frame 52 of backing up has the rear surface of the plate 50 of backing up and extends downward the arm of the 3rd hinge axis 66.The frame 52 of backing up has the arm 82 that extends outwardly into handrail 80 from the position, intermediate portion.When chair tilted, the frame 52 of backing up turned over first predetermined angle (being approximately 18 °) around the 3rd hinge axis 66.
Fig. 7 a and 7b are stereogram, have shown backboard 30 respectively and have been connected to the back rest 32 of backboard 30 of the frame 52 of backing up of the plate 50 of backing up by the 4th hinge axis 68.Support back rest 32 extension downwards of backboard 30 and be connected to the frame 52 of backing up by the 4th hinge axis 68.In addition, the lower end of back rest 32 is connected to second hinge axis, 64 (see figure 3)s in the seat frame 22 that inserts seat board 20.When chair tilted, back rest 32 turned over second predetermined angle (being approximately 29 °) around second hinge axis 64.
Fig. 8 a and 8b are respectively the views that shows seat board 20 and the chair that assembles, and wherein the seat frame of seat board 20 is connected with 64 by first and second hinge axis 62.With reference to Fig. 8 a and 8b, seat board 20 can comprise a sponge and elastic fabric that is connected to seat frame 22.When chair tilted, the seat frame 22 of seat board 20 turned over the 3rd predetermined angle (being approximately 12 °) around first hinge axis 62.
The backboard 30 and the plate 50 of backing up can comprise sponge and the several piece elastic fabric that is connected respectively to the back rest 32 and the frame 52 of backing up.In this case, can omit cushion 90.But the preferred embodiment of the present invention has such structure: backboard 30 and the plate 50 of backing up are by upholding or the cushion 90 that shortens is connected according to the banking motion of chair.
In other words, cushion 90 according to the backboard 30 that tilts with different angles and back up between the plate 50 variable range and uphold or shorten.
Below explanation is had the operation of chair said structure, that be provided with reclining device of the present invention.As shown in Figure 9, when user (M) sits on the seat board 20 of chair and leans on backward, seat board 20, back up plate 50 and the different angle of backboard 30 rotations.At this moment, the waist of user's health and the bottom of the waist plate 50 of being backed up supports firmly, waist and backing up between the plate 50 without any the space.Therefore, when the user leaned on backward, the present invention allowed user's waist to move and loosens, thereby had increased the stretching, extension effect of user's health.
Here, the maximum inclination angle around the seat board 20 of first hinge axis 62 rotation is the 3rd predetermined angle (being approximately 12 °).Maximum inclination angle around the plate 50 of backing up of the 3rd hinge axis 66 rotation is first predetermined angle (being approximately 18 °).Maximum inclination angle around the backboard 30 of second hinge axis 64 rotation is second predetermined angle (being approximately 29 °).
Can change the maximum inclination angle by the position that changes hinge axis.Simultaneously, the cushion 90 of the connection backboard 30 and the plate 50 of backing up is upheld according to the banking motion of the backboard 30 and the plate 50 of backing up or is shortened, thereby firmly supports user's back and waist.
As mentioned above, the invention provides a reclining device that is used for chair, seat board, back up plate and the backboard different angle that tilts wherein, make the waist of user's health and the bottom of waist firmly support by the plate of backing up, at waist with back up not stay between the plate any space, thereby increased the stretching, extension effect of user's health, and kept the natural posture of waist.
Though disclose the preferred embodiments of the present invention for illustrative purposes, the one of ordinary skilled in the art should be appreciated that and can carry out various modifications, interpolation and replacement to the preferred embodiment, and can not depart from category of the present invention disclosed in the accompanying claims and spirit.
Claims (5)
1. the reclining device of a chair, it is provided with a seat board that supports user's thigh, backboard that supports user's thoracic vertebrae portion and one and is arranged at described seat board below and is connected to a rack leg and the inclined base that allows seat board and backboard to tilt, and wherein said reclining device comprises:
The plate of backing up is arranged between seat board and the backboard and supports user's waist;
One first hinge axis is connected to the seat frame front portion of described seat board;
One second hinge axis is connected to the back rest lower end of described seat frame rear portion and described backboard;
One the 3rd hinge axis is connected to the frame lower end of backing up of the anterior and plate of backing up of inclined base;
One the 4th hinge axis is connected to the middle part of the frame of backing up of the middle part of back rest of described backboard and the described plate of backing up; With
A preceding connector is connected to described first hinge axis and the 3rd hinge axis.
2. reclining device as claimed in claim 1 further comprises:
A pair of being connected to describedly backed up the backing up frame of plate and supported the handrail of user's arm.
3. reclining device as claimed in claim 1 further comprises:
A cushion that connects described back up plate and described backboard, thus make this cushion uphold according to the banking motion of chair or shorten.
4. reclining device as claimed in claim 3, wherein, described cushion is connected to the front surface of described backboard and the front surface of the described plate of backing up.
5. reclining device as claimed in claim 3 further comprises:
Be connected to described backboard and the common mat of the front surface of the plate of backing up, and this common mat interconnects by described cushion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040041283A KR100621073B1 (en) | 2004-06-07 | 2004-06-07 | tilting apparatus for chair |
| KR1020040041283 | 2004-06-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1706312A true CN1706312A (en) | 2005-12-14 |
| CN100506114C CN100506114C (en) | 2009-07-01 |
Family
ID=35580568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100752269A Expired - Fee Related CN100506114C (en) | 2004-06-07 | 2005-06-07 | Tilting equipment for chair |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100621073B1 (en) |
| CN (1) | CN100506114C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100592885C (en) * | 2006-06-29 | 2010-03-03 | 冲电气工业株式会社 | Chair |
| CN106108452A (en) * | 2016-08-24 | 2016-11-16 | 徐进华 | Chair |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100713174B1 (en) * | 2006-06-20 | 2007-05-02 | 주식회사 퍼시스 | Apparatus for tilting of chair |
| KR100743933B1 (en) * | 2006-06-22 | 2007-07-30 | 주식회사 퍼시스 | Tilting apparatus for seat board for a chair |
| KR101028731B1 (en) * | 2010-11-30 | 2011-04-14 | 주식회사 대하정공 | Assembly for multi functional chair |
| USD697726S1 (en) | 2012-09-20 | 2014-01-21 | Steelcase Inc. | Chair |
| US11304528B2 (en) | 2012-09-20 | 2022-04-19 | Steelcase Inc. | Chair assembly with upholstery covering |
| KR101479983B1 (en) | 2013-10-11 | 2015-01-08 | (주) 파트라 | A chair with improved waist bearing power |
| KR101975765B1 (en) | 2017-03-31 | 2019-05-07 | 김연진 | Joint armrest structure for tilting chair |
| KR102245900B1 (en) * | 2020-10-30 | 2021-04-30 | 주식회사 토퍼스 | supporting structure of seat and back for a chair |
| KR102277397B1 (en) * | 2020-11-25 | 2021-07-14 | 주식회사 토퍼스 | supporting structure of seat and back for a chair |
| KR102527958B1 (en) | 2021-07-12 | 2023-05-04 | (주)광일체어 | A chair with a backrest to which a self-tilting intermittent structure is applied |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3553302B2 (en) | 1996-12-24 | 2004-08-11 | 株式会社イトーキクレビオ | Support structure for backrest in chair |
| KR100434997B1 (en) * | 2002-01-02 | 2004-06-09 | 주식회사 일룸 | the back of a chair |
| KR100434996B1 (en) * | 2002-01-02 | 2004-06-09 | 주식회사 일룸 | apparatus for supporting a lumbar vertebrae for a chair |
| KR100434998B1 (en) | 2002-03-18 | 2004-06-09 | 주식회사 일룸 | Apparatus for supporting a lumbar vertebrae for a chair |
-
2004
- 2004-06-07 KR KR1020040041283A patent/KR100621073B1/en active IP Right Grant
-
2005
- 2005-06-07 CN CNB2005100752269A patent/CN100506114C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100592885C (en) * | 2006-06-29 | 2010-03-03 | 冲电气工业株式会社 | Chair |
| CN106108452A (en) * | 2016-08-24 | 2016-11-16 | 徐进华 | Chair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100506114C (en) | 2009-07-01 |
| KR100621073B1 (en) | 2006-09-08 |
| KR20050116218A (en) | 2005-12-12 |
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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 | ||
| 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: 20090701 Termination date: 20170607 |